From 0d088cb765c24072bba2f401619f76e7379cef44 Mon Sep 17 00:00:00 2001 From: Ashwin Naren Date: Wed, 12 Feb 2025 22:07:20 -0800 Subject: [PATCH 01/20] importlib to 3.13.2 Signed-off-by: Ashwin Naren --- Lib/importlib/__init__.py | 4 +- Lib/importlib/_bootstrap.py | 17 +- Lib/importlib/_bootstrap_external.py | 98 +++- Lib/importlib/abc.py | 6 +- Lib/importlib/machinery.py | 1 + Lib/importlib/metadata/__init__.py | 336 +++++++++---- Lib/importlib/metadata/_adapters.py | 2 +- Lib/importlib/metadata/_meta.py | 52 +- Lib/importlib/metadata/diagnose.py | 21 + Lib/importlib/resources/__init__.py | 23 +- Lib/importlib/resources/_common.py | 15 +- Lib/importlib/resources/_functional.py | 81 +++ Lib/importlib/resources/readers.py | 67 ++- Lib/importlib/resources/simple.py | 4 +- Lib/importlib/util.py | 90 ++-- .../test_importlib/builtin/test_finder.py | 1 - .../extension/_test_nonmodule_cases.py | 44 ++ .../extension/test_case_sensitivity.py | 3 +- .../test_importlib/extension/test_finder.py | 29 +- .../test_importlib/extension/test_loader.py | 106 ++-- .../extension/test_path_hook.py | 2 + Lib/test/test_importlib/frozen/test_finder.py | 9 - Lib/test/test_importlib/frozen/test_loader.py | 2 - .../test_importlib/import_/test___loader__.py | 3 - .../import_/test___package__.py | 4 - .../test_importlib/import_/test_helpers.py | 8 - .../test_importlib/import_/test_meta_path.py | 2 - .../test_importlib/import_/test_packages.py | 1 - Lib/test/test_importlib/import_/test_path.py | 2 - Lib/test/test_importlib/metadata/__init__.py | 0 Lib/test/test_importlib/metadata/_context.py | 13 + Lib/test/test_importlib/metadata/_path.py | 115 +++++ .../test_importlib/metadata/data/__init__.py | 0 .../data/example-21.12-py3-none-any.whl | Bin 0 -> 1455 bytes .../metadata/data/example-21.12-py3.6.egg | Bin 0 -> 1497 bytes .../data/example2-1.0.0-py3-none-any.whl | Bin 0 -> 1167 bytes .../data/sources/example/example/__init__.py | 2 + .../metadata/data/sources/example/setup.py | 11 + .../sources/example2/example2/__init__.py | 2 + .../data/sources/example2/pyproject.toml | 10 + Lib/test/test_importlib/metadata/fixtures.py | 414 ++++++++++++++++ Lib/test/test_importlib/metadata/stubs.py | 10 + Lib/test/test_importlib/metadata/test_api.py | 323 ++++++++++++ Lib/test/test_importlib/metadata/test_main.py | 468 ++++++++++++++++++ Lib/test/test_importlib/metadata/test_zip.py | 62 +++ Lib/test/test_importlib/resources/_path.py | 50 +- .../test_importlib/resources/test_contents.py | 17 +- .../test_importlib/resources/test_custom.py | 6 +- .../test_importlib/resources/test_files.py | 136 +++-- .../resources/test_functional.py | 250 ++++++++++ .../test_importlib/resources/test_open.py | 19 +- .../test_importlib/resources/test_path.py | 17 +- .../test_importlib/resources/test_read.py | 40 +- .../test_importlib/resources/test_reader.py | 63 ++- .../test_importlib/resources/test_resource.py | 162 +++--- Lib/test/test_importlib/resources/util.py | 115 +++-- Lib/test/test_importlib/resources/zip.py | 24 + .../source/test_case_sensitivity.py | 1 - .../test_importlib/source/test_file_loader.py | 70 ++- Lib/test/test_importlib/source/test_finder.py | 2 - .../source/test_source_encoding.py | 6 - Lib/test/test_importlib/test_abc.py | 25 + Lib/test/test_importlib/test_api.py | 17 +- Lib/test/test_importlib/test_lazy.py | 88 +++- Lib/test/test_importlib/test_locks.py | 16 +- .../test_importlib/test_namespace_pkgs.py | 3 +- Lib/test/test_importlib/test_spec.py | 16 +- .../test_importlib/test_threaded_import.py | 14 +- Lib/test/test_importlib/test_util.py | 102 ++-- Lib/test/test_importlib/test_windows.py | 10 +- Lib/test/test_importlib/util.py | 56 ++- 71 files changed, 3091 insertions(+), 697 deletions(-) create mode 100644 Lib/importlib/metadata/diagnose.py create mode 100644 Lib/importlib/resources/_functional.py create mode 100644 Lib/test/test_importlib/extension/_test_nonmodule_cases.py create mode 100644 Lib/test/test_importlib/metadata/__init__.py create mode 100644 Lib/test/test_importlib/metadata/_context.py create mode 100644 Lib/test/test_importlib/metadata/_path.py create mode 100644 Lib/test/test_importlib/metadata/data/__init__.py create mode 100644 Lib/test/test_importlib/metadata/data/example-21.12-py3-none-any.whl create mode 100644 Lib/test/test_importlib/metadata/data/example-21.12-py3.6.egg create mode 100644 Lib/test/test_importlib/metadata/data/example2-1.0.0-py3-none-any.whl create mode 100644 Lib/test/test_importlib/metadata/data/sources/example/example/__init__.py create mode 100644 Lib/test/test_importlib/metadata/data/sources/example/setup.py create mode 100644 Lib/test/test_importlib/metadata/data/sources/example2/example2/__init__.py create mode 100644 Lib/test/test_importlib/metadata/data/sources/example2/pyproject.toml create mode 100644 Lib/test/test_importlib/metadata/fixtures.py create mode 100644 Lib/test/test_importlib/metadata/stubs.py create mode 100644 Lib/test/test_importlib/metadata/test_api.py create mode 100644 Lib/test/test_importlib/metadata/test_main.py create mode 100644 Lib/test/test_importlib/metadata/test_zip.py create mode 100644 Lib/test/test_importlib/resources/test_functional.py create mode 100644 Lib/test/test_importlib/resources/zip.py diff --git a/Lib/importlib/__init__.py b/Lib/importlib/__init__.py index 707c081cb2c..a7d57561ead 100644 --- a/Lib/importlib/__init__.py +++ b/Lib/importlib/__init__.py @@ -54,8 +54,6 @@ # Fully bootstrapped at this point, import whatever you like, circular # dependencies and startup overhead minimisation permitting :) -import warnings - # Public API ######################################################### @@ -105,7 +103,7 @@ def reload(module): try: name = module.__name__ except AttributeError: - raise TypeError("reload() argument must be a module") + raise TypeError("reload() argument must be a module") from None if sys.modules.get(name) is not module: raise ImportError(f"module {name} not in sys.modules", name=name) diff --git a/Lib/importlib/_bootstrap.py b/Lib/importlib/_bootstrap.py index 093a0b82456..de5651f0a7f 100644 --- a/Lib/importlib/_bootstrap.py +++ b/Lib/importlib/_bootstrap.py @@ -53,7 +53,7 @@ def _new_module(name): # For a list that can have a weakref to it. class _List(list): - pass + __slots__ = ("__weakref__",) # Copied from weakref.py with some simplifications and modifications unique to @@ -490,8 +490,7 @@ def _call_with_frames_removed(f, *args, **kwds): def _verbose_message(message, *args, verbosity=1): """Print the message to stderr if -v/PYTHONVERBOSE is turned on.""" - # XXX RUSTPYTHON: hasattr check because we might be bootstrapping and we wouldn't have stderr yet - if sys.flags.verbose >= verbosity and hasattr(sys, "stderr"): + if sys.flags.verbose >= verbosity: if not message.startswith(('#', 'import ')): message = '# ' + message print(message.format(*args), file=sys.stderr) @@ -825,10 +824,16 @@ def _module_repr_from_spec(spec): """Return the repr to use for the module.""" name = '?' if spec.name is None else spec.name if spec.origin is None: - if spec.loader is None: + loader = spec.loader + if loader is None: return f'' + elif ( + _bootstrap_external is not None + and isinstance(loader, _bootstrap_external.NamespaceLoader) + ): + return f'' else: - return f'' + return f'' else: if spec.has_location: return f'' @@ -1129,7 +1134,7 @@ def find_spec(cls, fullname, path=None, target=None): # part of the importer), instead of here (the finder part). # The loader is the usual place to get the data that will # be loaded into the module. (For example, see _LoaderBasics - # in _bootstra_external.py.) Most importantly, this importer + # in _bootstrap_external.py.) Most importantly, this importer # is simpler if we wait to get the data. # However, getting as much data in the finder as possible # to later load the module is okay, and sometimes important. diff --git a/Lib/importlib/_bootstrap_external.py b/Lib/importlib/_bootstrap_external.py index 73ac4405cb5..eb8fea1aad0 100644 --- a/Lib/importlib/_bootstrap_external.py +++ b/Lib/importlib/_bootstrap_external.py @@ -52,7 +52,7 @@ # Bootstrap-related code ###################################################### _CASE_INSENSITIVE_PLATFORMS_STR_KEY = 'win', -_CASE_INSENSITIVE_PLATFORMS_BYTES_KEY = 'cygwin', 'darwin' +_CASE_INSENSITIVE_PLATFORMS_BYTES_KEY = 'cygwin', 'darwin', 'ios', 'tvos', 'watchos' _CASE_INSENSITIVE_PLATFORMS = (_CASE_INSENSITIVE_PLATFORMS_BYTES_KEY + _CASE_INSENSITIVE_PLATFORMS_STR_KEY) @@ -81,6 +81,11 @@ def _pack_uint32(x): return (int(x) & 0xFFFFFFFF).to_bytes(4, 'little') +def _unpack_uint64(data): + """Convert 8 bytes in little-endian to an integer.""" + assert len(data) == 8 + return int.from_bytes(data, 'little') + def _unpack_uint32(data): """Convert 4 bytes in little-endian to an integer.""" assert len(data) == 4 @@ -204,7 +209,11 @@ def _write_atomic(path, data, mode=0o666): # We first write data to a temporary file, and then use os.replace() to # perform an atomic rename. with _io.FileIO(fd, 'wb') as file: - file.write(data) + bytes_written = file.write(data) + if bytes_written != len(data): + # Raise an OSError so the 'except' below cleans up the partially + # written file. + raise OSError("os.write() didn't write the full pyc file") _os.replace(path_tmp, path) except OSError: try: @@ -413,6 +422,7 @@ def _write_atomic(path, data, mode=0o666): # Python 3.11a7 3492 (make POP_JUMP_IF_NONE/NOT_NONE/TRUE/FALSE relative) # Python 3.11a7 3493 (Make JUMP_IF_TRUE_OR_POP/JUMP_IF_FALSE_OR_POP relative) # Python 3.11a7 3494 (New location info table) +# Python 3.11b4 3495 (Set line number of module's RESUME instr to 0 per PEP 626) # Python 3.12a1 3500 (Remove PRECALL opcode) # Python 3.12a1 3501 (YIELD_VALUE oparg == stack_depth) # Python 3.12a1 3502 (LOAD_FAST_CHECK, no NULL-check in LOAD_FAST) @@ -445,8 +455,30 @@ def _write_atomic(path, data, mode=0o666): # Python 3.12b1 3529 (Inline list/dict/set comprehensions) # Python 3.12b1 3530 (Shrink the LOAD_SUPER_ATTR caches) # Python 3.12b1 3531 (Add PEP 695 changes) - -# Python 3.13 will start with 3550 +# Python 3.13a1 3550 (Plugin optimizer support) +# Python 3.13a1 3551 (Compact superinstructions) +# Python 3.13a1 3552 (Remove LOAD_FAST__LOAD_CONST and LOAD_CONST__LOAD_FAST) +# Python 3.13a1 3553 (Add SET_FUNCTION_ATTRIBUTE) +# Python 3.13a1 3554 (more efficient bytecodes for f-strings) +# Python 3.13a1 3555 (generate specialized opcodes metadata from bytecodes.c) +# Python 3.13a1 3556 (Convert LOAD_CLOSURE to a pseudo-op) +# Python 3.13a1 3557 (Make the conversion to boolean in jumps explicit) +# Python 3.13a1 3558 (Reorder the stack items for CALL) +# Python 3.13a1 3559 (Generate opcode IDs from bytecodes.c) +# Python 3.13a1 3560 (Add RESUME_CHECK instruction) +# Python 3.13a1 3561 (Add cache entry to branch instructions) +# Python 3.13a1 3562 (Assign opcode IDs for internal ops in separate range) +# Python 3.13a1 3563 (Add CALL_KW and remove KW_NAMES) +# Python 3.13a1 3564 (Removed oparg from YIELD_VALUE, changed oparg values of RESUME) +# Python 3.13a1 3565 (Oparg of YIELD_VALUE indicates whether it is in a yield-from) +# Python 3.13a1 3566 (Emit JUMP_NO_INTERRUPT instead of JUMP for non-loop no-lineno cases) +# Python 3.13a1 3567 (Reimplement line number propagation by the compiler) +# Python 3.13a1 3568 (Change semantics of END_FOR) +# Python 3.13a5 3569 (Specialize CONTAINS_OP) +# Python 3.13a6 3570 (Add __firstlineno__ class attribute) +# Python 3.13b1 3571 (Fix miscompilation of private names in generic classes) + +# Python 3.14 will start with 3600 # Please don't copy-paste the same pre-release tag for new entries above!!! # You should always use the *upcoming* tag. For example, if 3.12a6 came out @@ -461,7 +493,7 @@ def _write_atomic(path, data, mode=0o666): # Whenever MAGIC_NUMBER is changed, the ranges in the magic_values array # in PC/launcher.c must also be updated. -MAGIC_NUMBER = (3531).to_bytes(2, 'little') + b'\r\n' +MAGIC_NUMBER = (3571).to_bytes(2, 'little') + b'\r\n' _RAW_MAGIC_NUMBER = int.from_bytes(MAGIC_NUMBER, 'little') # For import.c @@ -1437,7 +1469,7 @@ class PathFinder: @staticmethod def invalidate_caches(): """Call the invalidate_caches() method on all path entry finders - stored in sys.path_importer_caches (where implemented).""" + stored in sys.path_importer_cache (where implemented).""" for name, finder in list(sys.path_importer_cache.items()): # Drop entry if finder name is a relative path. The current # working directory may have changed. @@ -1449,6 +1481,9 @@ def invalidate_caches(): # https://bugs.python.org/issue45703 _NamespacePath._epoch += 1 + from importlib.metadata import MetadataPathFinder + MetadataPathFinder.invalidate_caches() + @staticmethod def _path_hooks(path): """Search sys.path_hooks for a finder for 'path'.""" @@ -1690,6 +1725,46 @@ def __repr__(self): return f'FileFinder({self.path!r})' +class AppleFrameworkLoader(ExtensionFileLoader): + """A loader for modules that have been packaged as frameworks for + compatibility with Apple's iOS App Store policies. + """ + def create_module(self, spec): + # If the ModuleSpec has been created by the FileFinder, it will have + # been created with an origin pointing to the .fwork file. We need to + # redirect this to the location in the Frameworks folder, using the + # content of the .fwork file. + if spec.origin.endswith(".fwork"): + with _io.FileIO(spec.origin, 'r') as file: + framework_binary = file.read().decode().strip() + bundle_path = _path_split(sys.executable)[0] + spec.origin = _path_join(bundle_path, framework_binary) + + # If the loader is created based on the spec for a loaded module, the + # path will be pointing at the Framework location. If this occurs, + # get the original .fwork location to use as the module's __file__. + if self.path.endswith(".fwork"): + path = self.path + else: + with _io.FileIO(self.path + ".origin", 'r') as file: + origin = file.read().decode().strip() + bundle_path = _path_split(sys.executable)[0] + path = _path_join(bundle_path, origin) + + module = _bootstrap._call_with_frames_removed(_imp.create_dynamic, spec) + + _bootstrap._verbose_message( + "Apple framework extension module {!r} loaded from {!r} (path {!r})", + spec.name, + spec.origin, + path, + ) + + # Ensure that the __file__ points at the .fwork location + module.__file__ = path + + return module + # Import setup ############################################################### def _fix_up_module(ns, name, pathname, cpathname=None): @@ -1722,10 +1797,17 @@ def _get_supported_file_loaders(): Each item is a tuple (loader, suffixes). """ - extensions = ExtensionFileLoader, _imp.extension_suffixes() + extension_loaders = [] + if hasattr(_imp, 'create_dynamic'): + if sys.platform in {"ios", "tvos", "watchos"}: + extension_loaders = [(AppleFrameworkLoader, [ + suffix.replace(".so", ".fwork") + for suffix in _imp.extension_suffixes() + ])] + extension_loaders.append((ExtensionFileLoader, _imp.extension_suffixes())) source = SourceFileLoader, SOURCE_SUFFIXES bytecode = SourcelessFileLoader, BYTECODE_SUFFIXES - return [extensions, source, bytecode] + return extension_loaders + [source, bytecode] def _set_bootstrap_module(_bootstrap_module): diff --git a/Lib/importlib/abc.py b/Lib/importlib/abc.py index b56fa94eb9c..37fef357fe2 100644 --- a/Lib/importlib/abc.py +++ b/Lib/importlib/abc.py @@ -180,7 +180,11 @@ def get_code(self, fullname): else: return self.source_to_code(source, path) -_register(ExecutionLoader, machinery.ExtensionFileLoader) +_register( + ExecutionLoader, + machinery.ExtensionFileLoader, + machinery.AppleFrameworkLoader, +) class FileLoader(_bootstrap_external.FileLoader, ResourceLoader, ExecutionLoader): diff --git a/Lib/importlib/machinery.py b/Lib/importlib/machinery.py index d9a19a13f7b..fbd30b159fb 100644 --- a/Lib/importlib/machinery.py +++ b/Lib/importlib/machinery.py @@ -12,6 +12,7 @@ from ._bootstrap_external import SourceFileLoader from ._bootstrap_external import SourcelessFileLoader from ._bootstrap_external import ExtensionFileLoader +from ._bootstrap_external import AppleFrameworkLoader from ._bootstrap_external import NamespaceLoader diff --git a/Lib/importlib/metadata/__init__.py b/Lib/importlib/metadata/__init__.py index 56ee4038328..8ce62dd864f 100644 --- a/Lib/importlib/metadata/__init__.py +++ b/Lib/importlib/metadata/__init__.py @@ -1,9 +1,13 @@ +from __future__ import annotations + import os import re import abc -import csv import sys +import json import email +import types +import inspect import pathlib import zipfile import operator @@ -12,11 +16,9 @@ import functools import itertools import posixpath -import contextlib import collections -import inspect -from . import _adapters, _meta +from . import _meta from ._collections import FreezableDefaultDict, Pair from ._functools import method_cache, pass_none from ._itertools import always_iterable, unique_everseen @@ -26,8 +28,7 @@ from importlib import import_module from importlib.abc import MetaPathFinder from itertools import starmap -from typing import List, Mapping, Optional, cast - +from typing import Any, Iterable, List, Mapping, Match, Optional, Set, cast __all__ = [ 'Distribution', @@ -48,20 +49,14 @@ class PackageNotFoundError(ModuleNotFoundError): """The package was not found.""" - def __str__(self): + def __str__(self) -> str: return f"No package metadata was found for {self.name}" @property - def name(self): + def name(self) -> str: # type: ignore[override] (name,) = self.args return name - # TODO: RUSTPYTHON; the entire setter is added to avoid errors - @name.setter - def name(self, value): - import sys - sys.stderr.write("set value to PackageNotFoundError ignored\n") - class Sectioned: """ @@ -124,38 +119,11 @@ def read(text, filter_=None): yield Pair(name, value) @staticmethod - def valid(line): + def valid(line: str): return line and not line.startswith('#') -class DeprecatedTuple: - """ - Provide subscript item access for backward compatibility. - - >>> recwarn = getfixture('recwarn') - >>> ep = EntryPoint(name='name', value='value', group='group') - >>> ep[:] - ('name', 'value', 'group') - >>> ep[0] - 'name' - >>> len(recwarn) - 1 - """ - - # Do not remove prior to 2023-05-01 or Python 3.13 - _warn = functools.partial( - warnings.warn, - "EntryPoint tuple interface is deprecated. Access members by name.", - DeprecationWarning, - stacklevel=2, - ) - - def __getitem__(self, item): - self._warn() - return self._key()[item] - - -class EntryPoint(DeprecatedTuple): +class EntryPoint: """An entry point as defined by Python packaging conventions. See `the packaging docs on entry points @@ -197,34 +165,37 @@ class EntryPoint(DeprecatedTuple): value: str group: str - dist: Optional['Distribution'] = None + dist: Optional[Distribution] = None - def __init__(self, name, value, group): + def __init__(self, name: str, value: str, group: str) -> None: vars(self).update(name=name, value=value, group=group) - def load(self): + def load(self) -> Any: """Load the entry point from its definition. If only a module is indicated by the value, return that module. Otherwise, return the named object. """ - match = self.pattern.match(self.value) + match = cast(Match, self.pattern.match(self.value)) module = import_module(match.group('module')) attrs = filter(None, (match.group('attr') or '').split('.')) return functools.reduce(getattr, attrs, module) @property - def module(self): + def module(self) -> str: match = self.pattern.match(self.value) + assert match is not None return match.group('module') @property - def attr(self): + def attr(self) -> str: match = self.pattern.match(self.value) + assert match is not None return match.group('attr') @property - def extras(self): + def extras(self) -> List[str]: match = self.pattern.match(self.value) + assert match is not None return re.findall(r'\w+', match.group('extras') or '') def _for(self, dist): @@ -272,7 +243,7 @@ def __repr__(self): f'group={self.group!r})' ) - def __hash__(self): + def __hash__(self) -> int: return hash(self._key()) @@ -283,7 +254,7 @@ class EntryPoints(tuple): __slots__ = () - def __getitem__(self, name): # -> EntryPoint: + def __getitem__(self, name: str) -> EntryPoint: # type: ignore[override] """ Get the EntryPoint in self matching name. """ @@ -292,7 +263,14 @@ def __getitem__(self, name): # -> EntryPoint: except StopIteration: raise KeyError(name) - def select(self, **params): + def __repr__(self): + """ + Repr with classname and tuple constructor to + signal that we deviate from regular tuple behavior. + """ + return '%s(%r)' % (self.__class__.__name__, tuple(self)) + + def select(self, **params) -> EntryPoints: """ Select entry points from self that match the given parameters (typically group and/or name). @@ -300,14 +278,14 @@ def select(self, **params): return EntryPoints(ep for ep in self if ep.matches(**params)) @property - def names(self): + def names(self) -> Set[str]: """ Return the set of all names of all entry points. """ return {ep.name for ep in self} @property - def groups(self): + def groups(self) -> Set[str]: """ Return the set of all groups of all entry points. """ @@ -328,28 +306,31 @@ def _from_text(text): class PackagePath(pathlib.PurePosixPath): """A reference to a path in a package""" - def read_text(self, encoding='utf-8'): - with self.locate().open(encoding=encoding) as stream: - return stream.read() + hash: Optional[FileHash] + size: int + dist: Distribution + + def read_text(self, encoding: str = 'utf-8') -> str: # type: ignore[override] + return self.locate().read_text(encoding=encoding) - def read_binary(self): - with self.locate().open('rb') as stream: - return stream.read() + def read_binary(self) -> bytes: + return self.locate().read_bytes() - def locate(self): + def locate(self) -> SimplePath: """Return a path-like object for this path""" return self.dist.locate_file(self) class FileHash: - def __init__(self, spec): + def __init__(self, spec: str) -> None: self.mode, _, self.value = spec.partition('=') - def __repr__(self): + def __repr__(self) -> str: return f'' class DeprecatedNonAbstract: + # Required until Python 3.14 def __new__(cls, *args, **kwargs): all_names = { name for subclass in inspect.getmro(cls) for name in vars(subclass) @@ -369,25 +350,48 @@ def __new__(cls, *args, **kwargs): class Distribution(DeprecatedNonAbstract): - """A Python distribution package.""" + """ + An abstract Python distribution package. + + Custom providers may derive from this class and define + the abstract methods to provide a concrete implementation + for their environment. Some providers may opt to override + the default implementation of some properties to bypass + the file-reading mechanism. + """ @abc.abstractmethod def read_text(self, filename) -> Optional[str]: """Attempt to load metadata file given by the name. + Python distribution metadata is organized by blobs of text + typically represented as "files" in the metadata directory + (e.g. package-1.0.dist-info). These files include things + like: + + - METADATA: The distribution metadata including fields + like Name and Version and Description. + - entry_points.txt: A series of entry points as defined in + `the entry points spec `_. + - RECORD: A record of files according to + `this recording spec `_. + + A package may provide any set of files, including those + not listed here or none at all. + :param filename: The name of the file in the distribution info. :return: The text if found, otherwise None. """ @abc.abstractmethod - def locate_file(self, path): + def locate_file(self, path: str | os.PathLike[str]) -> SimplePath: """ - Given a path to a file in this distribution, return a path + Given a path to a file in this distribution, return a SimplePath to it. """ @classmethod - def from_name(cls, name: str): + def from_name(cls, name: str) -> Distribution: """Return the Distribution for the given package name. :param name: The name of the distribution package to search for. @@ -400,21 +404,23 @@ def from_name(cls, name: str): if not name: raise ValueError("A distribution name is required.") try: - return next(cls.discover(name=name)) + return next(iter(cls.discover(name=name))) except StopIteration: raise PackageNotFoundError(name) @classmethod - def discover(cls, **kwargs): + def discover( + cls, *, context: Optional[DistributionFinder.Context] = None, **kwargs + ) -> Iterable[Distribution]: """Return an iterable of Distribution objects for all packages. Pass a ``context`` or pass keyword arguments for constructing a context. :context: A ``DistributionFinder.Context`` object. - :return: Iterable of Distribution objects for all packages. + :return: Iterable of Distribution objects for packages matching + the context. """ - context = kwargs.pop('context', None) if context and kwargs: raise ValueError("cannot accept context and kwargs") context = context or DistributionFinder.Context(**kwargs) @@ -423,8 +429,8 @@ def discover(cls, **kwargs): ) @staticmethod - def at(path): - """Return a Distribution for the indicated metadata path + def at(path: str | os.PathLike[str]) -> Distribution: + """Return a Distribution for the indicated metadata path. :param path: a string or path-like object :return: a concrete Distribution instance for the path @@ -433,7 +439,7 @@ def at(path): @staticmethod def _discover_resolvers(): - """Search the meta_path for resolvers.""" + """Search the meta_path for resolvers (MetadataPathFinders).""" declared = ( getattr(finder, 'find_distributions', None) for finder in sys.meta_path ) @@ -444,8 +450,15 @@ def metadata(self) -> _meta.PackageMetadata: """Return the parsed metadata for this Distribution. The returned object will have keys that name the various bits of - metadata. See PEP 566 for details. + metadata per the + `Core metadata specifications `_. + + Custom providers may provide the METADATA file or override this + property. """ + # deferred for performance (python/cpython#109829) + from . import _adapters + opt_text = ( self.read_text('METADATA') or self.read_text('PKG-INFO') @@ -458,7 +471,7 @@ def metadata(self) -> _meta.PackageMetadata: return _adapters.Message(email.message_from_string(text)) @property - def name(self): + def name(self) -> str: """Return the 'Name' metadata for the distribution package.""" return self.metadata['Name'] @@ -468,16 +481,22 @@ def _normalized_name(self): return Prepared.normalize(self.name) @property - def version(self): + def version(self) -> str: """Return the 'Version' metadata for the distribution package.""" return self.metadata['Version'] @property - def entry_points(self): + def entry_points(self) -> EntryPoints: + """ + Return EntryPoints for this distribution. + + Custom providers may provide the ``entry_points.txt`` file + or override this property. + """ return EntryPoints._from_text_for(self.read_text('entry_points.txt'), self) @property - def files(self): + def files(self) -> Optional[List[PackagePath]]: """Files in this distribution. :return: List of PackagePath for this distribution or None @@ -486,6 +505,10 @@ def files(self): (i.e. RECORD for dist-info, or installed-files.txt or SOURCES.txt for egg-info) is missing. Result may be empty if the metadata exists but is empty. + + Custom providers are recommended to provide a "RECORD" file (in + ``read_text``) or override this property to allow for callers to be + able to resolve filenames provided by the package. """ def make_file(name, hash=None, size_str=None): @@ -497,6 +520,10 @@ def make_file(name, hash=None, size_str=None): @pass_none def make_files(lines): + # Delay csv import, since Distribution.files is not as widely used + # as other parts of importlib.metadata + import csv + return starmap(make_file, csv.reader(lines)) @pass_none @@ -513,7 +540,7 @@ def skip_missing_files(package_paths): def _read_files_distinfo(self): """ - Read the lines of RECORD + Read the lines of RECORD. """ text = self.read_text('RECORD') return text and text.splitlines() @@ -540,7 +567,7 @@ def _read_files_egginfo_installed(self): paths = ( (subdir / name) .resolve() - .relative_to(self.locate_file('').resolve()) + .relative_to(self.locate_file('').resolve(), walk_up=True) .as_posix() for name in text.splitlines() ) @@ -562,7 +589,7 @@ def _read_files_egginfo_sources(self): return text and map('"{}"'.format, text.splitlines()) @property - def requires(self): + def requires(self) -> Optional[List[str]]: """Generated requirements specified for this Distribution""" reqs = self._read_dist_info_reqs() or self._read_egg_info_reqs() return reqs and list(reqs) @@ -613,10 +640,23 @@ def url_req_space(req): space = url_req_space(section.value) yield section.value + space + quoted_marker(section.name) + @property + def origin(self): + return self._load_json('direct_url.json') + + def _load_json(self, filename): + return pass_none(json.loads)( + self.read_text(filename), + object_hook=lambda data: types.SimpleNamespace(**data), + ) + class DistributionFinder(MetaPathFinder): """ A MetaPathFinder capable of discovering installed distributions. + + Custom providers should implement this interface in order to + supply metadata. """ class Context: @@ -629,6 +669,17 @@ class Context: Each DistributionFinder may expect any parameters and should attempt to honor the canonical parameters defined below when appropriate. + + This mechanism gives a custom provider a means to + solicit additional details from the caller beyond + "name" and "path" when searching distributions. + For example, imagine a provider that exposes suites + of packages in either a "public" or "private" ``realm``. + A caller may wish to query only for distributions in + a particular realm and could call + ``distributions(realm="private")`` to signal to the + custom provider to only include distributions from that + realm. """ name = None @@ -641,7 +692,7 @@ def __init__(self, **kwargs): vars(self).update(kwargs) @property - def path(self): + def path(self) -> List[str]: """ The sequence of directory path that a distribution finder should search. @@ -652,7 +703,7 @@ def path(self): return vars(self).get('path', sys.path) @abc.abstractmethod - def find_distributions(self, context=Context()): + def find_distributions(self, context=Context()) -> Iterable[Distribution]: """ Find distributions. @@ -664,11 +715,18 @@ def find_distributions(self, context=Context()): class FastPath: """ - Micro-optimized class for searching a path for - children. + Micro-optimized class for searching a root for children. + + Root is a path on the file system that may contain metadata + directories either as natural directories or within a zip file. >>> FastPath('').children() ['...'] + + FastPath objects are cached and recycled for any given root. + + >>> FastPath('foobar') is FastPath('foobar') + True """ @functools.lru_cache() # type: ignore @@ -710,7 +768,19 @@ def lookup(self, mtime): class Lookup: + """ + A micro-optimized class for searching a (fast) path for metadata. + """ + def __init__(self, path: FastPath): + """ + Calculate all of the children representing metadata. + + From the children in the path, calculate early all of the + children that appear to represent metadata (infos) or legacy + metadata (eggs). + """ + base = os.path.basename(path.root).lower() base_is_egg = base.endswith(".egg") self.infos = FreezableDefaultDict(list) @@ -731,7 +801,10 @@ def __init__(self, path: FastPath): self.infos.freeze() self.eggs.freeze() - def search(self, prepared): + def search(self, prepared: Prepared): + """ + Yield all infos and eggs matching the Prepared query. + """ infos = ( self.infos[prepared.normalized] if prepared @@ -747,13 +820,28 @@ def search(self, prepared): class Prepared: """ - A prepared search for metadata on a possibly-named package. + A prepared search query for metadata on a possibly-named package. + + Pre-calculates the normalization to prevent repeated operations. + + >>> none = Prepared(None) + >>> none.normalized + >>> none.legacy_normalized + >>> bool(none) + False + >>> sample = Prepared('Sample__Pkg-name.foo') + >>> sample.normalized + 'sample_pkg_name_foo' + >>> sample.legacy_normalized + 'sample__pkg_name.foo' + >>> bool(sample) + True """ normalized = None legacy_normalized = None - def __init__(self, name): + def __init__(self, name: Optional[str]): self.name = name if name is None: return @@ -781,7 +869,9 @@ def __bool__(self): class MetadataPathFinder(DistributionFinder): @classmethod - def find_distributions(cls, context=DistributionFinder.Context()): + def find_distributions( + cls, context=DistributionFinder.Context() + ) -> Iterable[PathDistribution]: """ Find distributions. @@ -801,19 +891,20 @@ def _search_paths(cls, name, paths): path.search(prepared) for path in map(FastPath, paths) ) - def invalidate_caches(cls): + @classmethod + def invalidate_caches(cls) -> None: FastPath.__new__.cache_clear() class PathDistribution(Distribution): - def __init__(self, path: SimplePath): + def __init__(self, path: SimplePath) -> None: """Construct a distribution. :param path: SimplePath indicating the metadata directory. """ self._path = path - def read_text(self, filename): + def read_text(self, filename: str | os.PathLike[str]) -> Optional[str]: with suppress( FileNotFoundError, IsADirectoryError, @@ -823,9 +914,11 @@ def read_text(self, filename): ): return self._path.joinpath(filename).read_text(encoding='utf-8') + return None + read_text.__doc__ = Distribution.read_text.__doc__ - def locate_file(self, path): + def locate_file(self, path: str | os.PathLike[str]) -> SimplePath: return self._path.parent / path @property @@ -858,7 +951,7 @@ def _name_from_stem(stem): return name -def distribution(distribution_name): +def distribution(distribution_name: str) -> Distribution: """Get the ``Distribution`` instance for the named package. :param distribution_name: The name of the distribution package as a string. @@ -867,7 +960,7 @@ def distribution(distribution_name): return Distribution.from_name(distribution_name) -def distributions(**kwargs): +def distributions(**kwargs) -> Iterable[Distribution]: """Get all ``Distribution`` instances in the current environment. :return: An iterable of ``Distribution`` instances. @@ -875,7 +968,7 @@ def distributions(**kwargs): return Distribution.discover(**kwargs) -def metadata(distribution_name) -> _meta.PackageMetadata: +def metadata(distribution_name: str) -> _meta.PackageMetadata: """Get the metadata for the named package. :param distribution_name: The name of the distribution package to query. @@ -884,7 +977,7 @@ def metadata(distribution_name) -> _meta.PackageMetadata: return Distribution.from_name(distribution_name).metadata -def version(distribution_name): +def version(distribution_name: str) -> str: """Get the version string for the named package. :param distribution_name: The name of the distribution package to query. @@ -918,7 +1011,7 @@ def entry_points(**params) -> EntryPoints: return EntryPoints(eps).select(**params) -def files(distribution_name): +def files(distribution_name: str) -> Optional[List[PackagePath]]: """Return a list of files for the named package. :param distribution_name: The name of the distribution package to query. @@ -927,11 +1020,11 @@ def files(distribution_name): return distribution(distribution_name).files -def requires(distribution_name): +def requires(distribution_name: str) -> Optional[List[str]]: """ Return a list of requirements for the named package. - :return: An iterator of requirements, suitable for + :return: An iterable of requirements, suitable for packaging.requirement.Requirement. """ return distribution(distribution_name).requires @@ -958,13 +1051,42 @@ def _top_level_declared(dist): return (dist.read_text('top_level.txt') or '').split() +def _topmost(name: PackagePath) -> Optional[str]: + """ + Return the top-most parent as long as there is a parent. + """ + top, *rest = name.parts + return top if rest else None + + +def _get_toplevel_name(name: PackagePath) -> str: + """ + Infer a possibly importable module name from a name presumed on + sys.path. + + >>> _get_toplevel_name(PackagePath('foo.py')) + 'foo' + >>> _get_toplevel_name(PackagePath('foo')) + 'foo' + >>> _get_toplevel_name(PackagePath('foo.pyc')) + 'foo' + >>> _get_toplevel_name(PackagePath('foo/__init__.py')) + 'foo' + >>> _get_toplevel_name(PackagePath('foo.pth')) + 'foo.pth' + >>> _get_toplevel_name(PackagePath('foo.dist-info')) + 'foo.dist-info' + """ + return _topmost(name) or ( + # python/typeshed#10328 + inspect.getmodulename(name) # type: ignore + or str(name) + ) + + def _top_level_inferred(dist): - opt_names = { - f.parts[0] if len(f.parts) > 1 else inspect.getmodulename(f) - for f in always_iterable(dist.files) - } + opt_names = set(map(_get_toplevel_name, always_iterable(dist.files))) - @pass_none def importable_name(name): return '.' not in name diff --git a/Lib/importlib/metadata/_adapters.py b/Lib/importlib/metadata/_adapters.py index 6aed69a3085..59116880895 100644 --- a/Lib/importlib/metadata/_adapters.py +++ b/Lib/importlib/metadata/_adapters.py @@ -53,7 +53,7 @@ def __iter__(self): def __getitem__(self, item): """ Warn users that a ``KeyError`` can be expected when a - mising key is supplied. Ref python/importlib_metadata#371. + missing key is supplied. Ref python/importlib_metadata#371. """ res = super().__getitem__(item) if res is None: diff --git a/Lib/importlib/metadata/_meta.py b/Lib/importlib/metadata/_meta.py index c9a7ef906a8..1927d0f624d 100644 --- a/Lib/importlib/metadata/_meta.py +++ b/Lib/importlib/metadata/_meta.py @@ -1,3 +1,6 @@ +from __future__ import annotations + +import os from typing import Protocol from typing import Any, Dict, Iterator, List, Optional, TypeVar, Union, overload @@ -6,30 +9,27 @@ class PackageMetadata(Protocol): - def __len__(self) -> int: - ... # pragma: no cover + def __len__(self) -> int: ... # pragma: no cover - def __contains__(self, item: str) -> bool: - ... # pragma: no cover + def __contains__(self, item: str) -> bool: ... # pragma: no cover - def __getitem__(self, key: str) -> str: - ... # pragma: no cover + def __getitem__(self, key: str) -> str: ... # pragma: no cover - def __iter__(self) -> Iterator[str]: - ... # pragma: no cover + def __iter__(self) -> Iterator[str]: ... # pragma: no cover @overload - def get(self, name: str, failobj: None = None) -> Optional[str]: - ... # pragma: no cover + def get( + self, name: str, failobj: None = None + ) -> Optional[str]: ... # pragma: no cover @overload - def get(self, name: str, failobj: _T) -> Union[str, _T]: - ... # pragma: no cover + def get(self, name: str, failobj: _T) -> Union[str, _T]: ... # pragma: no cover # overload per python/importlib_metadata#435 @overload - def get_all(self, name: str, failobj: None = None) -> Optional[List[Any]]: - ... # pragma: no cover + def get_all( + self, name: str, failobj: None = None + ) -> Optional[List[Any]]: ... # pragma: no cover @overload def get_all(self, name: str, failobj: _T) -> Union[List[Any], _T]: @@ -44,20 +44,24 @@ def json(self) -> Dict[str, Union[str, List[str]]]: """ -class SimplePath(Protocol[_T]): +class SimplePath(Protocol): """ - A minimal subset of pathlib.Path required by PathDistribution. + A minimal subset of pathlib.Path required by Distribution. """ - def joinpath(self) -> _T: - ... # pragma: no cover + def joinpath( + self, other: Union[str, os.PathLike[str]] + ) -> SimplePath: ... # pragma: no cover - def __truediv__(self, other: Union[str, _T]) -> _T: - ... # pragma: no cover + def __truediv__( + self, other: Union[str, os.PathLike[str]] + ) -> SimplePath: ... # pragma: no cover @property - def parent(self) -> _T: - ... # pragma: no cover + def parent(self) -> SimplePath: ... # pragma: no cover + + def read_text(self, encoding=None) -> str: ... # pragma: no cover + + def read_bytes(self) -> bytes: ... # pragma: no cover - def read_text(self) -> str: - ... # pragma: no cover + def exists(self) -> bool: ... # pragma: no cover diff --git a/Lib/importlib/metadata/diagnose.py b/Lib/importlib/metadata/diagnose.py new file mode 100644 index 00000000000..e405471ac4d --- /dev/null +++ b/Lib/importlib/metadata/diagnose.py @@ -0,0 +1,21 @@ +import sys + +from . import Distribution + + +def inspect(path): + print("Inspecting", path) + dists = list(Distribution.discover(path=[path])) + if not dists: + return + print("Found", len(dists), "packages:", end=' ') + print(', '.join(dist.name for dist in dists)) + + +def run(): + for path in sys.path: + inspect(path) + + +if __name__ == '__main__': + run() diff --git a/Lib/importlib/resources/__init__.py b/Lib/importlib/resources/__init__.py index 34e3a9950cc..723c9f9eb33 100644 --- a/Lib/importlib/resources/__init__.py +++ b/Lib/importlib/resources/__init__.py @@ -1,20 +1,27 @@ -"""Read resources contained within a package.""" +""" +Read resources contained within a package. + +This codebase is shared between importlib.resources in the stdlib +and importlib_resources in PyPI. See +https://github.com/python/importlib_metadata/wiki/Development-Methodology +for more detail. +""" from ._common import ( as_file, files, Package, + Anchor, ) -from ._legacy import ( +from ._functional import ( contents, + is_resource, open_binary, - read_binary, open_text, - read_text, - is_resource, path, - Resource, + read_binary, + read_text, ) from .abc import ResourceReader @@ -22,11 +29,11 @@ __all__ = [ 'Package', - 'Resource', + 'Anchor', 'ResourceReader', 'as_file', - 'contents', 'files', + 'contents', 'is_resource', 'open_binary', 'open_text', diff --git a/Lib/importlib/resources/_common.py b/Lib/importlib/resources/_common.py index b402e05116e..171a7f29249 100644 --- a/Lib/importlib/resources/_common.py +++ b/Lib/importlib/resources/_common.py @@ -12,8 +12,6 @@ from typing import Union, Optional, cast from .abc import ResourceReader, Traversable -from ._adapters import wrap_spec - Package = Union[types.ModuleType, str] Anchor = Package @@ -27,6 +25,8 @@ def package_to_anchor(func): >>> files('a', 'b') Traceback (most recent call last): TypeError: files() takes from 0 to 1 positional arguments but 2 were given + + Remove this compatibility in Python 3.14. """ undefined = object() @@ -66,10 +66,10 @@ def get_resource_reader(package: types.ModuleType) -> Optional[ResourceReader]: # zipimport.zipimporter does not support weak references, resulting in a # TypeError. That seems terrible. spec = package.__spec__ - reader = getattr(spec.loader, 'get_resource_reader', None) # type: ignore + reader = getattr(spec.loader, 'get_resource_reader', None) # type: ignore[union-attr] if reader is None: return None - return reader(spec.name) # type: ignore + return reader(spec.name) # type: ignore[union-attr] @functools.singledispatch @@ -77,12 +77,12 @@ def resolve(cand: Optional[Anchor]) -> types.ModuleType: return cast(types.ModuleType, cand) -@resolve.register(str) # TODO: RUSTPYTHON; manual type annotation +@resolve.register def _(cand: str) -> types.ModuleType: return importlib.import_module(cand) -@resolve.register(type(None)) # TODO: RUSTPYTHON; manual type annotation +@resolve.register def _(cand: None) -> types.ModuleType: return resolve(_infer_caller().f_globals['__name__']) @@ -109,6 +109,9 @@ def from_package(package: types.ModuleType): Return a Traversable object for the given package. """ + # deferred for performance (python/cpython#109829) + from ._adapters import wrap_spec + spec = wrap_spec(package) reader = spec.loader.get_resource_reader(spec.name) return reader.files() diff --git a/Lib/importlib/resources/_functional.py b/Lib/importlib/resources/_functional.py new file mode 100644 index 00000000000..f59416f2dd6 --- /dev/null +++ b/Lib/importlib/resources/_functional.py @@ -0,0 +1,81 @@ +"""Simplified function-based API for importlib.resources""" + +import warnings + +from ._common import files, as_file + + +_MISSING = object() + + +def open_binary(anchor, *path_names): + """Open for binary reading the *resource* within *package*.""" + return _get_resource(anchor, path_names).open('rb') + + +def open_text(anchor, *path_names, encoding=_MISSING, errors='strict'): + """Open for text reading the *resource* within *package*.""" + encoding = _get_encoding_arg(path_names, encoding) + resource = _get_resource(anchor, path_names) + return resource.open('r', encoding=encoding, errors=errors) + + +def read_binary(anchor, *path_names): + """Read and return contents of *resource* within *package* as bytes.""" + return _get_resource(anchor, path_names).read_bytes() + + +def read_text(anchor, *path_names, encoding=_MISSING, errors='strict'): + """Read and return contents of *resource* within *package* as str.""" + encoding = _get_encoding_arg(path_names, encoding) + resource = _get_resource(anchor, path_names) + return resource.read_text(encoding=encoding, errors=errors) + + +def path(anchor, *path_names): + """Return the path to the *resource* as an actual file system path.""" + return as_file(_get_resource(anchor, path_names)) + + +def is_resource(anchor, *path_names): + """Return ``True`` if there is a resource named *name* in the package, + + Otherwise returns ``False``. + """ + return _get_resource(anchor, path_names).is_file() + + +def contents(anchor, *path_names): + """Return an iterable over the named resources within the package. + + The iterable returns :class:`str` resources (e.g. files). + The iterable does not recurse into subdirectories. + """ + warnings.warn( + "importlib.resources.contents is deprecated. " + "Use files(anchor).iterdir() instead.", + DeprecationWarning, + stacklevel=1, + ) + return (resource.name for resource in _get_resource(anchor, path_names).iterdir()) + + +def _get_encoding_arg(path_names, encoding): + # For compatibility with versions where *encoding* was a positional + # argument, it needs to be given explicitly when there are multiple + # *path_names*. + # This limitation can be removed in Python 3.15. + if encoding is _MISSING: + if len(path_names) > 1: + raise TypeError( + "'encoding' argument required with multiple path names", + ) + else: + return 'utf-8' + return encoding + + +def _get_resource(anchor, path_names): + if anchor is None: + raise TypeError("anchor must be module or string, got None") + return files(anchor).joinpath(*path_names) diff --git a/Lib/importlib/resources/readers.py b/Lib/importlib/resources/readers.py index c3cdf769cbe..70fc7e2b9c0 100644 --- a/Lib/importlib/resources/readers.py +++ b/Lib/importlib/resources/readers.py @@ -1,8 +1,14 @@ +from __future__ import annotations + import collections +import contextlib import itertools import pathlib import operator +import re +import warnings import zipfile +from collections.abc import Iterator from . import abc @@ -31,8 +37,10 @@ def files(self): class ZipReader(abc.TraversableResources): def __init__(self, loader, module): - _, _, name = module.rpartition('.') - self.prefix = loader.prefix.replace('\\', '/') + name + '/' + self.prefix = loader.prefix.replace('\\', '/') + if loader.is_package(module): + _, _, name = module.rpartition('.') + self.prefix += name + '/' self.archive = loader.archive def open_resource(self, resource): @@ -62,7 +70,7 @@ class MultiplexedPath(abc.Traversable): """ def __init__(self, *paths): - self._paths = list(map(pathlib.Path, remove_duplicates(paths))) + self._paths = list(map(_ensure_traversable, remove_duplicates(paths))) if not self._paths: message = 'MultiplexedPath must contain at least one path' raise FileNotFoundError(message) @@ -130,7 +138,40 @@ class NamespaceReader(abc.TraversableResources): def __init__(self, namespace_path): if 'NamespacePath' not in str(namespace_path): raise ValueError('Invalid path') - self.path = MultiplexedPath(*list(namespace_path)) + self.path = MultiplexedPath(*filter(bool, map(self._resolve, namespace_path))) + + @classmethod + def _resolve(cls, path_str) -> abc.Traversable | None: + r""" + Given an item from a namespace path, resolve it to a Traversable. + + path_str might be a directory on the filesystem or a path to a + zipfile plus the path within the zipfile, e.g. ``/foo/bar`` or + ``/foo/baz.zip/inner_dir`` or ``foo\baz.zip\inner_dir\sub``. + + path_str might also be a sentinel used by editable packages to + trigger other behaviors (see python/importlib_resources#311). + In that case, return None. + """ + dirs = (cand for cand in cls._candidate_paths(path_str) if cand.is_dir()) + return next(dirs, None) + + @classmethod + def _candidate_paths(cls, path_str: str) -> Iterator[abc.Traversable]: + yield pathlib.Path(path_str) + yield from cls._resolve_zip_path(path_str) + + @staticmethod + def _resolve_zip_path(path_str: str): + for match in reversed(list(re.finditer(r'[\\/]', path_str))): + with contextlib.suppress( + FileNotFoundError, + IsADirectoryError, + NotADirectoryError, + PermissionError, + ): + inner = path_str[match.end() :].replace('\\', '/') + '/' + yield zipfile.Path(path_str[: match.start()], inner.lstrip('/')) def resource_path(self, resource): """ @@ -142,3 +183,21 @@ def resource_path(self, resource): def files(self): return self.path + + +def _ensure_traversable(path): + """ + Convert deprecated string arguments to traversables (pathlib.Path). + + Remove with Python 3.15. + """ + if not isinstance(path, str): + return path + + warnings.warn( + "String arguments are deprecated. Pass a Traversable instead.", + DeprecationWarning, + stacklevel=3, + ) + + return pathlib.Path(path) diff --git a/Lib/importlib/resources/simple.py b/Lib/importlib/resources/simple.py index 7770c922c84..2e75299b13a 100644 --- a/Lib/importlib/resources/simple.py +++ b/Lib/importlib/resources/simple.py @@ -77,7 +77,7 @@ class ResourceHandle(Traversable): def __init__(self, parent: ResourceContainer, name: str): self.parent = parent - self.name = name # type: ignore + self.name = name # type: ignore[misc] def is_file(self): return True @@ -88,7 +88,7 @@ def is_dir(self): def open(self, mode='r', *args, **kwargs): stream = self.parent.reader.open_binary(self.name) if 'b' not in mode: - stream = io.TextIOWrapper(*args, **kwargs) + stream = io.TextIOWrapper(stream, *args, **kwargs) return stream def joinpath(self, name): diff --git a/Lib/importlib/util.py b/Lib/importlib/util.py index f4d6e823315..284206b62f9 100644 --- a/Lib/importlib/util.py +++ b/Lib/importlib/util.py @@ -135,7 +135,7 @@ class _incompatible_extension_module_restrictions: may not be imported in a subinterpreter. That implies modules that do not implement multi-phase init or that explicitly of out. - Likewise for modules import in a subinterpeter with its own GIL + Likewise for modules import in a subinterpreter with its own GIL when the extension does not support a per-interpreter GIL. This implies the module does not have a Py_mod_multiple_interpreters slot set to Py_MOD_PER_INTERPRETER_GIL_SUPPORTED. @@ -145,7 +145,7 @@ class _incompatible_extension_module_restrictions: You can get the same effect as this function by implementing the basic interface of multi-phase init (PEP 489) and lying about - support for mulitple interpreters (or per-interpreter GIL). + support for multiple interpreters (or per-interpreter GIL). """ def __init__(self, *, disable_check): @@ -171,36 +171,57 @@ class _LazyModule(types.ModuleType): def __getattribute__(self, attr): """Trigger the load of the module and return the attribute.""" - # All module metadata must be garnered from __spec__ in order to avoid - # using mutated values. - # Stop triggering this method. - self.__class__ = types.ModuleType - # Get the original name to make sure no object substitution occurred - # in sys.modules. - original_name = self.__spec__.name - # Figure out exactly what attributes were mutated between the creation - # of the module and now. - attrs_then = self.__spec__.loader_state['__dict__'] - attrs_now = self.__dict__ - attrs_updated = {} - for key, value in attrs_now.items(): - # Code that set the attribute may have kept a reference to the - # assigned object, making identity more important than equality. - if key not in attrs_then: - attrs_updated[key] = value - elif id(attrs_now[key]) != id(attrs_then[key]): - attrs_updated[key] = value - self.__spec__.loader.exec_module(self) - # If exec_module() was used directly there is no guarantee the module - # object was put into sys.modules. - if original_name in sys.modules: - if id(self) != id(sys.modules[original_name]): - raise ValueError(f"module object for {original_name!r} " - "substituted in sys.modules during a lazy " - "load") - # Update after loading since that's what would happen in an eager - # loading situation. - self.__dict__.update(attrs_updated) + __spec__ = object.__getattribute__(self, '__spec__') + loader_state = __spec__.loader_state + with loader_state['lock']: + # Only the first thread to get the lock should trigger the load + # and reset the module's class. The rest can now getattr(). + if object.__getattribute__(self, '__class__') is _LazyModule: + __class__ = loader_state['__class__'] + + # Reentrant calls from the same thread must be allowed to proceed without + # triggering the load again. + # exec_module() and self-referential imports are the primary ways this can + # happen, but in any case we must return something to avoid deadlock. + if loader_state['is_loading']: + return __class__.__getattribute__(self, attr) + loader_state['is_loading'] = True + + __dict__ = __class__.__getattribute__(self, '__dict__') + + # All module metadata must be gathered from __spec__ in order to avoid + # using mutated values. + # Get the original name to make sure no object substitution occurred + # in sys.modules. + original_name = __spec__.name + # Figure out exactly what attributes were mutated between the creation + # of the module and now. + attrs_then = loader_state['__dict__'] + attrs_now = __dict__ + attrs_updated = {} + for key, value in attrs_now.items(): + # Code that set an attribute may have kept a reference to the + # assigned object, making identity more important than equality. + if key not in attrs_then: + attrs_updated[key] = value + elif id(attrs_now[key]) != id(attrs_then[key]): + attrs_updated[key] = value + __spec__.loader.exec_module(self) + # If exec_module() was used directly there is no guarantee the module + # object was put into sys.modules. + if original_name in sys.modules: + if id(self) != id(sys.modules[original_name]): + raise ValueError(f"module object for {original_name!r} " + "substituted in sys.modules during a lazy " + "load") + # Update after loading since that's what would happen in an eager + # loading situation. + __dict__.update(attrs_updated) + # Finally, stop triggering this method, if the module did not + # already update its own __class__. + if isinstance(self, _LazyModule): + object.__setattr__(self, '__class__', __class__) + return getattr(self, attr) def __delattr__(self, attr): @@ -235,6 +256,9 @@ def create_module(self, spec): def exec_module(self, module): """Make the module load lazily.""" + # Threading is only needed for lazy loading, and importlib.util can + # be pulled in at interpreter startup, so defer until needed. + import threading module.__spec__.loader = self.loader module.__loader__ = self.loader # Don't need to worry about deep-copying as trying to set an attribute @@ -244,5 +268,7 @@ def exec_module(self, module): loader_state = {} loader_state['__dict__'] = module.__dict__.copy() loader_state['__class__'] = module.__class__ + loader_state['lock'] = threading.RLock() + loader_state['is_loading'] = False module.__spec__.loader_state = loader_state module.__class__ = _LazyModule diff --git a/Lib/test/test_importlib/builtin/test_finder.py b/Lib/test/test_importlib/builtin/test_finder.py index 111c4af1ea7..1fb1d2f9efa 100644 --- a/Lib/test/test_importlib/builtin/test_finder.py +++ b/Lib/test/test_importlib/builtin/test_finder.py @@ -4,7 +4,6 @@ import sys import unittest -import warnings @unittest.skipIf(util.BUILTINS.good_name is None, 'no reasonable builtin module') diff --git a/Lib/test/test_importlib/extension/_test_nonmodule_cases.py b/Lib/test/test_importlib/extension/_test_nonmodule_cases.py new file mode 100644 index 00000000000..8ffd18d221d --- /dev/null +++ b/Lib/test/test_importlib/extension/_test_nonmodule_cases.py @@ -0,0 +1,44 @@ +import types +import unittest +from test.test_importlib import util + +machinery = util.import_importlib('importlib.machinery') + +from test.test_importlib.extension.test_loader import MultiPhaseExtensionModuleTests + + +class NonModuleExtensionTests: + setUp = MultiPhaseExtensionModuleTests.setUp + load_module_by_name = MultiPhaseExtensionModuleTests.load_module_by_name + + def _test_nonmodule(self): + # Test returning a non-module object from create works. + name = self.name + '_nonmodule' + mod = self.load_module_by_name(name) + self.assertNotEqual(type(mod), type(unittest)) + self.assertEqual(mod.three, 3) + + # issue 27782 + def test_nonmodule_with_methods(self): + # Test creating a non-module object with methods defined. + name = self.name + '_nonmodule_with_methods' + mod = self.load_module_by_name(name) + self.assertNotEqual(type(mod), type(unittest)) + self.assertEqual(mod.three, 3) + self.assertEqual(mod.bar(10, 1), 9) + + def test_null_slots(self): + # Test that NULL slots aren't a problem. + name = self.name + '_null_slots' + module = self.load_module_by_name(name) + self.assertIsInstance(module, types.ModuleType) + self.assertEqual(module.__name__, name) + + +(Frozen_NonModuleExtensionTests, + Source_NonModuleExtensionTests + ) = util.test_both(NonModuleExtensionTests, machinery=machinery) + + +if __name__ == '__main__': + unittest.main() diff --git a/Lib/test/test_importlib/extension/test_case_sensitivity.py b/Lib/test/test_importlib/extension/test_case_sensitivity.py index 0bb74fff5fc..40311627a14 100644 --- a/Lib/test/test_importlib/extension/test_case_sensitivity.py +++ b/Lib/test/test_importlib/extension/test_case_sensitivity.py @@ -8,7 +8,8 @@ machinery = util.import_importlib('importlib.machinery') -@unittest.skipIf(util.EXTENSIONS.filename is None, f'{util.EXTENSIONS.name} not available') +@unittest.skipIf(util.EXTENSIONS is None or util.EXTENSIONS.filename is None, + 'dynamic loading not supported or test module not available') @util.case_insensitive_tests class ExtensionModuleCaseSensitivityTest(util.CASEOKTestBase): diff --git a/Lib/test/test_importlib/extension/test_finder.py b/Lib/test/test_importlib/extension/test_finder.py index 35ff9fbef58..cdc8884d668 100644 --- a/Lib/test/test_importlib/extension/test_finder.py +++ b/Lib/test/test_importlib/extension/test_finder.py @@ -1,3 +1,4 @@ +from test.support import is_apple_mobile from test.test_importlib import abc, util machinery = util.import_importlib('importlib.machinery') @@ -11,7 +12,7 @@ class FinderTests(abc.FinderTests): """Test the finder for extension modules.""" def setUp(self): - if not self.machinery.EXTENSION_SUFFIXES: + if not self.machinery.EXTENSION_SUFFIXES or not util.EXTENSIONS: raise unittest.SkipTest("Requires dynamic loading support.") if util.EXTENSIONS.name in sys.builtin_module_names: raise unittest.SkipTest( @@ -19,14 +20,30 @@ def setUp(self): ) def find_spec(self, fullname): - importer = self.machinery.FileFinder(util.EXTENSIONS.path, - (self.machinery.ExtensionFileLoader, - self.machinery.EXTENSION_SUFFIXES)) + if is_apple_mobile: + # Apple mobile platforms require a specialist loader that uses + # .fwork files as placeholders for the true `.so` files. + loaders = [ + ( + self.machinery.AppleFrameworkLoader, + [ + ext.replace(".so", ".fwork") + for ext in self.machinery.EXTENSION_SUFFIXES + ] + ) + ] + else: + loaders = [ + ( + self.machinery.ExtensionFileLoader, + self.machinery.EXTENSION_SUFFIXES + ) + ] + + importer = self.machinery.FileFinder(util.EXTENSIONS.path, *loaders) return importer.find_spec(fullname) - # TODO: RUSTPYTHON - @unittest.expectedFailure def test_module(self): self.assertTrue(self.find_spec(util.EXTENSIONS.name)) diff --git a/Lib/test/test_importlib/extension/test_loader.py b/Lib/test/test_importlib/extension/test_loader.py index d06558f2ade..0dd21e079eb 100644 --- a/Lib/test/test_importlib/extension/test_loader.py +++ b/Lib/test/test_importlib/extension/test_loader.py @@ -1,4 +1,4 @@ -from warnings import catch_warnings +from test.support import is_apple_mobile from test.test_importlib import abc, util machinery = util.import_importlib('importlib.machinery') @@ -10,7 +10,8 @@ import warnings import importlib.util import importlib -from test.support.script_helper import assert_python_failure +from test import support +from test.support import MISSING_C_DOCSTRINGS, script_helper class LoaderTests: @@ -18,14 +19,21 @@ class LoaderTests: """Test ExtensionFileLoader.""" def setUp(self): - if not self.machinery.EXTENSION_SUFFIXES: + if not self.machinery.EXTENSION_SUFFIXES or not util.EXTENSIONS: raise unittest.SkipTest("Requires dynamic loading support.") if util.EXTENSIONS.name in sys.builtin_module_names: raise unittest.SkipTest( f"{util.EXTENSIONS.name} is a builtin module" ) - self.loader = self.machinery.ExtensionFileLoader(util.EXTENSIONS.name, - util.EXTENSIONS.file_path) + + # Apple extensions must be distributed as frameworks. This requires + # a specialist loader. + if is_apple_mobile: + self.LoaderClass = self.machinery.AppleFrameworkLoader + else: + self.LoaderClass = self.machinery.ExtensionFileLoader + + self.loader = self.LoaderClass(util.EXTENSIONS.name, util.EXTENSIONS.file_path) def load_module(self, fullname): with warnings.catch_warnings(): @@ -33,13 +41,11 @@ def load_module(self, fullname): return self.loader.load_module(fullname) def test_equality(self): - other = self.machinery.ExtensionFileLoader(util.EXTENSIONS.name, - util.EXTENSIONS.file_path) + other = self.LoaderClass(util.EXTENSIONS.name, util.EXTENSIONS.file_path) self.assertEqual(self.loader, other) def test_inequality(self): - other = self.machinery.ExtensionFileLoader('_' + util.EXTENSIONS.name, - util.EXTENSIONS.file_path) + other = self.LoaderClass('_' + util.EXTENSIONS.name, util.EXTENSIONS.file_path) self.assertNotEqual(self.loader, other) def test_load_module_API(self): @@ -51,8 +57,6 @@ def test_load_module_API(self): with self.assertRaises(ImportError): self.load_module('XXX') - # TODO: RUSTPYTHON - @unittest.expectedFailure def test_module(self): with util.uncache(util.EXTENSIONS.name): module = self.load_module(util.EXTENSIONS.name) @@ -61,8 +65,7 @@ def test_module(self): ('__package__', '')]: self.assertEqual(getattr(module, attr), value) self.assertIn(util.EXTENSIONS.name, sys.modules) - self.assertIsInstance(module.__loader__, - self.machinery.ExtensionFileLoader) + self.assertIsInstance(module.__loader__, self.LoaderClass) # No extension module as __init__ available for testing. test_package = None @@ -85,13 +88,11 @@ def test_module_reuse(self): module2 = self.load_module(util.EXTENSIONS.name) self.assertIs(module1, module2) - # TODO: RUSTPYTHON - @unittest.expectedFailure def test_is_package(self): self.assertFalse(self.loader.is_package(util.EXTENSIONS.name)) for suffix in self.machinery.EXTENSION_SUFFIXES: path = os.path.join('some', 'path', 'pkg', '__init__' + suffix) - loader = self.machinery.ExtensionFileLoader('pkg', path) + loader = self.LoaderClass('pkg', path) self.assertTrue(loader.is_package('pkg')) @@ -104,8 +105,16 @@ class SinglePhaseExtensionModuleTests(abc.LoaderTests): # Test loading extension modules without multi-phase initialization. def setUp(self): - if not self.machinery.EXTENSION_SUFFIXES: + if not self.machinery.EXTENSION_SUFFIXES or not util.EXTENSIONS: raise unittest.SkipTest("Requires dynamic loading support.") + + # Apple extensions must be distributed as frameworks. This requires + # a specialist loader. + if is_apple_mobile: + self.LoaderClass = self.machinery.AppleFrameworkLoader + else: + self.LoaderClass = self.machinery.ExtensionFileLoader + self.name = '_testsinglephase' if self.name in sys.builtin_module_names: raise unittest.SkipTest( @@ -114,8 +123,8 @@ def setUp(self): finder = self.machinery.FileFinder(None) self.spec = importlib.util.find_spec(self.name) assert self.spec - self.loader = self.machinery.ExtensionFileLoader( - self.name, self.spec.origin) + + self.loader = self.LoaderClass(self.name, self.spec.origin) def load_module(self): with warnings.catch_warnings(): @@ -125,7 +134,7 @@ def load_module(self): def load_module_by_name(self, fullname): # Load a module from the test extension by name. origin = self.spec.origin - loader = self.machinery.ExtensionFileLoader(fullname, origin) + loader = self.LoaderClass(fullname, origin) spec = importlib.util.spec_from_loader(fullname, loader) module = importlib.util.module_from_spec(spec) loader.exec_module(module) @@ -142,8 +151,7 @@ def test_module(self): with self.assertRaises(AttributeError): module.__path__ self.assertIs(module, sys.modules[self.name]) - self.assertIsInstance(module.__loader__, - self.machinery.ExtensionFileLoader) + self.assertIsInstance(module.__loader__, self.LoaderClass) # No extension module as __init__ available for testing. test_package = None @@ -181,13 +189,20 @@ def test_unloadable_nonascii(self): ) = util.test_both(SinglePhaseExtensionModuleTests, machinery=machinery) -# @unittest.skip("TODO: RUSTPYTHON, AssertionError") class MultiPhaseExtensionModuleTests(abc.LoaderTests): # Test loading extension modules with multi-phase initialization (PEP 489). def setUp(self): - if not self.machinery.EXTENSION_SUFFIXES: + if not self.machinery.EXTENSION_SUFFIXES or not util.EXTENSIONS: raise unittest.SkipTest("Requires dynamic loading support.") + + # Apple extensions must be distributed as frameworks. This requires + # a specialist loader. + if is_apple_mobile: + self.LoaderClass = self.machinery.AppleFrameworkLoader + else: + self.LoaderClass = self.machinery.ExtensionFileLoader + self.name = '_testmultiphase' if self.name in sys.builtin_module_names: raise unittest.SkipTest( @@ -196,8 +211,7 @@ def setUp(self): finder = self.machinery.FileFinder(None) self.spec = importlib.util.find_spec(self.name) assert self.spec - self.loader = self.machinery.ExtensionFileLoader( - self.name, self.spec.origin) + self.loader = self.LoaderClass(self.name, self.spec.origin) def load_module(self): # Load the module from the test extension. @@ -208,7 +222,7 @@ def load_module(self): def load_module_by_name(self, fullname): # Load a module from the test extension by name. origin = self.spec.origin - loader = self.machinery.ExtensionFileLoader(fullname, origin) + loader = self.LoaderClass(fullname, origin) spec = importlib.util.spec_from_loader(fullname, loader) module = importlib.util.module_from_spec(spec) loader.exec_module(module) @@ -234,8 +248,7 @@ def test_module(self): with self.assertRaises(AttributeError): module.__path__ self.assertIs(module, sys.modules[self.name]) - self.assertIsInstance(module.__loader__, - self.machinery.ExtensionFileLoader) + self.assertIsInstance(module.__loader__, self.LoaderClass) def test_functionality(self): # Test basic functionality of stuff defined in an extension module. @@ -313,29 +326,6 @@ def test_unloadable_nonascii(self): self.load_module_by_name(name) self.assertEqual(cm.exception.name, name) - def test_nonmodule(self): - # Test returning a non-module object from create works. - name = self.name + '_nonmodule' - mod = self.load_module_by_name(name) - self.assertNotEqual(type(mod), type(unittest)) - self.assertEqual(mod.three, 3) - - # issue 27782 - def test_nonmodule_with_methods(self): - # Test creating a non-module object with methods defined. - name = self.name + '_nonmodule_with_methods' - mod = self.load_module_by_name(name) - self.assertNotEqual(type(mod), type(unittest)) - self.assertEqual(mod.three, 3) - self.assertEqual(mod.bar(10, 1), 9) - - def test_null_slots(self): - # Test that NULL slots aren't a problem. - name = self.name + '_null_slots' - module = self.load_module_by_name(name) - self.assertIsInstance(module, types.ModuleType) - self.assertEqual(module.__name__, name) - def test_bad_modules(self): # Test SystemError is raised for misbehaving extensions. for name_base in [ @@ -380,7 +370,8 @@ def test_nonascii(self): with self.subTest(name): module = self.load_module_by_name(name) self.assertEqual(module.__name__, name) - self.assertEqual(module.__doc__, "Module named in %s" % lang) + if not MISSING_C_DOCSTRINGS: + self.assertEqual(module.__doc__, "Module named in %s" % lang) (Frozen_MultiPhaseExtensionModuleTests, @@ -388,5 +379,14 @@ def test_nonascii(self): ) = util.test_both(MultiPhaseExtensionModuleTests, machinery=machinery) +class NonModuleExtensionTests(unittest.TestCase): + def test_nonmodule_cases(self): + # The test cases in this file cause the GIL to be enabled permanently + # in free-threaded builds, so they are run in a subprocess to isolate + # this effect. + script = support.findfile("test_importlib/extension/_test_nonmodule_cases.py") + script_helper.run_test_script(script) + + if __name__ == '__main__': unittest.main() diff --git a/Lib/test/test_importlib/extension/test_path_hook.py b/Lib/test/test_importlib/extension/test_path_hook.py index ec9644dc520..314a635c77e 100644 --- a/Lib/test/test_importlib/extension/test_path_hook.py +++ b/Lib/test/test_importlib/extension/test_path_hook.py @@ -5,6 +5,8 @@ import unittest +@unittest.skipIf(util.EXTENSIONS is None or util.EXTENSIONS.filename is None, + 'dynamic loading not supported or test module not available') class PathHookTests: """Test the path hook for extension modules.""" diff --git a/Lib/test/test_importlib/frozen/test_finder.py b/Lib/test/test_importlib/frozen/test_finder.py index 5bb075f3770..971cc28b6d3 100644 --- a/Lib/test/test_importlib/frozen/test_finder.py +++ b/Lib/test/test_importlib/frozen/test_finder.py @@ -2,11 +2,8 @@ machinery = util.import_importlib('importlib.machinery') -import _imp -import marshal import os.path import unittest -import warnings from test.support import import_helper, REPO_ROOT, STDLIB_DIR @@ -70,8 +67,6 @@ def check_search_locations(self, spec): expected = [os.path.dirname(filename)] self.assertListEqual(spec.submodule_search_locations, expected) - # TODO: RUSTPYTHON - @unittest.expectedFailure def test_module(self): modules = [ '__hello__', @@ -114,8 +109,6 @@ def test_module(self): self.check_basic(spec, name) self.check_loader_state(spec, origname, filename) - # TODO: RUSTPYTHON - @unittest.expectedFailure def test_package(self): packages = [ '__phello__', @@ -170,8 +163,6 @@ def test_failure(self): spec = self.find('') self.assertIsNone(spec) - # TODO: RUSTPYTHON - @unittest.expectedFailure def test_not_using_frozen(self): finder = self.machinery.FrozenImporter with import_helper.frozen_modules(enabled=False): diff --git a/Lib/test/test_importlib/frozen/test_loader.py b/Lib/test/test_importlib/frozen/test_loader.py index 4f1af454b52..1112c0664ad 100644 --- a/Lib/test/test_importlib/frozen/test_loader.py +++ b/Lib/test/test_importlib/frozen/test_loader.py @@ -3,9 +3,7 @@ machinery = util.import_importlib('importlib.machinery') from test.support import captured_stdout, import_helper, STDLIB_DIR -import _imp import contextlib -import marshal import os.path import types import unittest diff --git a/Lib/test/test_importlib/import_/test___loader__.py b/Lib/test/test_importlib/import_/test___loader__.py index a14163919af..858b37effc6 100644 --- a/Lib/test/test_importlib/import_/test___loader__.py +++ b/Lib/test/test_importlib/import_/test___loader__.py @@ -1,8 +1,5 @@ from importlib import machinery -import sys -import types import unittest -import warnings from test.test_importlib import util diff --git a/Lib/test/test_importlib/import_/test___package__.py b/Lib/test/test_importlib/import_/test___package__.py index 431faea5b4e..7130c99a6fc 100644 --- a/Lib/test/test_importlib/import_/test___package__.py +++ b/Lib/test/test_importlib/import_/test___package__.py @@ -56,8 +56,6 @@ def test_using___name__(self): '__path__': []}) self.assertEqual(module.__name__, 'pkg') - # TODO: RUSTPYTHON - @unittest.expectedFailure def test_warn_when_using___name__(self): with self.assertWarns(ImportWarning): self.import_module({'__name__': 'pkg.fake', '__path__': []}) @@ -75,8 +73,6 @@ def test_spec_fallback(self): module = self.import_module({'__spec__': FakeSpec('pkg.fake')}) self.assertEqual(module.__name__, 'pkg') - # TODO: RUSTPYTHON - @unittest.expectedFailure def test_warn_when_package_and_spec_disagree(self): # Raise a DeprecationWarning if __package__ != __spec__.parent. with self.assertWarns(DeprecationWarning): diff --git a/Lib/test/test_importlib/import_/test_helpers.py b/Lib/test/test_importlib/import_/test_helpers.py index 28cdc0e526e..550f88d1d7a 100644 --- a/Lib/test/test_importlib/import_/test_helpers.py +++ b/Lib/test/test_importlib/import_/test_helpers.py @@ -126,8 +126,6 @@ def test_gh86298_loader_is_none_and_spec_loader_is_none(self): ValueError, _bootstrap_external._bless_my_loader, bar.__dict__) - # TODO: RUSTPYTHON - @unittest.expectedFailure def test_gh86298_no_spec(self): bar = ModuleType('bar') bar.__loader__ = object() @@ -137,8 +135,6 @@ def test_gh86298_no_spec(self): DeprecationWarning, _bootstrap_external._bless_my_loader, bar.__dict__) - # TODO: RUSTPYTHON - @unittest.expectedFailure def test_gh86298_spec_is_none(self): bar = ModuleType('bar') bar.__loader__ = object() @@ -148,8 +144,6 @@ def test_gh86298_spec_is_none(self): DeprecationWarning, _bootstrap_external._bless_my_loader, bar.__dict__) - # TODO: RUSTPYTHON - @unittest.expectedFailure def test_gh86298_no_spec_loader(self): bar = ModuleType('bar') bar.__loader__ = object() @@ -159,8 +153,6 @@ def test_gh86298_no_spec_loader(self): DeprecationWarning, _bootstrap_external._bless_my_loader, bar.__dict__) - # TODO: RUSTPYTHON - @unittest.expectedFailure def test_gh86298_loader_and_spec_loader_disagree(self): bar = ModuleType('bar') bar.__loader__ = object() diff --git a/Lib/test/test_importlib/import_/test_meta_path.py b/Lib/test/test_importlib/import_/test_meta_path.py index 26e7b070b95..8689017ba43 100644 --- a/Lib/test/test_importlib/import_/test_meta_path.py +++ b/Lib/test/test_importlib/import_/test_meta_path.py @@ -30,8 +30,6 @@ def test_continuing(self): with util.import_state(meta_path=[first, second]): self.assertIs(self.__import__(mod_name), second.modules[mod_name]) - # TODO: RUSTPYTHON - @unittest.expectedFailure def test_empty(self): # Raise an ImportWarning if sys.meta_path is empty. module_name = 'nothing' diff --git a/Lib/test/test_importlib/import_/test_packages.py b/Lib/test/test_importlib/import_/test_packages.py index eb0831f7d6d..0c29d608326 100644 --- a/Lib/test/test_importlib/import_/test_packages.py +++ b/Lib/test/test_importlib/import_/test_packages.py @@ -1,7 +1,6 @@ from test.test_importlib import util import sys import unittest -from test import support from test.support import import_helper diff --git a/Lib/test/test_importlib/import_/test_path.py b/Lib/test/test_importlib/import_/test_path.py index 9cf3a77cb84..89b52fbd1e1 100644 --- a/Lib/test/test_importlib/import_/test_path.py +++ b/Lib/test/test_importlib/import_/test_path.py @@ -68,8 +68,6 @@ def test_path_hooks(self): self.assertIn(path, sys.path_importer_cache) self.assertIs(sys.path_importer_cache[path], importer) - # TODO: RUSTPYTHON - @unittest.expectedFailure def test_empty_path_hooks(self): # Test that if sys.path_hooks is empty a warning is raised, # sys.path_importer_cache gets None set, and PathFinder returns None. diff --git a/Lib/test/test_importlib/metadata/__init__.py b/Lib/test/test_importlib/metadata/__init__.py new file mode 100644 index 00000000000..e69de29bb2d diff --git a/Lib/test/test_importlib/metadata/_context.py b/Lib/test/test_importlib/metadata/_context.py new file mode 100644 index 00000000000..8a53eb55d15 --- /dev/null +++ b/Lib/test/test_importlib/metadata/_context.py @@ -0,0 +1,13 @@ +import contextlib + + +# from jaraco.context 4.3 +class suppress(contextlib.suppress, contextlib.ContextDecorator): + """ + A version of contextlib.suppress with decorator support. + + >>> @suppress(KeyError) + ... def key_error(): + ... {}[''] + >>> key_error() + """ diff --git a/Lib/test/test_importlib/metadata/_path.py b/Lib/test/test_importlib/metadata/_path.py new file mode 100644 index 00000000000..b3cfb9cd549 --- /dev/null +++ b/Lib/test/test_importlib/metadata/_path.py @@ -0,0 +1,115 @@ +# from jaraco.path 3.7 + +import functools +import pathlib +from typing import Dict, Protocol, Union +from typing import runtime_checkable + + +class Symlink(str): + """ + A string indicating the target of a symlink. + """ + + +FilesSpec = Dict[str, Union[str, bytes, Symlink, 'FilesSpec']] # type: ignore + + +@runtime_checkable +class TreeMaker(Protocol): + def __truediv__(self, *args, **kwargs): ... # pragma: no cover + + def mkdir(self, **kwargs): ... # pragma: no cover + + def write_text(self, content, **kwargs): ... # pragma: no cover + + def write_bytes(self, content): ... # pragma: no cover + + def symlink_to(self, target): ... # pragma: no cover + + +def _ensure_tree_maker(obj: Union[str, TreeMaker]) -> TreeMaker: + return obj if isinstance(obj, TreeMaker) else pathlib.Path(obj) # type: ignore + + +def build( + spec: FilesSpec, + prefix: Union[str, TreeMaker] = pathlib.Path(), # type: ignore +): + """ + Build a set of files/directories, as described by the spec. + + Each key represents a pathname, and the value represents + the content. Content may be a nested directory. + + >>> spec = { + ... 'README.txt': "A README file", + ... "foo": { + ... "__init__.py": "", + ... "bar": { + ... "__init__.py": "", + ... }, + ... "baz.py": "# Some code", + ... "bar.py": Symlink("baz.py"), + ... }, + ... "bing": Symlink("foo"), + ... } + >>> target = getfixture('tmp_path') + >>> build(spec, target) + >>> target.joinpath('foo/baz.py').read_text(encoding='utf-8') + '# Some code' + >>> target.joinpath('bing/bar.py').read_text(encoding='utf-8') + '# Some code' + """ + for name, contents in spec.items(): + create(contents, _ensure_tree_maker(prefix) / name) + + +@functools.singledispatch +def create(content: Union[str, bytes, FilesSpec], path): + path.mkdir(exist_ok=True) + build(content, prefix=path) # type: ignore + + +@create.register +def _(content: bytes, path): + path.write_bytes(content) + + +@create.register +def _(content: str, path): + path.write_text(content, encoding='utf-8') + + +@create.register +def _(content: Symlink, path): + path.symlink_to(content) + + +class Recording: + """ + A TreeMaker object that records everything that would be written. + + >>> r = Recording() + >>> build({'foo': {'foo1.txt': 'yes'}, 'bar.txt': 'abc'}, r) + >>> r.record + ['foo/foo1.txt', 'bar.txt'] + """ + + def __init__(self, loc=pathlib.PurePosixPath(), record=None): + self.loc = loc + self.record = record if record is not None else [] + + def __truediv__(self, other): + return Recording(self.loc / other, self.record) + + def write_text(self, content, **kwargs): + self.record.append(str(self.loc)) + + write_bytes = write_text + + def mkdir(self, **kwargs): + return + + def symlink_to(self, target): + pass diff --git a/Lib/test/test_importlib/metadata/data/__init__.py b/Lib/test/test_importlib/metadata/data/__init__.py new file mode 100644 index 00000000000..e69de29bb2d diff --git a/Lib/test/test_importlib/metadata/data/example-21.12-py3-none-any.whl b/Lib/test/test_importlib/metadata/data/example-21.12-py3-none-any.whl new file mode 100644 index 0000000000000000000000000000000000000000..641ab07f7aadd5c3ffe199b1e397b84504444994 GIT binary patch literal 1455 zcmWIWW@Zs#U|`^2sH#5hC#89?LJ`OVVPPOntw_u*$Vt_YkI&4@EQycTE2#AL^bJ1Y 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b/Lib/test/test_importlib/metadata/data/sources/example/setup.py @@ -0,0 +1,11 @@ +from setuptools import setup + +setup( + name='example', + version='21.12', + license='Apache Software License', + packages=['example'], + entry_points={ + 'console_scripts': ['example = example:main', 'Example=example:main'], + }, +) diff --git a/Lib/test/test_importlib/metadata/data/sources/example2/example2/__init__.py b/Lib/test/test_importlib/metadata/data/sources/example2/example2/__init__.py new file mode 100644 index 00000000000..de645c2e8bc --- /dev/null +++ b/Lib/test/test_importlib/metadata/data/sources/example2/example2/__init__.py @@ -0,0 +1,2 @@ +def main(): + return "example" diff --git a/Lib/test/test_importlib/metadata/data/sources/example2/pyproject.toml b/Lib/test/test_importlib/metadata/data/sources/example2/pyproject.toml new file mode 100644 index 00000000000..011f4751fb9 --- /dev/null +++ b/Lib/test/test_importlib/metadata/data/sources/example2/pyproject.toml @@ -0,0 +1,10 @@ +[build-system] +build-backend = 'trampolim' +requires = ['trampolim'] + +[project] +name = 'example2' +version = '1.0.0' + +[project.scripts] +example = 'example2:main' diff --git a/Lib/test/test_importlib/metadata/fixtures.py b/Lib/test/test_importlib/metadata/fixtures.py new file mode 100644 index 00000000000..2db6c40ffc2 --- /dev/null +++ b/Lib/test/test_importlib/metadata/fixtures.py @@ -0,0 +1,414 @@ +import os +import sys +import copy +import json +import shutil +import pathlib +import tempfile +import textwrap +import functools +import contextlib + +from test.support import import_helper +from test.support import os_helper +from test.support import requires_zlib + +from . import _path +from ._path import FilesSpec + + +try: + from importlib import resources # type: ignore + + getattr(resources, 'files') + getattr(resources, 'as_file') +except (ImportError, AttributeError): + import importlib_resources as resources # type: ignore + + +@contextlib.contextmanager +def tempdir(): + tmpdir = tempfile.mkdtemp() + try: + yield pathlib.Path(tmpdir) + finally: + shutil.rmtree(tmpdir) + + +@contextlib.contextmanager +def save_cwd(): + orig = os.getcwd() + try: + yield + finally: + os.chdir(orig) + + +@contextlib.contextmanager +def tempdir_as_cwd(): + with tempdir() as tmp: + with save_cwd(): + os.chdir(str(tmp)) + yield tmp + + +@contextlib.contextmanager +def install_finder(finder): + sys.meta_path.append(finder) + try: + yield + finally: + sys.meta_path.remove(finder) + + +class Fixtures: + def setUp(self): + self.fixtures = contextlib.ExitStack() + self.addCleanup(self.fixtures.close) + + +class SiteDir(Fixtures): + def setUp(self): + super().setUp() + self.site_dir = self.fixtures.enter_context(tempdir()) + + +class OnSysPath(Fixtures): + @staticmethod + @contextlib.contextmanager + def add_sys_path(dir): + sys.path[:0] = [str(dir)] + try: + yield + finally: + sys.path.remove(str(dir)) + + def setUp(self): + super().setUp() + self.fixtures.enter_context(self.add_sys_path(self.site_dir)) + self.fixtures.enter_context(import_helper.isolated_modules()) + + +class SiteBuilder(SiteDir): + def setUp(self): + super().setUp() + for cls in self.__class__.mro(): + with contextlib.suppress(AttributeError): + build_files(cls.files, prefix=self.site_dir) + + +class DistInfoPkg(OnSysPath, SiteBuilder): + files: FilesSpec = { + "distinfo_pkg-1.0.0.dist-info": { + "METADATA": """ + Name: distinfo-pkg + Author: Steven Ma + Version: 1.0.0 + Requires-Dist: wheel >= 1.0 + Requires-Dist: pytest; extra == 'test' + Keywords: sample package + + Once upon a time + There was a distinfo pkg + """, + "RECORD": "mod.py,sha256=abc,20\n", + "entry_points.txt": """ + [entries] + main = mod:main + ns:sub = mod:main + """, + }, + "mod.py": """ + def main(): + print("hello world") + """, + } + + def make_uppercase(self): + """ + Rewrite metadata with everything uppercase. + """ + shutil.rmtree(self.site_dir / "distinfo_pkg-1.0.0.dist-info") + files = copy.deepcopy(DistInfoPkg.files) + info = files["distinfo_pkg-1.0.0.dist-info"] + info["METADATA"] = info["METADATA"].upper() + build_files(files, self.site_dir) + + +class DistInfoPkgEditable(DistInfoPkg): + """ + Package with a PEP 660 direct_url.json. + """ + + some_hash = '524127ce937f7cb65665130c695abd18ca386f60bb29687efb976faa1596fdcc' + files: FilesSpec = { + 'distinfo_pkg-1.0.0.dist-info': { + 'direct_url.json': json.dumps({ + "archive_info": { + "hash": f"sha256={some_hash}", + "hashes": {"sha256": f"{some_hash}"}, + }, + "url": "file:///path/to/distinfo_pkg-1.0.0.editable-py3-none-any.whl", + }) + }, + } + + +class DistInfoPkgWithDot(OnSysPath, SiteBuilder): + files: FilesSpec = { + "pkg_dot-1.0.0.dist-info": { + "METADATA": """ + Name: pkg.dot + Version: 1.0.0 + """, + }, + } + + +class DistInfoPkgWithDotLegacy(OnSysPath, SiteBuilder): + files: FilesSpec = { + "pkg.dot-1.0.0.dist-info": { + "METADATA": """ + Name: pkg.dot + Version: 1.0.0 + """, + }, + "pkg.lot.egg-info": { + "METADATA": """ + Name: pkg.lot + Version: 1.0.0 + """, + }, + } + + +class DistInfoPkgOffPath(SiteBuilder): + files = DistInfoPkg.files + + +class EggInfoPkg(OnSysPath, SiteBuilder): + files: FilesSpec = { + "egginfo_pkg.egg-info": { + "PKG-INFO": """ + Name: egginfo-pkg + Author: Steven Ma + License: Unknown + Version: 1.0.0 + Classifier: Intended Audience :: Developers + Classifier: Topic :: Software Development :: Libraries + Keywords: sample package + Description: Once upon a time + There was an egginfo package + """, + "SOURCES.txt": """ + mod.py + egginfo_pkg.egg-info/top_level.txt + """, + "entry_points.txt": """ + [entries] + main = mod:main + """, + "requires.txt": """ + wheel >= 1.0; python_version >= "2.7" + [test] + pytest + """, + "top_level.txt": "mod\n", + }, + "mod.py": """ + def main(): + print("hello world") + """, + } + + +class EggInfoPkgPipInstalledNoToplevel(OnSysPath, SiteBuilder): + files: FilesSpec = { + "egg_with_module_pkg.egg-info": { + "PKG-INFO": "Name: egg_with_module-pkg", + # SOURCES.txt is made from the source archive, and contains files + # (setup.py) that are not present after installation. + "SOURCES.txt": """ + egg_with_module.py + setup.py + egg_with_module_pkg.egg-info/PKG-INFO + egg_with_module_pkg.egg-info/SOURCES.txt + egg_with_module_pkg.egg-info/top_level.txt + """, + # installed-files.txt is written by pip, and is a strictly more + # accurate source than SOURCES.txt as to the installed contents of + # the package. + "installed-files.txt": """ + ../egg_with_module.py + PKG-INFO + SOURCES.txt + top_level.txt + """, + # missing top_level.txt (to trigger fallback to installed-files.txt) + }, + "egg_with_module.py": """ + def main(): + print("hello world") + """, + } + + +class EggInfoPkgPipInstalledExternalDataFiles(OnSysPath, SiteBuilder): + files: FilesSpec = { + "egg_with_module_pkg.egg-info": { + "PKG-INFO": "Name: egg_with_module-pkg", + # SOURCES.txt is made from the source archive, and contains files + # (setup.py) that are not present after installation. + "SOURCES.txt": """ + egg_with_module.py + setup.py + egg_with_module.json + egg_with_module_pkg.egg-info/PKG-INFO + egg_with_module_pkg.egg-info/SOURCES.txt + egg_with_module_pkg.egg-info/top_level.txt + """, + # installed-files.txt is written by pip, and is a strictly more + # accurate source than SOURCES.txt as to the installed contents of + # the package. + "installed-files.txt": """ + ../../../etc/jupyter/jupyter_notebook_config.d/relative.json + /etc/jupyter/jupyter_notebook_config.d/absolute.json + ../egg_with_module.py + PKG-INFO + SOURCES.txt + top_level.txt + """, + # missing top_level.txt (to trigger fallback to installed-files.txt) + }, + "egg_with_module.py": """ + def main(): + print("hello world") + """, + } + + +class EggInfoPkgPipInstalledNoModules(OnSysPath, SiteBuilder): + files: FilesSpec = { + "egg_with_no_modules_pkg.egg-info": { + "PKG-INFO": "Name: egg_with_no_modules-pkg", + # SOURCES.txt is made from the source archive, and contains files + # (setup.py) that are not present after installation. + "SOURCES.txt": """ + setup.py + egg_with_no_modules_pkg.egg-info/PKG-INFO + egg_with_no_modules_pkg.egg-info/SOURCES.txt + egg_with_no_modules_pkg.egg-info/top_level.txt + """, + # installed-files.txt is written by pip, and is a strictly more + # accurate source than SOURCES.txt as to the installed contents of + # the package. + "installed-files.txt": """ + PKG-INFO + SOURCES.txt + top_level.txt + """, + # top_level.txt correctly reflects that no modules are installed + "top_level.txt": b"\n", + }, + } + + +class EggInfoPkgSourcesFallback(OnSysPath, SiteBuilder): + files: FilesSpec = { + "sources_fallback_pkg.egg-info": { + "PKG-INFO": "Name: sources_fallback-pkg", + # SOURCES.txt is made from the source archive, and contains files + # (setup.py) that are not present after installation. + "SOURCES.txt": """ + sources_fallback.py + setup.py + sources_fallback_pkg.egg-info/PKG-INFO + sources_fallback_pkg.egg-info/SOURCES.txt + """, + # missing installed-files.txt (i.e. not installed by pip) and + # missing top_level.txt (to trigger fallback to SOURCES.txt) + }, + "sources_fallback.py": """ + def main(): + print("hello world") + """, + } + + +class EggInfoFile(OnSysPath, SiteBuilder): + files: FilesSpec = { + "egginfo_file.egg-info": """ + Metadata-Version: 1.0 + Name: egginfo_file + Version: 0.1 + Summary: An example package + Home-page: www.example.com + Author: Eric Haffa-Vee + Author-email: eric@example.coms + License: UNKNOWN + Description: UNKNOWN + Platform: UNKNOWN + """, + } + + +# dedent all text strings before writing +orig = _path.create.registry[str] +_path.create.register(str, lambda content, path: orig(DALS(content), path)) + + +build_files = _path.build + + +def build_record(file_defs): + return ''.join(f'{name},,\n' for name in record_names(file_defs)) + + +def record_names(file_defs): + recording = _path.Recording() + _path.build(file_defs, recording) + return recording.record + + +class FileBuilder: + def unicode_filename(self): + return os_helper.FS_NONASCII or self.skip( + "File system does not support non-ascii." + ) + + +def DALS(str): + "Dedent and left-strip" + return textwrap.dedent(str).lstrip() + + +@requires_zlib() +class ZipFixtures: + root = 'test.test_importlib.metadata.data' + + def _fixture_on_path(self, filename): + pkg_file = resources.files(self.root).joinpath(filename) + file = self.resources.enter_context(resources.as_file(pkg_file)) + assert file.name.startswith('example'), file.name + sys.path.insert(0, str(file)) + self.resources.callback(sys.path.pop, 0) + + def setUp(self): + # Add self.zip_name to the front of sys.path. + self.resources = contextlib.ExitStack() + self.addCleanup(self.resources.close) + + +def parameterize(*args_set): + """Run test method with a series of parameters.""" + + def wrapper(func): + @functools.wraps(func) + def _inner(self): + for args in args_set: + with self.subTest(**args): + func(self, **args) + + return _inner + + return wrapper diff --git a/Lib/test/test_importlib/metadata/stubs.py b/Lib/test/test_importlib/metadata/stubs.py new file mode 100644 index 00000000000..e5b011c399f --- /dev/null +++ b/Lib/test/test_importlib/metadata/stubs.py @@ -0,0 +1,10 @@ +import unittest + + +class fake_filesystem_unittest: + """ + Stubbed version of the pyfakefs module + """ + class TestCase(unittest.TestCase): + def setUpPyfakefs(self): + self.skipTest("pyfakefs not available") diff --git a/Lib/test/test_importlib/metadata/test_api.py b/Lib/test/test_importlib/metadata/test_api.py new file mode 100644 index 00000000000..29b261baba4 --- /dev/null +++ b/Lib/test/test_importlib/metadata/test_api.py @@ -0,0 +1,323 @@ +import re +import textwrap +import unittest +import warnings +import importlib +import contextlib + +from . import fixtures +from importlib.metadata import ( + Distribution, + PackageNotFoundError, + distribution, + entry_points, + files, + metadata, + requires, + version, +) + + +@contextlib.contextmanager +def suppress_known_deprecation(): + with warnings.catch_warnings(record=True) as ctx: + warnings.simplefilter('default', category=DeprecationWarning) + yield ctx + + +class APITests( + fixtures.EggInfoPkg, + fixtures.EggInfoPkgPipInstalledNoToplevel, + fixtures.EggInfoPkgPipInstalledNoModules, + fixtures.EggInfoPkgPipInstalledExternalDataFiles, + fixtures.EggInfoPkgSourcesFallback, + fixtures.DistInfoPkg, + fixtures.DistInfoPkgWithDot, + fixtures.EggInfoFile, + unittest.TestCase, +): + version_pattern = r'\d+\.\d+(\.\d)?' + + def test_retrieves_version_of_self(self): + pkg_version = version('egginfo-pkg') + assert isinstance(pkg_version, str) + assert re.match(self.version_pattern, pkg_version) + + def test_retrieves_version_of_distinfo_pkg(self): + pkg_version = version('distinfo-pkg') + assert isinstance(pkg_version, str) + assert re.match(self.version_pattern, pkg_version) + + def test_for_name_does_not_exist(self): + with self.assertRaises(PackageNotFoundError): + distribution('does-not-exist') + + def test_name_normalization(self): + names = 'pkg.dot', 'pkg_dot', 'pkg-dot', 'pkg..dot', 'Pkg.Dot' + for name in names: + with self.subTest(name): + assert distribution(name).metadata['Name'] == 'pkg.dot' + + def test_prefix_not_matched(self): + prefixes = 'p', 'pkg', 'pkg.' + for prefix in prefixes: + with self.subTest(prefix): + with self.assertRaises(PackageNotFoundError): + distribution(prefix) + + def test_for_top_level(self): + tests = [ + ('egginfo-pkg', 'mod'), + ('egg_with_no_modules-pkg', ''), + ] + for pkg_name, expect_content in tests: + with self.subTest(pkg_name): + self.assertEqual( + distribution(pkg_name).read_text('top_level.txt').strip(), + expect_content, + ) + + def test_read_text(self): + tests = [ + ('egginfo-pkg', 'mod\n'), + ('egg_with_no_modules-pkg', '\n'), + ] + for pkg_name, expect_content in tests: + with self.subTest(pkg_name): + top_level = [ + path for path in files(pkg_name) if path.name == 'top_level.txt' + ][0] + self.assertEqual(top_level.read_text(), expect_content) + + def test_entry_points(self): + eps = entry_points() + assert 'entries' in eps.groups + entries = eps.select(group='entries') + assert 'main' in entries.names + ep = entries['main'] + self.assertEqual(ep.value, 'mod:main') + self.assertEqual(ep.extras, []) + + def test_entry_points_distribution(self): + entries = entry_points(group='entries') + for entry in ("main", "ns:sub"): + ep = entries[entry] + self.assertIn(ep.dist.name, ('distinfo-pkg', 'egginfo-pkg')) + self.assertEqual(ep.dist.version, "1.0.0") + + def test_entry_points_unique_packages_normalized(self): + """ + Entry points should only be exposed for the first package + on sys.path with a given name (even when normalized). + """ + alt_site_dir = self.fixtures.enter_context(fixtures.tempdir()) + self.fixtures.enter_context(self.add_sys_path(alt_site_dir)) + alt_pkg = { + "DistInfo_pkg-1.1.0.dist-info": { + "METADATA": """ + Name: distinfo-pkg + Version: 1.1.0 + """, + "entry_points.txt": """ + [entries] + main = mod:altmain + """, + }, + } + fixtures.build_files(alt_pkg, alt_site_dir) + entries = entry_points(group='entries') + assert not any( + ep.dist.name == 'distinfo-pkg' and ep.dist.version == '1.0.0' + for ep in entries + ) + # ns:sub doesn't exist in alt_pkg + assert 'ns:sub' not in entries.names + + def test_entry_points_missing_name(self): + with self.assertRaises(KeyError): + entry_points(group='entries')['missing'] + + def test_entry_points_missing_group(self): + assert entry_points(group='missing') == () + + def test_entry_points_allows_no_attributes(self): + ep = entry_points().select(group='entries', name='main') + with self.assertRaises(AttributeError): + ep.foo = 4 + + def test_metadata_for_this_package(self): + md = metadata('egginfo-pkg') + assert md['author'] == 'Steven Ma' + assert md['LICENSE'] == 'Unknown' + assert md['Name'] == 'egginfo-pkg' + classifiers = md.get_all('Classifier') + assert 'Topic :: Software Development :: Libraries' in classifiers + + def test_missing_key_legacy(self): + """ + Requesting a missing key will still return None, but warn. + """ + md = metadata('distinfo-pkg') + with suppress_known_deprecation(): + assert md['does-not-exist'] is None + + def test_get_key(self): + """ + Getting a key gets the key. + """ + md = metadata('egginfo-pkg') + assert md.get('Name') == 'egginfo-pkg' + + def test_get_missing_key(self): + """ + Requesting a missing key will return None. + """ + md = metadata('distinfo-pkg') + assert md.get('does-not-exist') is None + + @staticmethod + def _test_files(files): + root = files[0].root + for file in files: + assert file.root == root + assert not file.hash or file.hash.value + assert not file.hash or file.hash.mode == 'sha256' + assert not file.size or file.size >= 0 + assert file.locate().exists() + assert isinstance(file.read_binary(), bytes) + if file.name.endswith('.py'): + file.read_text() + + def test_file_hash_repr(self): + util = [p for p in files('distinfo-pkg') if p.name == 'mod.py'][0] + self.assertRegex(repr(util.hash), '') + + def test_files_dist_info(self): + self._test_files(files('distinfo-pkg')) + + def test_files_egg_info(self): + self._test_files(files('egginfo-pkg')) + self._test_files(files('egg_with_module-pkg')) + self._test_files(files('egg_with_no_modules-pkg')) + self._test_files(files('sources_fallback-pkg')) + + def test_version_egg_info_file(self): + self.assertEqual(version('egginfo-file'), '0.1') + + def test_requires_egg_info_file(self): + requirements = requires('egginfo-file') + self.assertIsNone(requirements) + + def test_requires_egg_info(self): + deps = requires('egginfo-pkg') + assert len(deps) == 2 + assert any(dep == 'wheel >= 1.0; python_version >= "2.7"' for dep in deps) + + def test_requires_egg_info_empty(self): + fixtures.build_files( + { + 'requires.txt': '', + }, + self.site_dir.joinpath('egginfo_pkg.egg-info'), + ) + deps = requires('egginfo-pkg') + assert deps == [] + + def test_requires_dist_info(self): + deps = requires('distinfo-pkg') + assert len(deps) == 2 + assert all(deps) + assert 'wheel >= 1.0' in deps + assert "pytest; extra == 'test'" in deps + + def test_more_complex_deps_requires_text(self): + requires = textwrap.dedent( + """ + dep1 + dep2 + + [:python_version < "3"] + dep3 + + [extra1] + dep4 + dep6@ git+https://example.com/python/dep.git@v1.0.0 + + [extra2:python_version < "3"] + dep5 + """ + ) + deps = sorted(Distribution._deps_from_requires_text(requires)) + expected = [ + 'dep1', + 'dep2', + 'dep3; python_version < "3"', + 'dep4; extra == "extra1"', + 'dep5; (python_version < "3") and extra == "extra2"', + 'dep6@ git+https://example.com/python/dep.git@v1.0.0 ; extra == "extra1"', + ] + # It's important that the environment marker expression be + # wrapped in parentheses to avoid the following 'and' binding more + # tightly than some other part of the environment expression. + + assert deps == expected + + def test_as_json(self): + md = metadata('distinfo-pkg').json + assert 'name' in md + assert md['keywords'] == ['sample', 'package'] + desc = md['description'] + assert desc.startswith('Once upon a time\nThere was') + assert len(md['requires_dist']) == 2 + + def test_as_json_egg_info(self): + md = metadata('egginfo-pkg').json + assert 'name' in md + assert md['keywords'] == ['sample', 'package'] + desc = md['description'] + assert desc.startswith('Once upon a time\nThere was') + assert len(md['classifier']) == 2 + + def test_as_json_odd_case(self): + self.make_uppercase() + md = metadata('distinfo-pkg').json + assert 'name' in md + assert len(md['requires_dist']) == 2 + assert md['keywords'] == ['SAMPLE', 'PACKAGE'] + + +class LegacyDots(fixtures.DistInfoPkgWithDotLegacy, unittest.TestCase): + def test_name_normalization(self): + names = 'pkg.dot', 'pkg_dot', 'pkg-dot', 'pkg..dot', 'Pkg.Dot' + for name in names: + with self.subTest(name): + assert distribution(name).metadata['Name'] == 'pkg.dot' + + def test_name_normalization_versionless_egg_info(self): + names = 'pkg.lot', 'pkg_lot', 'pkg-lot', 'pkg..lot', 'Pkg.Lot' + for name in names: + with self.subTest(name): + assert distribution(name).metadata['Name'] == 'pkg.lot' + + +class OffSysPathTests(fixtures.DistInfoPkgOffPath, unittest.TestCase): + def test_find_distributions_specified_path(self): + dists = Distribution.discover(path=[str(self.site_dir)]) + assert any(dist.metadata['Name'] == 'distinfo-pkg' for dist in dists) + + def test_distribution_at_pathlib(self): + """Demonstrate how to load metadata direct from a directory.""" + dist_info_path = self.site_dir / 'distinfo_pkg-1.0.0.dist-info' + dist = Distribution.at(dist_info_path) + assert dist.version == '1.0.0' + + def test_distribution_at_str(self): + dist_info_path = self.site_dir / 'distinfo_pkg-1.0.0.dist-info' + dist = Distribution.at(str(dist_info_path)) + assert dist.version == '1.0.0' + + +class InvalidateCache(unittest.TestCase): + def test_invalidate_cache(self): + # No externally observable behavior, but ensures test coverage... + importlib.invalidate_caches() diff --git a/Lib/test/test_importlib/metadata/test_main.py b/Lib/test/test_importlib/metadata/test_main.py new file mode 100644 index 00000000000..c4accaeb9ba --- /dev/null +++ b/Lib/test/test_importlib/metadata/test_main.py @@ -0,0 +1,468 @@ +import re +import pickle +import unittest +import warnings +import importlib +import importlib.metadata +import contextlib +from test.support import os_helper + +try: + import pyfakefs.fake_filesystem_unittest as ffs +except ImportError: + from .stubs import fake_filesystem_unittest as ffs + +from . import fixtures +from ._context import suppress +from ._path import Symlink +from importlib.metadata import ( + Distribution, + EntryPoint, + PackageNotFoundError, + _unique, + distributions, + entry_points, + metadata, + packages_distributions, + version, +) + + +@contextlib.contextmanager +def suppress_known_deprecation(): + with warnings.catch_warnings(record=True) as ctx: + warnings.simplefilter('default', category=DeprecationWarning) + yield ctx + + +class BasicTests(fixtures.DistInfoPkg, unittest.TestCase): + version_pattern = r'\d+\.\d+(\.\d)?' + + def test_retrieves_version_of_self(self): + dist = Distribution.from_name('distinfo-pkg') + assert isinstance(dist.version, str) + assert re.match(self.version_pattern, dist.version) + + def test_for_name_does_not_exist(self): + with self.assertRaises(PackageNotFoundError): + Distribution.from_name('does-not-exist') + + def test_package_not_found_mentions_metadata(self): + """ + When a package is not found, that could indicate that the + package is not installed or that it is installed without + metadata. Ensure the exception mentions metadata to help + guide users toward the cause. See #124. + """ + with self.assertRaises(PackageNotFoundError) as ctx: + Distribution.from_name('does-not-exist') + + assert "metadata" in str(ctx.exception) + + # expected to fail until ABC is enforced + @suppress(AssertionError) + @suppress_known_deprecation() + def test_abc_enforced(self): + with self.assertRaises(TypeError): + type('DistributionSubclass', (Distribution,), {})() + + @fixtures.parameterize( + dict(name=None), + dict(name=''), + ) + def test_invalid_inputs_to_from_name(self, name): + with self.assertRaises(Exception): + Distribution.from_name(name) + + +class ImportTests(fixtures.DistInfoPkg, unittest.TestCase): + def test_import_nonexistent_module(self): + # Ensure that the MetadataPathFinder does not crash an import of a + # non-existent module. + with self.assertRaises(ImportError): + importlib.import_module('does_not_exist') + + def test_resolve(self): + ep = entry_points(group='entries')['main'] + self.assertEqual(ep.load().__name__, "main") + + def test_entrypoint_with_colon_in_name(self): + ep = entry_points(group='entries')['ns:sub'] + self.assertEqual(ep.value, 'mod:main') + + def test_resolve_without_attr(self): + ep = EntryPoint( + name='ep', + value='importlib.metadata', + group='grp', + ) + assert ep.load() is importlib.metadata + + +class NameNormalizationTests(fixtures.OnSysPath, fixtures.SiteDir, unittest.TestCase): + @staticmethod + def make_pkg(name): + """ + Create minimal metadata for a dist-info package with + the indicated name on the file system. + """ + return { + f'{name}.dist-info': { + 'METADATA': 'VERSION: 1.0\n', + }, + } + + def test_dashes_in_dist_name_found_as_underscores(self): + """ + For a package with a dash in the name, the dist-info metadata + uses underscores in the name. Ensure the metadata loads. + """ + fixtures.build_files(self.make_pkg('my_pkg'), self.site_dir) + assert version('my-pkg') == '1.0' + + def test_dist_name_found_as_any_case(self): + """ + Ensure the metadata loads when queried with any case. + """ + pkg_name = 'CherryPy' + fixtures.build_files(self.make_pkg(pkg_name), self.site_dir) + assert version(pkg_name) == '1.0' + assert version(pkg_name.lower()) == '1.0' + assert version(pkg_name.upper()) == '1.0' + + def test_unique_distributions(self): + """ + Two distributions varying only by non-normalized name on + the file system should resolve as the same. + """ + fixtures.build_files(self.make_pkg('abc'), self.site_dir) + before = list(_unique(distributions())) + + alt_site_dir = self.fixtures.enter_context(fixtures.tempdir()) + self.fixtures.enter_context(self.add_sys_path(alt_site_dir)) + fixtures.build_files(self.make_pkg('ABC'), alt_site_dir) + after = list(_unique(distributions())) + + assert len(after) == len(before) + + +class NonASCIITests(fixtures.OnSysPath, fixtures.SiteDir, unittest.TestCase): + @staticmethod + def pkg_with_non_ascii_description(site_dir): + """ + Create minimal metadata for a package with non-ASCII in + the description. + """ + contents = { + 'portend.dist-info': { + 'METADATA': 'Description: pôrˈtend', + }, + } + fixtures.build_files(contents, site_dir) + return 'portend' + + @staticmethod + def pkg_with_non_ascii_description_egg_info(site_dir): + """ + Create minimal metadata for an egg-info package with + non-ASCII in the description. + """ + contents = { + 'portend.dist-info': { + 'METADATA': """ + Name: portend + + pôrˈtend""", + }, + } + fixtures.build_files(contents, site_dir) + return 'portend' + + def test_metadata_loads(self): + pkg_name = self.pkg_with_non_ascii_description(self.site_dir) + meta = metadata(pkg_name) + assert meta['Description'] == 'pôrˈtend' + + def test_metadata_loads_egg_info(self): + pkg_name = self.pkg_with_non_ascii_description_egg_info(self.site_dir) + meta = metadata(pkg_name) + assert meta['Description'] == 'pôrˈtend' + + +class DiscoveryTests( + fixtures.EggInfoPkg, + fixtures.EggInfoPkgPipInstalledNoToplevel, + fixtures.EggInfoPkgPipInstalledNoModules, + fixtures.EggInfoPkgSourcesFallback, + fixtures.DistInfoPkg, + unittest.TestCase, +): + def test_package_discovery(self): + dists = list(distributions()) + assert all(isinstance(dist, Distribution) for dist in dists) + assert any(dist.metadata['Name'] == 'egginfo-pkg' for dist in dists) + assert any(dist.metadata['Name'] == 'egg_with_module-pkg' for dist in dists) + assert any(dist.metadata['Name'] == 'egg_with_no_modules-pkg' for dist in dists) + assert any(dist.metadata['Name'] == 'sources_fallback-pkg' for dist in dists) + assert any(dist.metadata['Name'] == 'distinfo-pkg' for dist in dists) + + def test_invalid_usage(self): + with self.assertRaises(ValueError): + list(distributions(context='something', name='else')) + + def test_interleaved_discovery(self): + """ + Ensure interleaved searches are safe. + + When the search is cached, it is possible for searches to be + interleaved, so make sure those use-cases are safe. + + Ref #293 + """ + dists = distributions() + next(dists) + version('egginfo-pkg') + next(dists) + + +class DirectoryTest(fixtures.OnSysPath, fixtures.SiteDir, unittest.TestCase): + def test_egg_info(self): + # make an `EGG-INFO` directory that's unrelated + self.site_dir.joinpath('EGG-INFO').mkdir() + # used to crash with `IsADirectoryError` + with self.assertRaises(PackageNotFoundError): + version('unknown-package') + + def test_egg(self): + egg = self.site_dir.joinpath('foo-3.6.egg') + egg.mkdir() + with self.add_sys_path(egg): + with self.assertRaises(PackageNotFoundError): + version('foo') + + +class MissingSysPath(fixtures.OnSysPath, unittest.TestCase): + site_dir = '/does-not-exist' + + def test_discovery(self): + """ + Discovering distributions should succeed even if + there is an invalid path on sys.path. + """ + importlib.metadata.distributions() + + +class InaccessibleSysPath(fixtures.OnSysPath, ffs.TestCase): + site_dir = '/access-denied' + + def setUp(self): + super().setUp() + self.setUpPyfakefs() + self.fs.create_dir(self.site_dir, perm_bits=000) + + def test_discovery(self): + """ + Discovering distributions should succeed even if + there is an invalid path on sys.path. + """ + list(importlib.metadata.distributions()) + + +class TestEntryPoints(unittest.TestCase): + def __init__(self, *args): + super().__init__(*args) + self.ep = importlib.metadata.EntryPoint( + name='name', value='value', group='group' + ) + + def test_entry_point_pickleable(self): + revived = pickle.loads(pickle.dumps(self.ep)) + assert revived == self.ep + + def test_positional_args(self): + """ + Capture legacy (namedtuple) construction, discouraged. + """ + EntryPoint('name', 'value', 'group') + + def test_immutable(self): + """EntryPoints should be immutable""" + with self.assertRaises(AttributeError): + self.ep.name = 'badactor' + + def test_repr(self): + assert 'EntryPoint' in repr(self.ep) + assert 'name=' in repr(self.ep) + assert "'name'" in repr(self.ep) + + def test_hashable(self): + """EntryPoints should be hashable""" + hash(self.ep) + + def test_module(self): + assert self.ep.module == 'value' + + def test_attr(self): + assert self.ep.attr is None + + def test_sortable(self): + """ + EntryPoint objects are sortable, but result is undefined. + """ + sorted([ + EntryPoint(name='b', value='val', group='group'), + EntryPoint(name='a', value='val', group='group'), + ]) + + +class FileSystem( + fixtures.OnSysPath, fixtures.SiteDir, fixtures.FileBuilder, unittest.TestCase +): + def test_unicode_dir_on_sys_path(self): + """ + Ensure a Unicode subdirectory of a directory on sys.path + does not crash. + """ + fixtures.build_files( + {self.unicode_filename(): {}}, + prefix=self.site_dir, + ) + list(distributions()) + + +class PackagesDistributionsPrebuiltTest(fixtures.ZipFixtures, unittest.TestCase): + def test_packages_distributions_example(self): + self._fixture_on_path('example-21.12-py3-none-any.whl') + assert packages_distributions()['example'] == ['example'] + + def test_packages_distributions_example2(self): + """ + Test packages_distributions on a wheel built + by trampolim. + """ + self._fixture_on_path('example2-1.0.0-py3-none-any.whl') + assert packages_distributions()['example2'] == ['example2'] + + +class PackagesDistributionsTest( + fixtures.OnSysPath, fixtures.SiteDir, unittest.TestCase +): + def test_packages_distributions_neither_toplevel_nor_files(self): + """ + Test a package built without 'top-level.txt' or a file list. + """ + fixtures.build_files( + { + 'trim_example-1.0.0.dist-info': { + 'METADATA': """ + Name: trim_example + Version: 1.0.0 + """, + } + }, + prefix=self.site_dir, + ) + packages_distributions() + + def test_packages_distributions_all_module_types(self): + """ + Test top-level modules detected on a package without 'top-level.txt'. + """ + suffixes = importlib.machinery.all_suffixes() + metadata = dict( + METADATA=""" + Name: all_distributions + Version: 1.0.0 + """, + ) + files = { + 'all_distributions-1.0.0.dist-info': metadata, + } + for i, suffix in enumerate(suffixes): + files.update({ + f'importable-name {i}{suffix}': '', + f'in_namespace_{i}': { + f'mod{suffix}': '', + }, + f'in_package_{i}': { + '__init__.py': '', + f'mod{suffix}': '', + }, + }) + metadata.update(RECORD=fixtures.build_record(files)) + fixtures.build_files(files, prefix=self.site_dir) + + distributions = packages_distributions() + + for i in range(len(suffixes)): + assert distributions[f'importable-name {i}'] == ['all_distributions'] + assert distributions[f'in_namespace_{i}'] == ['all_distributions'] + assert distributions[f'in_package_{i}'] == ['all_distributions'] + + assert not any(name.endswith('.dist-info') for name in distributions) + + @os_helper.skip_unless_symlink + def test_packages_distributions_symlinked_top_level(self) -> None: + """ + Distribution is resolvable from a simple top-level symlink in RECORD. + See #452. + """ + + files: fixtures.FilesSpec = { + "symlinked_pkg-1.0.0.dist-info": { + "METADATA": """ + Name: symlinked-pkg + Version: 1.0.0 + """, + "RECORD": "symlinked,,\n", + }, + ".symlink.target": {}, + "symlinked": Symlink(".symlink.target"), + } + + fixtures.build_files(files, self.site_dir) + assert packages_distributions()['symlinked'] == ['symlinked-pkg'] + + +class PackagesDistributionsEggTest( + fixtures.EggInfoPkg, + fixtures.EggInfoPkgPipInstalledNoToplevel, + fixtures.EggInfoPkgPipInstalledNoModules, + fixtures.EggInfoPkgSourcesFallback, + unittest.TestCase, +): + def test_packages_distributions_on_eggs(self): + """ + Test old-style egg packages with a variation of 'top_level.txt', + 'SOURCES.txt', and 'installed-files.txt', available. + """ + distributions = packages_distributions() + + def import_names_from_package(package_name): + return { + import_name + for import_name, package_names in distributions.items() + if package_name in package_names + } + + # egginfo-pkg declares one import ('mod') via top_level.txt + assert import_names_from_package('egginfo-pkg') == {'mod'} + + # egg_with_module-pkg has one import ('egg_with_module') inferred from + # installed-files.txt (top_level.txt is missing) + assert import_names_from_package('egg_with_module-pkg') == {'egg_with_module'} + + # egg_with_no_modules-pkg should not be associated with any import names + # (top_level.txt is empty, and installed-files.txt has no .py files) + assert import_names_from_package('egg_with_no_modules-pkg') == set() + + # sources_fallback-pkg has one import ('sources_fallback') inferred from + # SOURCES.txt (top_level.txt and installed-files.txt is missing) + assert import_names_from_package('sources_fallback-pkg') == {'sources_fallback'} + + +class EditableDistributionTest(fixtures.DistInfoPkgEditable, unittest.TestCase): + def test_origin(self): + dist = Distribution.from_name('distinfo-pkg') + assert dist.origin.url.endswith('.whl') + assert dist.origin.archive_info.hashes.sha256 diff --git a/Lib/test/test_importlib/metadata/test_zip.py b/Lib/test/test_importlib/metadata/test_zip.py new file mode 100644 index 00000000000..276f6288c91 --- /dev/null +++ b/Lib/test/test_importlib/metadata/test_zip.py @@ -0,0 +1,62 @@ +import sys +import unittest + +from . import fixtures +from importlib.metadata import ( + PackageNotFoundError, + distribution, + distributions, + entry_points, + files, + version, +) + + +class TestZip(fixtures.ZipFixtures, unittest.TestCase): + def setUp(self): + super().setUp() + self._fixture_on_path('example-21.12-py3-none-any.whl') + + def test_zip_version(self): + self.assertEqual(version('example'), '21.12') + + def test_zip_version_does_not_match(self): + with self.assertRaises(PackageNotFoundError): + version('definitely-not-installed') + + def test_zip_entry_points(self): + scripts = entry_points(group='console_scripts') + entry_point = scripts['example'] + self.assertEqual(entry_point.value, 'example:main') + entry_point = scripts['Example'] + self.assertEqual(entry_point.value, 'example:main') + + def test_missing_metadata(self): + self.assertIsNone(distribution('example').read_text('does not exist')) + + def test_case_insensitive(self): + self.assertEqual(version('Example'), '21.12') + + def test_files(self): + for file in files('example'): + path = str(file.dist.locate_file(file)) + assert '.whl/' in path, path + + def test_one_distribution(self): + dists = list(distributions(path=sys.path[:1])) + assert len(dists) == 1 + + +class TestEgg(TestZip): + def setUp(self): + super().setUp() + self._fixture_on_path('example-21.12-py3.6.egg') + + def test_files(self): + for file in files('example'): + path = str(file.dist.locate_file(file)) + assert '.egg/' in path, path + + def test_normalized_name(self): + dist = distribution('example') + assert dist._normalized_name == 'example' diff --git a/Lib/test/test_importlib/resources/_path.py b/Lib/test/test_importlib/resources/_path.py index 1f97c961469..b144628cb73 100644 --- a/Lib/test/test_importlib/resources/_path.py +++ b/Lib/test/test_importlib/resources/_path.py @@ -2,15 +2,44 @@ import functools from typing import Dict, Union +from typing import runtime_checkable +from typing import Protocol #### -# from jaraco.path 3.4.1 +# from jaraco.path 3.7.1 -FilesSpec = Dict[str, Union[str, bytes, 'FilesSpec']] # type: ignore +class Symlink(str): + """ + A string indicating the target of a symlink. + """ + + +FilesSpec = Dict[str, Union[str, bytes, Symlink, 'FilesSpec']] + + +@runtime_checkable +class TreeMaker(Protocol): + def __truediv__(self, *args, **kwargs): ... # pragma: no cover + + def mkdir(self, **kwargs): ... # pragma: no cover + + def write_text(self, content, **kwargs): ... # pragma: no cover + + def write_bytes(self, content): ... # pragma: no cover -def build(spec: FilesSpec, prefix=pathlib.Path()): + def symlink_to(self, target): ... # pragma: no cover + + +def _ensure_tree_maker(obj: Union[str, TreeMaker]) -> TreeMaker: + return obj if isinstance(obj, TreeMaker) else pathlib.Path(obj) # type: ignore[return-value] + + +def build( + spec: FilesSpec, + prefix: Union[str, TreeMaker] = pathlib.Path(), # type: ignore[assignment] +): """ Build a set of files/directories, as described by the spec. @@ -25,21 +54,25 @@ def build(spec: FilesSpec, prefix=pathlib.Path()): ... "__init__.py": "", ... }, ... "baz.py": "# Some code", - ... } + ... "bar.py": Symlink("baz.py"), + ... }, + ... "bing": Symlink("foo"), ... } >>> target = getfixture('tmp_path') >>> build(spec, target) >>> target.joinpath('foo/baz.py').read_text(encoding='utf-8') '# Some code' + >>> target.joinpath('bing/bar.py').read_text(encoding='utf-8') + '# Some code' """ for name, contents in spec.items(): - create(contents, pathlib.Path(prefix) / name) + create(contents, _ensure_tree_maker(prefix) / name) @functools.singledispatch def create(content: Union[str, bytes, FilesSpec], path): path.mkdir(exist_ok=True) - build(content, prefix=path) # type: ignore + build(content, prefix=path) # type: ignore[arg-type] @create.register @@ -52,5 +85,10 @@ def _(content: str, path): path.write_text(content, encoding='utf-8') +@create.register +def _(content: Symlink, path): + path.symlink_to(content) + + # end from jaraco.path #### diff --git a/Lib/test/test_importlib/resources/test_contents.py b/Lib/test/test_importlib/resources/test_contents.py index 1a13f043a86..4e4e0e9c337 100644 --- a/Lib/test/test_importlib/resources/test_contents.py +++ b/Lib/test/test_importlib/resources/test_contents.py @@ -1,7 +1,6 @@ import unittest from importlib import resources -from . import data01 from . import util @@ -19,25 +18,21 @@ def test_contents(self): assert self.expected <= contents -class ContentsDiskTests(ContentsTests, unittest.TestCase): - def setUp(self): - self.data = data01 +class ContentsDiskTests(ContentsTests, util.DiskSetup, unittest.TestCase): + pass class ContentsZipTests(ContentsTests, util.ZipSetup, unittest.TestCase): pass -class ContentsNamespaceTests(ContentsTests, unittest.TestCase): +class ContentsNamespaceTests(ContentsTests, util.DiskSetup, unittest.TestCase): + MODULE = 'namespacedata01' + expected = { # no __init__ because of namespace design - # no subdirectory as incidental difference in fixture 'binary.file', + 'subdirectory', 'utf-16.file', 'utf-8.file', } - - def setUp(self): - from . import namespacedata01 - - self.data = namespacedata01 diff --git a/Lib/test/test_importlib/resources/test_custom.py b/Lib/test/test_importlib/resources/test_custom.py index 73127209a27..640f90fc0dd 100644 --- a/Lib/test/test_importlib/resources/test_custom.py +++ b/Lib/test/test_importlib/resources/test_custom.py @@ -5,6 +5,7 @@ from test.support import os_helper from importlib import resources +from importlib.resources import abc from importlib.resources.abc import TraversableResources, ResourceReader from . import util @@ -39,8 +40,9 @@ def setUp(self): self.addCleanup(self.fixtures.close) def test_custom_loader(self): - temp_dir = self.fixtures.enter_context(os_helper.temp_dir()) + temp_dir = pathlib.Path(self.fixtures.enter_context(os_helper.temp_dir())) loader = SimpleLoader(MagicResources(temp_dir)) pkg = util.create_package_from_loader(loader) files = resources.files(pkg) - assert files is temp_dir + assert isinstance(files, abc.Traversable) + assert list(files.iterdir()) == [] diff --git a/Lib/test/test_importlib/resources/test_files.py b/Lib/test/test_importlib/resources/test_files.py index 1450cfb3109..ef7b5795997 100644 --- a/Lib/test/test_importlib/resources/test_files.py +++ b/Lib/test/test_importlib/resources/test_files.py @@ -1,4 +1,3 @@ -import typing import textwrap import unittest import warnings @@ -7,11 +6,7 @@ from importlib import resources from importlib.resources.abc import Traversable -from . import data01 from . import util -from . import _path -from test.support import os_helper -from test.support import import_helper @contextlib.contextmanager @@ -32,13 +27,14 @@ def test_read_text(self): actual = files.joinpath('utf-8.file').read_text(encoding='utf-8') assert actual == 'Hello, UTF-8 world!\n' - @unittest.skipUnless( - hasattr(typing, 'runtime_checkable'), - "Only suitable when typing supports runtime_checkable", - ) def test_traversable(self): assert isinstance(resources.files(self.data), Traversable) + def test_joinpath_with_multiple_args(self): + files = resources.files(self.data) + binfile = files.joinpath('subdirectory', 'binary.file') + self.assertTrue(binfile.is_file()) + def test_old_parameter(self): """ Files used to take a 'package' parameter. Make sure anyone @@ -48,66 +44,116 @@ def test_old_parameter(self): resources.files(package=self.data) -class OpenDiskTests(FilesTests, unittest.TestCase): - def setUp(self): - self.data = data01 +class OpenDiskTests(FilesTests, util.DiskSetup, unittest.TestCase): + pass class OpenZipTests(FilesTests, util.ZipSetup, unittest.TestCase): pass -class OpenNamespaceTests(FilesTests, unittest.TestCase): - def setUp(self): - from . import namespacedata01 +class OpenNamespaceTests(FilesTests, util.DiskSetup, unittest.TestCase): + MODULE = 'namespacedata01' + + def test_non_paths_in_dunder_path(self): + """ + Non-path items in a namespace package's ``__path__`` are ignored. + + As reported in python/importlib_resources#311, some tools + like Setuptools, when creating editable packages, will inject + non-paths into a namespace package's ``__path__``, a + sentinel like + ``__editable__.sample_namespace-1.0.finder.__path_hook__`` + to cause the ``PathEntryFinder`` to be called when searching + for packages. In that case, resources should still be loadable. + """ + import namespacedata01 + + namespacedata01.__path__.append( + '__editable__.sample_namespace-1.0.finder.__path_hook__' + ) + + resources.files(namespacedata01) - self.data = namespacedata01 +class OpenNamespaceZipTests(FilesTests, util.ZipSetup, unittest.TestCase): + ZIP_MODULE = 'namespacedata01' -class SiteDir: - def setUp(self): - self.fixtures = contextlib.ExitStack() - self.addCleanup(self.fixtures.close) - self.site_dir = self.fixtures.enter_context(os_helper.temp_dir()) - self.fixtures.enter_context(import_helper.DirsOnSysPath(self.site_dir)) - self.fixtures.enter_context(import_helper.CleanImport()) +class DirectSpec: + """ + Override behavior of ModuleSetup to write a full spec directly. + """ + + MODULE = 'unused' + + def load_fixture(self, name): + self.tree_on_path(self.spec) + + +class ModulesFiles: + spec = { + 'mod.py': '', + 'res.txt': 'resources are the best', + } -class ModulesFilesTests(SiteDir, unittest.TestCase): def test_module_resources(self): """ A module can have resources found adjacent to the module. """ - spec = { - 'mod.py': '', - 'res.txt': 'resources are the best', - } - _path.build(spec, self.site_dir) - import mod + import mod # type: ignore[import-not-found] actual = resources.files(mod).joinpath('res.txt').read_text(encoding='utf-8') - assert actual == spec['res.txt'] + assert actual == self.spec['res.txt'] -class ImplicitContextFilesTests(SiteDir, unittest.TestCase): - def test_implicit_files(self): +class ModuleFilesDiskTests(DirectSpec, util.DiskSetup, ModulesFiles, unittest.TestCase): + pass + + +class ModuleFilesZipTests(DirectSpec, util.ZipSetup, ModulesFiles, unittest.TestCase): + pass + + +class ImplicitContextFiles: + set_val = textwrap.dedent( + """ + import importlib.resources as res + val = res.files().joinpath('res.txt').read_text(encoding='utf-8') + """ + ) + spec = { + 'somepkg': { + '__init__.py': set_val, + 'submod.py': set_val, + 'res.txt': 'resources are the best', + }, + } + + def test_implicit_files_package(self): """ Without any parameter, files() will infer the location as the caller. """ - spec = { - 'somepkg': { - '__init__.py': textwrap.dedent( - """ - import importlib.resources as res - val = res.files().joinpath('res.txt').read_text(encoding='utf-8') - """ - ), - 'res.txt': 'resources are the best', - }, - } - _path.build(spec, self.site_dir) assert importlib.import_module('somepkg').val == 'resources are the best' + def test_implicit_files_submodule(self): + """ + Without any parameter, files() will infer the location as the caller. + """ + assert importlib.import_module('somepkg.submod').val == 'resources are the best' + + +class ImplicitContextFilesDiskTests( + DirectSpec, util.DiskSetup, ImplicitContextFiles, unittest.TestCase +): + pass + + +class ImplicitContextFilesZipTests( + DirectSpec, util.ZipSetup, ImplicitContextFiles, unittest.TestCase +): + pass + if __name__ == '__main__': unittest.main() diff --git a/Lib/test/test_importlib/resources/test_functional.py b/Lib/test/test_importlib/resources/test_functional.py new file mode 100644 index 00000000000..3fc1ade35be --- /dev/null +++ b/Lib/test/test_importlib/resources/test_functional.py @@ -0,0 +1,250 @@ +import unittest +import os +import importlib + +from test.support import warnings_helper +from test.support.testcase import ExtraAssertions + +from importlib import resources + +from . import util + +# Since the functional API forwards to Traversable, we only test +# filesystem resources here -- not zip files, namespace packages etc. +# We do test for two kinds of Anchor, though. + + +class StringAnchorMixin: + anchor01 = 'data01' + anchor02 = 'data02' + + +class ModuleAnchorMixin: + @property + def anchor01(self): + return importlib.import_module('data01') + + @property + def anchor02(self): + return importlib.import_module('data02') + + +class FunctionalAPIBase(util.DiskSetup, ExtraAssertions): + def setUp(self): + super().setUp() + self.load_fixture('data02') + + def _gen_resourcetxt_path_parts(self): + """Yield various names of a text file in anchor02, each in a subTest""" + for path_parts in ( + ('subdirectory', 'subsubdir', 'resource.txt'), + ('subdirectory/subsubdir/resource.txt',), + ('subdirectory/subsubdir', 'resource.txt'), + ): + with self.subTest(path_parts=path_parts): + yield path_parts + + def test_read_text(self): + self.assertEqual( + resources.read_text(self.anchor01, 'utf-8.file'), + 'Hello, UTF-8 world!\n', + ) + self.assertEqual( + resources.read_text( + self.anchor02, + 'subdirectory', + 'subsubdir', + 'resource.txt', + encoding='utf-8', + ), + 'a resource', + ) + for path_parts in self._gen_resourcetxt_path_parts(): + self.assertEqual( + resources.read_text( + self.anchor02, + *path_parts, + encoding='utf-8', + ), + 'a resource', + ) + # Use generic OSError, since e.g. attempting to read a directory can + # fail with PermissionError rather than IsADirectoryError + with self.assertRaises(OSError): + resources.read_text(self.anchor01) + with self.assertRaises(OSError): + resources.read_text(self.anchor01, 'no-such-file') + with self.assertRaises(UnicodeDecodeError): + resources.read_text(self.anchor01, 'utf-16.file') + self.assertEqual( + resources.read_text( + self.anchor01, + 'binary.file', + encoding='latin1', + ), + '\x00\x01\x02\x03', + ) + self.assertEndsWith( # ignore the BOM + resources.read_text( + self.anchor01, + 'utf-16.file', + errors='backslashreplace', + ), + 'Hello, UTF-16 world!\n'.encode('utf-16-le').decode( + errors='backslashreplace', + ), + ) + + def test_read_binary(self): + self.assertEqual( + resources.read_binary(self.anchor01, 'utf-8.file'), + b'Hello, UTF-8 world!\n', + ) + for path_parts in self._gen_resourcetxt_path_parts(): + self.assertEqual( + resources.read_binary(self.anchor02, *path_parts), + b'a resource', + ) + + def test_open_text(self): + with resources.open_text(self.anchor01, 'utf-8.file') as f: + self.assertEqual(f.read(), 'Hello, UTF-8 world!\n') + for path_parts in self._gen_resourcetxt_path_parts(): + with resources.open_text( + self.anchor02, + *path_parts, + encoding='utf-8', + ) as f: + self.assertEqual(f.read(), 'a resource') + # Use generic OSError, since e.g. attempting to read a directory can + # fail with PermissionError rather than IsADirectoryError + with self.assertRaises(OSError): + resources.open_text(self.anchor01) + with self.assertRaises(OSError): + resources.open_text(self.anchor01, 'no-such-file') + with resources.open_text(self.anchor01, 'utf-16.file') as f: + with self.assertRaises(UnicodeDecodeError): + f.read() + with resources.open_text( + self.anchor01, + 'binary.file', + encoding='latin1', + ) as f: + self.assertEqual(f.read(), '\x00\x01\x02\x03') + with resources.open_text( + self.anchor01, + 'utf-16.file', + errors='backslashreplace', + ) as f: + self.assertEndsWith( # ignore the BOM + f.read(), + 'Hello, UTF-16 world!\n'.encode('utf-16-le').decode( + errors='backslashreplace', + ), + ) + + def test_open_binary(self): + with resources.open_binary(self.anchor01, 'utf-8.file') as f: + self.assertEqual(f.read(), b'Hello, UTF-8 world!\n') + for path_parts in self._gen_resourcetxt_path_parts(): + with resources.open_binary( + self.anchor02, + *path_parts, + ) as f: + self.assertEqual(f.read(), b'a resource') + + def test_path(self): + with resources.path(self.anchor01, 'utf-8.file') as path: + with open(str(path), encoding='utf-8') as f: + self.assertEqual(f.read(), 'Hello, UTF-8 world!\n') + with resources.path(self.anchor01) as path: + with open(os.path.join(path, 'utf-8.file'), encoding='utf-8') as f: + self.assertEqual(f.read(), 'Hello, UTF-8 world!\n') + + def test_is_resource(self): + is_resource = resources.is_resource + self.assertTrue(is_resource(self.anchor01, 'utf-8.file')) + self.assertFalse(is_resource(self.anchor01, 'no_such_file')) + self.assertFalse(is_resource(self.anchor01)) + self.assertFalse(is_resource(self.anchor01, 'subdirectory')) + for path_parts in self._gen_resourcetxt_path_parts(): + self.assertTrue(is_resource(self.anchor02, *path_parts)) + + def test_contents(self): + with warnings_helper.check_warnings((".*contents.*", DeprecationWarning)): + c = resources.contents(self.anchor01) + self.assertGreaterEqual( + set(c), + {'utf-8.file', 'utf-16.file', 'binary.file', 'subdirectory'}, + ) + with self.assertRaises(OSError), warnings_helper.check_warnings(( + ".*contents.*", + DeprecationWarning, + )): + list(resources.contents(self.anchor01, 'utf-8.file')) + + for path_parts in self._gen_resourcetxt_path_parts(): + with self.assertRaises(OSError), warnings_helper.check_warnings(( + ".*contents.*", + DeprecationWarning, + )): + list(resources.contents(self.anchor01, *path_parts)) + with warnings_helper.check_warnings((".*contents.*", DeprecationWarning)): + c = resources.contents(self.anchor01, 'subdirectory') + self.assertGreaterEqual( + set(c), + {'binary.file'}, + ) + + @warnings_helper.ignore_warnings(category=DeprecationWarning) + def test_common_errors(self): + for func in ( + resources.read_text, + resources.read_binary, + resources.open_text, + resources.open_binary, + resources.path, + resources.is_resource, + resources.contents, + ): + with self.subTest(func=func): + # Rejecting None anchor + with self.assertRaises(TypeError): + func(None) + # Rejecting invalid anchor type + with self.assertRaises((TypeError, AttributeError)): + func(1234) + # Unknown module + with self.assertRaises(ModuleNotFoundError): + func('$missing module$') + + def test_text_errors(self): + for func in ( + resources.read_text, + resources.open_text, + ): + with self.subTest(func=func): + # Multiple path arguments need explicit encoding argument. + with self.assertRaises(TypeError): + func( + self.anchor02, + 'subdirectory', + 'subsubdir', + 'resource.txt', + ) + + +class FunctionalAPITest_StringAnchor( + StringAnchorMixin, + FunctionalAPIBase, + unittest.TestCase, +): + pass + + +class FunctionalAPITest_ModuleAnchor( + ModuleAnchorMixin, + FunctionalAPIBase, + unittest.TestCase, +): + pass diff --git a/Lib/test/test_importlib/resources/test_open.py b/Lib/test/test_importlib/resources/test_open.py index 86becb4bfaa..8c00378ad3c 100644 --- a/Lib/test/test_importlib/resources/test_open.py +++ b/Lib/test/test_importlib/resources/test_open.py @@ -1,7 +1,6 @@ import unittest from importlib import resources -from . import data01 from . import util @@ -24,7 +23,7 @@ def test_open_binary(self): target = resources.files(self.data) / 'binary.file' with target.open('rb') as fp: result = fp.read() - self.assertEqual(result, b'\x00\x01\x02\x03') + self.assertEqual(result, bytes(range(4))) def test_open_text_default_encoding(self): target = resources.files(self.data) / 'utf-8.file' @@ -65,21 +64,21 @@ def test_open_text_FileNotFoundError(self): target.open(encoding='utf-8') -class OpenDiskTests(OpenTests, unittest.TestCase): - def setUp(self): - self.data = data01 - +class OpenDiskTests(OpenTests, util.DiskSetup, unittest.TestCase): + pass -class OpenDiskNamespaceTests(OpenTests, unittest.TestCase): - def setUp(self): - from . import namespacedata01 - self.data = namespacedata01 +class OpenDiskNamespaceTests(OpenTests, util.DiskSetup, unittest.TestCase): + MODULE = 'namespacedata01' class OpenZipTests(OpenTests, util.ZipSetup, unittest.TestCase): pass +class OpenNamespaceZipTests(OpenTests, util.ZipSetup, unittest.TestCase): + MODULE = 'namespacedata01' + + if __name__ == '__main__': unittest.main() diff --git a/Lib/test/test_importlib/resources/test_path.py b/Lib/test/test_importlib/resources/test_path.py index 34a6bdd2d58..378dc7a2bae 100644 --- a/Lib/test/test_importlib/resources/test_path.py +++ b/Lib/test/test_importlib/resources/test_path.py @@ -1,8 +1,8 @@ import io +import pathlib import unittest from importlib import resources -from . import data01 from . import util @@ -15,23 +15,16 @@ def execute(self, package, path): class PathTests: def test_reading(self): """ - Path should be readable. - - Test also implicitly verifies the returned object is a pathlib.Path - instance. + Path should be readable and a pathlib.Path instance. """ target = resources.files(self.data) / 'utf-8.file' with resources.as_file(target) as path: + self.assertIsInstance(path, pathlib.Path) self.assertTrue(path.name.endswith("utf-8.file"), repr(path)) - # pathlib.Path.read_text() was introduced in Python 3.5. - with path.open('r', encoding='utf-8') as file: - text = file.read() - self.assertEqual('Hello, UTF-8 world!\n', text) - + self.assertEqual('Hello, UTF-8 world!\n', path.read_text(encoding='utf-8')) -class PathDiskTests(PathTests, unittest.TestCase): - data = data01 +class PathDiskTests(PathTests, util.DiskSetup, unittest.TestCase): def test_natural_path(self): # Guarantee the internal implementation detail that # file-system-backed resources do not get the tempdir diff --git a/Lib/test/test_importlib/resources/test_read.py b/Lib/test/test_importlib/resources/test_read.py index 088982681e8..59c237d9641 100644 --- a/Lib/test/test_importlib/resources/test_read.py +++ b/Lib/test/test_importlib/resources/test_read.py @@ -1,7 +1,7 @@ import unittest from importlib import import_module, resources -from . import data01 + from . import util @@ -18,7 +18,7 @@ def execute(self, package, path): class ReadTests: def test_read_bytes(self): result = resources.files(self.data).joinpath('binary.file').read_bytes() - self.assertEqual(result, b'\0\1\2\3') + self.assertEqual(result, bytes(range(4))) def test_read_text_default_encoding(self): result = ( @@ -51,30 +51,42 @@ def test_read_text_with_errors(self): ) -class ReadDiskTests(ReadTests, unittest.TestCase): - data = data01 +class ReadDiskTests(ReadTests, util.DiskSetup, unittest.TestCase): + pass class ReadZipTests(ReadTests, util.ZipSetup, unittest.TestCase): def test_read_submodule_resource(self): - submodule = import_module('ziptestdata.subdirectory') + submodule = import_module('data01.subdirectory') result = resources.files(submodule).joinpath('binary.file').read_bytes() - self.assertEqual(result, b'\0\1\2\3') + self.assertEqual(result, bytes(range(4, 8))) def test_read_submodule_resource_by_name(self): result = ( - resources.files('ziptestdata.subdirectory') - .joinpath('binary.file') - .read_bytes() + resources.files('data01.subdirectory').joinpath('binary.file').read_bytes() ) - self.assertEqual(result, b'\0\1\2\3') + self.assertEqual(result, bytes(range(4, 8))) + +class ReadNamespaceTests(ReadTests, util.DiskSetup, unittest.TestCase): + MODULE = 'namespacedata01' -class ReadNamespaceTests(ReadTests, unittest.TestCase): - def setUp(self): - from . import namespacedata01 - self.data = namespacedata01 +class ReadNamespaceZipTests(ReadTests, util.ZipSetup, unittest.TestCase): + MODULE = 'namespacedata01' + + def test_read_submodule_resource(self): + submodule = import_module('namespacedata01.subdirectory') + result = resources.files(submodule).joinpath('binary.file').read_bytes() + self.assertEqual(result, bytes(range(12, 16))) + + def test_read_submodule_resource_by_name(self): + result = ( + resources.files('namespacedata01.subdirectory') + .joinpath('binary.file') + .read_bytes() + ) + self.assertEqual(result, bytes(range(12, 16))) if __name__ == '__main__': diff --git a/Lib/test/test_importlib/resources/test_reader.py b/Lib/test/test_importlib/resources/test_reader.py index 8670f72a334..ed5693ab416 100644 --- a/Lib/test/test_importlib/resources/test_reader.py +++ b/Lib/test/test_importlib/resources/test_reader.py @@ -1,17 +1,21 @@ import os.path -import sys import pathlib import unittest from importlib import import_module from importlib.readers import MultiplexedPath, NamespaceReader +from . import util -class MultiplexedPathTest(unittest.TestCase): - @classmethod - def setUpClass(cls): - path = pathlib.Path(__file__).parent / 'namespacedata01' - cls.folder = str(path) + +class MultiplexedPathTest(util.DiskSetup, unittest.TestCase): + MODULE = 'namespacedata01' + + def setUp(self): + super().setUp() + self.folder = pathlib.Path(self.data.__path__[0]) + self.data01 = pathlib.Path(self.load_fixture('data01').__file__).parent + self.data02 = pathlib.Path(self.load_fixture('data02').__file__).parent def test_init_no_paths(self): with self.assertRaises(FileNotFoundError): @@ -19,7 +23,7 @@ def test_init_no_paths(self): def test_init_file(self): with self.assertRaises(NotADirectoryError): - MultiplexedPath(os.path.join(self.folder, 'binary.file')) + MultiplexedPath(self.folder / 'binary.file') def test_iterdir(self): contents = {path.name for path in MultiplexedPath(self.folder).iterdir()} @@ -27,12 +31,13 @@ def test_iterdir(self): contents.remove('__pycache__') except (KeyError, ValueError): pass - self.assertEqual(contents, {'binary.file', 'utf-16.file', 'utf-8.file'}) + self.assertEqual( + contents, {'subdirectory', 'binary.file', 'utf-16.file', 'utf-8.file'} + ) def test_iterdir_duplicate(self): - data01 = os.path.abspath(os.path.join(__file__, '..', 'data01')) contents = { - path.name for path in MultiplexedPath(self.folder, data01).iterdir() + path.name for path in MultiplexedPath(self.folder, self.data01).iterdir() } for remove in ('__pycache__', '__init__.pyc'): try: @@ -60,17 +65,16 @@ def test_open_file(self): path.open() def test_join_path(self): - prefix = os.path.abspath(os.path.join(__file__, '..')) - data01 = os.path.join(prefix, 'data01') - path = MultiplexedPath(self.folder, data01) + prefix = str(self.folder.parent) + path = MultiplexedPath(self.folder, self.data01) self.assertEqual( str(path.joinpath('binary.file'))[len(prefix) + 1 :], os.path.join('namespacedata01', 'binary.file'), ) - self.assertEqual( - str(path.joinpath('subdirectory'))[len(prefix) + 1 :], - os.path.join('data01', 'subdirectory'), - ) + sub = path.joinpath('subdirectory') + assert isinstance(sub, MultiplexedPath) + assert 'namespacedata01' in str(sub) + assert 'data01' in str(sub) self.assertEqual( str(path.joinpath('imaginary'))[len(prefix) + 1 :], os.path.join('namespacedata01', 'imaginary'), @@ -82,10 +86,8 @@ def test_join_path_compound(self): assert not path.joinpath('imaginary/foo.py').exists() def test_join_path_common_subdir(self): - prefix = os.path.abspath(os.path.join(__file__, '..')) - data01 = os.path.join(prefix, 'data01') - data02 = os.path.join(prefix, 'data02') - path = MultiplexedPath(data01, data02) + prefix = str(self.data02.parent) + path = MultiplexedPath(self.data01, self.data02) self.assertIsInstance(path.joinpath('subdirectory'), MultiplexedPath) self.assertEqual( str(path.joinpath('subdirectory', 'subsubdir'))[len(prefix) + 1 :], @@ -105,16 +107,8 @@ def test_name(self): ) -class NamespaceReaderTest(unittest.TestCase): - site_dir = str(pathlib.Path(__file__).parent) - - @classmethod - def setUpClass(cls): - sys.path.append(cls.site_dir) - - @classmethod - def tearDownClass(cls): - sys.path.remove(cls.site_dir) +class NamespaceReaderTest(util.DiskSetup, unittest.TestCase): + MODULE = 'namespacedata01' def test_init_error(self): with self.assertRaises(ValueError): @@ -124,7 +118,7 @@ def test_resource_path(self): namespacedata01 = import_module('namespacedata01') reader = NamespaceReader(namespacedata01.__spec__.submodule_search_locations) - root = os.path.abspath(os.path.join(__file__, '..', 'namespacedata01')) + root = self.data.__path__[0] self.assertEqual( reader.resource_path('binary.file'), os.path.join(root, 'binary.file') ) @@ -133,9 +127,8 @@ def test_resource_path(self): ) def test_files(self): - namespacedata01 = import_module('namespacedata01') - reader = NamespaceReader(namespacedata01.__spec__.submodule_search_locations) - root = os.path.abspath(os.path.join(__file__, '..', 'namespacedata01')) + reader = NamespaceReader(self.data.__spec__.submodule_search_locations) + root = self.data.__path__[0] self.assertIsInstance(reader.files(), MultiplexedPath) self.assertEqual(repr(reader.files()), f"MultiplexedPath('{root}')") diff --git a/Lib/test/test_importlib/resources/test_resource.py b/Lib/test/test_importlib/resources/test_resource.py index 6f75cf57f03..fcede14b891 100644 --- a/Lib/test/test_importlib/resources/test_resource.py +++ b/Lib/test/test_importlib/resources/test_resource.py @@ -1,15 +1,7 @@ -import contextlib -import sys import unittest -import uuid -import pathlib -from . import data01 -from . import zipdata01, zipdata02 from . import util from importlib import resources, import_module -from test.support import import_helper, os_helper -from test.support.os_helper import unlink class ResourceTests: @@ -29,9 +21,8 @@ def test_is_dir(self): self.assertTrue(target.is_dir()) -class ResourceDiskTests(ResourceTests, unittest.TestCase): - def setUp(self): - self.data = data01 +class ResourceDiskTests(ResourceTests, util.DiskSetup, unittest.TestCase): + pass class ResourceZipTests(ResourceTests, util.ZipSetup, unittest.TestCase): @@ -42,33 +33,39 @@ def names(traversable): return {item.name for item in traversable.iterdir()} -class ResourceLoaderTests(unittest.TestCase): +class ResourceLoaderTests(util.DiskSetup, unittest.TestCase): def test_resource_contents(self): package = util.create_package( - file=data01, path=data01.__file__, contents=['A', 'B', 'C'] + file=self.data, path=self.data.__file__, contents=['A', 'B', 'C'] ) self.assertEqual(names(resources.files(package)), {'A', 'B', 'C'}) def test_is_file(self): package = util.create_package( - file=data01, path=data01.__file__, contents=['A', 'B', 'C', 'D/E', 'D/F'] + file=self.data, + path=self.data.__file__, + contents=['A', 'B', 'C', 'D/E', 'D/F'], ) self.assertTrue(resources.files(package).joinpath('B').is_file()) def test_is_dir(self): package = util.create_package( - file=data01, path=data01.__file__, contents=['A', 'B', 'C', 'D/E', 'D/F'] + file=self.data, + path=self.data.__file__, + contents=['A', 'B', 'C', 'D/E', 'D/F'], ) self.assertTrue(resources.files(package).joinpath('D').is_dir()) def test_resource_missing(self): package = util.create_package( - file=data01, path=data01.__file__, contents=['A', 'B', 'C', 'D/E', 'D/F'] + file=self.data, + path=self.data.__file__, + contents=['A', 'B', 'C', 'D/E', 'D/F'], ) self.assertFalse(resources.files(package).joinpath('Z').is_file()) -class ResourceCornerCaseTests(unittest.TestCase): +class ResourceCornerCaseTests(util.DiskSetup, unittest.TestCase): def test_package_has_no_reader_fallback(self): """ Test odd ball packages which: @@ -77,7 +74,7 @@ def test_package_has_no_reader_fallback(self): # 3. Are not in a zip file """ module = util.create_package( - file=data01, path=data01.__file__, contents=['A', 'B', 'C'] + file=self.data, path=self.data.__file__, contents=['A', 'B', 'C'] ) # Give the module a dummy loader. module.__loader__ = object() @@ -88,43 +85,39 @@ def test_package_has_no_reader_fallback(self): self.assertFalse(resources.files(module).joinpath('A').is_file()) -class ResourceFromZipsTest01(util.ZipSetupBase, unittest.TestCase): - ZIP_MODULE = zipdata01 # type: ignore - +class ResourceFromZipsTest01(util.ZipSetup, unittest.TestCase): def test_is_submodule_resource(self): - submodule = import_module('ziptestdata.subdirectory') + submodule = import_module('data01.subdirectory') self.assertTrue(resources.files(submodule).joinpath('binary.file').is_file()) def test_read_submodule_resource_by_name(self): self.assertTrue( - resources.files('ziptestdata.subdirectory') - .joinpath('binary.file') - .is_file() + resources.files('data01.subdirectory').joinpath('binary.file').is_file() ) def test_submodule_contents(self): - submodule = import_module('ziptestdata.subdirectory') + submodule = import_module('data01.subdirectory') self.assertEqual( names(resources.files(submodule)), {'__init__.py', 'binary.file'} ) def test_submodule_contents_by_name(self): self.assertEqual( - names(resources.files('ziptestdata.subdirectory')), + names(resources.files('data01.subdirectory')), {'__init__.py', 'binary.file'}, ) def test_as_file_directory(self): - with resources.as_file(resources.files('ziptestdata')) as data: - assert data.name == 'ziptestdata' + with resources.as_file(resources.files('data01')) as data: + assert data.name == 'data01' assert data.is_dir() assert data.joinpath('subdirectory').is_dir() assert len(list(data.iterdir())) assert not data.parent.exists() -class ResourceFromZipsTest02(util.ZipSetupBase, unittest.TestCase): - ZIP_MODULE = zipdata02 # type: ignore +class ResourceFromZipsTest02(util.ZipSetup, unittest.TestCase): + MODULE = 'data02' def test_unrelated_contents(self): """ @@ -132,93 +125,48 @@ def test_unrelated_contents(self): distinct resources. Ref python/importlib_resources#44. """ self.assertEqual( - names(resources.files('ziptestdata.one')), + names(resources.files('data02.one')), {'__init__.py', 'resource1.txt'}, ) self.assertEqual( - names(resources.files('ziptestdata.two')), + names(resources.files('data02.two')), {'__init__.py', 'resource2.txt'}, ) -@contextlib.contextmanager -def zip_on_path(dir): - data_path = pathlib.Path(zipdata01.__file__) - source_zip_path = data_path.parent.joinpath('ziptestdata.zip') - zip_path = pathlib.Path(dir) / f'{uuid.uuid4()}.zip' - zip_path.write_bytes(source_zip_path.read_bytes()) - sys.path.append(str(zip_path)) - import_module('ziptestdata') - - try: - yield - finally: - with contextlib.suppress(ValueError): - sys.path.remove(str(zip_path)) - - with contextlib.suppress(KeyError): - del sys.path_importer_cache[str(zip_path)] - del sys.modules['ziptestdata'] - - with contextlib.suppress(OSError): - unlink(zip_path) - - -class DeletingZipsTest(unittest.TestCase): +class DeletingZipsTest(util.ZipSetup, unittest.TestCase): """Having accessed resources in a zip file should not keep an open reference to the zip. """ - def setUp(self): - self.fixtures = contextlib.ExitStack() - self.addCleanup(self.fixtures.close) - - modules = import_helper.modules_setup() - self.addCleanup(import_helper.modules_cleanup, *modules) - - temp_dir = self.fixtures.enter_context(os_helper.temp_dir()) - self.fixtures.enter_context(zip_on_path(temp_dir)) - def test_iterdir_does_not_keep_open(self): - [item.name for item in resources.files('ziptestdata').iterdir()] + [item.name for item in resources.files('data01').iterdir()] def test_is_file_does_not_keep_open(self): - resources.files('ziptestdata').joinpath('binary.file').is_file() + resources.files('data01').joinpath('binary.file').is_file() def test_is_file_failure_does_not_keep_open(self): - resources.files('ziptestdata').joinpath('not-present').is_file() + resources.files('data01').joinpath('not-present').is_file() @unittest.skip("Desired but not supported.") def test_as_file_does_not_keep_open(self): # pragma: no cover - resources.as_file(resources.files('ziptestdata') / 'binary.file') + resources.as_file(resources.files('data01') / 'binary.file') def test_entered_path_does_not_keep_open(self): """ Mimic what certifi does on import to make its bundle available for the process duration. """ - resources.as_file(resources.files('ziptestdata') / 'binary.file').__enter__() + resources.as_file(resources.files('data01') / 'binary.file').__enter__() def test_read_binary_does_not_keep_open(self): - resources.files('ziptestdata').joinpath('binary.file').read_bytes() + resources.files('data01').joinpath('binary.file').read_bytes() def test_read_text_does_not_keep_open(self): - resources.files('ziptestdata').joinpath('utf-8.file').read_text( - encoding='utf-8' - ) + resources.files('data01').joinpath('utf-8.file').read_text(encoding='utf-8') -class ResourceFromNamespaceTest01(unittest.TestCase): - site_dir = str(pathlib.Path(__file__).parent) - - @classmethod - def setUpClass(cls): - sys.path.append(cls.site_dir) - - @classmethod - def tearDownClass(cls): - sys.path.remove(cls.site_dir) - +class ResourceFromNamespaceTests: def test_is_submodule_resource(self): self.assertTrue( resources.files(import_module('namespacedata01')) @@ -237,7 +185,9 @@ def test_submodule_contents(self): contents.remove('__pycache__') except KeyError: pass - self.assertEqual(contents, {'binary.file', 'utf-8.file', 'utf-16.file'}) + self.assertEqual( + contents, {'subdirectory', 'binary.file', 'utf-8.file', 'utf-16.file'} + ) def test_submodule_contents_by_name(self): contents = names(resources.files('namespacedata01')) @@ -245,7 +195,41 @@ def test_submodule_contents_by_name(self): contents.remove('__pycache__') except KeyError: pass - self.assertEqual(contents, {'binary.file', 'utf-8.file', 'utf-16.file'}) + self.assertEqual( + contents, {'subdirectory', 'binary.file', 'utf-8.file', 'utf-16.file'} + ) + + def test_submodule_sub_contents(self): + contents = names(resources.files(import_module('namespacedata01.subdirectory'))) + try: + contents.remove('__pycache__') + except KeyError: + pass + self.assertEqual(contents, {'binary.file'}) + + def test_submodule_sub_contents_by_name(self): + contents = names(resources.files('namespacedata01.subdirectory')) + try: + contents.remove('__pycache__') + except KeyError: + pass + self.assertEqual(contents, {'binary.file'}) + + +class ResourceFromNamespaceDiskTests( + util.DiskSetup, + ResourceFromNamespaceTests, + unittest.TestCase, +): + MODULE = 'namespacedata01' + + +class ResourceFromNamespaceZipTests( + util.ZipSetup, + ResourceFromNamespaceTests, + unittest.TestCase, +): + MODULE = 'namespacedata01' if __name__ == '__main__': diff --git a/Lib/test/test_importlib/resources/util.py b/Lib/test/test_importlib/resources/util.py index dbe6ee81476..e2d995f5963 100644 --- a/Lib/test/test_importlib/resources/util.py +++ b/Lib/test/test_importlib/resources/util.py @@ -4,11 +4,12 @@ import sys import types import pathlib +import contextlib -from . import data01 -from . import zipdata01 from importlib.resources.abc import ResourceReader -from test.support import import_helper +from test.support import import_helper, os_helper +from . import zip as zip_ +from . import _path from importlib.machinery import ModuleSpec @@ -67,7 +68,7 @@ def create_package(file=None, path=None, is_package=True, contents=()): ) -class CommonTests(metaclass=abc.ABCMeta): +class CommonTestsBase(metaclass=abc.ABCMeta): """ Tests shared by test_open, test_path, and test_read. """ @@ -83,34 +84,34 @@ def test_package_name(self): """ Passing in the package name should succeed. """ - self.execute(data01.__name__, 'utf-8.file') + self.execute(self.data.__name__, 'utf-8.file') def test_package_object(self): """ Passing in the package itself should succeed. """ - self.execute(data01, 'utf-8.file') + self.execute(self.data, 'utf-8.file') def test_string_path(self): """ Passing in a string for the path should succeed. """ path = 'utf-8.file' - self.execute(data01, path) + self.execute(self.data, path) def test_pathlib_path(self): """ Passing in a pathlib.PurePath object for the path should succeed. """ path = pathlib.PurePath('utf-8.file') - self.execute(data01, path) + self.execute(self.data, path) def test_importing_module_as_side_effect(self): """ The anchor package can already be imported. """ - del sys.modules[data01.__name__] - self.execute(data01.__name__, 'utf-8.file') + del sys.modules[self.data.__name__] + self.execute(self.data.__name__, 'utf-8.file') def test_missing_path(self): """ @@ -140,40 +141,66 @@ def test_useless_loader(self): self.execute(package, 'utf-8.file') -class ZipSetupBase: - ZIP_MODULE = None - - @classmethod - def setUpClass(cls): - data_path = pathlib.Path(cls.ZIP_MODULE.__file__) - data_dir = data_path.parent - cls._zip_path = str(data_dir / 'ziptestdata.zip') - sys.path.append(cls._zip_path) - cls.data = importlib.import_module('ziptestdata') - - @classmethod - def tearDownClass(cls): - try: - sys.path.remove(cls._zip_path) - except ValueError: - pass - - try: - del sys.path_importer_cache[cls._zip_path] - del sys.modules[cls.data.__name__] - except KeyError: - pass - - try: - del cls.data - del cls._zip_path - except AttributeError: - pass - +fixtures = dict( + data01={ + '__init__.py': '', + 'binary.file': bytes(range(4)), + 'utf-16.file': '\ufeffHello, UTF-16 world!\n'.encode('utf-16-le'), + 'utf-8.file': 'Hello, UTF-8 world!\n'.encode('utf-8'), + 'subdirectory': { + '__init__.py': '', + 'binary.file': bytes(range(4, 8)), + }, + }, + data02={ + '__init__.py': '', + 'one': {'__init__.py': '', 'resource1.txt': 'one resource'}, + 'two': {'__init__.py': '', 'resource2.txt': 'two resource'}, + 'subdirectory': {'subsubdir': {'resource.txt': 'a resource'}}, + }, + namespacedata01={ + 'binary.file': bytes(range(4)), + 'utf-16.file': '\ufeffHello, UTF-16 world!\n'.encode('utf-16-le'), + 'utf-8.file': 'Hello, UTF-8 world!\n'.encode('utf-8'), + 'subdirectory': { + 'binary.file': bytes(range(12, 16)), + }, + }, +) + + +class ModuleSetup: def setUp(self): - modules = import_helper.modules_setup() - self.addCleanup(import_helper.modules_cleanup, *modules) + self.fixtures = contextlib.ExitStack() + self.addCleanup(self.fixtures.close) + + self.fixtures.enter_context(import_helper.isolated_modules()) + self.data = self.load_fixture(self.MODULE) + + def load_fixture(self, module): + self.tree_on_path({module: fixtures[module]}) + return importlib.import_module(module) + + +class ZipSetup(ModuleSetup): + MODULE = 'data01' + + def tree_on_path(self, spec): + temp_dir = self.fixtures.enter_context(os_helper.temp_dir()) + modules = pathlib.Path(temp_dir) / 'zipped modules.zip' + self.fixtures.enter_context( + import_helper.DirsOnSysPath(str(zip_.make_zip_file(spec, modules))) + ) + + +class DiskSetup(ModuleSetup): + MODULE = 'data01' + + def tree_on_path(self, spec): + temp_dir = self.fixtures.enter_context(os_helper.temp_dir()) + _path.build(spec, pathlib.Path(temp_dir)) + self.fixtures.enter_context(import_helper.DirsOnSysPath(temp_dir)) -class ZipSetup(ZipSetupBase): - ZIP_MODULE = zipdata01 # type: ignore +class CommonTests(DiskSetup, CommonTestsBase): + pass diff --git a/Lib/test/test_importlib/resources/zip.py b/Lib/test/test_importlib/resources/zip.py new file mode 100644 index 00000000000..fc453f02060 --- /dev/null +++ b/Lib/test/test_importlib/resources/zip.py @@ -0,0 +1,24 @@ +""" +Generate zip test data files. +""" + +import zipfile + + +def make_zip_file(tree, dst): + """ + Zip the files in tree into a new zipfile at dst. + """ + with zipfile.ZipFile(dst, 'w') as zf: + for name, contents in walk(tree): + zf.writestr(name, contents) + zipfile._path.CompleteDirs.inject(zf) + return dst + + +def walk(tree, prefix=''): + for name, contents in tree.items(): + if isinstance(contents, dict): + yield from walk(contents, prefix=f'{prefix}{name}/') + else: + yield f'{prefix}{name}', contents diff --git a/Lib/test/test_importlib/source/test_case_sensitivity.py b/Lib/test/test_importlib/source/test_case_sensitivity.py index 6a06313319d..e52829e6280 100644 --- a/Lib/test/test_importlib/source/test_case_sensitivity.py +++ b/Lib/test/test_importlib/source/test_case_sensitivity.py @@ -9,7 +9,6 @@ import os from test.support import os_helper import unittest -import warnings @util.case_insensitive_tests diff --git a/Lib/test/test_importlib/source/test_file_loader.py b/Lib/test/test_importlib/source/test_file_loader.py index 9c85bd234f3..f35adec1a8e 100644 --- a/Lib/test/test_importlib/source/test_file_loader.py +++ b/Lib/test/test_importlib/source/test_file_loader.py @@ -236,7 +236,6 @@ def test_unloadable(self): warnings.simplefilter('ignore', DeprecationWarning) loader.load_module('bad name') - @unittest.skip("TODO: RUSTPYTHON; successful only for Frozen") @util.writes_bytecode_files def test_checked_hash_based_pyc(self): with util.create_modules('_temp') as mapping: @@ -293,7 +292,6 @@ def test_overridden_checked_hash_based_pyc(self): loader.exec_module(mod) self.assertEqual(mod.state, 'old') - @unittest.skip("TODO: RUSTPYTHON; successful only for Frozen") @util.writes_bytecode_files def test_unchecked_hash_based_pyc(self): with util.create_modules('_temp') as mapping: @@ -324,7 +322,6 @@ def test_unchecked_hash_based_pyc(self): data[8:16], ) - @unittest.skip("TODO: RUSTPYTHON; successful only for Frozen") @util.writes_bytecode_files def test_overridden_unchecked_hash_based_pyc(self): with util.create_modules('_temp') as mapping, \ @@ -672,30 +669,28 @@ def test_read_only_bytecode(self): os.chmod(bytecode_path, stat.S_IWUSR) -# TODO: RUSTPYTHON -# class SourceLoaderBadBytecodeTestPEP451( -# SourceLoaderBadBytecodeTest, BadBytecodeTestPEP451): -# pass +class SourceLoaderBadBytecodeTestPEP451( + SourceLoaderBadBytecodeTest, BadBytecodeTestPEP451): + pass -# (Frozen_SourceBadBytecodePEP451, -# Source_SourceBadBytecodePEP451 -# ) = util.test_both(SourceLoaderBadBytecodeTestPEP451, importlib=importlib, -# machinery=machinery, abc=importlib_abc, -# util=importlib_util) +(Frozen_SourceBadBytecodePEP451, + Source_SourceBadBytecodePEP451 + ) = util.test_both(SourceLoaderBadBytecodeTestPEP451, importlib=importlib, + machinery=machinery, abc=importlib_abc, + util=importlib_util) -# TODO: RUSTPYTHON -# class SourceLoaderBadBytecodeTestPEP302( -# SourceLoaderBadBytecodeTest, BadBytecodeTestPEP302): -# pass +class SourceLoaderBadBytecodeTestPEP302( + SourceLoaderBadBytecodeTest, BadBytecodeTestPEP302): + pass -# (Frozen_SourceBadBytecodePEP302, -# Source_SourceBadBytecodePEP302 -# ) = util.test_both(SourceLoaderBadBytecodeTestPEP302, importlib=importlib, -# machinery=machinery, abc=importlib_abc, -# util=importlib_util) +(Frozen_SourceBadBytecodePEP302, + Source_SourceBadBytecodePEP302 + ) = util.test_both(SourceLoaderBadBytecodeTestPEP302, importlib=importlib, + machinery=machinery, abc=importlib_abc, + util=importlib_util) class SourcelessLoaderBadBytecodeTest: @@ -772,29 +767,28 @@ def test_non_code_marshal(self): self._test_non_code_marshal(del_source=True) -# TODO: RUSTPYTHON -# class SourcelessLoaderBadBytecodeTestPEP451(SourcelessLoaderBadBytecodeTest, -# BadBytecodeTestPEP451): -# pass +class SourcelessLoaderBadBytecodeTestPEP451(SourcelessLoaderBadBytecodeTest, + BadBytecodeTestPEP451): + pass -# (Frozen_SourcelessBadBytecodePEP451, -# Source_SourcelessBadBytecodePEP451 -# ) = util.test_both(SourcelessLoaderBadBytecodeTestPEP451, importlib=importlib, -# machinery=machinery, abc=importlib_abc, -# util=importlib_util) +(Frozen_SourcelessBadBytecodePEP451, + Source_SourcelessBadBytecodePEP451 + ) = util.test_both(SourcelessLoaderBadBytecodeTestPEP451, importlib=importlib, + machinery=machinery, abc=importlib_abc, + util=importlib_util) -# class SourcelessLoaderBadBytecodeTestPEP302(SourcelessLoaderBadBytecodeTest, -# BadBytecodeTestPEP302): -# pass +class SourcelessLoaderBadBytecodeTestPEP302(SourcelessLoaderBadBytecodeTest, + BadBytecodeTestPEP302): + pass -# (Frozen_SourcelessBadBytecodePEP302, -# Source_SourcelessBadBytecodePEP302 -# ) = util.test_both(SourcelessLoaderBadBytecodeTestPEP302, importlib=importlib, -# machinery=machinery, abc=importlib_abc, -# util=importlib_util) +(Frozen_SourcelessBadBytecodePEP302, + Source_SourcelessBadBytecodePEP302 + ) = util.test_both(SourcelessLoaderBadBytecodeTestPEP302, importlib=importlib, + machinery=machinery, abc=importlib_abc, + util=importlib_util) if __name__ == '__main__': diff --git a/Lib/test/test_importlib/source/test_finder.py b/Lib/test/test_importlib/source/test_finder.py index 17d09d4ceed..8c06c4da1f5 100644 --- a/Lib/test/test_importlib/source/test_finder.py +++ b/Lib/test/test_importlib/source/test_finder.py @@ -10,7 +10,6 @@ import tempfile from test.support.import_helper import make_legacy_pyc import unittest -import warnings class FinderTests(abc.FinderTests): @@ -168,7 +167,6 @@ def test_no_read_directory(self): found = self._find(finder, 'doesnotexist') self.assertEqual(found, self.NOT_FOUND) - @unittest.expectedFailureIfWindows("TODO: RUSTPYTHON") def test_ignore_file(self): # If a directory got changed to a file from underneath us, then don't # worry about looking for submodules. diff --git a/Lib/test/test_importlib/source/test_source_encoding.py b/Lib/test/test_importlib/source/test_source_encoding.py index 4f206accf97..c09c9aa12b8 100644 --- a/Lib/test/test_importlib/source/test_source_encoding.py +++ b/Lib/test/test_importlib/source/test_source_encoding.py @@ -61,16 +61,12 @@ def test_non_obvious_encoding(self): def test_default_encoding(self): self.run_test(self.source_line.encode('utf-8')) - # TODO: RUSTPYTHON, UnicodeDecodeError: invalid utf-8 sequence of 1 bytes from index 17 - @unittest.expectedFailure # [encoding first line] def test_encoding_on_first_line(self): encoding = 'Latin-1' source = self.create_source(encoding) self.run_test(source) - # TODO: RUSTPYTHON, UnicodeDecodeError: invalid utf-8 sequence of 1 bytes from index 34 - @unittest.expectedFailure # [encoding second line] def test_encoding_on_second_line(self): source = b"#/usr/bin/python\n" + self.create_source('Latin-1') @@ -85,8 +81,6 @@ def test_bom_and_utf_8(self): source = codecs.BOM_UTF8 + self.create_source('utf-8') self.run_test(source) - # TODO: RUSTPYTHON, UnicodeDecodeError: invalid utf-8 sequence of 1 bytes from index 20 - @unittest.expectedFailure # [BOM conflict] def test_bom_conflict(self): source = codecs.BOM_UTF8 + self.create_source('latin-1') diff --git a/Lib/test/test_importlib/test_abc.py b/Lib/test/test_importlib/test_abc.py index 603125f6d92..1a777732551 100644 --- a/Lib/test/test_importlib/test_abc.py +++ b/Lib/test/test_importlib/test_abc.py @@ -913,5 +913,30 @@ def test_universal_newlines(self): SourceOnlyLoaderMock=SPLIT_SOL) +class DeprecatedAttrsTests: + + """Test the deprecated attributes can be accessed.""" + + def test_deprecated_attr_ResourceReader(self): + with self.assertWarns(DeprecationWarning): + self.abc.ResourceReader + del self.abc.ResourceReader + + def test_deprecated_attr_Traversable(self): + with self.assertWarns(DeprecationWarning): + self.abc.Traversable + del self.abc.Traversable + + def test_deprecated_attr_TraversableResources(self): + with self.assertWarns(DeprecationWarning): + self.abc.TraversableResources + del self.abc.TraversableResources + + +(Frozen_DeprecatedAttrsTests, + Source_DeprecatedAttrsTests + ) = test_util.test_both(DeprecatedAttrsTests, abc=abc) + + if __name__ == '__main__': unittest.main() diff --git a/Lib/test/test_importlib/test_api.py b/Lib/test/test_importlib/test_api.py index ecf2c47c462..3bf8d7ac9c4 100644 --- a/Lib/test/test_importlib/test_api.py +++ b/Lib/test/test_importlib/test_api.py @@ -8,9 +8,10 @@ import sys from test.support import import_helper from test.support import os_helper +from test import support +import traceback import types import unittest -import warnings class ImportModuleTests: @@ -354,6 +355,20 @@ def test_module_missing_spec(self): with self.assertRaises(ModuleNotFoundError): self.init.reload(module) + def test_reload_traceback_with_non_str(self): + # gh-125519 + with support.captured_stdout() as stdout: + try: + self.init.reload("typing") + except TypeError as exc: + traceback.print_exception(exc, file=stdout) + else: + self.fail("Expected TypeError to be raised") + printed_traceback = stdout.getvalue() + self.assertIn("TypeError", printed_traceback) + self.assertNotIn("AttributeError", printed_traceback) + self.assertNotIn("module.__spec__.name", printed_traceback) + (Frozen_ReloadTests, Source_ReloadTests diff --git a/Lib/test/test_importlib/test_lazy.py b/Lib/test/test_importlib/test_lazy.py index cc993f333e3..5c6e0303528 100644 --- a/Lib/test/test_importlib/test_lazy.py +++ b/Lib/test/test_importlib/test_lazy.py @@ -2,9 +2,12 @@ from importlib import abc from importlib import util import sys +import time +import threading import types import unittest +from test.support import threading_helper from test.test_importlib import util as test_util @@ -40,6 +43,7 @@ class TestingImporter(abc.MetaPathFinder, abc.Loader): module_name = 'lazy_loader_test' mutated_name = 'changed' loaded = None + load_count = 0 source_code = 'attr = 42; __name__ = {!r}'.format(mutated_name) def find_spec(self, name, path, target=None): @@ -48,8 +52,10 @@ def find_spec(self, name, path, target=None): return util.spec_from_loader(name, util.LazyLoader(self)) def exec_module(self, module): + time.sleep(0.01) # Simulate a slow load. exec(self.source_code, module.__dict__) self.loaded = module + self.load_count += 1 class LazyLoaderTests(unittest.TestCase): @@ -59,8 +65,9 @@ def test_init(self): # Classes that don't define exec_module() trigger TypeError. util.LazyLoader(object) - def new_module(self, source_code=None): - loader = TestingImporter() + def new_module(self, source_code=None, loader=None): + if loader is None: + loader = TestingImporter() if source_code is not None: loader.source_code = source_code spec = util.spec_from_loader(TestingImporter.module_name, @@ -140,6 +147,83 @@ def test_module_already_in_sys(self): # Force the load; just care that no exception is raised. module.__name__ + @threading_helper.requires_working_threading() + def test_module_load_race(self): + with test_util.uncache(TestingImporter.module_name): + loader = TestingImporter() + module = self.new_module(loader=loader) + self.assertEqual(loader.load_count, 0) + + class RaisingThread(threading.Thread): + exc = None + def run(self): + try: + super().run() + except Exception as exc: + self.exc = exc + + def access_module(): + return module.attr + + threads = [] + for _ in range(2): + threads.append(thread := RaisingThread(target=access_module)) + thread.start() + + # Races could cause errors + for thread in threads: + thread.join() + self.assertIsNone(thread.exc) + + # Or multiple load attempts + self.assertEqual(loader.load_count, 1) + + def test_lazy_self_referential_modules(self): + # Directory modules with submodules that reference the parent can attempt to access + # the parent module during a load. Verify that this common pattern works with lazy loading. + # json is a good example in the stdlib. + json_modules = [name for name in sys.modules if name.startswith('json')] + with test_util.uncache(*json_modules): + # Standard lazy loading, unwrapped + spec = util.find_spec('json') + loader = util.LazyLoader(spec.loader) + spec.loader = loader + module = util.module_from_spec(spec) + sys.modules['json'] = module + loader.exec_module(module) + + # Trigger load with attribute lookup, ensure expected behavior + test_load = module.loads('{}') + self.assertEqual(test_load, {}) + + def test_lazy_module_type_override(self): + # Verify that lazy loading works with a module that modifies + # its __class__ to be a custom type. + + # Example module from PEP 726 + module = self.new_module(source_code="""\ +import sys +from types import ModuleType + +CONSTANT = 3.14 + +class ImmutableModule(ModuleType): + def __setattr__(self, name, value): + raise AttributeError('Read-only attribute!') + + def __delattr__(self, name): + raise AttributeError('Read-only attribute!') + +sys.modules[__name__].__class__ = ImmutableModule +""") + sys.modules[TestingImporter.module_name] = module + self.assertIsInstance(module, util._LazyModule) + self.assertEqual(module.CONSTANT, 3.14) + with self.assertRaises(AttributeError): + module.CONSTANT = 2.71 + with self.assertRaises(AttributeError): + del module.CONSTANT + if __name__ == '__main__': unittest.main() diff --git a/Lib/test/test_importlib/test_locks.py b/Lib/test/test_importlib/test_locks.py index 17cce741cce..befac5d62b0 100644 --- a/Lib/test/test_importlib/test_locks.py +++ b/Lib/test/test_importlib/test_locks.py @@ -29,6 +29,8 @@ class ModuleLockAsRLockTests: test_timeout = None # _release_save() unsupported test_release_save_unacquired = None + # _recursion_count() unsupported + test_recursion_count = None # lock status in repr unsupported test_repr = None test_locked_repr = None @@ -47,7 +49,6 @@ def tearDown(self): LockType=LOCK_TYPES) -@unittest.skipIf(sys.platform == "darwin", "TODO: RUSTPYTHON") class DeadlockAvoidanceTests: def setUp(self): @@ -92,11 +93,11 @@ def f(): b.release() if ra: a.release() - lock_tests.Bunch(f, NTHREADS).wait_for_finished() + with lock_tests.Bunch(f, NTHREADS): + pass self.assertEqual(len(results), NTHREADS) return results - @unittest.skip("TODO: RUSTPYTHON, sometimes hangs") def test_deadlock(self): results = self.run_deadlock_avoidance_test(True) # At least one of the threads detected a potential deadlock on its @@ -106,7 +107,6 @@ def test_deadlock(self): self.assertGreaterEqual(nb_deadlocks, 1) self.assertEqual(results.count((True, True)), len(results) - nb_deadlocks) - @unittest.skip("TODO: RUSTPYTHON, flaky test") def test_no_deadlock(self): results = self.run_deadlock_avoidance_test(False) self.assertEqual(results.count((True, False)), 0) @@ -145,10 +145,10 @@ def test_all_locks(self): self.assertEqual(0, len(self.bootstrap._module_locks), self.bootstrap._module_locks) -# TODO: RUSTPYTHON -# (Frozen_LifetimeTests, -# Source_LifetimeTests -# ) = test_util.test_both(LifetimeTests, init=init) + +(Frozen_LifetimeTests, + Source_LifetimeTests + ) = test_util.test_both(LifetimeTests, init=init) def setUpModule(): diff --git a/Lib/test/test_importlib/test_namespace_pkgs.py b/Lib/test/test_importlib/test_namespace_pkgs.py index 65428c3d3ea..072e198795d 100644 --- a/Lib/test/test_importlib/test_namespace_pkgs.py +++ b/Lib/test/test_importlib/test_namespace_pkgs.py @@ -6,7 +6,6 @@ import sys import tempfile import unittest -import warnings from test.test_importlib import util @@ -81,7 +80,7 @@ def test_cant_import_other(self): def test_simple_repr(self): import foo.one - assert repr(foo).startswith(": module (.*) does not support loading in subinterpreters") - def run_with_own_gil(self, script): - interpid = _interpreters.create(isolated=True) - try: - _interpreters.run_string(interpid, script) - except _interpreters.RunFailedError as exc: - if m := self.ERROR.match(str(exc)): - modname, = m.groups() - raise ImportError(modname) + interpid = _interpreters.create('isolated') + def ensure_destroyed(): + try: + _interpreters.destroy(interpid) + except _interpreters.InterpreterNotFoundError: + pass + self.addCleanup(ensure_destroyed) + excsnap = _interpreters.exec(interpid, script) + if excsnap is not None: + if excsnap.type.__name__ == 'ImportError': + raise ImportError(excsnap.msg) def run_with_shared_gil(self, script): - interpid = _interpreters.create(isolated=False) - try: - _interpreters.run_string(interpid, script) - except _interpreters.RunFailedError as exc: - if m := self.ERROR.match(str(exc)): - modname, = m.groups() - raise ImportError(modname) + interpid = _interpreters.create('legacy') + def ensure_destroyed(): + try: + _interpreters.destroy(interpid) + except _interpreters.InterpreterNotFoundError: + pass + self.addCleanup(ensure_destroyed) + excsnap = _interpreters.exec(interpid, script) + if excsnap is not None: + if excsnap.type.__name__ == 'ImportError': + raise ImportError(excsnap.msg) @unittest.skipIf(_testsinglephase is None, "test requires _testsinglephase module") + # gh-117649: single-phase init modules are not currently supported in + # subinterpreters in the free-threaded build + @support.expected_failure_if_gil_disabled() def test_single_phase_init_module(self): script = textwrap.dedent(''' from importlib.util import _incompatible_extension_module_restrictions @@ -711,14 +711,22 @@ def test_single_phase_init_module(self): self.run_with_own_gil(script) @unittest.skipIf(_testmultiphase is None, "test requires _testmultiphase module") + @support.requires_gil_enabled("gh-117649: not supported in free-threaded build") def test_incomplete_multi_phase_init_module(self): + # Apple extensions must be distributed as frameworks. This requires + # a specialist loader. + if support.is_apple_mobile: + loader = "AppleFrameworkLoader" + else: + loader = "ExtensionFileLoader" + prescript = textwrap.dedent(f''' from importlib.util import spec_from_loader, module_from_spec - from importlib.machinery import ExtensionFileLoader + from importlib.machinery import {loader} name = '_test_shared_gil_only' filename = {_testmultiphase.__file__!r} - loader = ExtensionFileLoader(name, filename) + loader = {loader}(name, filename) spec = spec_from_loader(name, loader) ''') @@ -769,5 +777,35 @@ def test_complete_multi_phase_init_module(self): self.run_with_own_gil(script) +class MiscTests(unittest.TestCase): + def test_atomic_write_should_notice_incomplete_writes(self): + import _pyio + + oldwrite = os.write + seen_write = False + + truncate_at_length = 100 + + # Emulate an os.write that only writes partial data. + def write(fd, data): + nonlocal seen_write + seen_write = True + return oldwrite(fd, data[:truncate_at_length]) + + # Need to patch _io to be _pyio, so that io.FileIO is affected by the + # os.write patch. + with (support.swap_attr(_bootstrap_external, '_io', _pyio), + support.swap_attr(os, 'write', write)): + with self.assertRaises(OSError): + # Make sure we write something longer than the point where we + # truncate. + content = b'x' * (truncate_at_length * 2) + _bootstrap_external._write_atomic(os_helper.TESTFN, content) + assert seen_write + + with self.assertRaises(OSError): + os.stat(support.os_helper.TESTFN) # Check that the file did not get written. + + if __name__ == '__main__': unittest.main() diff --git a/Lib/test/test_importlib/test_windows.py b/Lib/test/test_importlib/test_windows.py index f8a9ead9ac8..8a9a8fffcd1 100644 --- a/Lib/test/test_importlib/test_windows.py +++ b/Lib/test/test_importlib/test_windows.py @@ -5,7 +5,7 @@ import re import sys import unittest -import warnings +from test import support from test.support import import_helper from contextlib import contextmanager from test.test_importlib.util import temp_module @@ -110,12 +110,12 @@ def test_module_not_found(self): @unittest.skipUnless(sys.platform.startswith('win'), 'requires Windows') class WindowsExtensionSuffixTests: - # TODO: RUSTPYTHON - @unittest.expectedFailure def test_tagged_suffix(self): suffixes = self.machinery.EXTENSION_SUFFIXES - expected_tag = ".cp{0.major}{0.minor}-{1}.pyd".format(sys.version_info, - re.sub('[^a-zA-Z0-9]', '_', get_platform())) + abi_flags = "t" if support.Py_GIL_DISABLED else "" + ver = sys.version_info + platform = re.sub('[^a-zA-Z0-9]', '_', get_platform()) + expected_tag = f".cp{ver.major}{ver.minor}{abi_flags}-{platform}.pyd" try: untagged_i = suffixes.index(".pyd") except ValueError: diff --git a/Lib/test/test_importlib/util.py b/Lib/test/test_importlib/util.py index c25be096e52..edbe78545a2 100644 --- a/Lib/test/test_importlib/util.py +++ b/Lib/test/test_importlib/util.py @@ -6,13 +6,17 @@ import marshal import os import os.path +from test import support from test.support import import_helper +from test.support import is_apple_mobile from test.support import os_helper import unittest import sys import tempfile import types +_testsinglephase = import_helper.import_module("_testsinglephase") + BUILTINS = types.SimpleNamespace() BUILTINS.good_name = None @@ -22,25 +26,39 @@ if 'importlib' not in sys.builtin_module_names: BUILTINS.bad_name = 'importlib' -EXTENSIONS = types.SimpleNamespace() -EXTENSIONS.path = None -EXTENSIONS.ext = None -EXTENSIONS.filename = None -EXTENSIONS.file_path = None -EXTENSIONS.name = '_testsinglephase' - -def _extension_details(): - global EXTENSIONS - for path in sys.path: - for ext in machinery.EXTENSION_SUFFIXES: - filename = EXTENSIONS.name + ext - file_path = os.path.join(path, filename) - if os.path.exists(file_path): - EXTENSIONS.path = path - EXTENSIONS.ext = ext - EXTENSIONS.filename = filename - EXTENSIONS.file_path = file_path - return +if support.is_wasi: + # dlopen() is a shim for WASI as of WASI SDK which fails by default. + # We don't provide an implementation, so tests will fail. + # But we also don't want to turn off dynamic loading for those that provide + # a working implementation. + def _extension_details(): + global EXTENSIONS + EXTENSIONS = None +else: + EXTENSIONS = types.SimpleNamespace() + EXTENSIONS.path = None + EXTENSIONS.ext = None + EXTENSIONS.filename = None + EXTENSIONS.file_path = None + EXTENSIONS.name = '_testsinglephase' + + def _extension_details(): + global EXTENSIONS + for path in sys.path: + for ext in machinery.EXTENSION_SUFFIXES: + # Apple mobile platforms mechanically load .so files, + # but the findable files are labelled .fwork + if is_apple_mobile: + ext = ext.replace(".so", ".fwork") + + filename = EXTENSIONS.name + ext + file_path = os.path.join(path, filename) + if os.path.exists(file_path): + EXTENSIONS.path = path + EXTENSIONS.ext = ext + EXTENSIONS.filename = filename + EXTENSIONS.file_path = file_path + return _extension_details() From 9166b80ae7f7273831764c02511ac6f707304662 Mon Sep 17 00:00:00 2001 From: Ashwin Naren Date: Thu, 13 Feb 2025 09:35:07 -0800 Subject: [PATCH 02/20] inspect function shim Signed-off-by: Ashwin Naren --- Lib/inspect.py | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/Lib/inspect.py b/Lib/inspect.py index a84f3346b35..9395328af13 100644 --- a/Lib/inspect.py +++ b/Lib/inspect.py @@ -1546,6 +1546,26 @@ def _check_class(klass, attr): pass return _sentinel + + +@functools.lru_cache() +def _shadowed_dict_from_weakref_mro_tuple(*weakref_mro): + for weakref_entry in weakref_mro: + # Normally we'd have to check whether the result of weakref_entry() + # is None here, in case the object the weakref is pointing to has died. + # In this specific case, however, we know that the only caller of this + # function is `_shadowed_dict()`, and that therefore this weakref is + # guaranteed to point to an object that is still alive. + entry = weakref_entry() + dunder_dict = _get_dunder_dict_of_class(entry) + if '__dict__' in dunder_dict: + class_dict = dunder_dict['__dict__'] + if not (type(class_dict) is types.GetSetDescriptorType and + class_dict.__name__ == "__dict__" and + class_dict.__objclass__ is entry): + return class_dict + return _sentinel + def _is_type(obj): try: _static_getmro(obj) From eda58051165ae9e46274bcf11145e57be6d9e83a Mon Sep 17 00:00:00 2001 From: Ashwin Naren Date: Thu, 13 Feb 2025 09:35:30 -0800 Subject: [PATCH 03/20] support and libregrtest to 3.13 Signed-off-by: Ashwin Naren --- Lib/test/libregrtest/cmdline.py | 261 ++- Lib/test/libregrtest/filter.py | 77 + Lib/test/libregrtest/findtests.py | 110 ++ Lib/test/libregrtest/logger.py | 91 + Lib/test/libregrtest/main.py | 1159 ++++++----- Lib/test/libregrtest/result.py | 250 +++ Lib/test/libregrtest/results.py | 274 +++ Lib/test/libregrtest/run_workers.py | 621 ++++++ Lib/test/libregrtest/runtests.py | 215 +++ Lib/test/libregrtest/setup.py | 160 +- Lib/test/libregrtest/single.py | 322 ++++ Lib/test/libregrtest/testresult.py | 193 ++ Lib/test/libregrtest/tsan.py | 33 + Lib/test/libregrtest/utils.py | 762 +++++++- .../import_from_tests/test_regrtest_a.py | 11 + .../test_regrtest_b/__init__.py | 9 + .../import_from_tests/test_regrtest_b/util.py | 0 .../import_from_tests/test_regrtest_c.py | 11 + Lib/test/support/__init__.py | 913 +++++---- Lib/test/support/bytecode_helper.py | 109 +- Lib/test/support/hypothesis_helper.py | 7 - Lib/test/support/i18n_helper.py | 63 + Lib/test/support/import_helper.py | 43 +- Lib/test/support/interpreters/__init__.py | 258 +++ Lib/test/support/interpreters/_crossinterp.py | 102 + Lib/test/support/interpreters/channels.py | 257 +++ Lib/test/support/interpreters/queues.py | 313 +++ Lib/test/support/os_helper.py | 70 +- Lib/test/support/pty_helper.py | 80 + Lib/test/support/refleak_helper.py | 8 + Lib/test/support/script_helper.py | 32 +- Lib/test/support/smtpd.py | 46 +- Lib/test/support/socket_helper.py | 10 +- Lib/test/support/testcase.py | 57 + Lib/test/support/threading_helper.py | 53 +- Lib/test/support/venv.py | 70 + Lib/test/test_regrtest.py | 1711 ++++++++++++++--- Lib/test/test_support.py | 204 +- 38 files changed, 7424 insertions(+), 1541 deletions(-) create mode 100644 Lib/test/libregrtest/filter.py create mode 100644 Lib/test/libregrtest/findtests.py create mode 100644 Lib/test/libregrtest/logger.py create mode 100644 Lib/test/libregrtest/result.py create mode 100644 Lib/test/libregrtest/results.py create mode 100644 Lib/test/libregrtest/run_workers.py create mode 100644 Lib/test/libregrtest/runtests.py create mode 100644 Lib/test/libregrtest/single.py create mode 100644 Lib/test/libregrtest/testresult.py create mode 100644 Lib/test/libregrtest/tsan.py create mode 100644 Lib/test/regrtestdata/import_from_tests/test_regrtest_a.py create mode 100644 Lib/test/regrtestdata/import_from_tests/test_regrtest_b/__init__.py create mode 100644 Lib/test/regrtestdata/import_from_tests/test_regrtest_b/util.py create mode 100644 Lib/test/regrtestdata/import_from_tests/test_regrtest_c.py create mode 100644 Lib/test/support/i18n_helper.py create mode 100644 Lib/test/support/interpreters/__init__.py create mode 100644 Lib/test/support/interpreters/_crossinterp.py create mode 100644 Lib/test/support/interpreters/channels.py create mode 100644 Lib/test/support/interpreters/queues.py create mode 100644 Lib/test/support/pty_helper.py create mode 100644 Lib/test/support/refleak_helper.py create mode 100644 Lib/test/support/venv.py diff --git a/Lib/test/libregrtest/cmdline.py b/Lib/test/libregrtest/cmdline.py index 0a97c8c19b1..0c94fcc1907 100644 --- a/Lib/test/libregrtest/cmdline.py +++ b/Lib/test/libregrtest/cmdline.py @@ -1,8 +1,9 @@ import argparse -import os +import os.path +import shlex import sys -from test import support -from test.support import os_helper +from test.support import os_helper, Py_DEBUG +from .utils import ALL_RESOURCES, RESOURCE_NAMES, TestFilter USAGE = """\ @@ -27,8 +28,10 @@ Additional option details: -r randomizes test execution order. You can use --randseed=int to provide an -int seed value for the randomizer; this is useful for reproducing troublesome -test orders. +int seed value for the randomizer. The randseed value will be used +to set seeds for all random usages in tests +(including randomizing the tests order if -r is set). +By default we always set random seed, but do not randomize test order. -s On the first invocation of regrtest using -s, the first test file found or the first test file given on the command line is run, and the name of @@ -107,6 +110,8 @@ cpu - Used for certain CPU-heavy tests. + walltime - Long running but not CPU-bound tests. + subprocess Run all tests for the subprocess module. urlfetch - It is okay to download files required on testing. @@ -128,17 +133,51 @@ """ -ALL_RESOURCES = ('audio', 'curses', 'largefile', 'network', - 'decimal', 'cpu', 'subprocess', 'urlfetch', 'gui') +class Namespace(argparse.Namespace): + def __init__(self, **kwargs) -> None: + self.ci = False + self.testdir = None + self.verbose = 0 + self.quiet = False + self.exclude = False + self.cleanup = False + self.wait = False + self.list_cases = False + self.list_tests = False + self.single = False + self.randomize = False + self.fromfile = None + self.fail_env_changed = False + self.use_resources: list[str] = [] + self.trace = False + self.coverdir = 'coverage' + self.runleaks = False + self.huntrleaks: tuple[int, int, str] | None = None + self.rerun = False + self.verbose3 = False + self.print_slow = False + self.random_seed = None + self.use_mp = None + self.forever = False + self.header = False + self.failfast = False + self.match_tests: TestFilter = [] + self.pgo = False + self.pgo_extended = False + self.tsan = False + self.worker_json = None + self.start = None + self.timeout = None + self.memlimit = None + self.threshold = None + self.fail_rerun = False + self.tempdir = None + self._add_python_opts = True + self.xmlpath = None + self.single_process = False + + super().__init__(**kwargs) -# Other resources excluded from --use=all: -# -# - extralagefile (ex: test_zipfile64): really too slow to be enabled -# "by default" -# - tzdata: while needed to validate fully test_datetime, it makes -# test_datetime too slow (15-20 min on some buildbots) and so is disabled by -# default (see bpo-30822). -RESOURCE_NAMES = ALL_RESOURCES + ('extralargefile', 'tzdata') class _ArgParser(argparse.ArgumentParser): @@ -146,6 +185,20 @@ def error(self, message): super().error(message + "\nPass -h or --help for complete help.") +class FilterAction(argparse.Action): + def __call__(self, parser, namespace, value, option_string=None): + items = getattr(namespace, self.dest) + items.append((value, self.const)) + + +class FromFileFilterAction(argparse.Action): + def __call__(self, parser, namespace, value, option_string=None): + items = getattr(namespace, self.dest) + with open(value, encoding='utf-8') as fp: + for line in fp: + items.append((line.strip(), self.const)) + + def _create_parser(): # Set prog to prevent the uninformative "__main__.py" from displaying in # error messages when using "python -m test ...". @@ -155,6 +208,7 @@ def _create_parser(): epilog=EPILOG, add_help=False, formatter_class=argparse.RawDescriptionHelpFormatter) + parser.set_defaults(match_tests=[]) # Arguments with this clause added to its help are described further in # the epilog's "Additional option details" section. @@ -164,23 +218,35 @@ def _create_parser(): # We add help explicitly to control what argument group it renders under. group.add_argument('-h', '--help', action='help', help='show this help message and exit') - group.add_argument('--timeout', metavar='TIMEOUT', type=float, + group.add_argument('--fast-ci', action='store_true', + help='Fast Continuous Integration (CI) mode used by ' + 'GitHub Actions') + group.add_argument('--slow-ci', action='store_true', + help='Slow Continuous Integration (CI) mode used by ' + 'buildbot workers') + group.add_argument('--timeout', metavar='TIMEOUT', help='dump the traceback and exit if a test takes ' 'more than TIMEOUT seconds; disabled if TIMEOUT ' 'is negative or equals to zero') group.add_argument('--wait', action='store_true', help='wait for user input, e.g., allow a debugger ' 'to be attached') - group.add_argument('--worker-args', metavar='ARGS') group.add_argument('-S', '--start', metavar='START', help='the name of the test at which to start.' + more_details) + group.add_argument('-p', '--python', metavar='PYTHON', + help='Command to run Python test subprocesses with.') + group.add_argument('--randseed', metavar='SEED', + dest='random_seed', type=int, + help='pass a global random seed') group = parser.add_argument_group('Verbosity') group.add_argument('-v', '--verbose', action='count', help='run tests in verbose mode with output to stdout') - group.add_argument('-w', '--verbose2', action='store_true', + group.add_argument('-w', '--rerun', action='store_true', help='re-run failed tests in verbose mode') + group.add_argument('--verbose2', action='store_true', dest='rerun', + help='deprecated alias to --rerun') group.add_argument('-W', '--verbose3', action='store_true', help='display test output on failure') group.add_argument('-q', '--quiet', action='store_true', @@ -193,10 +259,6 @@ def _create_parser(): group = parser.add_argument_group('Selecting tests') group.add_argument('-r', '--randomize', action='store_true', help='randomize test execution order.' + more_details) - group.add_argument('--randseed', metavar='SEED', - dest='random_seed', type=int, - help='pass a random seed to reproduce a previous ' - 'random run') group.add_argument('-f', '--fromfile', metavar='FILE', help='read names of tests to run from a file.' + more_details) @@ -206,12 +268,21 @@ def _create_parser(): help='single step through a set of tests.' + more_details) group.add_argument('-m', '--match', metavar='PAT', - dest='match_tests', action='append', + dest='match_tests', action=FilterAction, const=True, help='match test cases and methods with glob pattern PAT') + group.add_argument('-i', '--ignore', metavar='PAT', + dest='match_tests', action=FilterAction, const=False, + help='ignore test cases and methods with glob pattern PAT') group.add_argument('--matchfile', metavar='FILENAME', - dest='match_filename', + dest='match_tests', + action=FromFileFilterAction, const=True, help='similar to --match but get patterns from a ' 'text file, one pattern per line') + group.add_argument('--ignorefile', metavar='FILENAME', + dest='match_tests', + action=FromFileFilterAction, const=False, + help='similar to --matchfile but it receives patterns ' + 'from text file to ignore') group.add_argument('-G', '--failfast', action='store_true', help='fail as soon as a test fails (only with -v or -W)') group.add_argument('-u', '--use', metavar='RES1,RES2,...', @@ -227,9 +298,6 @@ def _create_parser(): '(instead of the Python stdlib test suite)') group = parser.add_argument_group('Special runs') - group.add_argument('-l', '--findleaks', action='store_const', const=2, - default=1, - help='deprecated alias to --fail-env-changed') group.add_argument('-L', '--runleaks', action='store_true', help='run the leaks(1) command just before exit.' + more_details) @@ -240,6 +308,12 @@ def _create_parser(): group.add_argument('-j', '--multiprocess', metavar='PROCESSES', dest='use_mp', type=int, help='run PROCESSES processes at once') + group.add_argument('--single-process', action='store_true', + dest='single_process', + help='always run all tests sequentially in ' + 'a single process, ignore -jN option, ' + 'and failed tests are also rerun sequentially ' + 'in the same process') group.add_argument('-T', '--coverage', action='store_true', dest='trace', help='turn on code coverage tracing using the trace ' @@ -257,7 +331,7 @@ def _create_parser(): help='suppress error message boxes on Windows') group.add_argument('-F', '--forever', action='store_true', help='run the specified tests in a loop, until an ' - 'error happens') + 'error happens; imply --failfast') group.add_argument('--list-tests', action='store_true', help="only write the name of tests that will be run, " "don't execute them") @@ -265,16 +339,30 @@ def _create_parser(): help='only write the name of test cases that will be run' ' , don\'t execute them') group.add_argument('-P', '--pgo', dest='pgo', action='store_true', - help='enable Profile Guided Optimization training') + help='enable Profile Guided Optimization (PGO) training') + group.add_argument('--pgo-extended', action='store_true', + help='enable extended PGO training (slower training)') + group.add_argument('--tsan', dest='tsan', action='store_true', + help='run a subset of test cases that are proper for the TSAN test') group.add_argument('--fail-env-changed', action='store_true', help='if a test file alters the environment, mark ' 'the test as failed') + group.add_argument('--fail-rerun', action='store_true', + help='if a test failed and then passed when re-run, ' + 'mark the tests as failed') group.add_argument('--junit-xml', dest='xmlpath', metavar='FILENAME', help='writes JUnit-style XML results to the specified ' 'file') - group.add_argument('--tempdir', dest='tempdir', metavar='PATH', + group.add_argument('--tempdir', metavar='PATH', help='override the working directory for the test run') + group.add_argument('--cleanup', action='store_true', + help='remove old test_python_* directories') + group.add_argument('--bisect', action='store_true', + help='if some tests fail, run test.bisect_cmd on them') + group.add_argument('--dont-add-python-opts', dest='_add_python_opts', + action='store_false', + help="internal option, don't use it") return parser @@ -309,19 +397,12 @@ def resources_list(string): def _parse_args(args, **kwargs): # Defaults - ns = argparse.Namespace(testdir=None, verbose=0, quiet=False, - exclude=False, single=False, randomize=False, fromfile=None, - findleaks=1, use_resources=None, trace=False, coverdir='coverage', - runleaks=False, huntrleaks=False, verbose2=False, print_slow=False, - random_seed=None, use_mp=None, verbose3=False, forever=False, - header=False, failfast=False, match_tests=None, pgo=False) + ns = Namespace() for k, v in kwargs.items(): if not hasattr(ns, k): raise TypeError('%r is an invalid keyword argument ' 'for this function' % k) setattr(ns, k, v) - if ns.use_resources is None: - ns.use_resources = [] parser = _create_parser() # Issue #14191: argparse doesn't support "intermixed" positional and @@ -330,19 +411,77 @@ def _parse_args(args, **kwargs): for arg in ns.args: if arg.startswith('-'): parser.error("unrecognized arguments: %s" % arg) - sys.exit(1) - if ns.findleaks > 1: - # --findleaks implies --fail-env-changed + if ns.timeout is not None: + # Support "--timeout=" (no value) so Makefile.pre.pre TESTTIMEOUT + # can be used by "make buildbottest" and "make test". + if ns.timeout != "": + try: + ns.timeout = float(ns.timeout) + except ValueError: + parser.error(f"invalid timeout value: {ns.timeout!r}") + else: + ns.timeout = None + + # Continuous Integration (CI): common options for fast/slow CI modes + if ns.slow_ci or ns.fast_ci: + # Similar to options: + # -j0 --randomize --fail-env-changed --rerun --slowest --verbose3 + if ns.use_mp is None: + ns.use_mp = 0 + ns.randomize = True ns.fail_env_changed = True + if ns.python is None: + ns.rerun = True + ns.print_slow = True + ns.verbose3 = True + else: + ns._add_python_opts = False + + # --singleprocess overrides -jN option + if ns.single_process: + ns.use_mp = None + + # When both --slow-ci and --fast-ci options are present, + # --slow-ci has the priority + if ns.slow_ci: + # Similar to: -u "all" --timeout=1200 + if ns.use is None: + ns.use = [] + ns.use.insert(0, ['all']) + if ns.timeout is None: + ns.timeout = 1200 # 20 minutes + elif ns.fast_ci: + # Similar to: -u "all,-cpu" --timeout=600 + if ns.use is None: + ns.use = [] + ns.use.insert(0, ['all', '-cpu']) + if ns.timeout is None: + ns.timeout = 600 # 10 minutes + if ns.single and ns.fromfile: parser.error("-s and -f don't go together!") - if ns.use_mp is not None and ns.trace: - parser.error("-T and -j don't go together!") + if ns.trace: + if ns.use_mp is not None: + if not Py_DEBUG: + parser.error("need --with-pydebug to use -T and -j together") + else: + print( + "Warning: collecting coverage without -j is imprecise. Configure" + " --with-pydebug and run -m test -T -j for best results.", + file=sys.stderr + ) + if ns.python is not None: + if ns.use_mp is None: + parser.error("-p requires -j!") + # The "executable" may be two or more parts, e.g. "node python.js" + ns.python = shlex.split(ns.python) if ns.failfast and not (ns.verbose or ns.verbose3): parser.error("-G/--failfast needs either -v or -W") - if ns.pgo and (ns.verbose or ns.verbose2 or ns.verbose3): + if ns.pgo and (ns.verbose or ns.rerun or ns.verbose3): parser.error("--pgo/-v don't go together!") + if ns.pgo_extended: + ns.pgo = True # pgo_extended implies pgo if ns.nowindows: print("Warning: the --nowindows (-n) option is deprecated. " @@ -353,10 +492,6 @@ def _parse_args(args, **kwargs): if ns.timeout is not None: if ns.timeout <= 0: ns.timeout = None - if ns.use_mp is not None: - if ns.use_mp <= 0: - # Use all cores + extras for tests that like to sleep - ns.use_mp = 2 + (os.cpu_count() or 1) if ns.use: for a in ns.use: for r in a: @@ -379,16 +514,30 @@ def _parse_args(args, **kwargs): ns.randomize = True if ns.verbose: ns.header = True - if ns.huntrleaks and ns.verbose3: + + # When -jN option is used, a worker process does not use --verbose3 + # and so -R 3:3 -jN --verbose3 just works as expected: there is no false + # alarm about memory leak. + if ns.huntrleaks and ns.verbose3 and ns.use_mp is None: + # run_single_test() replaces sys.stdout with io.StringIO if verbose3 + # is true. In this case, huntrleaks sees an write into StringIO as + # a memory leak, whereas it is not (gh-71290). ns.verbose3 = False print("WARNING: Disable --verbose3 because it's incompatible with " - "--huntrleaks: see http://bugs.python.org/issue27103", + "--huntrleaks without -jN option", file=sys.stderr) - if ns.match_filename: - if ns.match_tests is None: - ns.match_tests = [] - with open(ns.match_filename) as fp: - for line in fp: - ns.match_tests.append(line.strip()) + + if ns.forever: + # --forever implies --failfast + ns.failfast = True + + if ns.huntrleaks: + warmup, repetitions, _ = ns.huntrleaks + if warmup < 1 or repetitions < 1: + msg = ("Invalid values for the --huntrleaks/-R parameters. The " + "number of warmups and repetitions must be at least 1 " + "each (1:1).") + print(msg, file=sys.stderr, flush=True) + sys.exit(2) return ns diff --git a/Lib/test/libregrtest/filter.py b/Lib/test/libregrtest/filter.py new file mode 100644 index 00000000000..41372e427ff --- /dev/null +++ b/Lib/test/libregrtest/filter.py @@ -0,0 +1,77 @@ +import itertools +import operator +import re + + +# By default, don't filter tests +_test_matchers = () +_test_patterns = () + + +def match_test(test): + # Function used by support.run_unittest() and regrtest --list-cases + result = False + for matcher, result in reversed(_test_matchers): + if matcher(test.id()): + return result + return not result + + +def _is_full_match_test(pattern): + # If a pattern contains at least one dot, it's considered + # as a full test identifier. + # Example: 'test.test_os.FileTests.test_access'. + # + # ignore patterns which contain fnmatch patterns: '*', '?', '[...]' + # or '[!...]'. For example, ignore 'test_access*'. + return ('.' in pattern) and (not re.search(r'[?*\[\]]', pattern)) + + +def get_match_tests(): + global _test_patterns + return _test_patterns + + +def set_match_tests(patterns): + global _test_matchers, _test_patterns + + if not patterns: + _test_matchers = () + _test_patterns = () + else: + itemgetter = operator.itemgetter + patterns = tuple(patterns) + if patterns != _test_patterns: + _test_matchers = [ + (_compile_match_function(map(itemgetter(0), it)), result) + for result, it in itertools.groupby(patterns, itemgetter(1)) + ] + _test_patterns = patterns + + +def _compile_match_function(patterns): + patterns = list(patterns) + + if all(map(_is_full_match_test, patterns)): + # Simple case: all patterns are full test identifier. + # The test.bisect_cmd utility only uses such full test identifiers. + return set(patterns).__contains__ + else: + import fnmatch + regex = '|'.join(map(fnmatch.translate, patterns)) + # The search *is* case sensitive on purpose: + # don't use flags=re.IGNORECASE + regex_match = re.compile(regex).match + + def match_test_regex(test_id, regex_match=regex_match): + if regex_match(test_id): + # The regex matches the whole identifier, for example + # 'test.test_os.FileTests.test_access'. + return True + else: + # Try to match parts of the test identifier. + # For example, split 'test.test_os.FileTests.test_access' + # into: 'test', 'test_os', 'FileTests' and 'test_access'. + return any(map(regex_match, test_id.split("."))) + + return match_test_regex diff --git a/Lib/test/libregrtest/findtests.py b/Lib/test/libregrtest/findtests.py new file mode 100644 index 00000000000..f01c1240774 --- /dev/null +++ b/Lib/test/libregrtest/findtests.py @@ -0,0 +1,110 @@ +import os +import sys +import unittest +from collections.abc import Container + +from test import support + +from .filter import match_test, set_match_tests +from .utils import ( + StrPath, TestName, TestTuple, TestList, TestFilter, + abs_module_name, count, printlist) + + +# If these test directories are encountered recurse into them and treat each +# "test_*.py" file or each sub-directory as a separate test module. This can +# increase parallelism. +# +# Beware this can't generally be done for any directory with sub-tests as the +# __init__.py may do things which alter what tests are to be run. +SPLITTESTDIRS: set[TestName] = { + "test_asyncio", + "test_concurrent_futures", + "test_doctests", + "test_future_stmt", + "test_gdb", + "test_inspect", + "test_pydoc", + "test_multiprocessing_fork", + "test_multiprocessing_forkserver", + "test_multiprocessing_spawn", +} + + +def findtestdir(path: StrPath | None = None) -> StrPath: + return path or os.path.dirname(os.path.dirname(__file__)) or os.curdir + + +def findtests(*, testdir: StrPath | None = None, exclude: Container[str] = (), + split_test_dirs: set[TestName] = SPLITTESTDIRS, + base_mod: str = "") -> TestList: + """Return a list of all applicable test modules.""" + testdir = findtestdir(testdir) + tests = [] + for name in os.listdir(testdir): + mod, ext = os.path.splitext(name) + if (not mod.startswith("test_")) or (mod in exclude): + continue + if base_mod: + fullname = f"{base_mod}.{mod}" + else: + fullname = mod + if fullname in split_test_dirs: + subdir = os.path.join(testdir, mod) + if not base_mod: + fullname = f"test.{mod}" + tests.extend(findtests(testdir=subdir, exclude=exclude, + split_test_dirs=split_test_dirs, + base_mod=fullname)) + elif ext in (".py", ""): + tests.append(fullname) + return sorted(tests) + + +def split_test_packages(tests, *, testdir: StrPath | None = None, + exclude: Container[str] = (), + split_test_dirs=SPLITTESTDIRS) -> list[TestName]: + testdir = findtestdir(testdir) + splitted = [] + for name in tests: + if name in split_test_dirs: + subdir = os.path.join(testdir, name) + splitted.extend(findtests(testdir=subdir, exclude=exclude, + split_test_dirs=split_test_dirs, + base_mod=name)) + else: + splitted.append(name) + return splitted + + +def _list_cases(suite: unittest.TestSuite) -> None: + for test in suite: + if isinstance(test, unittest.loader._FailedTest): # type: ignore[attr-defined] + continue + if isinstance(test, unittest.TestSuite): + _list_cases(test) + elif isinstance(test, unittest.TestCase): + if match_test(test): + print(test.id()) + +def list_cases(tests: TestTuple, *, + match_tests: TestFilter | None = None, + test_dir: StrPath | None = None) -> None: + support.verbose = False + set_match_tests(match_tests) + + skipped = [] + for test_name in tests: + module_name = abs_module_name(test_name, test_dir) + try: + suite = unittest.defaultTestLoader.loadTestsFromName(module_name) + _list_cases(suite) + except unittest.SkipTest: + skipped.append(test_name) + + if skipped: + sys.stdout.flush() + stderr = sys.stderr + print(file=stderr) + print(count(len(skipped), "test"), "skipped:", file=stderr) + printlist(skipped, file=stderr) diff --git a/Lib/test/libregrtest/logger.py b/Lib/test/libregrtest/logger.py new file mode 100644 index 00000000000..40f0ba6d784 --- /dev/null +++ b/Lib/test/libregrtest/logger.py @@ -0,0 +1,91 @@ +import os +import time + +from test.support import MS_WINDOWS +from .results import TestResults +from .runtests import RunTests +from .utils import print_warning + +if MS_WINDOWS: + from .win_utils import WindowsLoadTracker + + +class Logger: + def __init__(self, results: TestResults, quiet: bool, pgo: bool): + self.start_time = time.perf_counter() + self.test_count_text = '' + self.test_count_width = 3 + self.win_load_tracker: WindowsLoadTracker | None = None + self._results: TestResults = results + self._quiet: bool = quiet + self._pgo: bool = pgo + + def log(self, line: str = '') -> None: + empty = not line + + # add the system load prefix: "load avg: 1.80 " + load_avg = self.get_load_avg() + if load_avg is not None: + line = f"load avg: {load_avg:.2f} {line}" + + # add the timestamp prefix: "0:01:05 " + log_time = time.perf_counter() - self.start_time + + mins, secs = divmod(int(log_time), 60) + hours, mins = divmod(mins, 60) + formatted_log_time = "%d:%02d:%02d" % (hours, mins, secs) + + line = f"{formatted_log_time} {line}" + if empty: + line = line[:-1] + + print(line, flush=True) + + def get_load_avg(self) -> float | None: + if hasattr(os, 'getloadavg'): + try: + return os.getloadavg()[0] + except OSError: + pass + if self.win_load_tracker is not None: + return self.win_load_tracker.getloadavg() + return None + + def display_progress(self, test_index: int, text: str) -> None: + if self._quiet: + return + results = self._results + + # "[ 51/405/1] test_tcl passed" + line = f"{test_index:{self.test_count_width}}{self.test_count_text}" + fails = len(results.bad) + len(results.env_changed) + if fails and not self._pgo: + line = f"{line}/{fails}" + self.log(f"[{line}] {text}") + + def set_tests(self, runtests: RunTests) -> None: + if runtests.forever: + self.test_count_text = '' + self.test_count_width = 3 + else: + self.test_count_text = '/{}'.format(len(runtests.tests)) + self.test_count_width = len(self.test_count_text) - 1 + + def start_load_tracker(self) -> None: + if not MS_WINDOWS: + return + + try: + # TODO: RUSTPYTHON + # self.win_load_tracker = WindowsLoadTracker() + self.win_load_tracker = None + except PermissionError as error: + # Standard accounts may not have access to the performance + # counters. + print_warning(f'Failed to create WindowsLoadTracker: {error}') + + def stop_load_tracker(self) -> None: + if self.win_load_tracker is None: + return + self.win_load_tracker.close() + self.win_load_tracker = None diff --git a/Lib/test/libregrtest/main.py b/Lib/test/libregrtest/main.py index e1d19e1e4ac..336ce5668a9 100644 --- a/Lib/test/libregrtest/main.py +++ b/Lib/test/libregrtest/main.py @@ -1,42 +1,33 @@ -import datetime -import faulthandler -import json -import locale import os -import platform import random import re +import shlex import sys import sysconfig -import tempfile import time -import unittest -from test.libregrtest.cmdline import _parse_args -from test.libregrtest.runtest import ( - findtests, runtest, get_abs_module, - STDTESTS, NOTTESTS, PASSED, FAILED, ENV_CHANGED, SKIPPED, RESOURCE_DENIED, - INTERRUPTED, CHILD_ERROR, TEST_DID_NOT_RUN, - PROGRESS_MIN_TIME, format_test_result) -from test.libregrtest.setup import setup_tests -from test.libregrtest.utils import removepy, count, format_duration, printlist -from test import support -from test.support import os_helper, import_helper - - -# When tests are run from the Python build directory, it is best practice -# to keep the test files in a subfolder. This eases the cleanup of leftover -# files using the "make distclean" command. -if sysconfig.is_python_build(): - TEMPDIR = sysconfig.get_config_var('abs_builddir') - if TEMPDIR is None: - # bpo-30284: On Windows, only srcdir is available. Using abs_builddir - # mostly matters on UNIX when building Python out of the source tree, - # especially when the source tree is read only. - TEMPDIR = sysconfig.get_config_var('srcdir') - TEMPDIR = os.path.join(TEMPDIR, 'build') -else: - TEMPDIR = tempfile.gettempdir() -TEMPDIR = os.path.abspath(TEMPDIR) +import trace +from _colorize import get_colors # type: ignore[import-not-found] +from typing import NoReturn + +from test.support import os_helper, MS_WINDOWS, flush_std_streams + +from .cmdline import _parse_args, Namespace +from .findtests import findtests, split_test_packages, list_cases +from .logger import Logger +# from .pgo import setup_pgo_tests +from .result import State, TestResult +from .results import TestResults, EXITCODE_INTERRUPTED +from .runtests import RunTests, HuntRefleak +from .setup import setup_process, setup_test_dir +from .single import run_single_test, PROGRESS_MIN_TIME +from .tsan import setup_tsan_tests +from .utils import ( + StrPath, StrJSON, TestName, TestList, TestTuple, TestFilter, + strip_py_suffix, count, format_duration, + printlist, get_temp_dir, get_work_dir, exit_timeout, + display_header, cleanup_temp_dir, print_warning, + is_cross_compiled, get_host_runner, + EXIT_TIMEOUT) class Regrtest: @@ -57,362 +48,369 @@ class Regrtest: files beginning with test_ will be used. The other default arguments (verbose, quiet, exclude, - single, randomize, findleaks, use_resources, trace, coverdir, + single, randomize, use_resources, trace, coverdir, print_slow, and random_seed) allow programmers calling main() directly to set the values that would normally be set by flags on the command line. """ - def __init__(self): - # Namespace of command line options - self.ns = None + def __init__(self, ns: Namespace, _add_python_opts: bool = False): + # Log verbosity + self.verbose: int = int(ns.verbose) + self.quiet: bool = ns.quiet + self.pgo: bool = ns.pgo + self.pgo_extended: bool = ns.pgo_extended + self.tsan: bool = ns.tsan + + # Test results + self.results: TestResults = TestResults() + self.first_state: str | None = None + + # Logger + self.logger = Logger(self.results, self.quiet, self.pgo) + + # Actions + self.want_header: bool = ns.header + self.want_list_tests: bool = ns.list_tests + self.want_list_cases: bool = ns.list_cases + self.want_wait: bool = ns.wait + self.want_cleanup: bool = ns.cleanup + self.want_rerun: bool = ns.rerun + self.want_run_leaks: bool = ns.runleaks + self.want_bisect: bool = ns.bisect + + self.ci_mode: bool = (ns.fast_ci or ns.slow_ci) + self.want_add_python_opts: bool = (_add_python_opts + and ns._add_python_opts) + + # Select tests + self.match_tests: TestFilter = ns.match_tests + self.exclude: bool = ns.exclude + self.fromfile: StrPath | None = ns.fromfile + self.starting_test: TestName | None = ns.start + self.cmdline_args: TestList = ns.args + + # Workers + self.single_process: bool = ns.single_process + if self.single_process or ns.use_mp is None: + num_workers = 0 # run sequentially in a single process + elif ns.use_mp <= 0: + num_workers = -1 # run in parallel, use the number of CPUs + else: + num_workers = ns.use_mp # run in parallel + self.num_workers: int = num_workers + self.worker_json: StrJSON | None = ns.worker_json + + # Options to run tests + self.fail_fast: bool = ns.failfast + self.fail_env_changed: bool = ns.fail_env_changed + self.fail_rerun: bool = ns.fail_rerun + self.forever: bool = ns.forever + self.output_on_failure: bool = ns.verbose3 + self.timeout: float | None = ns.timeout + if ns.huntrleaks: + warmups, runs, filename = ns.huntrleaks + filename = os.path.abspath(filename) + self.hunt_refleak: HuntRefleak | None = HuntRefleak(warmups, runs, filename) + else: + self.hunt_refleak = None + self.test_dir: StrPath | None = ns.testdir + self.junit_filename: StrPath | None = ns.xmlpath + self.memory_limit: str | None = ns.memlimit + self.gc_threshold: int | None = ns.threshold + self.use_resources: tuple[str, ...] = tuple(ns.use_resources) + if ns.python: + self.python_cmd: tuple[str, ...] | None = tuple(ns.python) + else: + self.python_cmd = None + self.coverage: bool = ns.trace + self.coverage_dir: StrPath | None = ns.coverdir + self._tmp_dir: StrPath | None = ns.tempdir + + # Randomize + self.randomize: bool = ns.randomize + if ('SOURCE_DATE_EPOCH' in os.environ + # don't use the variable if empty + and os.environ['SOURCE_DATE_EPOCH'] + ): + self.randomize = False + # SOURCE_DATE_EPOCH should be an integer, but use a string to not + # fail if it's not integer. random.seed() accepts a string. + # https://reproducible-builds.org/docs/source-date-epoch/ + self.random_seed: int | str = os.environ['SOURCE_DATE_EPOCH'] + elif ns.random_seed is None: + self.random_seed = random.getrandbits(32) + else: + self.random_seed = ns.random_seed # tests - self.tests = [] - self.selected = [] - - # test results - self.good = [] - self.bad = [] - self.skipped = [] - self.resource_denieds = [] - self.environment_changed = [] - self.run_no_tests = [] - self.rerun = [] - self.first_result = None - self.interrupted = False - - # used by --slow - self.test_times = [] - - # used by --coverage, trace.Trace instance - self.tracer = None + self.first_runtests: RunTests | None = None + + # used by --slowest + self.print_slowest: bool = ns.print_slow # used to display the progress bar "[ 3/100]" - self.start_time = time.monotonic() - self.test_count = '' - self.test_count_width = 1 + self.start_time = time.perf_counter() # used by --single - self.next_single_test = None - self.next_single_filename = None - - # used by --junit-xml - self.testsuite_xml = None - - self.win_load_tracker = None - - def get_executed(self): - return (set(self.good) | set(self.bad) | set(self.skipped) - | set(self.resource_denieds) | set(self.environment_changed) - | set(self.run_no_tests)) - - def accumulate_result(self, result, rerun=False): - test_name = result.test_name - ok = result.result - - if ok not in (CHILD_ERROR, INTERRUPTED) and not rerun: - self.test_times.append((result.test_time, test_name)) - - if ok == PASSED: - self.good.append(test_name) - elif ok in (FAILED, CHILD_ERROR): - if not rerun: - self.bad.append(test_name) - elif ok == ENV_CHANGED: - self.environment_changed.append(test_name) - elif ok == SKIPPED: - self.skipped.append(test_name) - elif ok == RESOURCE_DENIED: - self.skipped.append(test_name) - self.resource_denieds.append(test_name) - elif ok == TEST_DID_NOT_RUN: - self.run_no_tests.append(test_name) - elif ok == INTERRUPTED: - self.interrupted = True - else: - raise ValueError("invalid test result: %r" % ok) - - if rerun and ok not in {FAILED, CHILD_ERROR, INTERRUPTED}: - self.bad.remove(test_name) - - xml_data = result.xml_data - if xml_data: - import xml.etree.ElementTree as ET - for e in xml_data: - try: - self.testsuite_xml.append(ET.fromstring(e)) - except ET.ParseError: - print(xml_data, file=sys.__stderr__) - raise - - def display_progress(self, test_index, text): - if self.ns.quiet: - return - - # "[ 51/405/1] test_tcl passed" - line = f"{test_index:{self.test_count_width}}{self.test_count}" - fails = len(self.bad) + len(self.environment_changed) - if fails and not self.ns.pgo: - line = f"{line}/{fails}" - line = f"[{line}] {text}" - - # add the system load prefix: "load avg: 1.80 " - load_avg = self.getloadavg() - if load_avg is not None: - line = f"load avg: {load_avg:.2f} {line}" - - # add the timestamp prefix: "0:01:05 " - test_time = time.monotonic() - self.start_time - test_time = datetime.timedelta(seconds=int(test_time)) - line = f"{test_time} {line}" - print(line, flush=True) - - def parse_args(self, kwargs): - ns = _parse_args(sys.argv[1:], **kwargs) - - if ns.timeout and not hasattr(faulthandler, 'dump_traceback_later'): - print("Warning: The timeout option requires " - "faulthandler.dump_traceback_later", file=sys.stderr) - ns.timeout = None - - if ns.xmlpath: - support.junit_xml_list = self.testsuite_xml = [] - - # Strip .py extensions. - removepy(ns.args) - - return ns - - def find_tests(self, tests): - self.tests = tests - - if self.ns.single: - self.next_single_filename = os.path.join(TEMPDIR, 'pynexttest') + self.single_test_run: bool = ns.single + self.next_single_test: TestName | None = None + self.next_single_filename: StrPath | None = None + + def log(self, line: str = '') -> None: + self.logger.log(line) + + def find_tests(self, tests: TestList | None = None) -> tuple[TestTuple, TestList | None]: + if tests is None: + tests = [] + if self.single_test_run: + self.next_single_filename = os.path.join(self.tmp_dir, 'pynexttest') try: with open(self.next_single_filename, 'r') as fp: next_test = fp.read().strip() - self.tests = [next_test] + tests = [next_test] except OSError: pass - if self.ns.fromfile: - self.tests = [] + if self.fromfile: + tests = [] # regex to match 'test_builtin' in line: # '0:00:00 [ 4/400] test_builtin -- test_dict took 1 sec' regex = re.compile(r'\btest_[a-zA-Z0-9_]+\b') - with open(os.path.join(os_helper.SAVEDCWD, self.ns.fromfile)) as fp: + with open(os.path.join(os_helper.SAVEDCWD, self.fromfile)) as fp: for line in fp: line = line.split('#', 1)[0] line = line.strip() match = regex.search(line) if match is not None: - self.tests.append(match.group()) - - removepy(self.tests) - - stdtests = STDTESTS[:] - nottests = NOTTESTS.copy() - if self.ns.exclude: - for arg in self.ns.args: - if arg in stdtests: - stdtests.remove(arg) - nottests.add(arg) - self.ns.args = [] - - # if testdir is set, then we are not running the python tests suite, so - # don't add default tests to be executed or skipped (pass empty values) - if self.ns.testdir: - alltests = findtests(self.ns.testdir, list(), set()) - else: - alltests = findtests(self.ns.testdir, stdtests, nottests) + tests.append(match.group()) + + strip_py_suffix(tests) + + if self.pgo: + # TODO: RUSTPYTHON + pass + # add default PGO tests if no tests are specified + # setup_pgo_tests(self.cmdline_args, self.pgo_extended) - if not self.ns.fromfile: - self.selected = self.tests or self.ns.args or alltests + if self.tsan: + setup_tsan_tests(self.cmdline_args) + + exclude_tests = set() + if self.exclude: + for arg in self.cmdline_args: + exclude_tests.add(arg) + self.cmdline_args = [] + + alltests = findtests(testdir=self.test_dir, + exclude=exclude_tests) + + if not self.fromfile: + selected = tests or self.cmdline_args + if selected: + selected = split_test_packages(selected) + else: + selected = alltests else: - self.selected = self.tests - if self.ns.single: - self.selected = self.selected[:1] + selected = tests + + if self.single_test_run: + selected = selected[:1] try: - pos = alltests.index(self.selected[0]) + pos = alltests.index(selected[0]) self.next_single_test = alltests[pos + 1] except IndexError: pass # Remove all the selected tests that precede start if it's set. - if self.ns.start: + if self.starting_test: try: - del self.selected[:self.selected.index(self.ns.start)] + del selected[:selected.index(self.starting_test)] except ValueError: - print("Couldn't find starting test (%s), using all tests" - % self.ns.start, file=sys.stderr) - - if self.ns.randomize: - if self.ns.random_seed is None: - self.ns.random_seed = random.randrange(10000000) - random.seed(self.ns.random_seed) - random.shuffle(self.selected) + print(f"Cannot find starting test: {self.starting_test}") + sys.exit(1) - def list_tests(self): - for name in self.selected: - print(name) + random.seed(self.random_seed) + if self.randomize: + random.shuffle(selected) - def _list_cases(self, suite): - for test in suite: - if isinstance(test, unittest.loader._FailedTest): - continue - if isinstance(test, unittest.TestSuite): - self._list_cases(test) - elif isinstance(test, unittest.TestCase): - if support.match_test(test): - print(test.id()) - - def list_cases(self): - support.verbose = False - support.set_match_tests(self.ns.match_tests) - - for test_name in self.selected: - abstest = get_abs_module(self.ns, test_name) - try: - suite = unittest.defaultTestLoader.loadTestsFromName(abstest) - self._list_cases(suite) - except unittest.SkipTest: - self.skipped.append(test_name) + return (tuple(selected), tests) - if self.skipped: - print(file=sys.stderr) - print(count(len(self.skipped), "test"), "skipped:", file=sys.stderr) - printlist(self.skipped, file=sys.stderr) + @staticmethod + def list_tests(tests: TestTuple) -> None: + for name in tests: + print(name) - def rerun_failed_tests(self): - self.ns.verbose = True - self.ns.failfast = False - self.ns.verbose3 = False + def _rerun_failed_tests(self, runtests: RunTests) -> RunTests: + # Configure the runner to re-run tests + if self.num_workers == 0 and not self.single_process: + # Always run tests in fresh processes to have more deterministic + # initial state. Don't re-run tests in parallel but limit to a + # single worker process to have side effects (on the system load + # and timings) between tests. + self.num_workers = 1 + + tests, match_tests_dict = self.results.prepare_rerun() + + # Re-run failed tests + runtests = runtests.copy( + tests=tests, + rerun=True, + verbose=True, + forever=False, + fail_fast=False, + match_tests_dict=match_tests_dict, + output_on_failure=False) + self.logger.set_tests(runtests) + + msg = f"Re-running {len(tests)} failed tests in verbose mode" + if not self.single_process: + msg = f"{msg} in subprocesses" + self.log(msg) + self._run_tests_mp(runtests, self.num_workers) + else: + self.log(msg) + self.run_tests_sequentially(runtests) + return runtests + + def rerun_failed_tests(self, runtests: RunTests) -> None: + ansi = get_colors() + red, reset = ansi.BOLD_RED, ansi.RESET + + if self.python_cmd: + # Temp patch for https://github.com/python/cpython/issues/94052 + self.log( + "Re-running failed tests is not supported with --python " + "host runner option." + ) + return - self.first_result = self.get_tests_result() + self.first_state = self.get_state() print() - print("Re-running failed tests in verbose mode") - self.rerun = self.bad[:] - for test_name in self.rerun: - print(f"Re-running {test_name} in verbose mode", flush=True) - self.ns.verbose = True - result = runtest(self.ns, test_name) + rerun_runtests = self._rerun_failed_tests(runtests) - self.accumulate_result(result, rerun=True) + if self.results.bad: + print( + f"{red}{count(len(self.results.bad), 'test')} " + f"failed again:{reset}" + ) + printlist(self.results.bad) - if result.result == INTERRUPTED: - break + self.display_result(rerun_runtests) - if self.bad: - print(count(len(self.bad), 'test'), "failed again:") - printlist(self.bad) + def _run_bisect(self, runtests: RunTests, test: str, progress: str) -> bool: + print() + title = f"Bisect {test}" + if progress: + title = f"{title} ({progress})" + print(title) + print("#" * len(title)) + print() - self.display_result() + cmd = runtests.create_python_cmd() + cmd.extend([ + "-u", "-m", "test.bisect_cmd", + # Limit to 25 iterations (instead of 100) to not abuse CI resources + "--max-iter", "25", + "-v", + # runtests.match_tests is not used (yet) for bisect_cmd -i arg + ]) + cmd.extend(runtests.bisect_cmd_args()) + cmd.append(test) + print("+", shlex.join(cmd), flush=True) + + flush_std_streams() + + import subprocess + proc = subprocess.run(cmd, timeout=runtests.timeout) + exitcode = proc.returncode + + title = f"{title}: exit code {exitcode}" + print(title) + print("#" * len(title)) + print(flush=True) + + if exitcode: + print(f"Bisect failed with exit code {exitcode}") + return False + + return True + + def run_bisect(self, runtests: RunTests) -> None: + tests, _ = self.results.prepare_rerun(clear=False) + + for index, name in enumerate(tests, 1): + if len(tests) > 1: + progress = f"{index}/{len(tests)}" + else: + progress = "" + if not self._run_bisect(runtests, name, progress): + return - def display_result(self): + def display_result(self, runtests: RunTests) -> None: # If running the test suite for PGO then no one cares about results. - if self.ns.pgo: + if runtests.pgo: return + state = self.get_state() print() - print("== Tests result: %s ==" % self.get_tests_result()) - - if self.interrupted: - print("Test suite interrupted by signal SIGINT.") - - omitted = set(self.selected) - self.get_executed() - if omitted: - print() - print(count(len(omitted), "test"), "omitted:") - printlist(omitted) - - if self.good and not self.ns.quiet: - print() - if (not self.bad - and not self.skipped - and not self.interrupted - and len(self.good) > 1): - print("All", end=' ') - print(count(len(self.good), "test"), "OK.") - - if self.ns.print_slow: - self.test_times.sort(reverse=True) - print() - print("10 slowest tests:") - for test_time, test in self.test_times[:10]: - print("- %s: %s" % (test, format_duration(test_time))) - - if self.bad: - print() - print(count(len(self.bad), "test"), "failed:") - printlist(self.bad) - - if self.environment_changed: - print() - print("{} altered the execution environment:".format( - count(len(self.environment_changed), "test"))) - printlist(self.environment_changed) - - if self.skipped and not self.ns.quiet: - print() - print(count(len(self.skipped), "test"), "skipped:") - printlist(self.skipped) - - if self.rerun: - print() - print("%s:" % count(len(self.rerun), "re-run test")) - printlist(self.rerun) - - if self.run_no_tests: - print() - print(count(len(self.run_no_tests), "test"), "run no tests:") - printlist(self.run_no_tests) - - def run_tests_sequential(self): - if self.ns.trace: - import trace - self.tracer = trace.Trace(trace=False, count=True) + print(f"== Tests result: {state} ==") + + self.results.display_result(runtests.tests, + self.quiet, self.print_slowest) + + def run_test( + self, test_name: TestName, runtests: RunTests, tracer: trace.Trace | None + ) -> TestResult: + if tracer is not None: + # If we're tracing code coverage, then we don't exit with status + # if on a false return value from main. + cmd = ('result = run_single_test(test_name, runtests)') + namespace = dict(locals()) + tracer.runctx(cmd, globals=globals(), locals=namespace) + result = namespace['result'] + result.covered_lines = list(tracer.counts) + else: + result = run_single_test(test_name, runtests) + + self.results.accumulate_result(result, runtests) + + return result + + def run_tests_sequentially(self, runtests: RunTests) -> None: + if self.coverage: + tracer = trace.Trace(trace=False, count=True) + else: + tracer = None save_modules = set(sys.modules) - print("Run tests sequentially") + jobs = runtests.get_jobs() + if jobs is not None: + tests = count(jobs, 'test') + else: + tests = 'tests' + msg = f"Run {tests} sequentially in a single process" + if runtests.timeout: + msg += " (timeout: %s)" % format_duration(runtests.timeout) + self.log(msg) previous_test = None - for test_index, test_name in enumerate(self.tests, 1): - start_time = time.monotonic() + tests_iter = runtests.iter_tests() + for test_index, test_name in enumerate(tests_iter, 1): + start_time = time.perf_counter() text = test_name if previous_test: text = '%s -- %s' % (text, previous_test) - self.display_progress(test_index, text) - - if self.tracer: - # If we're tracing code coverage, then we don't exit with status - # if on a false return value from main. - cmd = ('result = runtest(self.ns, test_name); ' - 'self.accumulate_result(result)') - ns = dict(locals()) - self.tracer.runctx(cmd, globals=globals(), locals=ns) - result = ns['result'] - else: - result = runtest(self.ns, test_name) - self.accumulate_result(result) + self.logger.display_progress(test_index, text) - if result.result == INTERRUPTED: - break - - previous_test = format_test_result(result) - test_time = time.monotonic() - start_time - if test_time >= PROGRESS_MIN_TIME: - previous_test = "%s in %s" % (previous_test, format_duration(test_time)) - elif result[0] == PASSED: - # be quiet: say nothing if the test passed shortly - previous_test = None + result = self.run_test(test_name, runtests, tracer) # Unload the newly imported test modules (best effort finalization) new_modules = [module for module in sys.modules if module not in save_modules and - module.startswith(("test.", "test_"))] + module.startswith(("test.", "test_"))] for module in new_modules: sys.modules.pop(module, None) # Remove the attribute of the parent module. @@ -422,95 +420,31 @@ def run_tests_sequential(self): except (KeyError, AttributeError): pass - if previous_test: - print(previous_test) + if result.must_stop(self.fail_fast, self.fail_env_changed): + break - def _test_forever(self, tests): - while True: - for test_name in tests: - yield test_name - if self.bad: - return - if self.ns.fail_env_changed and self.environment_changed: - return - - def display_header(self): - # Print basic platform information - print("==", platform.python_implementation(), *sys.version.split()) - try: - print("==", platform.platform(aliased=True), - "%s-endian" % sys.byteorder) - except: - print("== RustPython: Need to fix platform.platform") - print("== cwd:", os.getcwd()) - cpu_count = os.cpu_count() - if cpu_count: - print("== CPU count:", cpu_count) - try: - print("== encodings: locale=%s, FS=%s" - % (locale.getpreferredencoding(False), - sys.getfilesystemencoding())) - except: - print("== RustPython: Need to fix encoding stuff") - - def get_tests_result(self): - result = [] - if self.bad: - result.append("FAILURE") - elif self.ns.fail_env_changed and self.environment_changed: - result.append("ENV CHANGED") - elif not any((self.good, self.bad, self.skipped, self.interrupted, - self.environment_changed)): - result.append("NO TEST RUN") - - if self.interrupted: - result.append("INTERRUPTED") - - if not result: - result.append("SUCCESS") - - result = ', '.join(result) - if self.first_result: - result = '%s then %s' % (self.first_result, result) - return result + previous_test = str(result) + test_time = time.perf_counter() - start_time + if test_time >= PROGRESS_MIN_TIME: + previous_test = "%s in %s" % (previous_test, format_duration(test_time)) + elif result.state == State.PASSED: + # be quiet: say nothing if the test passed shortly + previous_test = None - def run_tests(self): - # For a partial run, we do not need to clutter the output. - if (self.ns.header - or not(self.ns.pgo or self.ns.quiet or self.ns.single - or self.tests or self.ns.args)): - self.display_header() - - if self.ns.huntrleaks: - warmup, repetitions, _ = self.ns.huntrleaks - if warmup < 3: - msg = ("WARNING: Running tests with --huntrleaks/-R and less than " - "3 warmup repetitions can give false positives!") - print(msg, file=sys.stdout, flush=True) - - if self.ns.randomize: - print("Using random seed", self.ns.random_seed) - - if self.ns.forever: - self.tests = self._test_forever(list(self.selected)) - self.test_count = '' - self.test_count_width = 3 - else: - self.tests = iter(self.selected) - self.test_count = '/{}'.format(len(self.selected)) - self.test_count_width = len(self.test_count) - 1 + if previous_test: + print(previous_test) - if self.ns.use_mp: - from test.libregrtest.runtest_mp import run_tests_multiprocess - run_tests_multiprocess(self) - else: - self.run_tests_sequential() + def get_state(self) -> str: + state = self.results.get_state(self.fail_env_changed) + if self.first_state: + state = f'{self.first_state} then {state}' + return state - def finalize(self): - if self.win_load_tracker is not None: - self.win_load_tracker.close() - self.win_load_tracker = None + def _run_tests_mp(self, runtests: RunTests, num_workers: int) -> None: + from .run_workers import RunWorkers + RunWorkers(num_workers, runtests, self.logger, self.results).run() + def finalize_tests(self, coverage: trace.CoverageResults | None) -> None: if self.next_single_filename: if self.next_single_test: with open(self.next_single_filename, 'w') as fp: @@ -518,141 +452,318 @@ def finalize(self): else: os.unlink(self.next_single_filename) - if self.tracer: - r = self.tracer.results() - r.write_results(show_missing=True, summary=True, - coverdir=self.ns.coverdir) + if coverage is not None: + # uses a new-in-Python 3.13 keyword argument that mypy doesn't know about yet: + coverage.write_results(show_missing=True, summary=True, # type: ignore[call-arg] + coverdir=self.coverage_dir, + ignore_missing_files=True) + + if self.want_run_leaks: + os.system("leaks %d" % os.getpid()) + + if self.junit_filename: + self.results.write_junit(self.junit_filename) + + def display_summary(self) -> None: + if self.first_runtests is None: + raise ValueError( + "Should never call `display_summary()` before calling `_run_test()`" + ) + duration = time.perf_counter() - self.logger.start_time + filtered = bool(self.match_tests) + + # Total duration print() - duration = time.monotonic() - self.start_time print("Total duration: %s" % format_duration(duration)) - print("Tests result: %s" % self.get_tests_result()) - if self.ns.runleaks: - os.system("leaks %d" % os.getpid()) + self.results.display_summary(self.first_runtests, filtered) + + # Result + state = self.get_state() + print(f"Result: {state}") + + def create_run_tests(self, tests: TestTuple) -> RunTests: + return RunTests( + tests, + fail_fast=self.fail_fast, + fail_env_changed=self.fail_env_changed, + match_tests=self.match_tests, + match_tests_dict=None, + rerun=False, + forever=self.forever, + pgo=self.pgo, + pgo_extended=self.pgo_extended, + output_on_failure=self.output_on_failure, + timeout=self.timeout, + verbose=self.verbose, + quiet=self.quiet, + hunt_refleak=self.hunt_refleak, + test_dir=self.test_dir, + use_junit=(self.junit_filename is not None), + coverage=self.coverage, + memory_limit=self.memory_limit, + gc_threshold=self.gc_threshold, + use_resources=self.use_resources, + python_cmd=self.python_cmd, + randomize=self.randomize, + random_seed=self.random_seed, + ) + + def _run_tests(self, selected: TestTuple, tests: TestList | None) -> int: + if self.hunt_refleak and self.hunt_refleak.warmups < 3: + msg = ("WARNING: Running tests with --huntrleaks/-R and " + "less than 3 warmup repetitions can give false positives!") + print(msg, file=sys.stdout, flush=True) + + if self.num_workers < 0: + # Use all CPUs + 2 extra worker processes for tests + # that like to sleep + # + # os.process.cpu_count() is new in Python 3.13; + # mypy doesn't know about it yet + self.num_workers = (os.process_cpu_count() or 1) + 2 # type: ignore[attr-defined] - def save_xml_result(self): - if not self.ns.xmlpath and not self.testsuite_xml: - return + # For a partial run, we do not need to clutter the output. + if (self.want_header + or not(self.pgo or self.quiet or self.single_test_run + or tests or self.cmdline_args)): + display_header(self.use_resources, self.python_cmd) - import xml.etree.ElementTree as ET - root = ET.Element("testsuites") + print("Using random seed:", self.random_seed) - # Manually count the totals for the overall summary - totals = {'tests': 0, 'errors': 0, 'failures': 0} - for suite in self.testsuite_xml: - root.append(suite) - for k in totals: - try: - totals[k] += int(suite.get(k, 0)) - except ValueError: - pass + runtests = self.create_run_tests(selected) + self.first_runtests = runtests + self.logger.set_tests(runtests) - for k, v in totals.items(): - root.set(k, str(v)) - - xmlpath = os.path.join(os_helper.SAVEDCWD, self.ns.xmlpath) - with open(xmlpath, 'wb') as f: - for s in ET.tostringlist(root): - f.write(s) - - def main(self, tests=None, **kwargs): - global TEMPDIR - self.ns = self.parse_args(kwargs) - - if self.ns.tempdir: - TEMPDIR = self.ns.tempdir - elif self.ns.worker_args: - ns_dict, _ = json.loads(self.ns.worker_args) - TEMPDIR = ns_dict.get("tempdir") or TEMPDIR - - os.makedirs(TEMPDIR, exist_ok=True) - - # Define a writable temp dir that will be used as cwd while running - # the tests. The name of the dir includes the pid to allow parallel - # testing (see the -j option). - test_cwd = 'test_python_{}'.format(os.getpid()) - test_cwd = os.path.join(TEMPDIR, test_cwd) - - # Run the tests in a context manager that temporarily changes the CWD to a - # temporary and writable directory. If it's not possible to create or - # change the CWD, the original CWD will be used. The original CWD is - # available from os_helper.SAVEDCWD. - with os_helper.temp_cwd(test_cwd, quiet=True): - self._main(tests, kwargs) - - def getloadavg(self): - if self.win_load_tracker is not None: - return self.win_load_tracker.getloadavg() - - if hasattr(os, 'getloadavg'): - return os.getloadavg()[0] - - return None - - def _main(self, tests, kwargs): - if self.ns.huntrleaks: - warmup, repetitions, _ = self.ns.huntrleaks - if warmup < 1 or repetitions < 1: - msg = ("Invalid values for the --huntrleaks/-R parameters. The " - "number of warmups and repetitions must be at least 1 " - "each (1:1).") - print(msg, file=sys.stderr, flush=True) - sys.exit(2) - - if self.ns.worker_args is not None: - from test.libregrtest.runtest_mp import run_tests_worker - run_tests_worker(self.ns.worker_args) - - if self.ns.wait: - input("Press any key to continue...") + setup_process() - support.PGO = self.ns.pgo + if (runtests.hunt_refleak is not None) and (not self.num_workers): + # gh-109739: WindowsLoadTracker thread interferes with refleak check + use_load_tracker = False + else: + # WindowsLoadTracker is only needed on Windows + use_load_tracker = MS_WINDOWS - setup_tests(self.ns) + if use_load_tracker: + self.logger.start_load_tracker() + try: + if self.num_workers: + self._run_tests_mp(runtests, self.num_workers) + else: + self.run_tests_sequentially(runtests) + + coverage = self.results.get_coverage_results() + self.display_result(runtests) + + if self.want_rerun and self.results.need_rerun(): + self.rerun_failed_tests(runtests) + + if self.want_bisect and self.results.need_rerun(): + self.run_bisect(runtests) + finally: + if use_load_tracker: + self.logger.stop_load_tracker() + + self.display_summary() + self.finalize_tests(coverage) + + return self.results.get_exitcode(self.fail_env_changed, + self.fail_rerun) + + def run_tests(self, selected: TestTuple, tests: TestList | None) -> int: + os.makedirs(self.tmp_dir, exist_ok=True) + work_dir = get_work_dir(self.tmp_dir) + + # Put a timeout on Python exit + with exit_timeout(): + # Run the tests in a context manager that temporarily changes the + # CWD to a temporary and writable directory. If it's not possible + # to create or change the CWD, the original CWD will be used. + # The original CWD is available from os_helper.SAVEDCWD. + with os_helper.temp_cwd(work_dir, quiet=True): + # When using multiprocessing, worker processes will use + # work_dir as their parent temporary directory. So when the + # main process exit, it removes also subdirectories of worker + # processes. + return self._run_tests(selected, tests) + + def _add_cross_compile_opts(self, regrtest_opts): + # WASM/WASI buildbot builders pass multiple PYTHON environment + # variables such as PYTHONPATH and _PYTHON_HOSTRUNNER. + keep_environ = bool(self.python_cmd) + environ = None + + # Are we using cross-compilation? + cross_compile = is_cross_compiled() + + # Get HOSTRUNNER + hostrunner = get_host_runner() + + if cross_compile: + # emulate -E, but keep PYTHONPATH + cross compile env vars, + # so test executable can load correct sysconfigdata file. + keep = { + '_PYTHON_PROJECT_BASE', + '_PYTHON_HOST_PLATFORM', + '_PYTHON_SYSCONFIGDATA_NAME', + "_PYTHON_SYSCONFIGDATA_PATH", + 'PYTHONPATH' + } + old_environ = os.environ + new_environ = { + name: value for name, value in os.environ.items() + if not name.startswith(('PYTHON', '_PYTHON')) or name in keep + } + # Only set environ if at least one variable was removed + if new_environ != old_environ: + environ = new_environ + keep_environ = True + + if cross_compile and hostrunner: + if self.num_workers == 0 and not self.single_process: + # For now use only two cores for cross-compiled builds; + # hostrunner can be expensive. + regrtest_opts.extend(['-j', '2']) + + # If HOSTRUNNER is set and -p/--python option is not given, then + # use hostrunner to execute python binary for tests. + if not self.python_cmd: + buildpython = sysconfig.get_config_var("BUILDPYTHON") + python_cmd = f"{hostrunner} {buildpython}" + regrtest_opts.extend(["--python", python_cmd]) + keep_environ = True + + return (environ, keep_environ) + + def _add_ci_python_opts(self, python_opts, keep_environ): + # --fast-ci and --slow-ci add options to Python: + # "-u -W default -bb -E" + + # Unbuffered stdout and stderr + if not sys.stdout.write_through: + python_opts.append('-u') + + # Add warnings filter 'default' + if 'default' not in sys.warnoptions: + python_opts.extend(('-W', 'default')) + + # Error on bytes/str comparison + if sys.flags.bytes_warning < 2: + python_opts.append('-bb') + + if not keep_environ: + # Ignore PYTHON* environment variables + if not sys.flags.ignore_environment: + python_opts.append('-E') + + def _execute_python(self, cmd, environ): + # Make sure that messages before execv() are logged + sys.stdout.flush() + sys.stderr.flush() + + cmd_text = shlex.join(cmd) + try: + print(f"+ {cmd_text}", flush=True) - self.find_tests(tests) + if hasattr(os, 'execv') and not MS_WINDOWS: + os.execv(cmd[0], cmd) + # On success, execv() do no return. + # On error, it raises an OSError. + else: + import subprocess + with subprocess.Popen(cmd, env=environ) as proc: + try: + proc.wait() + except KeyboardInterrupt: + # There is no need to call proc.terminate(): on CTRL+C, + # SIGTERM is also sent to the child process. + try: + proc.wait(timeout=EXIT_TIMEOUT) + except subprocess.TimeoutExpired: + proc.kill() + proc.wait() + sys.exit(EXITCODE_INTERRUPTED) + + sys.exit(proc.returncode) + except Exception as exc: + print_warning(f"Failed to change Python options: {exc!r}\n" + f"Command: {cmd_text}") + # continue executing main() + + def _add_python_opts(self) -> None: + python_opts: list[str] = [] + regrtest_opts: list[str] = [] + + environ, keep_environ = self._add_cross_compile_opts(regrtest_opts) + if self.ci_mode: + self._add_ci_python_opts(python_opts, keep_environ) + + if (not python_opts) and (not regrtest_opts) and (environ is None): + # Nothing changed: nothing to do + return - if self.ns.list_tests: - self.list_tests() - sys.exit(0) + # Create new command line + cmd = list(sys.orig_argv) + if python_opts: + cmd[1:1] = python_opts + if regrtest_opts: + cmd.extend(regrtest_opts) + cmd.append("--dont-add-python-opts") - if self.ns.list_cases: - self.list_cases() - sys.exit(0) + self._execute_python(cmd, environ) - # If we're on windows and this is the parent runner (not a worker), - # track the load average. - # TODO: RUSTPYTHON - # if sys.platform == 'win32' and (self.ns.worker_args is None): - # from test.libregrtest.win_utils import WindowsLoadTracker + def _init(self): + # Set sys.stdout encoder error handler to backslashreplace, + # similar to sys.stderr error handler, to avoid UnicodeEncodeError + # when printing a traceback or any other non-encodable character. + sys.stdout.reconfigure(errors="backslashreplace") - # try: - # self.win_load_tracker = WindowsLoadTracker() - # except FileNotFoundError as error: - # # Windows IoT Core and Windows Nano Server do not provide - # # typeperf.exe for x64, x86 or ARM - # print(f'Failed to create WindowsLoadTracker: {error}') + if self.junit_filename and not os.path.isabs(self.junit_filename): + self.junit_filename = os.path.abspath(self.junit_filename) - self.run_tests() - self.display_result() + strip_py_suffix(self.cmdline_args) - if self.ns.verbose2 and self.bad: - self.rerun_failed_tests() + self._tmp_dir = get_temp_dir(self._tmp_dir) - self.finalize() + @property + def tmp_dir(self) -> StrPath: + if self._tmp_dir is None: + raise ValueError( + "Should never use `.tmp_dir` before calling `.main()`" + ) + return self._tmp_dir - self.save_xml_result() + def main(self, tests: TestList | None = None) -> NoReturn: + if self.want_add_python_opts: + self._add_python_opts() + + self._init() + + if self.want_cleanup: + cleanup_temp_dir(self.tmp_dir) + sys.exit(0) + + if self.want_wait: + input("Press any key to continue...") + + setup_test_dir(self.test_dir) + selected, tests = self.find_tests(tests) + + exitcode = 0 + if self.want_list_tests: + self.list_tests(selected) + elif self.want_list_cases: + list_cases(selected, + match_tests=self.match_tests, + test_dir=self.test_dir) + else: + exitcode = self.run_tests(selected, tests) - if self.bad: - sys.exit(2) - if self.interrupted: - sys.exit(130) - if self.ns.fail_env_changed and self.environment_changed: - sys.exit(3) - sys.exit(0) + sys.exit(exitcode) -def main(tests=None, **kwargs): +def main(tests=None, _add_python_opts=False, **kwargs) -> NoReturn: """Run the Python suite.""" - Regrtest().main(tests=tests, **kwargs) + ns = _parse_args(sys.argv[1:], **kwargs) + Regrtest(ns, _add_python_opts=_add_python_opts).main(tests=tests) diff --git a/Lib/test/libregrtest/result.py b/Lib/test/libregrtest/result.py new file mode 100644 index 00000000000..ecc17410b76 --- /dev/null +++ b/Lib/test/libregrtest/result.py @@ -0,0 +1,250 @@ +import dataclasses +import json +from typing import Any +import enum + +from .utils import ( + StrJSON, TestName, FilterTuple, + format_duration, normalize_test_name, print_warning) + + +@dataclasses.dataclass(slots=True) +class TestStats: + tests_run: int = 0 + failures: int = 0 + skipped: int = 0 + + @staticmethod + def from_unittest(result): + return TestStats(result.testsRun, + len(result.failures), + len(result.skipped)) + + @staticmethod + def from_doctest(results): + return TestStats(results.attempted, + results.failed, + results.skipped) + + def accumulate(self, stats): + self.tests_run += stats.tests_run + self.failures += stats.failures + self.skipped += stats.skipped + +def state_is_failed(state): + return state in { + "FAILED", + "UNCAUGHT_EXC", + "REFLEAK", + "WORKER_FAILED", + "WORKER_BUG", + "TIMEOUT"} + +def state_has_meaningful_duration(state): + # Consider that the duration is meaningless for these cases. + # For example, if a whole test file is skipped, its duration + # is unlikely to be the duration of executing its tests, + # but just the duration to execute code which skips the test. + return state not in { + "SKIPPED", + "RESOURCE_DENIED", + "INTERRUPTED", + "WORKER_FAILED", + "WORKER_BUG", + "DID_NOT_RUN"} + +def state_must_stop(state): + return state in { + "INTERRUPTED", + "WORKER_BUG", + } +class State(str, enum.Enum): + PASSED = "PASSED" + FAILED = "FAILED" + SKIPPED = "SKIPPED" + UNCAUGHT_EXC = "UNCAUGHT_EXC" + REFLEAK = "REFLEAK" + ENV_CHANGED = "ENV_CHANGED" + RESOURCE_DENIED = "RESOURCE_DENIED" + INTERRUPTED = "INTERRUPTED" + WORKER_FAILED = "WORKER_FAILED" # non-zero worker process exit code + WORKER_BUG = "WORKER_BUG" # exception when running a worker + DID_NOT_RUN = "DID_NOT_RUN" + TIMEOUT = "TIMEOUT" + + @staticmethod + def is_failed(state): + return state in { + State.FAILED, + State.UNCAUGHT_EXC, + State.REFLEAK, + State.WORKER_FAILED, + State.WORKER_BUG, + State.TIMEOUT} + + @staticmethod + def has_meaningful_duration(state): + # Consider that the duration is meaningless for these cases. + # For example, if a whole test file is skipped, its duration + # is unlikely to be the duration of executing its tests, + # but just the duration to execute code which skips the test. + return state not in { + State.SKIPPED, + State.RESOURCE_DENIED, + State.INTERRUPTED, + State.WORKER_FAILED, + State.WORKER_BUG, + State.DID_NOT_RUN} + + @staticmethod + def must_stop(state): + return state in { + State.INTERRUPTED, + State.WORKER_BUG, + } + +FileName = str +LineNo = int +Location = tuple[FileName, LineNo] + + +@dataclasses.dataclass(slots=True) +class TestResult: + test_name: TestName + state: str | None = None + # Test duration in seconds + duration: float | None = None + xml_data: list[str] | None = None + stats: TestStats | None = None + + # errors and failures copied from support.TestFailedWithDetails + errors: list[tuple[str, str]] | None = None + failures: list[tuple[str, str]] | None = None + + # partial coverage in a worker run; not used by sequential in-process runs + covered_lines: list[Location] | None = None + + def is_failed(self, fail_env_changed: bool) -> bool: + if self.state == "ENV_CHANGED": + return fail_env_changed + return state_is_failed(self.state) + + def _format_failed(self): + if self.errors and self.failures: + le = len(self.errors) + lf = len(self.failures) + error_s = "error" + ("s" if le > 1 else "") + failure_s = "failure" + ("s" if lf > 1 else "") + return f"{self.test_name} failed ({le} {error_s}, {lf} {failure_s})" + + if self.errors: + le = len(self.errors) + error_s = "error" + ("s" if le > 1 else "") + return f"{self.test_name} failed ({le} {error_s})" + + if self.failures: + lf = len(self.failures) + failure_s = "failure" + ("s" if lf > 1 else "") + return f"{self.test_name} failed ({lf} {failure_s})" + + return f"{self.test_name} failed" + + def __str__(self) -> str: + match self.state: + case "PASSED": + return f"{self.test_name} passed" + case "FAILED": + return self._format_failed() + case "SKIPPED": + return f"{self.test_name} skipped" + case "UNCAUGHT_EXC": + return f"{self.test_name} failed (uncaught exception)" + case "REFLEAK": + return f"{self.test_name} failed (reference leak)" + case "ENV_CHANGED": + return f"{self.test_name} failed (env changed)" + case "RESOURCE_DENIED": + return f"{self.test_name} skipped (resource denied)" + case "INTERRUPTED": + return f"{self.test_name} interrupted" + case "WORKER_FAILED": + return f"{self.test_name} worker non-zero exit code" + case "WORKER_BUG": + return f"{self.test_name} worker bug" + case "DID_NOT_RUN": + return f"{self.test_name} ran no tests" + case "TIMEOUT": + assert self.duration is not None, "self.duration is None" + return f"{self.test_name} timed out ({format_duration(self.duration)})" + case _: + raise ValueError("unknown result state: {state!r}") + + def has_meaningful_duration(self): + return state_has_meaningful_duration(self.state) + + def set_env_changed(self): + if self.state is None or self.state == "PASSED": + self.state = "ENV_CHANGED" + + def must_stop(self, fail_fast: bool, fail_env_changed: bool) -> bool: + if state_must_stop(self.state): + return True + if fail_fast and self.is_failed(fail_env_changed): + return True + return False + + def get_rerun_match_tests(self) -> FilterTuple | None: + match_tests = [] + + errors = self.errors or [] + failures = self.failures or [] + for error_list, is_error in ( + (errors, True), + (failures, False), + ): + for full_name, *_ in error_list: + match_name = normalize_test_name(full_name, is_error=is_error) + if match_name is None: + # 'setUpModule (test.test_sys)': don't filter tests + return None + if not match_name: + error_type = "ERROR" if is_error else "FAIL" + print_warning(f"rerun failed to parse {error_type} test name: " + f"{full_name!r}: don't filter tests") + return None + match_tests.append(match_name) + + if not match_tests: + return None + return tuple(match_tests) + + def write_json_into(self, file) -> None: + json.dump(self, file, cls=_EncodeTestResult) + + @staticmethod + def from_json(worker_json: StrJSON) -> 'TestResult': + return json.loads(worker_json, object_hook=_decode_test_result) + + +class _EncodeTestResult(json.JSONEncoder): + def default(self, o: Any) -> dict[str, Any]: + if isinstance(o, TestResult): + result = dataclasses.asdict(o) + result["__test_result__"] = o.__class__.__name__ + return result + else: + return super().default(o) + + +def _decode_test_result(data: dict[str, Any]) -> TestResult | dict[str, Any]: + if "__test_result__" in data: + data.pop('__test_result__') + if data['stats'] is not None: + data['stats'] = TestStats(**data['stats']) + if data['covered_lines'] is not None: + data['covered_lines'] = [ + tuple(loc) for loc in data['covered_lines'] + ] + return TestResult(**data) + else: + return data diff --git a/Lib/test/libregrtest/results.py b/Lib/test/libregrtest/results.py new file mode 100644 index 00000000000..7ce41883737 --- /dev/null +++ b/Lib/test/libregrtest/results.py @@ -0,0 +1,274 @@ +import sys +import trace +from typing import TYPE_CHECKING + +from .runtests import RunTests +from .result import State, TestResult, TestStats, Location +from .utils import ( + StrPath, TestName, TestTuple, TestList, FilterDict, + printlist, count, format_duration) + +if TYPE_CHECKING: + from xml.etree.ElementTree import Element + + +# Python uses exit code 1 when an exception is not caught +# argparse.ArgumentParser.error() uses exit code 2 +EXITCODE_BAD_TEST = 2 +EXITCODE_ENV_CHANGED = 3 +EXITCODE_NO_TESTS_RAN = 4 +EXITCODE_RERUN_FAIL = 5 +EXITCODE_INTERRUPTED = 130 # 128 + signal.SIGINT=2 + + +class TestResults: + def __init__(self) -> None: + self.bad: TestList = [] + self.good: TestList = [] + self.rerun_bad: TestList = [] + self.skipped: TestList = [] + self.resource_denied: TestList = [] + self.env_changed: TestList = [] + self.run_no_tests: TestList = [] + self.rerun: TestList = [] + self.rerun_results: list[TestResult] = [] + + self.interrupted: bool = False + self.worker_bug: bool = False + self.test_times: list[tuple[float, TestName]] = [] + self.stats = TestStats() + # used by --junit-xml + self.testsuite_xml: list['Element'] = [] + # used by -T with -j + self.covered_lines: set[Location] = set() + + def is_all_good(self) -> bool: + return (not self.bad + and not self.skipped + and not self.interrupted + and not self.worker_bug) + + def get_executed(self) -> set[TestName]: + return (set(self.good) | set(self.bad) | set(self.skipped) + | set(self.resource_denied) | set(self.env_changed) + | set(self.run_no_tests)) + + def no_tests_run(self) -> bool: + return not any((self.good, self.bad, self.skipped, self.interrupted, + self.env_changed)) + + def get_state(self, fail_env_changed: bool) -> str: + state = [] + if self.bad: + state.append("FAILURE") + elif fail_env_changed and self.env_changed: + state.append("ENV CHANGED") + elif self.no_tests_run(): + state.append("NO TESTS RAN") + + if self.interrupted: + state.append("INTERRUPTED") + if self.worker_bug: + state.append("WORKER BUG") + if not state: + state.append("SUCCESS") + + return ', '.join(state) + + def get_exitcode(self, fail_env_changed: bool, fail_rerun: bool) -> int: + exitcode = 0 + if self.bad: + exitcode = EXITCODE_BAD_TEST + elif self.interrupted: + exitcode = EXITCODE_INTERRUPTED + elif fail_env_changed and self.env_changed: + exitcode = EXITCODE_ENV_CHANGED + elif self.no_tests_run(): + exitcode = EXITCODE_NO_TESTS_RAN + elif fail_rerun and self.rerun: + exitcode = EXITCODE_RERUN_FAIL + elif self.worker_bug: + exitcode = EXITCODE_BAD_TEST + return exitcode + + def accumulate_result(self, result: TestResult, runtests: RunTests) -> None: + test_name = result.test_name + rerun = runtests.rerun + fail_env_changed = runtests.fail_env_changed + + if result.state == "PASSED": + self.good.append(test_name) + elif result.state == "ENV_CHANGED": + self.env_changed.append(test_name) + self.rerun_results.append(result) + elif result.state == "SKIPPED": + self.skipped.append(test_name) + elif result.state == "RESOURCE_DENIED": + self.resource_denied.append(test_name) + elif result.state == "INTERRUPTED": + self.interrupted = True + elif result.state == "DID_NOT_RUN": + self.run_no_tests.append(test_name) + else: + if result.is_failed(fail_env_changed): + self.bad.append(test_name) + self.rerun_results.append(result) + else: + raise ValueError(f"invalid test state: {result.state!r}") + if result.state == State.WORKER_BUG: + self.worker_bug = True + + if result.has_meaningful_duration() and not rerun: + if result.duration is None: + raise ValueError("result.duration is None") + self.test_times.append((result.duration, test_name)) + if result.stats is not None: + self.stats.accumulate(result.stats) + if rerun: + self.rerun.append(test_name) + if result.covered_lines: + # we don't care about trace counts so we don't have to sum them up + self.covered_lines.update(result.covered_lines) + xml_data = result.xml_data + if xml_data: + self.add_junit(xml_data) + + def get_coverage_results(self) -> trace.CoverageResults: + counts = {loc: 1 for loc in self.covered_lines} + return trace.CoverageResults(counts=counts) + + def need_rerun(self) -> bool: + return bool(self.rerun_results) + + def prepare_rerun(self, *, clear: bool = True) -> tuple[TestTuple, FilterDict]: + tests: TestList = [] + match_tests_dict = {} + for result in self.rerun_results: + tests.append(result.test_name) + + match_tests = result.get_rerun_match_tests() + # ignore empty match list + if match_tests: + match_tests_dict[result.test_name] = match_tests + + if clear: + # Clear previously failed tests + self.rerun_bad.extend(self.bad) + self.bad.clear() + self.env_changed.clear() + self.rerun_results.clear() + + return (tuple(tests), match_tests_dict) + + def add_junit(self, xml_data: list[str]) -> None: + import xml.etree.ElementTree as ET + for e in xml_data: + try: + self.testsuite_xml.append(ET.fromstring(e)) + except ET.ParseError: + print(xml_data, file=sys.__stderr__) + raise + + def write_junit(self, filename: StrPath) -> None: + if not self.testsuite_xml: + # Don't create empty XML file + return + + import xml.etree.ElementTree as ET + root = ET.Element("testsuites") + + # Manually count the totals for the overall summary + totals = {'tests': 0, 'errors': 0, 'failures': 0} + for suite in self.testsuite_xml: + root.append(suite) + for k in totals: + try: + totals[k] += int(suite.get(k, 0)) + except ValueError: + pass + + for k, v in totals.items(): + root.set(k, str(v)) + + with open(filename, 'wb') as f: + for s in ET.tostringlist(root): + f.write(s) + + def display_result(self, tests: TestTuple, quiet: bool, print_slowest: bool) -> None: + if print_slowest: + self.test_times.sort(reverse=True) + print() + print("10 slowest tests:") + for test_time, test in self.test_times[:10]: + print("- %s: %s" % (test, format_duration(test_time))) + + all_tests = [] + omitted = set(tests) - self.get_executed() + + # less important + all_tests.append((sorted(omitted), "test", "{} omitted:")) + if not quiet: + all_tests.append((self.skipped, "test", "{} skipped:")) + all_tests.append((self.resource_denied, "test", "{} skipped (resource denied):")) + all_tests.append((self.run_no_tests, "test", "{} run no tests:")) + + # more important + all_tests.append((self.env_changed, "test", "{} altered the execution environment (env changed):")) + all_tests.append((self.rerun, "re-run test", "{}:")) + all_tests.append((self.bad, "test", "{} failed:")) + + for tests_list, count_text, title_format in all_tests: + if tests_list: + print() + count_text = count(len(tests_list), count_text) + print(title_format.format(count_text)) + printlist(tests_list) + + if self.good and not quiet: + print() + text = count(len(self.good), "test") + text = f"{text} OK." + if (self.is_all_good() and len(self.good) > 1): + text = f"All {text}" + print(text) + + if self.interrupted: + print() + print("Test suite interrupted by signal SIGINT.") + + def display_summary(self, first_runtests: RunTests, filtered: bool) -> None: + # Total tests + stats = self.stats + text = f'run={stats.tests_run:,}' + if filtered: + text = f"{text} (filtered)" + report = [text] + if stats.failures: + report.append(f'failures={stats.failures:,}') + if stats.skipped: + report.append(f'skipped={stats.skipped:,}') + print(f"Total tests: {' '.join(report)}") + + # Total test files + all_tests = [self.good, self.bad, self.rerun, + self.skipped, + self.env_changed, self.run_no_tests] + run = sum(map(len, all_tests)) + text = f'run={run}' + if not first_runtests.forever: + ntest = len(first_runtests.tests) + text = f"{text}/{ntest}" + if filtered: + text = f"{text} (filtered)" + report = [text] + for name, tests in ( + ('failed', self.bad), + ('env_changed', self.env_changed), + ('skipped', self.skipped), + ('resource_denied', self.resource_denied), + ('rerun', self.rerun), + ('run_no_tests', self.run_no_tests), + ): + if tests: + report.append(f'{name}={len(tests)}') + print(f"Total test files: {' '.join(report)}") diff --git a/Lib/test/libregrtest/run_workers.py b/Lib/test/libregrtest/run_workers.py new file mode 100644 index 00000000000..3c6d13215fd --- /dev/null +++ b/Lib/test/libregrtest/run_workers.py @@ -0,0 +1,621 @@ +import contextlib +import dataclasses +import faulthandler +import os.path +import queue +import signal +import subprocess +import sys +import tempfile +import threading +import time +import traceback +from typing import Any, Literal, TextIO + +from test import support +from test.support import os_helper, MS_WINDOWS + +from .logger import Logger +from .result import TestResult, State +from .results import TestResults +from .runtests import RunTests, WorkerRunTests, JsonFile, JsonFileType +from .single import PROGRESS_MIN_TIME +from .utils import ( + StrPath, TestName, + format_duration, print_warning, count, plural, get_signal_name) +from .worker import create_worker_process, USE_PROCESS_GROUP + +if MS_WINDOWS: + import locale + import msvcrt + + + +# Display the running tests if nothing happened last N seconds +PROGRESS_UPDATE = 30.0 # seconds +assert PROGRESS_UPDATE >= PROGRESS_MIN_TIME + +# Kill the main process after 5 minutes. It is supposed to write an update +# every PROGRESS_UPDATE seconds. Tolerate 5 minutes for Python slowest +# buildbot workers. +MAIN_PROCESS_TIMEOUT = 5 * 60.0 +assert MAIN_PROCESS_TIMEOUT >= PROGRESS_UPDATE + +# Time to wait until a worker completes: should be immediate +WAIT_COMPLETED_TIMEOUT = 30.0 # seconds + +# Time to wait a killed process (in seconds) +WAIT_KILLED_TIMEOUT = 60.0 + + +# We do not use a generator so multiple threads can call next(). +class MultiprocessIterator: + + """A thread-safe iterator over tests for multiprocess mode.""" + + def __init__(self, tests_iter): + self.lock = threading.Lock() + self.tests_iter = tests_iter + + def __iter__(self): + return self + + def __next__(self): + with self.lock: + if self.tests_iter is None: + raise StopIteration + return next(self.tests_iter) + + def stop(self): + with self.lock: + self.tests_iter = None + + +@dataclasses.dataclass(slots=True, frozen=True) +class MultiprocessResult: + result: TestResult + # bpo-45410: stderr is written into stdout to keep messages order + worker_stdout: str | None = None + err_msg: str | None = None + + +class WorkerThreadExited: + """Indicates that a worker thread has exited""" + +ExcStr = str +QueueOutput = tuple[Literal[False], MultiprocessResult] | tuple[Literal[True], ExcStr] +QueueContent = QueueOutput | WorkerThreadExited + + +class ExitThread(Exception): + pass + + +class WorkerError(Exception): + def __init__(self, + test_name: TestName, + err_msg: str | None, + stdout: str | None, + state: str): + result = TestResult(test_name, state=state) + self.mp_result = MultiprocessResult(result, stdout, err_msg) + super().__init__() + + +_NOT_RUNNING = "" + + +class WorkerThread(threading.Thread): + def __init__(self, worker_id: int, runner: "RunWorkers") -> None: + super().__init__() + self.worker_id = worker_id + self.runtests = runner.runtests + self.pending = runner.pending + self.output = runner.output + self.timeout = runner.worker_timeout + self.log = runner.log + self.test_name = _NOT_RUNNING + self.start_time = time.monotonic() + self._popen: subprocess.Popen[str] | None = None + self._killed = False + self._stopped = False + + def __repr__(self) -> str: + info = [f'WorkerThread #{self.worker_id}'] + if self.is_alive(): + info.append("running") + else: + info.append('stopped') + test = self.test_name + if test: + info.append(f'test={test}') + popen = self._popen + if popen is not None: + dt = time.monotonic() - self.start_time + info.extend((f'pid={popen.pid}', + f'time={format_duration(dt)}')) + return '<%s>' % ' '.join(info) + + def _kill(self) -> None: + popen = self._popen + if popen is None: + return + + if self._killed: + return + self._killed = True + + if USE_PROCESS_GROUP: + what = f"{self} process group" + else: + what = f"{self} process" + + print(f"Kill {what}", file=sys.stderr, flush=True) + try: + if USE_PROCESS_GROUP: + os.killpg(popen.pid, signal.SIGKILL) + else: + popen.kill() + except ProcessLookupError: + # popen.kill(): the process completed, the WorkerThread thread + # read its exit status, but Popen.send_signal() read the returncode + # just before Popen.wait() set returncode. + pass + except OSError as exc: + print_warning(f"Failed to kill {what}: {exc!r}") + + def stop(self) -> None: + # Method called from a different thread to stop this thread + self._stopped = True + self._kill() + + def _run_process(self, runtests: WorkerRunTests, output_fd: int, + tmp_dir: StrPath | None = None) -> int | None: + popen = create_worker_process(runtests, output_fd, tmp_dir) + self._popen = popen + self._killed = False + + try: + if self._stopped: + # If kill() has been called before self._popen is set, + # self._popen is still running. Call again kill() + # to ensure that the process is killed. + self._kill() + raise ExitThread + + try: + # gh-94026: stdout+stderr are written to tempfile + retcode = popen.wait(timeout=self.timeout) + assert retcode is not None + return retcode + except subprocess.TimeoutExpired: + if self._stopped: + # kill() has been called: communicate() fails on reading + # closed stdout + raise ExitThread + + # On timeout, kill the process + self._kill() + + # None means TIMEOUT for the caller + retcode = None + # bpo-38207: Don't attempt to call communicate() again: on it + # can hang until all child processes using stdout + # pipes completes. + except OSError: + if self._stopped: + # kill() has been called: communicate() fails + # on reading closed stdout + raise ExitThread + raise + return None + except: + self._kill() + raise + finally: + self._wait_completed() + self._popen = None + + def create_stdout(self, stack: contextlib.ExitStack) -> TextIO: + """Create stdout temporary file (file descriptor).""" + + if MS_WINDOWS: + # gh-95027: When stdout is not a TTY, Python uses the ANSI code + # page for the sys.stdout encoding. If the main process runs in a + # terminal, sys.stdout uses WindowsConsoleIO with UTF-8 encoding. + encoding = locale.getencoding() + else: + encoding = sys.stdout.encoding + + # gh-94026: Write stdout+stderr to a tempfile as workaround for + # non-blocking pipes on Emscripten with NodeJS. + # gh-109425: Use "backslashreplace" error handler: log corrupted + # stdout+stderr, instead of failing with a UnicodeDecodeError and not + # logging stdout+stderr at all. + stdout_file = tempfile.TemporaryFile('w+', + encoding=encoding, + errors='backslashreplace') + stack.enter_context(stdout_file) + return stdout_file + + def create_json_file(self, stack: contextlib.ExitStack) -> tuple[JsonFile, TextIO | None]: + """Create JSON file.""" + + json_file_use_stdout = self.runtests.json_file_use_stdout() + if json_file_use_stdout: + json_file = JsonFile(None, JsonFileType.STDOUT) + json_tmpfile = None + else: + json_tmpfile = tempfile.TemporaryFile('w+', encoding='utf8') + stack.enter_context(json_tmpfile) + + json_fd = json_tmpfile.fileno() + if MS_WINDOWS: + # The msvcrt module is only available on Windows; + # we run mypy with `--platform=linux` in CI + json_handle: int = msvcrt.get_osfhandle(json_fd) # type: ignore[attr-defined] + json_file = JsonFile(json_handle, + JsonFileType.WINDOWS_HANDLE) + else: + json_file = JsonFile(json_fd, JsonFileType.UNIX_FD) + return (json_file, json_tmpfile) + + def create_worker_runtests(self, test_name: TestName, json_file: JsonFile) -> WorkerRunTests: + tests = (test_name,) + if self.runtests.rerun: + match_tests = self.runtests.get_match_tests(test_name) + else: + match_tests = None + + kwargs: dict[str, Any] = {} + if match_tests: + kwargs['match_tests'] = [(test, True) for test in match_tests] + if self.runtests.output_on_failure: + kwargs['verbose'] = True + kwargs['output_on_failure'] = False + return self.runtests.create_worker_runtests( + tests=tests, + json_file=json_file, + **kwargs) + + def run_tmp_files(self, worker_runtests: WorkerRunTests, + stdout_fd: int) -> tuple[int | None, list[StrPath]]: + # gh-93353: Check for leaked temporary files in the parent process, + # since the deletion of temporary files can happen late during + # Python finalization: too late for libregrtest. + if not support.is_wasi: + # Don't check for leaked temporary files and directories if Python is + # run on WASI. WASI doesn't pass environment variables like TMPDIR to + # worker processes. + tmp_dir = tempfile.mkdtemp(prefix="test_python_") + tmp_dir = os.path.abspath(tmp_dir) + try: + retcode = self._run_process(worker_runtests, + stdout_fd, tmp_dir) + finally: + tmp_files = os.listdir(tmp_dir) + os_helper.rmtree(tmp_dir) + else: + retcode = self._run_process(worker_runtests, stdout_fd) + tmp_files = [] + + return (retcode, tmp_files) + + def read_stdout(self, stdout_file: TextIO) -> str: + stdout_file.seek(0) + try: + return stdout_file.read().strip() + except Exception as exc: + # gh-101634: Catch UnicodeDecodeError if stdout cannot be + # decoded from encoding + raise WorkerError(self.test_name, + f"Cannot read process stdout: {exc}", + stdout=None, + state=State.WORKER_BUG) + + def read_json(self, json_file: JsonFile, json_tmpfile: TextIO | None, + stdout: str) -> tuple[TestResult, str]: + try: + if json_tmpfile is not None: + json_tmpfile.seek(0) + worker_json = json_tmpfile.read() + elif json_file.file_type == JsonFileType.STDOUT: + stdout, _, worker_json = stdout.rpartition("\n") + stdout = stdout.rstrip() + else: + with json_file.open(encoding='utf8') as json_fp: + worker_json = json_fp.read() + except Exception as exc: + # gh-101634: Catch UnicodeDecodeError if stdout cannot be + # decoded from encoding + err_msg = f"Failed to read worker process JSON: {exc}" + raise WorkerError(self.test_name, err_msg, stdout, + state=State.WORKER_BUG) + + if not worker_json: + raise WorkerError(self.test_name, "empty JSON", stdout, + state=State.WORKER_BUG) + + try: + result = TestResult.from_json(worker_json) + except Exception as exc: + # gh-101634: Catch UnicodeDecodeError if stdout cannot be + # decoded from encoding + err_msg = f"Failed to parse worker process JSON: {exc}" + raise WorkerError(self.test_name, err_msg, stdout, + state=State.WORKER_BUG) + + return (result, stdout) + + def _runtest(self, test_name: TestName) -> MultiprocessResult: + with contextlib.ExitStack() as stack: + stdout_file = self.create_stdout(stack) + json_file, json_tmpfile = self.create_json_file(stack) + worker_runtests = self.create_worker_runtests(test_name, json_file) + + retcode: str | int | None + retcode, tmp_files = self.run_tmp_files(worker_runtests, + stdout_file.fileno()) + + stdout = self.read_stdout(stdout_file) + + if retcode is None: + raise WorkerError(self.test_name, stdout=stdout, + err_msg=None, + state=State.TIMEOUT) + if retcode != 0: + name = get_signal_name(retcode) + if name: + retcode = f"{retcode} ({name})" + raise WorkerError(self.test_name, f"Exit code {retcode}", stdout, + state=State.WORKER_FAILED) + + result, stdout = self.read_json(json_file, json_tmpfile, stdout) + + if tmp_files: + msg = (f'\n\n' + f'Warning -- {test_name} leaked temporary files ' + f'({len(tmp_files)}): {", ".join(sorted(tmp_files))}') + stdout += msg + result.set_env_changed() + + return MultiprocessResult(result, stdout) + + def run(self) -> None: + fail_fast = self.runtests.fail_fast + fail_env_changed = self.runtests.fail_env_changed + try: + while not self._stopped: + try: + test_name = next(self.pending) + except StopIteration: + break + + self.start_time = time.monotonic() + self.test_name = test_name + try: + mp_result = self._runtest(test_name) + except WorkerError as exc: + mp_result = exc.mp_result + finally: + self.test_name = _NOT_RUNNING + mp_result.result.duration = time.monotonic() - self.start_time + self.output.put((False, mp_result)) + + if mp_result.result.must_stop(fail_fast, fail_env_changed): + break + except ExitThread: + pass + except BaseException: + self.output.put((True, traceback.format_exc())) + finally: + self.output.put(WorkerThreadExited()) + + def _wait_completed(self) -> None: + popen = self._popen + # only needed for mypy: + if popen is None: + raise ValueError("Should never access `._popen` before calling `.run()`") + + try: + popen.wait(WAIT_COMPLETED_TIMEOUT) + except (subprocess.TimeoutExpired, OSError) as exc: + print_warning(f"Failed to wait for {self} completion " + f"(timeout={format_duration(WAIT_COMPLETED_TIMEOUT)}): " + f"{exc!r}") + + def wait_stopped(self, start_time: float) -> None: + # bpo-38207: RunWorkers.stop_workers() called self.stop() + # which killed the process. Sometimes, killing the process from the + # main thread does not interrupt popen.communicate() in + # WorkerThread thread. This loop with a timeout is a workaround + # for that. + # + # Moreover, if this method fails to join the thread, it is likely + # that Python will hang at exit while calling threading._shutdown() + # which tries again to join the blocked thread. Regrtest.main() + # uses EXIT_TIMEOUT to workaround this second bug. + while True: + # Write a message every second + self.join(1.0) + if not self.is_alive(): + break + dt = time.monotonic() - start_time + self.log(f"Waiting for {self} thread for {format_duration(dt)}") + if dt > WAIT_KILLED_TIMEOUT: + print_warning(f"Failed to join {self} in {format_duration(dt)}") + break + + +def get_running(workers: list[WorkerThread]) -> str | None: + running: list[str] = [] + for worker in workers: + test_name = worker.test_name + if test_name == _NOT_RUNNING: + continue + dt = time.monotonic() - worker.start_time + if dt >= PROGRESS_MIN_TIME: + text = f'{test_name} ({format_duration(dt)})' + running.append(text) + if not running: + return None + return f"running ({len(running)}): {', '.join(running)}" + + +class RunWorkers: + def __init__(self, num_workers: int, runtests: RunTests, + logger: Logger, results: TestResults) -> None: + self.num_workers = num_workers + self.runtests = runtests + self.log = logger.log + self.display_progress = logger.display_progress + self.results: TestResults = results + self.live_worker_count = 0 + + self.output: queue.Queue[QueueContent] = queue.Queue() + tests_iter = runtests.iter_tests() + self.pending = MultiprocessIterator(tests_iter) + self.timeout = runtests.timeout + if self.timeout is not None: + # Rely on faulthandler to kill a worker process. This timouet is + # when faulthandler fails to kill a worker process. Give a maximum + # of 5 minutes to faulthandler to kill the worker. + self.worker_timeout: float | None = min(self.timeout * 1.5, self.timeout + 5 * 60) + else: + self.worker_timeout = None + self.workers: list[WorkerThread] = [] + + jobs = self.runtests.get_jobs() + if jobs is not None: + # Don't spawn more threads than the number of jobs: + # these worker threads would never get anything to do. + self.num_workers = min(self.num_workers, jobs) + + def start_workers(self) -> None: + self.workers = [WorkerThread(index, self) + for index in range(1, self.num_workers + 1)] + jobs = self.runtests.get_jobs() + if jobs is not None: + tests = count(jobs, 'test') + else: + tests = 'tests' + nworkers = len(self.workers) + processes = plural(nworkers, "process", "processes") + msg = (f"Run {tests} in parallel using " + f"{nworkers} worker {processes}") + if self.timeout and self.worker_timeout is not None: + msg += (" (timeout: %s, worker timeout: %s)" + % (format_duration(self.timeout), + format_duration(self.worker_timeout))) + self.log(msg) + for worker in self.workers: + worker.start() + self.live_worker_count += 1 + + def stop_workers(self) -> None: + start_time = time.monotonic() + for worker in self.workers: + worker.stop() + for worker in self.workers: + worker.wait_stopped(start_time) + + def _get_result(self) -> QueueOutput | None: + pgo = self.runtests.pgo + use_faulthandler = (self.timeout is not None) + + # bpo-46205: check the status of workers every iteration to avoid + # waiting forever on an empty queue. + while self.live_worker_count > 0: + if use_faulthandler: + faulthandler.dump_traceback_later(MAIN_PROCESS_TIMEOUT, + exit=True) + + # wait for a thread + try: + result = self.output.get(timeout=PROGRESS_UPDATE) + if isinstance(result, WorkerThreadExited): + self.live_worker_count -= 1 + continue + return result + except queue.Empty: + pass + + if not pgo: + # display progress + running = get_running(self.workers) + if running: + self.log(running) + return None + + def display_result(self, mp_result: MultiprocessResult) -> None: + result = mp_result.result + pgo = self.runtests.pgo + + text = str(result) + if mp_result.err_msg: + # WORKER_BUG + text += ' (%s)' % mp_result.err_msg + elif (result.duration and result.duration >= PROGRESS_MIN_TIME and not pgo): + text += ' (%s)' % format_duration(result.duration) + if not pgo: + running = get_running(self.workers) + if running: + text += f' -- {running}' + self.display_progress(self.test_index, text) + + def _process_result(self, item: QueueOutput) -> TestResult: + """Returns True if test runner must stop.""" + if item[0]: + # Thread got an exception + format_exc = item[1] + print_warning(f"regrtest worker thread failed: {format_exc}") + result = TestResult("", state=State.WORKER_BUG) + self.results.accumulate_result(result, self.runtests) + return result + + self.test_index += 1 + mp_result = item[1] + result = mp_result.result + self.results.accumulate_result(result, self.runtests) + self.display_result(mp_result) + + # Display worker stdout + if not self.runtests.output_on_failure: + show_stdout = True + else: + # --verbose3 ignores stdout on success + show_stdout = (result.state != State.PASSED) + if show_stdout: + stdout = mp_result.worker_stdout + if stdout: + print(stdout, flush=True) + + return result + + def run(self) -> None: + fail_fast = self.runtests.fail_fast + fail_env_changed = self.runtests.fail_env_changed + + self.start_workers() + + self.test_index = 0 + try: + while True: + item = self._get_result() + if item is None: + break + + result = self._process_result(item) + if result.must_stop(fail_fast, fail_env_changed): + break + except KeyboardInterrupt: + print() + self.results.interrupted = True + finally: + if self.timeout is not None: + faulthandler.cancel_dump_traceback_later() + + # Always ensure that all worker processes are no longer + # worker when we exit this function + self.pending.stop() + self.stop_workers() diff --git a/Lib/test/libregrtest/runtests.py b/Lib/test/libregrtest/runtests.py new file mode 100644 index 00000000000..8ab1a3222da --- /dev/null +++ b/Lib/test/libregrtest/runtests.py @@ -0,0 +1,215 @@ +import contextlib +import dataclasses +import json +import os +import shlex +import subprocess +import sys +from typing import Any, Iterator + +from test import support + +from .utils import ( + StrPath, StrJSON, TestTuple, TestName, TestFilter, FilterTuple, FilterDict) + +@dataclasses.dataclass(slots=True, frozen=True) +class JsonFile: + # file type depends on file_type: + # - UNIX_FD: file descriptor (int) + # - WINDOWS_HANDLE: handle (int) + # - STDOUT: use process stdout (None) + file: int | None + file_type: str + + def configure_subprocess(self, popen_kwargs: dict[str, Any]) -> None: + match self.file_type: + case "UNIX_FD": + # Unix file descriptor + popen_kwargs['pass_fds'] = [self.file] + case "WINDOWS_HANDLE": + # Windows handle + # We run mypy with `--platform=linux` so it complains about this: + startupinfo = subprocess.STARTUPINFO() # type: ignore[attr-defined] + startupinfo.lpAttributeList = {"handle_list": [self.file]} + popen_kwargs['startupinfo'] = startupinfo + + @contextlib.contextmanager + def inherit_subprocess(self) -> Iterator[None]: + if sys.platform == 'win32' and self.file_type == "WINDOWS_HANDLE": + os.set_handle_inheritable(self.file, True) + try: + yield + finally: + os.set_handle_inheritable(self.file, False) + else: + yield + + def open(self, mode='r', *, encoding): + if self.file_type == "STDOUT": + raise ValueError("for STDOUT file type, just use sys.stdout") + + file = self.file + if self.file_type == "WINDOWS_HANDLE": + import msvcrt + # Create a file descriptor from the handle + file = msvcrt.open_osfhandle(file, os.O_WRONLY) + return open(file, mode, encoding=encoding) + + +@dataclasses.dataclass(slots=True, frozen=True) +class HuntRefleak: + warmups: int + runs: int + filename: StrPath + + def bisect_cmd_args(self) -> list[str]: + # Ignore filename since it can contain colon (":"), + # and usually it's not used. Use the default filename. + return ["-R", f"{self.warmups}:{self.runs}:"] + + +@dataclasses.dataclass(slots=True, frozen=True) +class RunTests: + tests: TestTuple + fail_fast: bool + fail_env_changed: bool + match_tests: TestFilter + match_tests_dict: FilterDict | None + rerun: bool + forever: bool + pgo: bool + pgo_extended: bool + output_on_failure: bool + timeout: float | None + verbose: int + quiet: bool + hunt_refleak: HuntRefleak | None + test_dir: StrPath | None + use_junit: bool + coverage: bool + memory_limit: str | None + gc_threshold: int | None + use_resources: tuple[str, ...] + python_cmd: tuple[str, ...] | None + randomize: bool + random_seed: int | str + + def copy(self, **override) -> 'RunTests': + state = dataclasses.asdict(self) + state.update(override) + return RunTests(**state) + + def create_worker_runtests(self, **override) -> 'WorkerRunTests': + state = dataclasses.asdict(self) + state.update(override) + return WorkerRunTests(**state) + + def get_match_tests(self, test_name: TestName) -> FilterTuple | None: + if self.match_tests_dict is not None: + return self.match_tests_dict.get(test_name, None) + else: + return None + + def get_jobs(self) -> int | None: + # Number of run_single_test() calls needed to run all tests. + # None means that there is not bound limit (--forever option). + if self.forever: + return None + return len(self.tests) + + def iter_tests(self) -> Iterator[TestName]: + if self.forever: + while True: + yield from self.tests + else: + yield from self.tests + + def json_file_use_stdout(self) -> bool: + # Use STDOUT in two cases: + # + # - If --python command line option is used; + # - On Emscripten and WASI. + # + # On other platforms, UNIX_FD or WINDOWS_HANDLE can be used. + return ( + bool(self.python_cmd) + or support.is_emscripten + or support.is_wasi + ) + + def create_python_cmd(self) -> list[str]: + python_opts = support.args_from_interpreter_flags() + if self.python_cmd is not None: + executable = self.python_cmd + # Remove -E option, since --python=COMMAND can set PYTHON + # environment variables, such as PYTHONPATH, in the worker + # process. + python_opts = [opt for opt in python_opts if opt != "-E"] + else: + executable = (sys.executable,) + cmd = [*executable, *python_opts] + if '-u' not in python_opts: + cmd.append('-u') # Unbuffered stdout and stderr + if self.coverage: + cmd.append("-Xpresite=test.cov") + return cmd + + def bisect_cmd_args(self) -> list[str]: + args = [] + if self.fail_fast: + args.append("--failfast") + if self.fail_env_changed: + args.append("--fail-env-changed") + if self.timeout: + args.append(f"--timeout={self.timeout}") + if self.hunt_refleak is not None: + args.extend(self.hunt_refleak.bisect_cmd_args()) + if self.test_dir: + args.extend(("--testdir", self.test_dir)) + if self.memory_limit: + args.extend(("--memlimit", self.memory_limit)) + if self.gc_threshold: + args.append(f"--threshold={self.gc_threshold}") + if self.use_resources: + args.extend(("-u", ','.join(self.use_resources))) + if self.python_cmd: + cmd = shlex.join(self.python_cmd) + args.extend(("--python", cmd)) + if self.randomize: + args.append(f"--randomize") + args.append(f"--randseed={self.random_seed}") + return args + + +@dataclasses.dataclass(slots=True, frozen=True) +class WorkerRunTests(RunTests): + json_file: JsonFile + + def as_json(self) -> StrJSON: + return json.dumps(self, cls=_EncodeRunTests) + + @staticmethod + def from_json(worker_json: StrJSON) -> 'WorkerRunTests': + return json.loads(worker_json, object_hook=_decode_runtests) + + +class _EncodeRunTests(json.JSONEncoder): + def default(self, o: Any) -> dict[str, Any]: + if isinstance(o, WorkerRunTests): + result = dataclasses.asdict(o) + result["__runtests__"] = True + return result + else: + return super().default(o) + + +def _decode_runtests(data: dict[str, Any]) -> RunTests | dict[str, Any]: + if "__runtests__" in data: + data.pop('__runtests__') + if data['hunt_refleak']: + data['hunt_refleak'] = HuntRefleak(**data['hunt_refleak']) + if data['json_file']: + data['json_file'] = JsonFile(**data['json_file']) + return WorkerRunTests(**data) + else: + return data diff --git a/Lib/test/libregrtest/setup.py b/Lib/test/libregrtest/setup.py index b1a5ded5254..ba57f06b484 100644 --- a/Lib/test/libregrtest/setup.py +++ b/Lib/test/libregrtest/setup.py @@ -1,17 +1,34 @@ -import atexit import faulthandler +import gc import os +import random import signal import sys import unittest from test import support -try: - import gc -except ImportError: - gc = None +from test.support.os_helper import TESTFN_UNDECODABLE, FS_NONASCII +from .filter import set_match_tests +from .runtests import RunTests +from .utils import ( + setup_unraisable_hook, setup_threading_excepthook, fix_umask, + adjust_rlimit_nofile) -def setup_tests(ns): + +UNICODE_GUARD_ENV = "PYTHONREGRTEST_UNICODE_GUARD" + + +def setup_test_dir(testdir: str | None) -> None: + if testdir: + # Prepend test directory to sys.path, so runtest() will be able + # to locate tests + sys.path.insert(0, os.path.abspath(testdir)) + + +def setup_process() -> None: + fix_umask() + + assert sys.__stderr__ is not None, "sys.__stderr__ is None" try: stderr_fd = sys.__stderr__.fileno() except (ValueError, AttributeError): @@ -19,7 +36,7 @@ def setup_tests(ns): # and ValueError on a closed stream. # # Catch AttributeError for stderr being None. - stderr_fd = None + pass else: # Display the Python traceback on fatal errors (e.g. segfault) faulthandler.enable(all_threads=True, file=stderr_fd) @@ -33,13 +50,9 @@ def setup_tests(ns): for signum in signals: faulthandler.register(signum, chain=True, file=stderr_fd) - # replace_stdout() - # support.record_original_stdout(sys.stdout) + adjust_rlimit_nofile() - if ns.testdir: - # Prepend test directory to sys.path, so runtest() will be able - # to locate tests - sys.path.insert(0, os.path.abspath(ns.testdir)) + support.record_original_stdout(sys.stdout) # Some times __path__ and __file__ are not absolute (e.g. while running from # Lib/) and, if we change the CWD to run the tests in a temporary dir, some @@ -56,79 +69,66 @@ def setup_tests(ns): for index, path in enumerate(module.__path__): module.__path__[index] = os.path.abspath(path) if getattr(module, '__file__', None): - module.__file__ = os.path.abspath(module.__file__) - - # MacOSX (a.k.a. Darwin) has a default stack size that is too small - # for deeply recursive regular expressions. We see this as crashes in - # the Python test suite when running test_re.py and test_sre.py. The - # fix is to set the stack limit to 2048. - # This approach may also be useful for other Unixy platforms that - # suffer from small default stack limits. - if sys.platform == 'darwin': - try: - import resource - except ImportError: + module.__file__ = os.path.abspath(module.__file__) # type: ignore[type-var] + + if hasattr(sys, 'addaudithook'): + # Add an auditing hook for all tests to ensure PySys_Audit is tested + def _test_audit_hook(name, args): pass - else: - soft, hard = resource.getrlimit(resource.RLIMIT_STACK) - newsoft = min(hard, max(soft, 1024*2048)) - resource.setrlimit(resource.RLIMIT_STACK, (newsoft, hard)) + sys.addaudithook(_test_audit_hook) - if ns.huntrleaks: - unittest.BaseTestSuite._cleanup = False + setup_unraisable_hook() + setup_threading_excepthook() - if ns.memlimit is not None: - support.set_memlimit(ns.memlimit) + # Ensure there's a non-ASCII character in env vars at all times to force + # tests consider this case. See BPO-44647 for details. + if TESTFN_UNDECODABLE and os.supports_bytes_environ: + os.environb.setdefault(UNICODE_GUARD_ENV.encode(), TESTFN_UNDECODABLE) + elif FS_NONASCII: + os.environ.setdefault(UNICODE_GUARD_ENV, FS_NONASCII) - if ns.threshold is not None: - gc.set_threshold(ns.threshold) - try: - import msvcrt - except ImportError: - pass +def setup_tests(runtests: RunTests) -> None: + support.verbose = runtests.verbose + support.failfast = runtests.fail_fast + support.PGO = runtests.pgo + support.PGO_EXTENDED = runtests.pgo_extended + + set_match_tests(runtests.match_tests) + + if runtests.use_junit: + support.junit_xml_list = [] + from .testresult import RegressionTestResult + RegressionTestResult.USE_XML = True else: - msvcrt.SetErrorMode(msvcrt.SEM_FAILCRITICALERRORS| - msvcrt.SEM_NOALIGNMENTFAULTEXCEPT| - msvcrt.SEM_NOGPFAULTERRORBOX| - msvcrt.SEM_NOOPENFILEERRORBOX) - try: - msvcrt.CrtSetReportMode - except AttributeError: - # release build - pass - else: - for m in [msvcrt.CRT_WARN, msvcrt.CRT_ERROR, msvcrt.CRT_ASSERT]: - if ns.verbose and ns.verbose >= 2: - msvcrt.CrtSetReportMode(m, msvcrt.CRTDBG_MODE_FILE) - msvcrt.CrtSetReportFile(m, msvcrt.CRTDBG_FILE_STDERR) - else: - msvcrt.CrtSetReportMode(m, 0) + support.junit_xml_list = None - support.use_resources = ns.use_resources + if runtests.memory_limit is not None: + support.set_memlimit(runtests.memory_limit) + support.suppress_msvcrt_asserts(runtests.verbose >= 2) -def replace_stdout(): - """Set stdout encoder error handler to backslashreplace (as stderr error - handler) to avoid UnicodeEncodeError when printing a traceback""" - stdout = sys.stdout - try: - fd = stdout.fileno() - except ValueError: - # On IDLE, sys.stdout has no file descriptor and is not a TextIOWrapper - # object. Leaving sys.stdout unchanged. - # - # Catch ValueError to catch io.UnsupportedOperation on TextIOBase - # and ValueError on a closed stream. - return - - sys.stdout = open(fd, 'w', - encoding=stdout.encoding, - errors="backslashreplace", - closefd=False, - newline='\n') - - def restore_stdout(): - sys.stdout.close() - sys.stdout = stdout - atexit.register(restore_stdout) + support.use_resources = runtests.use_resources + + timeout = runtests.timeout + if timeout is not None: + # For a slow buildbot worker, increase SHORT_TIMEOUT and LONG_TIMEOUT + support.LOOPBACK_TIMEOUT = max(support.LOOPBACK_TIMEOUT, timeout / 120) + # don't increase INTERNET_TIMEOUT + support.SHORT_TIMEOUT = max(support.SHORT_TIMEOUT, timeout / 40) + support.LONG_TIMEOUT = max(support.LONG_TIMEOUT, timeout / 4) + + # If --timeout is short: reduce timeouts + support.LOOPBACK_TIMEOUT = min(support.LOOPBACK_TIMEOUT, timeout) + support.INTERNET_TIMEOUT = min(support.INTERNET_TIMEOUT, timeout) + support.SHORT_TIMEOUT = min(support.SHORT_TIMEOUT, timeout) + support.LONG_TIMEOUT = min(support.LONG_TIMEOUT, timeout) + + if runtests.hunt_refleak: + # private attribute that mypy doesn't know about: + unittest.BaseTestSuite._cleanup = False # type: ignore[attr-defined] + + if runtests.gc_threshold is not None: + gc.set_threshold(runtests.gc_threshold) + + random.seed(runtests.random_seed) diff --git a/Lib/test/libregrtest/single.py b/Lib/test/libregrtest/single.py new file mode 100644 index 00000000000..f4609db767d --- /dev/null +++ b/Lib/test/libregrtest/single.py @@ -0,0 +1,322 @@ +import faulthandler +import gc +import importlib +import io +import sys +import time +import traceback +import unittest + +from test import support +from test.support import threading_helper + +from .filter import match_test +from .result import State, TestResult, TestStats +from .runtests import RunTests +from .save_env import saved_test_environment +from .setup import setup_tests +from .testresult import get_test_runner +from .utils import ( + TestName, + clear_caches, remove_testfn, abs_module_name, print_warning) + + +# Minimum duration of a test to display its duration or to mention that +# the test is running in background +PROGRESS_MIN_TIME = 30.0 # seconds + + +def run_unittest(test_mod): + loader = unittest.TestLoader() + tests = loader.loadTestsFromModule(test_mod) + for error in loader.errors: + print(error, file=sys.stderr) + if loader.errors: + raise Exception("errors while loading tests") + _filter_suite(tests, match_test) + return _run_suite(tests) + +def _filter_suite(suite, pred): + """Recursively filter test cases in a suite based on a predicate.""" + newtests = [] + for test in suite._tests: + if isinstance(test, unittest.TestSuite): + _filter_suite(test, pred) + newtests.append(test) + else: + if pred(test): + newtests.append(test) + suite._tests = newtests + +def _run_suite(suite): + """Run tests from a unittest.TestSuite-derived class.""" + runner = get_test_runner(sys.stdout, + verbosity=support.verbose, + capture_output=(support.junit_xml_list is not None)) + + result = runner.run(suite) + + if support.junit_xml_list is not None: + import xml.etree.ElementTree as ET + xml_elem = result.get_xml_element() + xml_str = ET.tostring(xml_elem).decode('ascii') + support.junit_xml_list.append(xml_str) + + if not result.testsRun and not result.skipped and not result.errors: + raise support.TestDidNotRun + if not result.wasSuccessful(): + stats = TestStats.from_unittest(result) + if len(result.errors) == 1 and not result.failures: + err = result.errors[0][1] + elif len(result.failures) == 1 and not result.errors: + err = result.failures[0][1] + else: + err = "multiple errors occurred" + if not support.verbose: err += "; run in verbose mode for details" + errors = [(str(tc), exc_str) for tc, exc_str in result.errors] + failures = [(str(tc), exc_str) for tc, exc_str in result.failures] + raise support.TestFailedWithDetails(err, errors, failures, stats=stats) + return result + + +def regrtest_runner(result: TestResult, test_func, runtests: RunTests) -> None: + # Run test_func(), collect statistics, and detect reference and memory + # leaks. + if runtests.hunt_refleak: + from .refleak import runtest_refleak + refleak, test_result = runtest_refleak(result.test_name, test_func, + runtests.hunt_refleak, + runtests.quiet) + else: + test_result = test_func() + refleak = False + + if refleak: + result.state = State.REFLEAK + + stats: TestStats | None + + if isinstance(test_result, TestStats): + stats = test_result + elif isinstance(test_result, unittest.TestResult): + stats = TestStats.from_unittest(test_result) + elif test_result is None: + print_warning(f"{result.test_name} test runner returned None: {test_func}") + stats = None + else: + # Don't import doctest at top level since only few tests return + # a doctest.TestResult instance. + import doctest + if isinstance(test_result, doctest.TestResults): + stats = TestStats.from_doctest(test_result) + else: + print_warning(f"Unknown test result type: {type(test_result)}") + stats = None + + result.stats = stats + + +# Storage of uncollectable GC objects (gc.garbage) +GC_GARBAGE = [] + + +def _load_run_test(result: TestResult, runtests: RunTests) -> None: + # Load the test module and run the tests. + test_name = result.test_name + module_name = abs_module_name(test_name, runtests.test_dir) + test_mod = importlib.import_module(module_name) + + if hasattr(test_mod, "test_main"): + # https://github.com/python/cpython/issues/89392 + raise Exception(f"Module {test_name} defines test_main() which " + f"is no longer supported by regrtest") + def test_func(): + return run_unittest(test_mod) + + try: + regrtest_runner(result, test_func, runtests) + finally: + # First kill any dangling references to open files etc. + # This can also issue some ResourceWarnings which would otherwise get + # triggered during the following test run, and possibly produce + # failures. + support.gc_collect() + + remove_testfn(test_name, runtests.verbose) + + # TODO: RUSTPYTHON (there is no gc at the moment) + # if gc.garbage: + # support.environment_altered = True + # print_warning(f"{test_name} created {len(gc.garbage)} " + # f"uncollectable object(s)") + # + # move the uncollectable objects somewhere, + # so we don't see them again + # GC_GARBAGE.extend(gc.garbage) + # gc.garbage.clear() + + support.reap_children() + + +def _runtest_env_changed_exc(result: TestResult, runtests: RunTests, + display_failure: bool = True) -> None: + # Handle exceptions, detect environment changes. + + # Reset the environment_altered flag to detect if a test altered + # the environment + support.environment_altered = False + + pgo = runtests.pgo + if pgo: + display_failure = False + quiet = runtests.quiet + + test_name = result.test_name + try: + clear_caches() + support.gc_collect() + + with saved_test_environment(test_name, + runtests.verbose, quiet, pgo=pgo): + _load_run_test(result, runtests) + except support.ResourceDenied as exc: + if not quiet and not pgo: + print(f"{test_name} skipped -- {exc}", flush=True) + result.state = State.RESOURCE_DENIED + return + except unittest.SkipTest as exc: + if not quiet and not pgo: + print(f"{test_name} skipped -- {exc}", flush=True) + result.state = State.SKIPPED + return + except support.TestFailedWithDetails as exc: + msg = f"test {test_name} failed" + if display_failure: + msg = f"{msg} -- {exc}" + print(msg, file=sys.stderr, flush=True) + result.state = State.FAILED + result.errors = exc.errors + result.failures = exc.failures + result.stats = exc.stats + return + except support.TestFailed as exc: + msg = f"test {test_name} failed" + if display_failure: + msg = f"{msg} -- {exc}" + print(msg, file=sys.stderr, flush=True) + result.state = State.FAILED + result.stats = exc.stats + return + except support.TestDidNotRun: + result.state = State.DID_NOT_RUN + return + except KeyboardInterrupt: + print() + result.state = State.INTERRUPTED + return + except: + if not pgo: + msg = traceback.format_exc() + print(f"test {test_name} crashed -- {msg}", + file=sys.stderr, flush=True) + result.state = State.UNCAUGHT_EXC + return + + if support.environment_altered: + result.set_env_changed() + # Don't override the state if it was already set (REFLEAK or ENV_CHANGED) + if result.state is None: + result.state = State.PASSED + + +def _runtest(result: TestResult, runtests: RunTests) -> None: + # Capture stdout and stderr, set faulthandler timeout, + # and create JUnit XML report. + verbose = runtests.verbose + output_on_failure = runtests.output_on_failure + timeout = runtests.timeout + + if timeout is not None and threading_helper.can_start_thread: + use_timeout = True + faulthandler.dump_traceback_later(timeout, exit=True) + else: + use_timeout = False + + try: + setup_tests(runtests) + + if output_on_failure: + support.verbose = True + + stream = io.StringIO() + orig_stdout = sys.stdout + orig_stderr = sys.stderr + print_warning = support.print_warning + orig_print_warnings_stderr = print_warning.orig_stderr + + output = None + try: + sys.stdout = stream + sys.stderr = stream + # print_warning() writes into the temporary stream to preserve + # messages order. If support.environment_altered becomes true, + # warnings will be written to sys.stderr below. + print_warning.orig_stderr = stream + + _runtest_env_changed_exc(result, runtests, display_failure=False) + # Ignore output if the test passed successfully + if result.state != State.PASSED: + output = stream.getvalue() + finally: + sys.stdout = orig_stdout + sys.stderr = orig_stderr + print_warning.orig_stderr = orig_print_warnings_stderr + + if output is not None: + sys.stderr.write(output) + sys.stderr.flush() + else: + # Tell tests to be moderately quiet + support.verbose = verbose + _runtest_env_changed_exc(result, runtests, + display_failure=not verbose) + + xml_list = support.junit_xml_list + if xml_list: + result.xml_data = xml_list + finally: + if use_timeout: + faulthandler.cancel_dump_traceback_later() + support.junit_xml_list = None + + +def run_single_test(test_name: TestName, runtests: RunTests) -> TestResult: + """Run a single test. + + test_name -- the name of the test + + Returns a TestResult. + + If runtests.use_junit, xml_data is a list containing each generated + testsuite element. + """ + start_time = time.perf_counter() + result = TestResult(test_name) + pgo = runtests.pgo + try: + # gh-117783: don't immortalize deferred objects when tracking + # refleaks. Only releveant for the free-threaded build. + with support.suppress_immortalization(runtests.hunt_refleak): + _runtest(result, runtests) + except: + if not pgo: + msg = traceback.format_exc() + print(f"test {test_name} crashed -- {msg}", + file=sys.stderr, flush=True) + result.state = State.UNCAUGHT_EXC + + sys.stdout.flush() + sys.stderr.flush() + + result.duration = time.perf_counter() - start_time + return result diff --git a/Lib/test/libregrtest/testresult.py b/Lib/test/libregrtest/testresult.py new file mode 100644 index 00000000000..1820f354572 --- /dev/null +++ b/Lib/test/libregrtest/testresult.py @@ -0,0 +1,193 @@ +'''Test runner and result class for the regression test suite. + +''' + +import functools +import io +import sys +import time +import traceback +import unittest +from test import support +from test.libregrtest.utils import sanitize_xml + +class RegressionTestResult(unittest.TextTestResult): + USE_XML = False + + def __init__(self, stream, descriptions, verbosity): + super().__init__(stream=stream, descriptions=descriptions, + verbosity=2 if verbosity else 0) + self.buffer = True + if self.USE_XML: + from xml.etree import ElementTree as ET + from datetime import datetime, UTC + self.__ET = ET + self.__suite = ET.Element('testsuite') + self.__suite.set('start', + datetime.now(UTC) + .replace(tzinfo=None) + .isoformat(' ')) + self.__e = None + self.__start_time = None + + @classmethod + def __getId(cls, test): + try: + test_id = test.id + except AttributeError: + return str(test) + try: + return test_id() + except TypeError: + return str(test_id) + return repr(test) + + def startTest(self, test): + super().startTest(test) + if self.USE_XML: + self.__e = e = self.__ET.SubElement(self.__suite, 'testcase') + self.__start_time = time.perf_counter() + + def _add_result(self, test, capture=False, **args): + if not self.USE_XML: + return + e = self.__e + self.__e = None + if e is None: + return + ET = self.__ET + + e.set('name', args.pop('name', self.__getId(test))) + e.set('status', args.pop('status', 'run')) + e.set('result', args.pop('result', 'completed')) + if self.__start_time: + e.set('time', f'{time.perf_counter() - self.__start_time:0.6f}') + + if capture: + if self._stdout_buffer is not None: + stdout = self._stdout_buffer.getvalue().rstrip() + ET.SubElement(e, 'system-out').text = sanitize_xml(stdout) + if self._stderr_buffer is not None: + stderr = self._stderr_buffer.getvalue().rstrip() + ET.SubElement(e, 'system-err').text = sanitize_xml(stderr) + + for k, v in args.items(): + if not k or not v: + continue + + e2 = ET.SubElement(e, k) + if hasattr(v, 'items'): + for k2, v2 in v.items(): + if k2: + e2.set(k2, sanitize_xml(str(v2))) + else: + e2.text = sanitize_xml(str(v2)) + else: + e2.text = sanitize_xml(str(v)) + + @classmethod + def __makeErrorDict(cls, err_type, err_value, err_tb): + if isinstance(err_type, type): + if err_type.__module__ == 'builtins': + typename = err_type.__name__ + else: + typename = f'{err_type.__module__}.{err_type.__name__}' + else: + typename = repr(err_type) + + msg = traceback.format_exception(err_type, err_value, None) + tb = traceback.format_exception(err_type, err_value, err_tb) + + return { + 'type': typename, + 'message': ''.join(msg), + '': ''.join(tb), + } + + def addError(self, test, err): + self._add_result(test, True, error=self.__makeErrorDict(*err)) + super().addError(test, err) + + def addExpectedFailure(self, test, err): + self._add_result(test, True, output=self.__makeErrorDict(*err)) + super().addExpectedFailure(test, err) + + def addFailure(self, test, err): + self._add_result(test, True, failure=self.__makeErrorDict(*err)) + super().addFailure(test, err) + if support.failfast: + self.stop() + + def addSkip(self, test, reason): + self._add_result(test, skipped=reason) + super().addSkip(test, reason) + + def addSuccess(self, test): + self._add_result(test) + super().addSuccess(test) + + def addUnexpectedSuccess(self, test): + self._add_result(test, outcome='UNEXPECTED_SUCCESS') + super().addUnexpectedSuccess(test) + + def get_xml_element(self): + if not self.USE_XML: + raise ValueError("USE_XML is false") + e = self.__suite + e.set('tests', str(self.testsRun)) + e.set('errors', str(len(self.errors))) + e.set('failures', str(len(self.failures))) + return e + +class QuietRegressionTestRunner: + def __init__(self, stream, buffer=False): + self.result = RegressionTestResult(stream, None, 0) + self.result.buffer = buffer + + def run(self, test): + test(self.result) + return self.result + +def get_test_runner_class(verbosity, buffer=False): + if verbosity: + return functools.partial(unittest.TextTestRunner, + resultclass=RegressionTestResult, + buffer=buffer, + verbosity=verbosity) + return functools.partial(QuietRegressionTestRunner, buffer=buffer) + +def get_test_runner(stream, verbosity, capture_output=False): + return get_test_runner_class(verbosity, capture_output)(stream) + +if __name__ == '__main__': + import xml.etree.ElementTree as ET + RegressionTestResult.USE_XML = True + + class TestTests(unittest.TestCase): + def test_pass(self): + pass + + def test_pass_slow(self): + time.sleep(1.0) + + def test_fail(self): + print('stdout', file=sys.stdout) + print('stderr', file=sys.stderr) + self.fail('failure message') + + def test_error(self): + print('stdout', file=sys.stdout) + print('stderr', file=sys.stderr) + raise RuntimeError('error message') + + suite = unittest.TestSuite() + suite.addTest(unittest.TestLoader().loadTestsFromTestCase(TestTests)) + stream = io.StringIO() + runner_cls = get_test_runner_class(sum(a == '-v' for a in sys.argv)) + runner = runner_cls(sys.stdout) + result = runner.run(suite) + print('Output:', stream.getvalue()) + print('XML: ', end='') + for s in ET.tostringlist(result.get_xml_element()): + print(s.decode(), end='') + print() diff --git a/Lib/test/libregrtest/tsan.py b/Lib/test/libregrtest/tsan.py new file mode 100644 index 00000000000..822ac0f4044 --- /dev/null +++ b/Lib/test/libregrtest/tsan.py @@ -0,0 +1,33 @@ +# Set of tests run by default if --tsan is specified. The tests below were +# chosen because they use threads and run in a reasonable amount of time. + +TSAN_TESTS = [ + # TODO: enable more of test_capi once bugs are fixed (GH-116908, GH-116909). + 'test_capi.test_mem', + 'test_capi.test_pyatomic', + 'test_code', + 'test_enum', + 'test_functools', + 'test_httpservers', + 'test_imaplib', + 'test_importlib', + 'test_io', + 'test_logging', + 'test_queue', + 'test_signal', + 'test_socket', + 'test_sqlite3', + 'test_ssl', + 'test_syslog', + 'test_thread', + 'test_threadedtempfile', + 'test_threading', + 'test_threading_local', + 'test_threadsignals', + 'test_weakref', +] + + +def setup_tsan_tests(cmdline_args) -> None: + if not cmdline_args: + cmdline_args[:] = TSAN_TESTS[:] diff --git a/Lib/test/libregrtest/utils.py b/Lib/test/libregrtest/utils.py index fb9971a64f6..8de919537c9 100644 --- a/Lib/test/libregrtest/utils.py +++ b/Lib/test/libregrtest/utils.py @@ -1,10 +1,64 @@ +import contextlib +import faulthandler +import locale import math import os.path +import platform +import random +import re +import shlex +import signal +import subprocess import sys +import sysconfig +import tempfile import textwrap +from collections.abc import Callable, Iterable +from test import support +from test.support import os_helper +from test.support import threading_helper -def format_duration(seconds): + +# All temporary files and temporary directories created by libregrtest should +# use TMP_PREFIX so cleanup_temp_dir() can remove them all. +TMP_PREFIX = 'test_python_' +WORK_DIR_PREFIX = TMP_PREFIX +WORKER_WORK_DIR_PREFIX = WORK_DIR_PREFIX + 'worker_' + +# bpo-38203: Maximum delay in seconds to exit Python (call Py_Finalize()). +# Used to protect against threading._shutdown() hang. +# Must be smaller than buildbot "1200 seconds without output" limit. +EXIT_TIMEOUT = 120.0 + + +ALL_RESOURCES = ('audio', 'curses', 'largefile', 'network', + 'decimal', 'cpu', 'subprocess', 'urlfetch', 'gui', 'walltime') + +# Other resources excluded from --use=all: +# +# - extralagefile (ex: test_zipfile64): really too slow to be enabled +# "by default" +# - tzdata: while needed to validate fully test_datetime, it makes +# test_datetime too slow (15-20 min on some buildbots) and so is disabled by +# default (see bpo-30822). +RESOURCE_NAMES = ALL_RESOURCES + ('extralargefile', 'tzdata') + + +# Types for types hints +StrPath = str +TestName = str +StrJSON = str +TestTuple = tuple[TestName, ...] +TestList = list[TestName] +# --match and --ignore options: list of patterns +# ('*' joker character can be used) +TestFilter = list[tuple[TestName, bool]] +FilterTuple = tuple[TestName, ...] +FilterDict = dict[TestName, FilterTuple] + + +def format_duration(seconds: float) -> str: ms = math.ceil(seconds * 1e3) seconds, ms = divmod(ms, 1000) minutes, seconds = divmod(seconds, 60) @@ -16,17 +70,20 @@ def format_duration(seconds): if minutes: parts.append('%s min' % minutes) if seconds: - parts.append('%s sec' % seconds) - if ms: - parts.append('%s ms' % ms) + if parts: + # 2 min 1 sec + parts.append('%s sec' % seconds) + else: + # 1.0 sec + parts.append('%.1f sec' % (seconds + ms / 1000)) if not parts: - return '0 ms' + return '%s ms' % ms parts = parts[:2] return ' '.join(parts) -def removepy(names): +def strip_py_suffix(names: list[str] | None) -> None: if not names: return for idx, name in enumerate(names): @@ -35,11 +92,20 @@ def removepy(names): names[idx] = basename -def count(n, word): +def plural(n: int, singular: str, plural: str | None = None) -> str: if n == 1: - return "%d %s" % (n, word) + return singular + elif plural is not None: + return plural else: - return "%d %ss" % (n, word) + return singular + 's' + + +def count(n: int, word: str) -> str: + if n == 1: + return f"{n} {word}" + else: + return f"{n} {word}s" def printlist(x, width=70, indent=4, file=None): @@ -57,5 +123,679 @@ def printlist(x, width=70, indent=4, file=None): file=file) -def print_warning(msg): - print(f"Warning -- {msg}", file=sys.stderr, flush=True) +def print_warning(msg: str) -> None: + support.print_warning(msg) + + +orig_unraisablehook = None + + +def regrtest_unraisable_hook(unraisable) -> None: + global orig_unraisablehook + support.environment_altered = True + support.print_warning("Unraisable exception") + old_stderr = sys.stderr + try: + support.flush_std_streams() + sys.stderr = support.print_warning.orig_stderr + assert orig_unraisablehook is not None, "orig_unraisablehook not set" + orig_unraisablehook(unraisable) + sys.stderr.flush() + finally: + sys.stderr = old_stderr + + +def setup_unraisable_hook() -> None: + global orig_unraisablehook + orig_unraisablehook = sys.unraisablehook + sys.unraisablehook = regrtest_unraisable_hook + + +orig_threading_excepthook = None + + +def regrtest_threading_excepthook(args) -> None: + global orig_threading_excepthook + support.environment_altered = True + support.print_warning(f"Uncaught thread exception: {args.exc_type.__name__}") + old_stderr = sys.stderr + try: + support.flush_std_streams() + sys.stderr = support.print_warning.orig_stderr + assert orig_threading_excepthook is not None, "orig_threading_excepthook not set" + orig_threading_excepthook(args) + sys.stderr.flush() + finally: + sys.stderr = old_stderr + + +def setup_threading_excepthook() -> None: + global orig_threading_excepthook + import threading + orig_threading_excepthook = threading.excepthook + threading.excepthook = regrtest_threading_excepthook + + +def clear_caches(): + # Clear the warnings registry, so they can be displayed again + for mod in sys.modules.values(): + if hasattr(mod, '__warningregistry__'): + del mod.__warningregistry__ + + # Flush standard output, so that buffered data is sent to the OS and + # associated Python objects are reclaimed. + for stream in (sys.stdout, sys.stderr, sys.__stdout__, sys.__stderr__): + if stream is not None: + stream.flush() + + try: + re = sys.modules['re'] + except KeyError: + pass + else: + re.purge() + + try: + _strptime = sys.modules['_strptime'] + except KeyError: + pass + else: + _strptime._regex_cache.clear() + + try: + urllib_parse = sys.modules['urllib.parse'] + except KeyError: + pass + else: + urllib_parse.clear_cache() + + try: + urllib_request = sys.modules['urllib.request'] + except KeyError: + pass + else: + urllib_request.urlcleanup() + + try: + linecache = sys.modules['linecache'] + except KeyError: + pass + else: + linecache.clearcache() + + try: + mimetypes = sys.modules['mimetypes'] + except KeyError: + pass + else: + mimetypes._default_mime_types() + + try: + filecmp = sys.modules['filecmp'] + except KeyError: + pass + else: + filecmp._cache.clear() + + try: + struct = sys.modules['struct'] + except KeyError: + pass + else: + struct._clearcache() + + try: + doctest = sys.modules['doctest'] + except KeyError: + pass + else: + doctest.master = None + + try: + ctypes = sys.modules['ctypes'] + except KeyError: + pass + else: + ctypes._reset_cache() + + try: + typing = sys.modules['typing'] + except KeyError: + pass + else: + for f in typing._cleanups: + f() + + import inspect + abs_classes = filter(inspect.isabstract, typing.__dict__.values()) + for abc in abs_classes: + for obj in abc.__subclasses__() + [abc]: + obj._abc_caches_clear() + + try: + fractions = sys.modules['fractions'] + except KeyError: + pass + else: + fractions._hash_algorithm.cache_clear() + + try: + inspect = sys.modules['inspect'] + except KeyError: + pass + else: + inspect._shadowed_dict_from_weakref_mro_tuple.cache_clear() + inspect._filesbymodname.clear() + inspect.modulesbyfile.clear() + + try: + importlib_metadata = sys.modules['importlib.metadata'] + except KeyError: + pass + else: + importlib_metadata.FastPath.__new__.cache_clear() + + +def get_build_info(): + # Get most important configure and build options as a list of strings. + # Example: ['debug', 'ASAN+MSAN'] or ['release', 'LTO+PGO']. + + config_args = sysconfig.get_config_var('CONFIG_ARGS') or '' + cflags = sysconfig.get_config_var('PY_CFLAGS') or '' + cflags += ' ' + (sysconfig.get_config_var('PY_CFLAGS_NODIST') or '') + ldflags_nodist = sysconfig.get_config_var('PY_LDFLAGS_NODIST') or '' + + build = [] + + # --disable-gil + if sysconfig.get_config_var('Py_GIL_DISABLED'): + if not sys.flags.ignore_environment: + PYTHON_GIL = os.environ.get('PYTHON_GIL', None) + if PYTHON_GIL: + PYTHON_GIL = (PYTHON_GIL == '1') + else: + PYTHON_GIL = None + + free_threading = "free_threading" + if PYTHON_GIL is not None: + free_threading = f"{free_threading} GIL={int(PYTHON_GIL)}" + build.append(free_threading) + + if hasattr(sys, 'gettotalrefcount'): + # --with-pydebug + build.append('debug') + + if '-DNDEBUG' in cflags: + build.append('without_assert') + else: + build.append('release') + + if '--with-assertions' in config_args: + build.append('with_assert') + elif '-DNDEBUG' not in cflags: + build.append('with_assert') + + # --enable-experimental-jit + tier2 = re.search('-D_Py_TIER2=([0-9]+)', cflags) + if tier2: + tier2 = int(tier2.group(1)) + + if not sys.flags.ignore_environment: + PYTHON_JIT = os.environ.get('PYTHON_JIT', None) + if PYTHON_JIT: + PYTHON_JIT = (PYTHON_JIT != '0') + else: + PYTHON_JIT = None + + if tier2 == 1: # =yes + if PYTHON_JIT == False: + jit = 'JIT=off' + else: + jit = 'JIT' + elif tier2 == 3: # =yes-off + if PYTHON_JIT: + jit = 'JIT' + else: + jit = 'JIT=off' + elif tier2 == 4: # =interpreter + if PYTHON_JIT == False: + jit = 'JIT-interpreter=off' + else: + jit = 'JIT-interpreter' + elif tier2 == 6: # =interpreter-off (Secret option!) + if PYTHON_JIT: + jit = 'JIT-interpreter' + else: + jit = 'JIT-interpreter=off' + elif '-D_Py_JIT' in cflags: + jit = 'JIT' + else: + jit = None + if jit: + build.append(jit) + + # --enable-framework=name + framework = sysconfig.get_config_var('PYTHONFRAMEWORK') + if framework: + build.append(f'framework={framework}') + + # --enable-shared + shared = int(sysconfig.get_config_var('PY_ENABLE_SHARED') or '0') + if shared: + build.append('shared') + + # --with-lto + optimizations = [] + if '-flto=thin' in ldflags_nodist: + optimizations.append('ThinLTO') + elif '-flto' in ldflags_nodist: + optimizations.append('LTO') + + if support.check_cflags_pgo(): + # PGO (--enable-optimizations) + optimizations.append('PGO') + + if support.check_bolt_optimized(): + # BOLT (--enable-bolt) + optimizations.append('BOLT') + + if optimizations: + build.append('+'.join(optimizations)) + + # --with-address-sanitizer + sanitizers = [] + if support.check_sanitizer(address=True): + sanitizers.append("ASAN") + # --with-memory-sanitizer + if support.check_sanitizer(memory=True): + sanitizers.append("MSAN") + # --with-undefined-behavior-sanitizer + if support.check_sanitizer(ub=True): + sanitizers.append("UBSAN") + # --with-thread-sanitizer + if support.check_sanitizer(thread=True): + sanitizers.append("TSAN") + if sanitizers: + build.append('+'.join(sanitizers)) + + # --with-trace-refs + if hasattr(sys, 'getobjects'): + build.append("TraceRefs") + # --enable-pystats + if hasattr(sys, '_stats_on'): + build.append("pystats") + # --with-valgrind + if sysconfig.get_config_var('WITH_VALGRIND'): + build.append("valgrind") + # --with-dtrace + if sysconfig.get_config_var('WITH_DTRACE'): + build.append("dtrace") + + return build + + +def get_temp_dir(tmp_dir: StrPath | None = None) -> StrPath: + if tmp_dir: + tmp_dir = os.path.expanduser(tmp_dir) + else: + # When tests are run from the Python build directory, it is best practice + # to keep the test files in a subfolder. This eases the cleanup of leftover + # files using the "make distclean" command. + if sysconfig.is_python_build(): + if not support.is_wasi: + tmp_dir = sysconfig.get_config_var('abs_builddir') + if tmp_dir is None: + tmp_dir = sysconfig.get_config_var('abs_srcdir') + if not tmp_dir: + # gh-74470: On Windows, only srcdir is available. Using + # abs_builddir mostly matters on UNIX when building + # Python out of the source tree, especially when the + # source tree is read only. + tmp_dir = sysconfig.get_config_var('srcdir') + if not tmp_dir: + raise RuntimeError( + "Could not determine the correct value for tmp_dir" + ) + tmp_dir = os.path.join(tmp_dir, 'build') + else: + # WASI platform + tmp_dir = sysconfig.get_config_var('projectbase') + if not tmp_dir: + raise RuntimeError( + "sysconfig.get_config_var('projectbase') " + f"unexpectedly returned {tmp_dir!r} on WASI" + ) + tmp_dir = os.path.join(tmp_dir, 'build') + + # When get_temp_dir() is called in a worker process, + # get_temp_dir() path is different than in the parent process + # which is not a WASI process. So the parent does not create + # the same "tmp_dir" than the test worker process. + os.makedirs(tmp_dir, exist_ok=True) + else: + tmp_dir = tempfile.gettempdir() + + return os.path.abspath(tmp_dir) + + +def fix_umask() -> None: + if support.is_emscripten: + # Emscripten has default umask 0o777, which breaks some tests. + # see https://github.com/emscripten-core/emscripten/issues/17269 + old_mask = os.umask(0) + if old_mask == 0o777: + os.umask(0o027) + else: + os.umask(old_mask) + + +def get_work_dir(parent_dir: StrPath, worker: bool = False) -> StrPath: + # Define a writable temp dir that will be used as cwd while running + # the tests. The name of the dir includes the pid to allow parallel + # testing (see the -j option). + # Emscripten and WASI have stubbed getpid(), Emscripten has only + # millisecond clock resolution. Use randint() instead. + if support.is_emscripten or support.is_wasi: + nounce = random.randint(0, 1_000_000) + else: + nounce = os.getpid() + + if worker: + work_dir = WORK_DIR_PREFIX + str(nounce) + else: + work_dir = WORKER_WORK_DIR_PREFIX + str(nounce) + work_dir += os_helper.FS_NONASCII + work_dir = os.path.join(parent_dir, work_dir) + return work_dir + + +@contextlib.contextmanager +def exit_timeout(): + try: + yield + except SystemExit as exc: + # bpo-38203: Python can hang at exit in Py_Finalize(), especially + # on threading._shutdown() call: put a timeout + if threading_helper.can_start_thread: + faulthandler.dump_traceback_later(EXIT_TIMEOUT, exit=True) + sys.exit(exc.code) + + +def remove_testfn(test_name: TestName, verbose: int) -> None: + # Try to clean up os_helper.TESTFN if left behind. + # + # While tests shouldn't leave any files or directories behind, when a test + # fails that can be tedious for it to arrange. The consequences can be + # especially nasty on Windows, since if a test leaves a file open, it + # cannot be deleted by name (while there's nothing we can do about that + # here either, we can display the name of the offending test, which is a + # real help). + name = os_helper.TESTFN + if not os.path.exists(name): + return + + nuker: Callable[[str], None] + if os.path.isdir(name): + import shutil + kind, nuker = "directory", shutil.rmtree + elif os.path.isfile(name): + kind, nuker = "file", os.unlink + else: + raise RuntimeError(f"os.path says {name!r} exists but is neither " + f"directory nor file") + + if verbose: + print_warning(f"{test_name} left behind {kind} {name!r}") + support.environment_altered = True + + try: + import stat + # fix possible permissions problems that might prevent cleanup + os.chmod(name, stat.S_IRWXU | stat.S_IRWXG | stat.S_IRWXO) + nuker(name) + except Exception as exc: + print_warning(f"{test_name} left behind {kind} {name!r} " + f"and it couldn't be removed: {exc}") + + +def abs_module_name(test_name: TestName, test_dir: StrPath | None) -> TestName: + if test_name.startswith('test.') or test_dir: + return test_name + else: + # Import it from the test package + return 'test.' + test_name + + +# gh-90681: When rerunning tests, we might need to rerun the whole +# class or module suite if some its life-cycle hooks fail. +# Test level hooks are not affected. +_TEST_LIFECYCLE_HOOKS = frozenset(( + 'setUpClass', 'tearDownClass', + 'setUpModule', 'tearDownModule', +)) + +def normalize_test_name(test_full_name: str, *, + is_error: bool = False) -> str | None: + short_name = test_full_name.split(" ")[0] + if is_error and short_name in _TEST_LIFECYCLE_HOOKS: + if test_full_name.startswith(('setUpModule (', 'tearDownModule (')): + # if setUpModule() or tearDownModule() failed, don't filter + # tests with the test file name, don't use use filters. + return None + + # This means that we have a failure in a life-cycle hook, + # we need to rerun the whole module or class suite. + # Basically the error looks like this: + # ERROR: setUpClass (test.test_reg_ex.RegTest) + # or + # ERROR: setUpModule (test.test_reg_ex) + # So, we need to parse the class / module name. + lpar = test_full_name.index('(') + rpar = test_full_name.index(')') + return test_full_name[lpar + 1: rpar].split('.')[-1] + return short_name + + +def adjust_rlimit_nofile() -> None: + """ + On macOS the default fd limit (RLIMIT_NOFILE) is sometimes too low (256) + for our test suite to succeed. Raise it to something more reasonable. 1024 + is a common Linux default. + """ + try: + import resource + except ImportError: + return + + fd_limit, max_fds = resource.getrlimit(resource.RLIMIT_NOFILE) + + desired_fds = 1024 + + if fd_limit < desired_fds and fd_limit < max_fds: + new_fd_limit = min(desired_fds, max_fds) + try: + resource.setrlimit(resource.RLIMIT_NOFILE, + (new_fd_limit, max_fds)) + print(f"Raised RLIMIT_NOFILE: {fd_limit} -> {new_fd_limit}") + except (ValueError, OSError) as err: + print_warning(f"Unable to raise RLIMIT_NOFILE from {fd_limit} to " + f"{new_fd_limit}: {err}.") + + +def get_host_runner() -> str: + if (hostrunner := os.environ.get("_PYTHON_HOSTRUNNER")) is None: + hostrunner = sysconfig.get_config_var("HOSTRUNNER") + return hostrunner + + +def is_cross_compiled() -> bool: + return ('_PYTHON_HOST_PLATFORM' in os.environ) + + +def format_resources(use_resources: Iterable[str]) -> str: + use_resources = set(use_resources) + all_resources = set(ALL_RESOURCES) + + # Express resources relative to "all" + relative_all = ['all'] + for name in sorted(all_resources - use_resources): + relative_all.append(f'-{name}') + for name in sorted(use_resources - all_resources): + relative_all.append(f'{name}') + all_text = ','.join(relative_all) + all_text = f"resources: {all_text}" + + # List of enabled resources + text = ','.join(sorted(use_resources)) + text = f"resources ({len(use_resources)}): {text}" + + # Pick the shortest string (prefer relative to all if lengths are equal) + if len(all_text) <= len(text): + return all_text + else: + return text + + +def display_header(use_resources: tuple[str, ...], + python_cmd: tuple[str, ...] | None) -> None: + # Print basic platform information + print("==", platform.python_implementation(), *sys.version.split()) + print("==", platform.platform(aliased=True), + "%s-endian" % sys.byteorder) + print("== Python build:", ' '.join(get_build_info())) + print("== cwd:", os.getcwd()) + + cpu_count: object = os.cpu_count() + if cpu_count: + # The function is new in Python 3.13; mypy doesn't know about it yet: + # TODO: RUSTPYTHON + # process_cpu_count = os.process_cpu_count() # type: ignore[attr-defined] + process_cpu_count = os.cpu_count() + if process_cpu_count and process_cpu_count != cpu_count: + cpu_count = f"{process_cpu_count} (process) / {cpu_count} (system)" + print("== CPU count:", cpu_count) + print("== encodings: locale=%s FS=%s" + % (locale.getencoding(), sys.getfilesystemencoding())) + + if use_resources: + text = format_resources(use_resources) + print(f"== {text}") + else: + print("== resources: all test resources are disabled, " + "use -u option to unskip tests") + + cross_compile = is_cross_compiled() + if cross_compile: + print("== cross compiled: Yes") + if python_cmd: + cmd = shlex.join(python_cmd) + print(f"== host python: {cmd}") + + get_cmd = [*python_cmd, '-m', 'platform'] + proc = subprocess.run( + get_cmd, + stdout=subprocess.PIPE, + text=True, + cwd=os_helper.SAVEDCWD) + stdout = proc.stdout.replace('\n', ' ').strip() + if stdout: + print(f"== host platform: {stdout}") + elif proc.returncode: + print(f"== host platform: ") + else: + hostrunner = get_host_runner() + if hostrunner: + print(f"== host runner: {hostrunner}") + + # This makes it easier to remember what to set in your local + # environment when trying to reproduce a sanitizer failure. + asan = support.check_sanitizer(address=True) + msan = support.check_sanitizer(memory=True) + ubsan = support.check_sanitizer(ub=True) + tsan = support.check_sanitizer(thread=True) + sanitizers = [] + if asan: + sanitizers.append("address") + if msan: + sanitizers.append("memory") + if ubsan: + sanitizers.append("undefined behavior") + if tsan: + sanitizers.append("thread") + if sanitizers: + print(f"== sanitizers: {', '.join(sanitizers)}") + for sanitizer, env_var in ( + (asan, "ASAN_OPTIONS"), + (msan, "MSAN_OPTIONS"), + (ubsan, "UBSAN_OPTIONS"), + (tsan, "TSAN_OPTIONS"), + ): + options= os.environ.get(env_var) + if sanitizer and options is not None: + print(f"== {env_var}={options!r}") + + print(flush=True) + + +def cleanup_temp_dir(tmp_dir: StrPath) -> None: + import glob + + path = os.path.join(glob.escape(tmp_dir), TMP_PREFIX + '*') + print("Cleanup %s directory" % tmp_dir) + for name in glob.glob(path): + if os.path.isdir(name): + print("Remove directory: %s" % name) + os_helper.rmtree(name) + else: + print("Remove file: %s" % name) + os_helper.unlink(name) + +WINDOWS_STATUS = { + 0xC0000005: "STATUS_ACCESS_VIOLATION", + 0xC00000FD: "STATUS_STACK_OVERFLOW", + 0xC000013A: "STATUS_CONTROL_C_EXIT", +} + +def get_signal_name(exitcode): + if exitcode < 0: + signum = -exitcode + try: + return signal.Signals(signum).name + except ValueError: + pass + + # Shell exit code (ex: WASI build) + if 128 < exitcode < 256: + signum = exitcode - 128 + try: + return signal.Signals(signum).name + except ValueError: + pass + + try: + return WINDOWS_STATUS[exitcode] + except KeyError: + pass + + return None + + +ILLEGAL_XML_CHARS_RE = re.compile( + '[' + # Control characters; newline (\x0A and \x0D) and TAB (\x09) are legal + '\x00-\x08\x0B\x0C\x0E-\x1F' + # Surrogate characters + '\uD800-\uDFFF' + # Special Unicode characters + '\uFFFE' + '\uFFFF' + # Match multiple sequential invalid characters for better efficiency + ']+') + +def _sanitize_xml_replace(regs): + text = regs[0] + return ''.join(f'\\x{ord(ch):02x}' if ch <= '\xff' else ascii(ch)[1:-1] + for ch in text) + +def sanitize_xml(text: str) -> str: + return ILLEGAL_XML_CHARS_RE.sub(_sanitize_xml_replace, text) diff --git a/Lib/test/regrtestdata/import_from_tests/test_regrtest_a.py b/Lib/test/regrtestdata/import_from_tests/test_regrtest_a.py new file mode 100644 index 00000000000..9c3d0c7cf4b --- /dev/null +++ b/Lib/test/regrtestdata/import_from_tests/test_regrtest_a.py @@ -0,0 +1,11 @@ +import sys +import unittest +import test_regrtest_b.util + +class Test(unittest.TestCase): + def test(self): + test_regrtest_b.util # does not fail + self.assertIn('test_regrtest_a', sys.modules) + self.assertIs(sys.modules['test_regrtest_b'], test_regrtest_b) + self.assertIs(sys.modules['test_regrtest_b.util'], test_regrtest_b.util) + self.assertNotIn('test_regrtest_c', sys.modules) diff --git a/Lib/test/regrtestdata/import_from_tests/test_regrtest_b/__init__.py b/Lib/test/regrtestdata/import_from_tests/test_regrtest_b/__init__.py new file mode 100644 index 00000000000..3dfba253455 --- /dev/null +++ b/Lib/test/regrtestdata/import_from_tests/test_regrtest_b/__init__.py @@ -0,0 +1,9 @@ +import sys +import unittest + +class Test(unittest.TestCase): + def test(self): + self.assertNotIn('test_regrtest_a', sys.modules) + self.assertIn('test_regrtest_b', sys.modules) + self.assertNotIn('test_regrtest_b.util', sys.modules) + self.assertNotIn('test_regrtest_c', sys.modules) diff --git a/Lib/test/regrtestdata/import_from_tests/test_regrtest_b/util.py b/Lib/test/regrtestdata/import_from_tests/test_regrtest_b/util.py new file mode 100644 index 00000000000..e69de29bb2d diff --git a/Lib/test/regrtestdata/import_from_tests/test_regrtest_c.py b/Lib/test/regrtestdata/import_from_tests/test_regrtest_c.py new file mode 100644 index 00000000000..de80769118d --- /dev/null +++ b/Lib/test/regrtestdata/import_from_tests/test_regrtest_c.py @@ -0,0 +1,11 @@ +import sys +import unittest +import test_regrtest_b.util + +class Test(unittest.TestCase): + def test(self): + test_regrtest_b.util # does not fail + self.assertNotIn('test_regrtest_a', sys.modules) + self.assertIs(sys.modules['test_regrtest_b'], test_regrtest_b) + self.assertIs(sys.modules['test_regrtest_b.util'], test_regrtest_b.util) + self.assertIn('test_regrtest_c', sys.modules) diff --git a/Lib/test/support/__init__.py b/Lib/test/support/__init__.py index 1efe5bddb1f..2005ccced06 100644 --- a/Lib/test/support/__init__.py +++ b/Lib/test/support/__init__.py @@ -6,8 +6,6 @@ import contextlib import dataclasses import functools -import getpass -import opcode import os import re import stat @@ -19,8 +17,6 @@ import unittest import warnings -from .testresult import get_test_runner - __all__ = [ # globals @@ -29,12 +25,11 @@ "Error", "TestFailed", "TestDidNotRun", "ResourceDenied", # io "record_original_stdout", "get_original_stdout", "captured_stdout", - "captured_stdin", "captured_stderr", + "captured_stdin", "captured_stderr", "captured_output", # unittest "is_resource_enabled", "requires", "requires_freebsd_version", - "requires_linux_version", "requires_mac_ver", + "requires_gil_enabled", "requires_linux_version", "requires_mac_ver", "check_syntax_error", - "run_unittest", "run_doctest", "requires_gzip", "requires_bz2", "requires_lzma", "bigmemtest", "bigaddrspacetest", "cpython_only", "get_attribute", "requires_IEEE_754", "requires_zlib", @@ -46,8 +41,8 @@ "check_disallow_instantiation", "check_sanitizer", "skip_if_sanitizer", "requires_limited_api", "requires_specialization", # sys - "is_jython", "is_android", "is_emscripten", "is_wasi", - "check_impl_detail", "unix_shell", "setswitchinterval", + "MS_WINDOWS", "is_jython", "is_android", "is_emscripten", "is_wasi", + "is_apple_mobile", "check_impl_detail", "unix_shell", "setswitchinterval", # os "get_pagesize", # network @@ -60,8 +55,13 @@ "run_with_tz", "PGO", "missing_compiler_executable", "ALWAYS_EQ", "NEVER_EQ", "LARGEST", "SMALLEST", "LOOPBACK_TIMEOUT", "INTERNET_TIMEOUT", "SHORT_TIMEOUT", "LONG_TIMEOUT", - "Py_DEBUG", "EXCEEDS_RECURSION_LIMIT", "C_RECURSION_LIMIT", + "Py_DEBUG", "exceeds_recursion_limit", "get_c_recursion_limit", "skip_on_s390x", + "without_optimizer", + "force_not_colorized", + "force_not_colorized_test_class", + "make_clean_env", + "BrokenIter", ] @@ -74,13 +74,7 @@ # # The timeout should be long enough for connect(), recv() and send() methods # of socket.socket. -LOOPBACK_TIMEOUT = 5.0 -if sys.platform == 'win32' and ' 32 bit (ARM)' in sys.version: - # bpo-37553: test_socket.SendfileUsingSendTest is taking longer than 2 - # seconds on Windows ARM32 buildbot - LOOPBACK_TIMEOUT = 10 -elif sys.platform == 'vxworks': - LOOPBACK_TIMEOUT = 10 +LOOPBACK_TIMEOUT = 10.0 # Timeout in seconds for network requests going to the internet. The timeout is # short enough to prevent a test to wait for too long if the internet request @@ -259,22 +253,16 @@ class USEROBJECTFLAGS(ctypes.Structure): # process not running under the same user id as the current console # user. To avoid that, raise an exception if the window manager # connection is not available. - from ctypes import cdll, c_int, pointer, Structure - from ctypes.util import find_library - - app_services = cdll.LoadLibrary(find_library("ApplicationServices")) - - if app_services.CGMainDisplayID() == 0: - reason = "gui tests cannot run without OS X window manager" + import subprocess + try: + rc = subprocess.run(["launchctl", "managername"], + capture_output=True, check=True) + managername = rc.stdout.decode("utf-8").strip() + except subprocess.CalledProcessError: + reason = "unable to detect macOS launchd job manager" else: - class ProcessSerialNumber(Structure): - _fields_ = [("highLongOfPSN", c_int), - ("lowLongOfPSN", c_int)] - psn = ProcessSerialNumber() - psn_p = pointer(psn) - if ( (app_services.GetCurrentProcess(psn_p) < 0) or - (app_services.SetFrontProcess(psn_p) < 0) ): - reason = "cannot run without OS X gui process" + if managername != "Aqua": + reason = f"{managername=} -- can only run in a macOS GUI session" # check on every platform whether tkinter can actually do anything if not reason: @@ -391,11 +379,12 @@ def wrapper(*args, **kw): def skip_if_buildbot(reason=None): """Decorator raising SkipTest if running on a buildbot.""" + import getpass if not reason: reason = 'not suitable for buildbots' try: isbuildbot = getpass.getuser().lower() == 'buildbot' - except (KeyError, EnvironmentError) as err: + except (KeyError, OSError) as err: warnings.warn(f'getpass.getuser() failed {err}.', RuntimeWarning) isbuildbot = False return unittest.skipIf(isbuildbot, reason) @@ -409,35 +398,48 @@ def check_sanitizer(*, address=False, memory=False, ub=False, thread=False): cflags = sysconfig.get_config_var('CFLAGS') or '' config_args = sysconfig.get_config_var('CONFIG_ARGS') or '' memory_sanitizer = ( - '-fsanitize=memory' in cflags or - '--with-memory-sanitizer' in config_args + '-fsanitize=memory' in cflags or + '--with-memory-sanitizer' in config_args ) address_sanitizer = ( - '-fsanitize=address' in cflags or - '--with-address-sanitizer' in config_args + '-fsanitize=address' in cflags or + '--with-address-sanitizer' in config_args ) ub_sanitizer = ( - '-fsanitize=undefined' in cflags or - '--with-undefined-behavior-sanitizer' in config_args + '-fsanitize=undefined' in cflags or + '--with-undefined-behavior-sanitizer' in config_args ) thread_sanitizer = ( - '-fsanitize=thread' in cflags or - '--with-thread-sanitizer' in config_args + '-fsanitize=thread' in cflags or + '--with-thread-sanitizer' in config_args ) return ( - (memory and memory_sanitizer) or - (address and address_sanitizer) or - (ub and ub_sanitizer) or - (thread and thread_sanitizer) + (memory and memory_sanitizer) or + (address and address_sanitizer) or + (ub and ub_sanitizer) or + (thread and thread_sanitizer) ) + def skip_if_sanitizer(reason=None, *, address=False, memory=False, ub=False, thread=False): """Decorator raising SkipTest if running with a sanitizer active.""" if not reason: reason = 'not working with sanitizers active' - skip = check_sanitizer(address=address, memory=memory, ub=ub) + skip = check_sanitizer(address=address, memory=memory, ub=ub, thread=thread) return unittest.skipIf(skip, reason) +# gh-89363: True if fork() can hang if Python is built with Address Sanitizer +# (ASAN): libasan race condition, dead lock in pthread_create(). +HAVE_ASAN_FORK_BUG = check_sanitizer(address=True) + + +def set_sanitizer_env_var(env, option): + for name in ('ASAN_OPTIONS', 'MSAN_OPTIONS', 'UBSAN_OPTIONS', 'TSAN_OPTIONS'): + if name in env: + env[name] += f':{option}' + else: + env[name] = option + def system_must_validate_cert(f): """Skip the test on TLS certificate validation failures.""" @@ -510,21 +512,42 @@ def has_no_debug_ranges(): def requires_debug_ranges(reason='requires co_positions / debug_ranges'): return unittest.skipIf(has_no_debug_ranges(), reason) -def requires_legacy_unicode_capi(): +@contextlib.contextmanager +def suppress_immortalization(suppress=True): + """Suppress immortalization of deferred objects.""" try: - from _testcapi import unicode_legacy_string + import _testinternalcapi except ImportError: - unicode_legacy_string = None + yield + return - return unittest.skipUnless(unicode_legacy_string, - 'requires legacy Unicode C API') + if not suppress: + yield + return + + _testinternalcapi.suppress_immortalization(True) + try: + yield + finally: + _testinternalcapi.suppress_immortalization(False) + +def skip_if_suppress_immortalization(): + try: + import _testinternalcapi + except ImportError: + return + return unittest.skipUnless(_testinternalcapi.get_immortalize_deferred(), + "requires immortalization of deferred objects") + + +MS_WINDOWS = (sys.platform == 'win32') # Is not actually used in tests, but is kept for compatibility. is_jython = sys.platform.startswith('java') -is_android = hasattr(sys, 'getandroidapilevel') +is_android = sys.platform == "android" -if sys.platform not in ('win32', 'vxworks'): +if sys.platform not in {"win32", "vxworks", "ios", "tvos", "watchos"}: unix_shell = '/system/bin/sh' if is_android else '/bin/sh' else: unix_shell = None @@ -534,23 +557,44 @@ def requires_legacy_unicode_capi(): is_emscripten = sys.platform == "emscripten" is_wasi = sys.platform == "wasi" -has_fork_support = hasattr(os, "fork") and not is_emscripten and not is_wasi +is_apple_mobile = sys.platform in {"ios", "tvos", "watchos"} +is_apple = is_apple_mobile or sys.platform == "darwin" -# From python 3.12.6 -is_s390x = hasattr(os, 'uname') and os.uname().machine == 's390x' -skip_on_s390x = unittest.skipIf(is_s390x, 'skipped on s390x') +has_fork_support = hasattr(os, "fork") and not ( + # WASM and Apple mobile platforms do not support subprocesses. + is_emscripten + or is_wasi + or is_apple_mobile + + # Although Android supports fork, it's unsafe to call it from Python because + # all Android apps are multi-threaded. + or is_android +) def requires_fork(): return unittest.skipUnless(has_fork_support, "requires working os.fork()") -has_subprocess_support = not is_emscripten and not is_wasi +has_subprocess_support = not ( + # WASM and Apple mobile platforms do not support subprocesses. + is_emscripten + or is_wasi + or is_apple_mobile + + # Although Android supports subproceses, they're almost never useful in + # practice (see PEP 738). And most of the tests that use them are calling + # sys.executable, which won't work when Python is embedded in an Android app. + or is_android +) def requires_subprocess(): """Used for subprocess, os.spawn calls, fd inheritance""" return unittest.skipUnless(has_subprocess_support, "requires subprocess support") # Emscripten's socket emulation and WASI sockets have limitations. -has_socket_support = not is_emscripten and not is_wasi +has_socket_support = not ( + is_emscripten + or is_wasi +) def requires_working_socket(*, module=False): """Skip tests or modules that require working sockets @@ -762,27 +806,31 @@ def gc_collect(): longer than expected. This function tries its best to force all garbage objects to disappear. """ - # TODO: RUSTPYTHON (comment out before) - # import gc - # gc.collect() - # if is_jython: - # time.sleep(0.1) - # gc.collect() - # gc.collect() - pass + import gc + gc.collect() + gc.collect() + gc.collect() @contextlib.contextmanager def disable_gc(): - # TODO: RUSTPYTHON (comment out before) - # import gc - # have_gc = gc.isenabled() - # gc.disable() - # try: - # yield - # finally: - # if have_gc: - # gc.enable() - yield + import gc + have_gc = gc.isenabled() + gc.disable() + try: + yield + finally: + if have_gc: + gc.enable() + +@contextlib.contextmanager +def gc_threshold(*args): + import gc + old_threshold = gc.get_threshold() + gc.set_threshold(*args) + try: + yield + finally: + gc.set_threshold(*old_threshold) def python_is_optimized(): @@ -795,11 +843,50 @@ def python_is_optimized(): return final_opt not in ('', '-O0', '-Og') -_header = 'nP' +def check_cflags_pgo(): + # Check if Python was built with ./configure --enable-optimizations: + # with Profile Guided Optimization (PGO). + cflags_nodist = sysconfig.get_config_var('PY_CFLAGS_NODIST') or '' + pgo_options = [ + # GCC + '-fprofile-use', + # clang: -fprofile-instr-use=code.profclangd + '-fprofile-instr-use', + # ICC + "-prof-use", + ] + PGO_PROF_USE_FLAG = sysconfig.get_config_var('PGO_PROF_USE_FLAG') + if PGO_PROF_USE_FLAG: + pgo_options.append(PGO_PROF_USE_FLAG) + return any(option in cflags_nodist for option in pgo_options) + + +def check_bolt_optimized(): + # Always return false, if the platform is WASI, + # because BOLT optimization does not support WASM binary. + if is_wasi: + return False + config_args = sysconfig.get_config_var('CONFIG_ARGS') or '' + return '--enable-bolt' in config_args + + +Py_GIL_DISABLED = bool(sysconfig.get_config_var('Py_GIL_DISABLED')) + +def requires_gil_enabled(msg="needs the GIL enabled"): + """Decorator for skipping tests on the free-threaded build.""" + return unittest.skipIf(Py_GIL_DISABLED, msg) + +def expected_failure_if_gil_disabled(): + """Expect test failure if the GIL is disabled.""" + if Py_GIL_DISABLED: + return unittest.expectedFailure + return lambda test_case: test_case + +if Py_GIL_DISABLED: + _header = 'PHBBInP' +else: + _header = 'nP' _align = '0n' -if hasattr(sys, "getobjects"): - _header = '2P' + _header - _align = '0P' _vheader = _header + 'n' def calcobjsize(fmt): @@ -829,8 +916,8 @@ def check_sizeof(test, o, size): test.assertEqual(result, size, msg) #======================================================================= -# Decorator for running a function in a different locale, correctly resetting -# it afterwards. +# Decorator/context manager for running a code in a different locale, +# correctly resetting it afterwards. @contextlib.contextmanager def run_with_locale(catstr, *locales): @@ -841,16 +928,21 @@ def run_with_locale(catstr, *locales): except AttributeError: # if the test author gives us an invalid category string raise - except: + except Exception: # cannot retrieve original locale, so do nothing locale = orig_locale = None + if '' not in locales: + raise unittest.SkipTest('no locales') else: for loc in locales: try: locale.setlocale(category, loc) break - except: + except locale.Error: pass + else: + if '' not in locales: + raise unittest.SkipTest(f'no locales {locales}') try: yield @@ -858,6 +950,46 @@ def run_with_locale(catstr, *locales): if locale and orig_locale: locale.setlocale(category, orig_locale) +#======================================================================= +# Decorator for running a function in multiple locales (if they are +# availasble) and resetting the original locale afterwards. + +def run_with_locales(catstr, *locales): + def deco(func): + @functools.wraps(func) + def wrapper(self, /, *args, **kwargs): + dry_run = '' in locales + try: + import locale + category = getattr(locale, catstr) + orig_locale = locale.setlocale(category) + except AttributeError: + # if the test author gives us an invalid category string + raise + except Exception: + # cannot retrieve original locale, so do nothing + pass + else: + try: + for loc in locales: + with self.subTest(locale=loc): + try: + locale.setlocale(category, loc) + except locale.Error: + self.skipTest(f'no locale {loc!r}') + else: + dry_run = False + func(self, *args, **kwargs) + finally: + locale.setlocale(category, orig_locale) + if dry_run: + # no locales available, so just run the test + # with the current locale + with self.subTest(locale=None): + func(self, *args, **kwargs) + return wrapper + return deco + #======================================================================= # Decorator for running a function in a specific timezone, correctly # resetting it afterwards. @@ -904,27 +1036,31 @@ def inner(*args, **kwds): MAX_Py_ssize_t = sys.maxsize -def set_memlimit(limit): - global max_memuse - global real_max_memuse +def _parse_memlimit(limit: str) -> int: sizes = { 'k': 1024, 'm': _1M, 'g': _1G, 't': 1024*_1G, } - m = re.match(r'(\d+(\.\d+)?) (K|M|G|T)b?$', limit, + m = re.match(r'(\d+(?:\.\d+)?) (K|M|G|T)b?$', limit, re.IGNORECASE | re.VERBOSE) if m is None: - raise ValueError('Invalid memory limit %r' % (limit,)) - memlimit = int(float(m.group(1)) * sizes[m.group(3).lower()]) - real_max_memuse = memlimit - if memlimit > MAX_Py_ssize_t: - memlimit = MAX_Py_ssize_t + raise ValueError(f'Invalid memory limit: {limit!r}') + return int(float(m.group(1)) * sizes[m.group(2).lower()]) + +def set_memlimit(limit: str) -> None: + global max_memuse + global real_max_memuse + memlimit = _parse_memlimit(limit) if memlimit < _2G - 1: - raise ValueError('Memory limit %r too low to be useful' % (limit,)) + raise ValueError('Memory limit {limit!r} too low to be useful') + + real_max_memuse = memlimit + memlimit = min(memlimit, MAX_Py_ssize_t) max_memuse = memlimit + class _MemoryWatchdog: """An object which periodically watches the process' memory consumption and prints it out. @@ -1077,18 +1213,30 @@ def check_impl_detail(**guards): def no_tracing(func): """Decorator to temporarily turn off tracing for the duration of a test.""" - if not hasattr(sys, 'gettrace'): - return func - else: + trace_wrapper = func + if hasattr(sys, 'gettrace'): @functools.wraps(func) - def wrapper(*args, **kwargs): + def trace_wrapper(*args, **kwargs): original_trace = sys.gettrace() try: sys.settrace(None) return func(*args, **kwargs) finally: sys.settrace(original_trace) - return wrapper + + coverage_wrapper = trace_wrapper + if 'test.cov' in sys.modules: # -Xpresite=test.cov used + cov = sys.monitoring.COVERAGE_ID + @functools.wraps(func) + def coverage_wrapper(*args, **kwargs): + original_events = sys.monitoring.get_events(cov) + try: + sys.monitoring.set_events(cov, 0) + return trace_wrapper(*args, **kwargs) + finally: + sys.monitoring.set_events(cov, original_events) + + return coverage_wrapper def refcount_test(test): @@ -1105,184 +1253,20 @@ def refcount_test(test): def requires_limited_api(test): try: import _testcapi + import _testlimitedcapi except ImportError: - return unittest.skip('needs _testcapi module')(test) - return unittest.skipUnless( - _testcapi.LIMITED_API_AVAILABLE, 'needs Limited API support')(test) - -def requires_specialization(test): - return unittest.skipUnless( - opcode.ENABLE_SPECIALIZATION, "requires specialization")(test) - -def _filter_suite(suite, pred): - """Recursively filter test cases in a suite based on a predicate.""" - newtests = [] - for test in suite._tests: - if isinstance(test, unittest.TestSuite): - _filter_suite(test, pred) - newtests.append(test) - else: - if pred(test): - newtests.append(test) - suite._tests = newtests - -@dataclasses.dataclass(slots=True) -class TestStats: - tests_run: int = 0 - failures: int = 0 - skipped: int = 0 - - @staticmethod - def from_unittest(result): - return TestStats(result.testsRun, - len(result.failures), - len(result.skipped)) - - @staticmethod - def from_doctest(results): - return TestStats(results.attempted, - results.failed) - - def accumulate(self, stats): - self.tests_run += stats.tests_run - self.failures += stats.failures - self.skipped += stats.skipped - - -def _run_suite(suite): - """Run tests from a unittest.TestSuite-derived class.""" - runner = get_test_runner(sys.stdout, - verbosity=verbose, - capture_output=(junit_xml_list is not None)) - - result = runner.run(suite) - - if junit_xml_list is not None: - junit_xml_list.append(result.get_xml_element()) - - if not result.testsRun and not result.skipped and not result.errors: - raise TestDidNotRun - if not result.wasSuccessful(): - stats = TestStats.from_unittest(result) - if len(result.errors) == 1 and not result.failures: - err = result.errors[0][1] - elif len(result.failures) == 1 and not result.errors: - err = result.failures[0][1] - else: - err = "multiple errors occurred" - if not verbose: err += "; run in verbose mode for details" - errors = [(str(tc), exc_str) for tc, exc_str in result.errors] - failures = [(str(tc), exc_str) for tc, exc_str in result.failures] - raise TestFailedWithDetails(err, errors, failures, stats=stats) - return result + return unittest.skip('needs _testcapi and _testlimitedcapi modules')(test) + return test -# By default, don't filter tests -_match_test_func = None - -_accept_test_patterns = None -_ignore_test_patterns = None - - -def match_test(test): - # Function used by support.run_unittest() and regrtest --list-cases - if _match_test_func is None: - return True - else: - return _match_test_func(test.id()) - - -def _is_full_match_test(pattern): - # If a pattern contains at least one dot, it's considered - # as a full test identifier. - # Example: 'test.test_os.FileTests.test_access'. - # - # ignore patterns which contain fnmatch patterns: '*', '?', '[...]' - # or '[!...]'. For example, ignore 'test_access*'. - return ('.' in pattern) and (not re.search(r'[?*\[\]]', pattern)) - - -def set_match_tests(accept_patterns=None, ignore_patterns=None): - global _match_test_func, _accept_test_patterns, _ignore_test_patterns - - if accept_patterns is None: - accept_patterns = () - if ignore_patterns is None: - ignore_patterns = () - - accept_func = ignore_func = None - - if accept_patterns != _accept_test_patterns: - accept_patterns, accept_func = _compile_match_function(accept_patterns) - if ignore_patterns != _ignore_test_patterns: - ignore_patterns, ignore_func = _compile_match_function(ignore_patterns) - - # Create a copy since patterns can be mutable and so modified later - _accept_test_patterns = tuple(accept_patterns) - _ignore_test_patterns = tuple(ignore_patterns) - - if accept_func is not None or ignore_func is not None: - def match_function(test_id): - accept = True - ignore = False - if accept_func: - accept = accept_func(test_id) - if ignore_func: - ignore = ignore_func(test_id) - return accept and not ignore - - _match_test_func = match_function - - -def _compile_match_function(patterns): - if not patterns: - func = None - # set_match_tests(None) behaves as set_match_tests(()) - patterns = () - elif all(map(_is_full_match_test, patterns)): - # Simple case: all patterns are full test identifier. - # The test.bisect_cmd utility only uses such full test identifiers. - func = set(patterns).__contains__ - else: - import fnmatch - regex = '|'.join(map(fnmatch.translate, patterns)) - # The search *is* case sensitive on purpose: - # don't use flags=re.IGNORECASE - regex_match = re.compile(regex).match - - def match_test_regex(test_id): - if regex_match(test_id): - # The regex matches the whole identifier, for example - # 'test.test_os.FileTests.test_access'. - return True - else: - # Try to match parts of the test identifier. - # For example, split 'test.test_os.FileTests.test_access' - # into: 'test', 'test_os', 'FileTests' and 'test_access'. - return any(map(regex_match, test_id.split("."))) - - func = match_test_regex - - return patterns, func +# Windows build doesn't support --disable-test-modules feature, so there's no +# 'TEST_MODULES' var in config +TEST_MODULES_ENABLED = (sysconfig.get_config_var('TEST_MODULES') or 'yes') == 'yes' +def requires_specialization(test): + return unittest.skipUnless( + _opcode.ENABLE_SPECIALIZATION, "requires specialization")(test) -def run_unittest(*classes): - """Run tests from unittest.TestCase-derived classes.""" - valid_types = (unittest.TestSuite, unittest.TestCase) - loader = unittest.TestLoader() - suite = unittest.TestSuite() - for cls in classes: - if isinstance(cls, str): - if cls in sys.modules: - suite.addTest(loader.loadTestsFromModule(sys.modules[cls])) - else: - raise ValueError("str arguments must be keys in sys.modules") - elif isinstance(cls, valid_types): - suite.addTest(cls) - else: - suite.addTest(loader.loadTestsFromTestCase(cls)) - _filter_suite(suite, match_test) - return _run_suite(suite) #======================================================================= # Check for the presence of docstrings. @@ -1304,38 +1288,6 @@ def _check_docstrings(): "test requires docstrings") -#======================================================================= -# doctest driver. - -def run_doctest(module, verbosity=None, optionflags=0): - """Run doctest on the given module. Return (#failures, #tests). - - If optional argument verbosity is not specified (or is None), pass - support's belief about verbosity on to doctest. Else doctest's - usual behavior is used (it searches sys.argv for -v). - """ - - import doctest - - if verbosity is None: - verbosity = verbose - else: - verbosity = None - - results = doctest.testmod(module, - verbose=verbosity, - optionflags=optionflags) - if results.failed: - stats = TestStats.from_doctest(results) - raise TestFailed(f"{results.failed} of {results.attempted} " - f"doctests failed", - stats=stats) - if verbose: - print('doctest (%s) ... %d tests with zero failures' % - (module.__name__, results.attempted)) - return results - - #======================================================================= # Support for saving and restoring the imported modules. @@ -1858,7 +1810,10 @@ def run_in_subinterp(code): module is enabled. """ _check_tracemalloc() - import _testcapi + try: + import _testcapi + except ImportError: + raise unittest.SkipTest("requires _testcapi") return _testcapi.run_in_subinterp(code) @@ -1868,11 +1823,25 @@ def run_in_subinterp_with_config(code, *, own_gil=None, **config): module is enabled. """ _check_tracemalloc() - import _testcapi + try: + import _testinternalcapi + except ImportError: + raise unittest.SkipTest("requires _testinternalcapi") if own_gil is not None: assert 'gil' not in config, (own_gil, config) - config['gil'] = 2 if own_gil else 1 - return _testcapi.run_in_subinterp_with_config(code, **config) + config['gil'] = 'own' if own_gil else 'shared' + else: + gil = config['gil'] + if gil == 0: + config['gil'] = 'default' + elif gil == 1: + config['gil'] = 'shared' + elif gil == 2: + config['gil'] = 'own' + elif not isinstance(gil, str): + raise NotImplementedError(gil) + config = types.SimpleNamespace(**config) + return _testinternalcapi.run_in_subinterp_with_config(code, config) def _check_tracemalloc(): @@ -1889,24 +1858,26 @@ def _check_tracemalloc(): "memory allocations") -# TODO: RUSTPYTHON (comment out before) -# def check_free_after_iterating(test, iter, cls, args=()): -# class A(cls): -# def __del__(self): -# nonlocal done -# done = True -# try: -# next(it) -# except StopIteration: -# pass +def check_free_after_iterating(test, iter, cls, args=()): + done = False + def wrapper(): + class A(cls): + def __del__(self): + nonlocal done + done = True + try: + next(it) + except StopIteration: + pass -# done = False -# it = iter(A(*args)) -# # Issue 26494: Shouldn't crash -# test.assertRaises(StopIteration, next, it) -# # The sequence should be deallocated just after the end of iterating -# gc_collect() -# test.assertTrue(done) + it = iter(A(*args)) + # Issue 26494: Shouldn't crash + test.assertRaises(StopIteration, next, it) + + wrapper() + # The sequence should be deallocated just after the end of iterating + gc_collect() + test.assertTrue(done) def missing_compiler_executable(cmd_names=[]): @@ -1942,18 +1913,18 @@ def missing_compiler_executable(cmd_names=[]): return cmd[0] -_is_android_emulator = None +_old_android_emulator = None def setswitchinterval(interval): # Setting a very low gil interval on the Android emulator causes python # to hang (issue #26939). - minimum_interval = 1e-5 + minimum_interval = 1e-4 # 100 us if is_android and interval < minimum_interval: - global _is_android_emulator - if _is_android_emulator is None: - import subprocess - _is_android_emulator = (subprocess.check_output( - ['getprop', 'ro.kernel.qemu']).strip() == b'1') - if _is_android_emulator: + global _old_android_emulator + if _old_android_emulator is None: + import platform + av = platform.android_ver() + _old_android_emulator = av.is_emulator and av.api_level < 24 + if _old_android_emulator: interval = minimum_interval return sys.setswitchinterval(interval) @@ -2028,8 +1999,19 @@ def restore(self): def with_pymalloc(): - import _testcapi - return _testcapi.WITH_PYMALLOC + try: + import _testcapi + except ImportError: + raise unittest.SkipTest("requires _testcapi") + return _testcapi.WITH_PYMALLOC and not Py_GIL_DISABLED + + +def with_mimalloc(): + try: + import _testcapi + except ImportError: + raise unittest.SkipTest("requires _testcapi") + return _testcapi.WITH_MIMALLOC class _ALWAYS_EQ: @@ -2301,13 +2283,13 @@ def set_recursion_limit(limit): finally: sys.setrecursionlimit(original_limit) -def infinite_recursion(max_depth=100): - """Set a lower limit for tests that interact with infinite recursions - (e.g test_ast.ASTHelpers_Test.test_recursion_direct) since on some - debug windows builds, due to not enough functions being inlined the - stack size might not handle the default recursion limit (1000). See - bpo-11105 for details.""" - if max_depth < 3: +def infinite_recursion(max_depth=None): + if max_depth is None: + # Pick a number large enough to cause problems + # but not take too long for code that can handle + # very deep recursion. + max_depth = 20_000 + elif max_depth < 3: raise ValueError("max_depth must be at least 3, got {max_depth}") depth = get_recursion_depth() depth = max(depth - 1, 1) # Ignore infinite_recursion() frame. @@ -2368,7 +2350,9 @@ def _findwheel(pkgname): If set, the wheels are searched for in WHEEL_PKG_DIR (see ensurepip). Otherwise, they are searched for in the test directory. """ - wheel_dir = sysconfig.get_config_var('WHEEL_PKG_DIR') or TEST_HOME_DIR + wheel_dir = sysconfig.get_config_var('WHEEL_PKG_DIR') or os.path.join( + TEST_HOME_DIR, 'wheeldata', + ) filenames = os.listdir(wheel_dir) filenames = sorted(filenames, reverse=True) # approximate "newest" first for filename in filenames: @@ -2385,16 +2369,25 @@ def _findwheel(pkgname): # and returns the path to the venv directory and the path to the python executable @contextlib.contextmanager def setup_venv_with_pip_setuptools_wheel(venv_dir): + import shlex import subprocess from .os_helper import temp_cwd + def run_command(cmd): + if verbose: + print() + print('Run:', ' '.join(map(shlex.quote, cmd))) + subprocess.run(cmd, check=True) + else: + subprocess.run(cmd, + stdout=subprocess.PIPE, + stderr=subprocess.STDOUT, + check=True) + with temp_cwd() as temp_dir: # Create virtual environment to get setuptools cmd = [sys.executable, '-X', 'dev', '-m', 'venv', venv_dir] - if verbose: - print() - print('Run:', ' '.join(cmd)) - subprocess.run(cmd, check=True) + run_command(cmd) venv = os.path.join(temp_dir, venv_dir) @@ -2409,10 +2402,7 @@ def setup_venv_with_pip_setuptools_wheel(venv_dir): '-m', 'pip', 'install', _findwheel('setuptools'), _findwheel('wheel')] - if verbose: - print() - print('Run:', ' '.join(cmd)) - subprocess.run(cmd, check=True) + run_command(cmd) yield python @@ -2535,6 +2525,46 @@ def sleeping_retry(timeout, err_msg=None, /, delay = min(delay * 2, max_delay) +class CPUStopwatch: + """Context manager to roughly time a CPU-bound operation. + + Disables GC. Uses CPU time if it can (i.e. excludes sleeps & time of + other processes). + + N.B.: + - This *includes* time spent in other threads. + - Some systems only have a coarse resolution; check + stopwatch.clock_info.rseolution if. + + Usage: + + with ProcessStopwatch() as stopwatch: + ... + elapsed = stopwatch.seconds + resolution = stopwatch.clock_info.resolution + """ + def __enter__(self): + get_time = time.process_time + clock_info = time.get_clock_info('process_time') + if get_time() <= 0: # some platforms like WASM lack process_time() + get_time = time.monotonic + clock_info = time.get_clock_info('monotonic') + self.context = disable_gc() + self.context.__enter__() + self.get_time = get_time + self.clock_info = clock_info + self.start_time = get_time() + return self + + def __exit__(self, *exc): + try: + end_time = self.get_time() + finally: + result = self.context.__exit__(*exc) + self.seconds = end_time - self.start_time + return result + + @contextlib.contextmanager def adjust_int_max_str_digits(max_digits): """Temporarily change the integer string conversion length limit.""" @@ -2545,18 +2575,179 @@ def adjust_int_max_str_digits(max_digits): finally: sys.set_int_max_str_digits(current) -#For recursion tests, easily exceeds default recursion limit -EXCEEDS_RECURSION_LIMIT = 5000 -# The default C recursion limit (from Include/cpython/pystate.h). -C_RECURSION_LIMIT = 1500 +def get_c_recursion_limit(): + try: + import _testcapi + return _testcapi.Py_C_RECURSION_LIMIT + except ImportError: + raise unittest.SkipTest('requires _testcapi') + + +def exceeds_recursion_limit(): + """For recursion tests, easily exceeds default recursion limit.""" + return get_c_recursion_limit() * 3 + + +# Windows doesn't have os.uname() but it doesn't support s390x. +is_s390x = hasattr(os, 'uname') and os.uname().machine == 's390x' +skip_on_s390x = unittest.skipIf(is_s390x, 'skipped on s390x') + +Py_TRACE_REFS = hasattr(sys, 'getobjects') + +# Decorator to disable optimizer while a function run +def without_optimizer(func): + try: + from _testinternalcapi import get_optimizer, set_optimizer + except ImportError: + return func + @functools.wraps(func) + def wrapper(*args, **kwargs): + save_opt = get_optimizer() + try: + set_optimizer(None) + return func(*args, **kwargs) + finally: + set_optimizer(save_opt) + return wrapper + + +_BASE_COPY_SRC_DIR_IGNORED_NAMES = frozenset({ + # SRC_DIR/.git + '.git', + # ignore all __pycache__/ sub-directories + '__pycache__', +}) + +# Ignore function for shutil.copytree() to copy the Python source code. +def copy_python_src_ignore(path, names): + ignored = _BASE_COPY_SRC_DIR_IGNORED_NAMES + if os.path.basename(path) == 'Doc': + ignored |= { + # SRC_DIR/Doc/build/ + 'build', + # SRC_DIR/Doc/venv/ + 'venv', + } + + # check if we are at the root of the source code + elif 'Modules' in names: + ignored |= { + # SRC_DIR/build/ + 'build', + } + return ignored + + +def iter_builtin_types(): + for obj in __builtins__.values(): + if not isinstance(obj, type): + continue + cls = obj + if cls.__module__ != 'builtins': + continue + yield cls + + +def iter_slot_wrappers(cls): + assert cls.__module__ == 'builtins', cls + + def is_slot_wrapper(name, value): + if not isinstance(value, types.WrapperDescriptorType): + assert not repr(value).startswith(' dict[str, str]: + clean_env = os.environ.copy() + for k in clean_env.copy(): + if k.startswith("PYTHON"): + clean_env.pop(k) + clean_env.pop("FORCE_COLOR", None) + clean_env.pop("NO_COLOR", None) + return clean_env + + +def initialized_with_pyrepl(): + """Detect whether PyREPL was used during Python initialization.""" + # If the main module has a __file__ attribute it's a Python module, which means PyREPL. + return hasattr(sys.modules["__main__"], "__file__") -#Windows doesn't have os.uname() but it doesn't support s390x. -skip_on_s390x = unittest.skipIf(hasattr(os, 'uname') and os.uname().machine == 's390x', - 'skipped on s390x') -HAVE_ASAN_FORK_BUG = check_sanitizer(address=True) -# From python 3.12.8 class BrokenIter: def __init__(self, init_raises=False, next_raises=False, iter_raises=False): if init_raises: diff --git a/Lib/test/support/bytecode_helper.py b/Lib/test/support/bytecode_helper.py index 388d1266773..85bcd1f0f1c 100644 --- a/Lib/test/support/bytecode_helper.py +++ b/Lib/test/support/bytecode_helper.py @@ -3,10 +3,26 @@ import unittest import dis import io -from _testinternalcapi import compiler_codegen, optimize_cfg, assemble_code_object +import opcode +try: + import _testinternalcapi +except ImportError: + _testinternalcapi = None _UNSPECIFIED = object() +def instructions_with_positions(instrs, co_positions): + # Return (instr, positions) pairs from the instrs list and co_positions + # iterator. The latter contains items for cache lines and the former + # doesn't, so those need to be skipped. + + co_positions = co_positions or iter(()) + for instr in instrs: + yield instr, next(co_positions, ()) + for _, size, _ in (instr.cache_info or ()): + for i in range(size): + next(co_positions, ()) + class BytecodeTestCase(unittest.TestCase): """Custom assertion methods for inspecting bytecode.""" @@ -53,16 +69,14 @@ class CompilationStepTestCase(unittest.TestCase): class Label: pass - def assertInstructionsMatch(self, actual_, expected_): - # get two lists where each entry is a label or - # an instruction tuple. Normalize the labels to the - # instruction count of the target, and compare the lists. - - self.assertIsInstance(actual_, list) - self.assertIsInstance(expected_, list) + def assertInstructionsMatch(self, actual_seq, expected): + # get an InstructionSequence and an expected list, where each + # entry is a label or an instruction tuple. Construct an expcted + # instruction sequence and compare with the one given. - actual = self.normalize_insts(actual_) - expected = self.normalize_insts(expected_) + self.assertIsInstance(expected, list) + actual = actual_seq.get_instructions() + expected = self.seq_from_insts(expected).get_instructions() self.assertEqual(len(actual), len(expected)) # compare instructions @@ -72,10 +86,8 @@ def assertInstructionsMatch(self, actual_, expected_): continue self.assertIsInstance(exp, tuple) self.assertIsInstance(act, tuple) - # crop comparison to the provided expected values - if len(act) > len(exp): - act = act[:len(exp)] - self.assertEqual(exp, act) + idx = max([p[0] for p in enumerate(exp) if p[1] != -1]) + self.assertEqual(exp[:idx], act[:idx]) def resolveAndRemoveLabels(self, insts): idx = 0 @@ -90,54 +102,57 @@ def resolveAndRemoveLabels(self, insts): return res - def normalize_insts(self, insts): - """ Map labels to instruction index. - Map opcodes to opnames. - """ - insts = self.resolveAndRemoveLabels(insts) - res = [] - for item in insts: - assert isinstance(item, tuple) - opcode, oparg, *loc = item - opcode = dis.opmap.get(opcode, opcode) - if isinstance(oparg, self.Label): - arg = oparg.value - else: - arg = oparg if opcode in self.HAS_ARG else None - opcode = dis.opname[opcode] - res.append((opcode, arg, *loc)) - return res + def seq_from_insts(self, insts): + labels = {item for item in insts if isinstance(item, self.Label)} + for i, lbl in enumerate(labels): + lbl.value = i - def complete_insts_info(self, insts): - # fill in omitted fields in location, and oparg 0 for ops with no arg. - res = [] + seq = _testinternalcapi.new_instruction_sequence() for item in insts: - assert isinstance(item, tuple) - inst = list(item) - opcode = dis.opmap[inst[0]] - oparg = inst[1] - loc = inst[2:] + [-1] * (6 - len(inst)) - res.append((opcode, oparg, *loc)) - return res + if isinstance(item, self.Label): + seq.use_label(item.value) + else: + op = item[0] + if isinstance(op, str): + op = opcode.opmap[op] + arg, *loc = item[1:] + if isinstance(arg, self.Label): + arg = arg.value + loc = loc + [-1] * (4 - len(loc)) + seq.addop(op, arg or 0, *loc) + return seq + + def check_instructions(self, insts): + for inst in insts: + if isinstance(inst, self.Label): + continue + op, arg, *loc = inst + if isinstance(op, str): + op = opcode.opmap[op] + self.assertEqual(op in opcode.hasarg, + arg is not None, + f"{opcode.opname[op]=} {arg=}") + self.assertTrue(all(isinstance(l, int) for l in loc)) +@unittest.skipIf(_testinternalcapi is None, "requires _testinternalcapi") class CodegenTestCase(CompilationStepTestCase): def generate_code(self, ast): - insts, _ = compiler_codegen(ast, "my_file.py", 0) + insts, _ = _testinternalcapi.compiler_codegen(ast, "my_file.py", 0) return insts +@unittest.skipIf(_testinternalcapi is None, "requires _testinternalcapi") class CfgOptimizationTestCase(CompilationStepTestCase): - def get_optimized(self, insts, consts, nlocals=0): - insts = self.normalize_insts(insts) - insts = self.complete_insts_info(insts) - insts = optimize_cfg(insts, consts, nlocals) + def get_optimized(self, seq, consts, nlocals=0): + insts = _testinternalcapi.optimize_cfg(seq, consts, nlocals) return insts, consts +@unittest.skipIf(_testinternalcapi is None, "requires _testinternalcapi") class AssemblerTestCase(CompilationStepTestCase): def get_code_object(self, filename, insts, metadata): - co = assemble_code_object(filename, insts, metadata) + co = _testinternalcapi.assemble_code_object(filename, insts, metadata) return co diff --git a/Lib/test/support/hypothesis_helper.py b/Lib/test/support/hypothesis_helper.py index 40f58a2f59c..db93eea5e91 100644 --- a/Lib/test/support/hypothesis_helper.py +++ b/Lib/test/support/hypothesis_helper.py @@ -5,13 +5,6 @@ except ImportError: from . import _hypothesis_stubs as hypothesis else: - # Regrtest changes to use a tempdir as the working directory, so we have - # to tell Hypothesis to use the original in order to persist the database. - from .os_helper import SAVEDCWD - from hypothesis.configuration import set_hypothesis_home_dir - - set_hypothesis_home_dir(os.path.join(SAVEDCWD, ".hypothesis")) - # When using the real Hypothesis, we'll configure it to ignore occasional # slow tests (avoiding flakiness from random VM slowness in CI). hypothesis.settings.register_profile( diff --git a/Lib/test/support/i18n_helper.py b/Lib/test/support/i18n_helper.py new file mode 100644 index 00000000000..2e304f29e8b --- /dev/null +++ b/Lib/test/support/i18n_helper.py @@ -0,0 +1,63 @@ +import re +import subprocess +import sys +import unittest +from pathlib import Path +from test.support import REPO_ROOT, TEST_HOME_DIR, requires_subprocess +from test.test_tools import skip_if_missing + + +pygettext = Path(REPO_ROOT) / 'Tools' / 'i18n' / 'pygettext.py' + +msgid_pattern = re.compile(r'msgid(.*?)(?:msgid_plural|msgctxt|msgstr)', + re.DOTALL) +msgid_string_pattern = re.compile(r'"((?:\\"|[^"])*)"') + + +def _generate_po_file(path, *, stdout_only=True): + res = subprocess.run([sys.executable, pygettext, + '--no-location', '-o', '-', path], + stdout=subprocess.PIPE, stderr=subprocess.PIPE, + text=True) + if stdout_only: + return res.stdout + return res + + +def _extract_msgids(po): + msgids = [] + for msgid in msgid_pattern.findall(po): + msgid_string = ''.join(msgid_string_pattern.findall(msgid)) + msgid_string = msgid_string.replace(r'\"', '"') + if msgid_string: + msgids.append(msgid_string) + return sorted(msgids) + + +def _get_snapshot_path(module_name): + return Path(TEST_HOME_DIR) / 'translationdata' / module_name / 'msgids.txt' + + +@requires_subprocess() +class TestTranslationsBase(unittest.TestCase): + + def assertMsgidsEqual(self, module): + '''Assert that msgids extracted from a given module match a + snapshot. + + ''' + skip_if_missing('i18n') + res = _generate_po_file(module.__file__, stdout_only=False) + self.assertEqual(res.returncode, 0) + self.assertEqual(res.stderr, '') + msgids = _extract_msgids(res.stdout) + snapshot_path = _get_snapshot_path(module.__name__) + snapshot = snapshot_path.read_text().splitlines() + self.assertListEqual(msgids, snapshot) + + +def update_translation_snapshots(module): + contents = _generate_po_file(module.__file__) + msgids = _extract_msgids(contents) + snapshot_path = _get_snapshot_path(module.__name__) + snapshot_path.write_text('\n'.join(msgids)) diff --git a/Lib/test/support/import_helper.py b/Lib/test/support/import_helper.py index 67f18e530ed..2b91bdcf9cd 100644 --- a/Lib/test/support/import_helper.py +++ b/Lib/test/support/import_helper.py @@ -8,7 +8,7 @@ import unittest import warnings -from .os_helper import unlink +from .os_helper import unlink, temp_dir @contextlib.contextmanager @@ -58,8 +58,8 @@ def make_legacy_pyc(source): :return: The file system path to the legacy pyc file. """ pyc_file = importlib.util.cache_from_source(source) - up_one = os.path.dirname(os.path.abspath(source)) - legacy_pyc = os.path.join(up_one, source + 'c') + assert source.endswith('.py') + legacy_pyc = source + 'c' shutil.move(pyc_file, legacy_pyc) return legacy_pyc @@ -114,7 +114,7 @@ def multi_interp_extensions_check(enabled=True): This only applies to modules that haven't been imported yet. It overrides the PyInterpreterConfig.check_multi_interp_extensions setting (see support.run_in_subinterp_with_config() and - _xxsubinterpreters.create()). + _interpreters.create()). Also see importlib.utils.allowing_all_extensions(). """ @@ -268,9 +268,44 @@ def modules_cleanup(oldmodules): sys.modules.update(oldmodules) +@contextlib.contextmanager +def isolated_modules(): + """ + Save modules on entry and cleanup on exit. + """ + (saved,) = modules_setup() + try: + yield + finally: + modules_cleanup(saved) + + def mock_register_at_fork(func): # bpo-30599: Mock os.register_at_fork() when importing the random module, # since this function doesn't allow to unregister callbacks and would leak # memory. from unittest import mock return mock.patch('os.register_at_fork', create=True)(func) + + +@contextlib.contextmanager +def ready_to_import(name=None, source=""): + from test.support import script_helper + + # 1. Sets up a temporary directory and removes it afterwards + # 2. Creates the module file + # 3. Temporarily clears the module from sys.modules (if any) + # 4. Reverts or removes the module when cleaning up + name = name or "spam" + with temp_dir() as tempdir: + path = script_helper.make_script(tempdir, name, source) + old_module = sys.modules.pop(name, None) + try: + sys.path.insert(0, tempdir) + yield name, path + sys.path.remove(tempdir) + finally: + if old_module is not None: + sys.modules[name] = old_module + else: + sys.modules.pop(name, None) diff --git a/Lib/test/support/interpreters/__init__.py b/Lib/test/support/interpreters/__init__.py new file mode 100644 index 00000000000..e067f259364 --- /dev/null +++ b/Lib/test/support/interpreters/__init__.py @@ -0,0 +1,258 @@ +"""Subinterpreters High Level Module.""" + +import threading +import weakref +import _interpreters + +# aliases: +from _interpreters import ( + InterpreterError, InterpreterNotFoundError, NotShareableError, + is_shareable, +) + + +__all__ = [ + 'get_current', 'get_main', 'create', 'list_all', 'is_shareable', + 'Interpreter', + 'InterpreterError', 'InterpreterNotFoundError', 'ExecutionFailed', + 'NotShareableError', + 'create_queue', 'Queue', 'QueueEmpty', 'QueueFull', +] + + +_queuemod = None + +def __getattr__(name): + if name in ('Queue', 'QueueEmpty', 'QueueFull', 'create_queue'): + global create_queue, Queue, QueueEmpty, QueueFull + ns = globals() + from .queues import ( + create as create_queue, + Queue, QueueEmpty, QueueFull, + ) + return ns[name] + else: + raise AttributeError(name) + + +_EXEC_FAILURE_STR = """ +{superstr} + +Uncaught in the interpreter: + +{formatted} +""".strip() + +class ExecutionFailed(InterpreterError): + """An unhandled exception happened during execution. + + This is raised from Interpreter.exec() and Interpreter.call(). + """ + + def __init__(self, excinfo): + msg = excinfo.formatted + if not msg: + if excinfo.type and excinfo.msg: + msg = f'{excinfo.type.__name__}: {excinfo.msg}' + else: + msg = excinfo.type.__name__ or excinfo.msg + super().__init__(msg) + self.excinfo = excinfo + + def __str__(self): + try: + formatted = self.excinfo.errdisplay + except Exception: + return super().__str__() + else: + return _EXEC_FAILURE_STR.format( + superstr=super().__str__(), + formatted=formatted, + ) + + +def create(): + """Return a new (idle) Python interpreter.""" + id = _interpreters.create(reqrefs=True) + return Interpreter(id, _ownsref=True) + + +def list_all(): + """Return all existing interpreters.""" + return [Interpreter(id, _whence=whence) + for id, whence in _interpreters.list_all(require_ready=True)] + + +def get_current(): + """Return the currently running interpreter.""" + id, whence = _interpreters.get_current() + return Interpreter(id, _whence=whence) + + +def get_main(): + """Return the main interpreter.""" + id, whence = _interpreters.get_main() + assert whence == _interpreters.WHENCE_RUNTIME, repr(whence) + return Interpreter(id, _whence=whence) + + +_known = weakref.WeakValueDictionary() + +class Interpreter: + """A single Python interpreter. + + Attributes: + + "id" - the unique process-global ID number for the interpreter + "whence" - indicates where the interpreter was created + + If the interpreter wasn't created by this module + then any method that modifies the interpreter will fail, + i.e. .close(), .prepare_main(), .exec(), and .call() + """ + + _WHENCE_TO_STR = { + _interpreters.WHENCE_UNKNOWN: 'unknown', + _interpreters.WHENCE_RUNTIME: 'runtime init', + _interpreters.WHENCE_LEGACY_CAPI: 'legacy C-API', + _interpreters.WHENCE_CAPI: 'C-API', + _interpreters.WHENCE_XI: 'cross-interpreter C-API', + _interpreters.WHENCE_STDLIB: '_interpreters module', + } + + def __new__(cls, id, /, _whence=None, _ownsref=None): + # There is only one instance for any given ID. + if not isinstance(id, int): + raise TypeError(f'id must be an int, got {id!r}') + id = int(id) + if _whence is None: + if _ownsref: + _whence = _interpreters.WHENCE_STDLIB + else: + _whence = _interpreters.whence(id) + assert _whence in cls._WHENCE_TO_STR, repr(_whence) + if _ownsref is None: + _ownsref = (_whence == _interpreters.WHENCE_STDLIB) + try: + self = _known[id] + assert hasattr(self, '_ownsref') + except KeyError: + self = super().__new__(cls) + _known[id] = self + self._id = id + self._whence = _whence + self._ownsref = _ownsref + if _ownsref: + # This may raise InterpreterNotFoundError: + _interpreters.incref(id) + return self + + def __repr__(self): + return f'{type(self).__name__}({self.id})' + + def __hash__(self): + return hash(self._id) + + def __del__(self): + self._decref() + + # for pickling: + def __getnewargs__(self): + return (self._id,) + + # for pickling: + def __getstate__(self): + return None + + def _decref(self): + if not self._ownsref: + return + self._ownsref = False + try: + _interpreters.decref(self._id) + except InterpreterNotFoundError: + pass + + @property + def id(self): + return self._id + + @property + def whence(self): + return self._WHENCE_TO_STR[self._whence] + + def is_running(self): + """Return whether or not the identified interpreter is running.""" + return _interpreters.is_running(self._id) + + # Everything past here is available only to interpreters created by + # interpreters.create(). + + def close(self): + """Finalize and destroy the interpreter. + + Attempting to destroy the current interpreter results + in an InterpreterError. + """ + return _interpreters.destroy(self._id, restrict=True) + + def prepare_main(self, ns=None, /, **kwargs): + """Bind the given values into the interpreter's __main__. + + The values must be shareable. + """ + ns = dict(ns, **kwargs) if ns is not None else kwargs + _interpreters.set___main___attrs(self._id, ns, restrict=True) + + def exec(self, code, /): + """Run the given source code in the interpreter. + + This is essentially the same as calling the builtin "exec" + with this interpreter, using the __dict__ of its __main__ + module as both globals and locals. + + There is no return value. + + If the code raises an unhandled exception then an ExecutionFailed + exception is raised, which summarizes the unhandled exception. + The actual exception is discarded because objects cannot be + shared between interpreters. + + This blocks the current Python thread until done. During + that time, the previous interpreter is allowed to run + in other threads. + """ + excinfo = _interpreters.exec(self._id, code, restrict=True) + if excinfo is not None: + raise ExecutionFailed(excinfo) + + def call(self, callable, /): + """Call the object in the interpreter with given args/kwargs. + + Only functions that take no arguments and have no closure + are supported. + + The return value is discarded. + + If the callable raises an exception then the error display + (including full traceback) is send back between the interpreters + and an ExecutionFailed exception is raised, much like what + happens with Interpreter.exec(). + """ + # XXX Support args and kwargs. + # XXX Support arbitrary callables. + # XXX Support returning the return value (e.g. via pickle). + excinfo = _interpreters.call(self._id, callable, restrict=True) + if excinfo is not None: + raise ExecutionFailed(excinfo) + + def call_in_thread(self, callable, /): + """Return a new thread that calls the object in the interpreter. + + The return value and any raised exception are discarded. + """ + def task(): + self.call(callable) + t = threading.Thread(target=task) + t.start() + return t diff --git a/Lib/test/support/interpreters/_crossinterp.py b/Lib/test/support/interpreters/_crossinterp.py new file mode 100644 index 00000000000..544e197ba4c --- /dev/null +++ b/Lib/test/support/interpreters/_crossinterp.py @@ -0,0 +1,102 @@ +"""Common code between queues and channels.""" + + +class ItemInterpreterDestroyed(Exception): + """Raised when trying to get an item whose interpreter was destroyed.""" + + +class classonly: + """A non-data descriptor that makes a value only visible on the class. + + This is like the "classmethod" builtin, but does not show up on + instances of the class. It may be used as a decorator. + """ + + def __init__(self, value): + self.value = value + self.getter = classmethod(value).__get__ + self.name = None + + def __set_name__(self, cls, name): + if self.name is not None: + raise TypeError('already used') + self.name = name + + def __get__(self, obj, cls): + if obj is not None: + raise AttributeError(self.name) + # called on the class + return self.getter(None, cls) + + +class UnboundItem: + """Represents a cross-interpreter item no longer bound to an interpreter. + + An item is unbound when the interpreter that added it to the + cross-interpreter container is destroyed. + """ + + __slots__ = () + + @classonly + def singleton(cls, kind, module, name='UNBOUND'): + doc = cls.__doc__.replace('cross-interpreter container', kind) + doc = doc.replace('cross-interpreter', kind) + subclass = type( + f'Unbound{kind.capitalize()}Item', + (cls,), + dict( + _MODULE=module, + _NAME=name, + __doc__=doc, + ), + ) + return object.__new__(subclass) + + _MODULE = __name__ + _NAME = 'UNBOUND' + + def __new__(cls): + raise Exception(f'use {cls._MODULE}.{cls._NAME}') + + def __repr__(self): + return f'{self._MODULE}.{self._NAME}' +# return f'interpreters.queues.UNBOUND' + + +UNBOUND = object.__new__(UnboundItem) +UNBOUND_ERROR = object() +UNBOUND_REMOVE = object() + +_UNBOUND_CONSTANT_TO_FLAG = { + UNBOUND_REMOVE: 1, + UNBOUND_ERROR: 2, + UNBOUND: 3, +} +_UNBOUND_FLAG_TO_CONSTANT = {v: k + for k, v in _UNBOUND_CONSTANT_TO_FLAG.items()} + + +def serialize_unbound(unbound): + op = unbound + try: + flag = _UNBOUND_CONSTANT_TO_FLAG[op] + except KeyError: + raise NotImplementedError(f'unsupported unbound replacement op {op!r}') + return flag, + + +def resolve_unbound(flag, exctype_destroyed): + try: + op = _UNBOUND_FLAG_TO_CONSTANT[flag] + except KeyError: + raise NotImplementedError(f'unsupported unbound replacement op {flag!r}') + if op is UNBOUND_REMOVE: + # "remove" not possible here + raise NotImplementedError + elif op is UNBOUND_ERROR: + raise exctype_destroyed("item's original interpreter destroyed") + elif op is UNBOUND: + return UNBOUND + else: + raise NotImplementedError(repr(op)) diff --git a/Lib/test/support/interpreters/channels.py b/Lib/test/support/interpreters/channels.py new file mode 100644 index 00000000000..d2bd93d77f7 --- /dev/null +++ b/Lib/test/support/interpreters/channels.py @@ -0,0 +1,257 @@ +"""Cross-interpreter Channels High Level Module.""" + +import time +import _interpchannels as _channels +from . import _crossinterp + +# aliases: +from _interpchannels import ( + ChannelError, ChannelNotFoundError, ChannelClosedError, + ChannelEmptyError, ChannelNotEmptyError, +) +from ._crossinterp import ( + UNBOUND_ERROR, UNBOUND_REMOVE, +) + + +__all__ = [ + 'UNBOUND', 'UNBOUND_ERROR', 'UNBOUND_REMOVE', + 'create', 'list_all', + 'SendChannel', 'RecvChannel', + 'ChannelError', 'ChannelNotFoundError', 'ChannelEmptyError', + 'ItemInterpreterDestroyed', +] + + +class ItemInterpreterDestroyed(ChannelError, + _crossinterp.ItemInterpreterDestroyed): + """Raised from get() and get_nowait().""" + + +UNBOUND = _crossinterp.UnboundItem.singleton('queue', __name__) + + +def _serialize_unbound(unbound): + if unbound is UNBOUND: + unbound = _crossinterp.UNBOUND + return _crossinterp.serialize_unbound(unbound) + + +def _resolve_unbound(flag): + resolved = _crossinterp.resolve_unbound(flag, ItemInterpreterDestroyed) + if resolved is _crossinterp.UNBOUND: + resolved = UNBOUND + return resolved + + +def create(*, unbounditems=UNBOUND): + """Return (recv, send) for a new cross-interpreter channel. + + The channel may be used to pass data safely between interpreters. + + "unbounditems" sets the default for the send end of the channel. + See SendChannel.send() for supported values. The default value + is UNBOUND, which replaces the unbound item when received. + """ + unbound = _serialize_unbound(unbounditems) + unboundop, = unbound + cid = _channels.create(unboundop) + recv, send = RecvChannel(cid), SendChannel(cid, _unbound=unbound) + return recv, send + + +def list_all(): + """Return a list of (recv, send) for all open channels.""" + return [(RecvChannel(cid), SendChannel(cid, _unbound=unbound)) + for cid, unbound in _channels.list_all()] + + +class _ChannelEnd: + """The base class for RecvChannel and SendChannel.""" + + _end = None + + def __new__(cls, cid): + self = super().__new__(cls) + if self._end == 'send': + cid = _channels._channel_id(cid, send=True, force=True) + elif self._end == 'recv': + cid = _channels._channel_id(cid, recv=True, force=True) + else: + raise NotImplementedError(self._end) + self._id = cid + return self + + def __repr__(self): + return f'{type(self).__name__}(id={int(self._id)})' + + def __hash__(self): + return hash(self._id) + + def __eq__(self, other): + if isinstance(self, RecvChannel): + if not isinstance(other, RecvChannel): + return NotImplemented + elif not isinstance(other, SendChannel): + return NotImplemented + return other._id == self._id + + # for pickling: + def __getnewargs__(self): + return (int(self._id),) + + # for pickling: + def __getstate__(self): + return None + + @property + def id(self): + return self._id + + @property + def _info(self): + return _channels.get_info(self._id) + + @property + def is_closed(self): + return self._info.closed + + +_NOT_SET = object() + + +class RecvChannel(_ChannelEnd): + """The receiving end of a cross-interpreter channel.""" + + _end = 'recv' + + def recv(self, timeout=None, *, + _sentinel=object(), + _delay=10 / 1000, # 10 milliseconds + ): + """Return the next object from the channel. + + This blocks until an object has been sent, if none have been + sent already. + """ + if timeout is not None: + timeout = int(timeout) + if timeout < 0: + raise ValueError(f'timeout value must be non-negative') + end = time.time() + timeout + obj, unboundop = _channels.recv(self._id, _sentinel) + while obj is _sentinel: + time.sleep(_delay) + if timeout is not None and time.time() >= end: + raise TimeoutError + obj, unboundop = _channels.recv(self._id, _sentinel) + if unboundop is not None: + assert obj is None, repr(obj) + return _resolve_unbound(unboundop) + return obj + + def recv_nowait(self, default=_NOT_SET): + """Return the next object from the channel. + + If none have been sent then return the default if one + is provided or fail with ChannelEmptyError. Otherwise this + is the same as recv(). + """ + if default is _NOT_SET: + obj, unboundop = _channels.recv(self._id) + else: + obj, unboundop = _channels.recv(self._id, default) + if unboundop is not None: + assert obj is None, repr(obj) + return _resolve_unbound(unboundop) + return obj + + def close(self): + _channels.close(self._id, recv=True) + + +class SendChannel(_ChannelEnd): + """The sending end of a cross-interpreter channel.""" + + _end = 'send' + + def __new__(cls, cid, *, _unbound=None): + if _unbound is None: + try: + op = _channels.get_channel_defaults(cid) + _unbound = (op,) + except ChannelNotFoundError: + _unbound = _serialize_unbound(UNBOUND) + self = super().__new__(cls, cid) + self._unbound = _unbound + return self + + @property + def is_closed(self): + info = self._info + return info.closed or info.closing + + def send(self, obj, timeout=None, *, + unbound=None, + ): + """Send the object (i.e. its data) to the channel's receiving end. + + This blocks until the object is received. + """ + if unbound is None: + unboundop, = self._unbound + else: + unboundop, = _serialize_unbound(unbound) + _channels.send(self._id, obj, unboundop, timeout=timeout, blocking=True) + + def send_nowait(self, obj, *, + unbound=None, + ): + """Send the object to the channel's receiving end. + + If the object is immediately received then return True + (else False). Otherwise this is the same as send(). + """ + if unbound is None: + unboundop, = self._unbound + else: + unboundop, = _serialize_unbound(unbound) + # XXX Note that at the moment channel_send() only ever returns + # None. This should be fixed when channel_send_wait() is added. + # See bpo-32604 and gh-19829. + return _channels.send(self._id, obj, unboundop, blocking=False) + + def send_buffer(self, obj, timeout=None, *, + unbound=None, + ): + """Send the object's buffer to the channel's receiving end. + + This blocks until the object is received. + """ + if unbound is None: + unboundop, = self._unbound + else: + unboundop, = _serialize_unbound(unbound) + _channels.send_buffer(self._id, obj, unboundop, + timeout=timeout, blocking=True) + + def send_buffer_nowait(self, obj, *, + unbound=None, + ): + """Send the object's buffer to the channel's receiving end. + + If the object is immediately received then return True + (else False). Otherwise this is the same as send(). + """ + if unbound is None: + unboundop, = self._unbound + else: + unboundop, = _serialize_unbound(unbound) + return _channels.send_buffer(self._id, obj, unboundop, blocking=False) + + def close(self): + _channels.close(self._id, send=True) + + +# XXX This is causing leaks (gh-110318): +_channels._register_end_types(SendChannel, RecvChannel) diff --git a/Lib/test/support/interpreters/queues.py b/Lib/test/support/interpreters/queues.py new file mode 100644 index 00000000000..deb8e8613af --- /dev/null +++ b/Lib/test/support/interpreters/queues.py @@ -0,0 +1,313 @@ +"""Cross-interpreter Queues High Level Module.""" + +import pickle +import queue +import time +import weakref +import _interpqueues as _queues +from . import _crossinterp + +# aliases: +from _interpqueues import ( + QueueError, QueueNotFoundError, +) +from ._crossinterp import ( + UNBOUND_ERROR, UNBOUND_REMOVE, +) + +__all__ = [ + 'UNBOUND', 'UNBOUND_ERROR', 'UNBOUND_REMOVE', + 'create', 'list_all', + 'Queue', + 'QueueError', 'QueueNotFoundError', 'QueueEmpty', 'QueueFull', + 'ItemInterpreterDestroyed', +] + + +class QueueEmpty(QueueError, queue.Empty): + """Raised from get_nowait() when the queue is empty. + + It is also raised from get() if it times out. + """ + + +class QueueFull(QueueError, queue.Full): + """Raised from put_nowait() when the queue is full. + + It is also raised from put() if it times out. + """ + + +class ItemInterpreterDestroyed(QueueError, + _crossinterp.ItemInterpreterDestroyed): + """Raised from get() and get_nowait().""" + + +_SHARED_ONLY = 0 +_PICKLED = 1 + + +UNBOUND = _crossinterp.UnboundItem.singleton('queue', __name__) + + +def _serialize_unbound(unbound): + if unbound is UNBOUND: + unbound = _crossinterp.UNBOUND + return _crossinterp.serialize_unbound(unbound) + + +def _resolve_unbound(flag): + resolved = _crossinterp.resolve_unbound(flag, ItemInterpreterDestroyed) + if resolved is _crossinterp.UNBOUND: + resolved = UNBOUND + return resolved + + +def create(maxsize=0, *, syncobj=False, unbounditems=UNBOUND): + """Return a new cross-interpreter queue. + + The queue may be used to pass data safely between interpreters. + + "syncobj" sets the default for Queue.put() + and Queue.put_nowait(). + + "unbounditems" likewise sets the default. See Queue.put() for + supported values. The default value is UNBOUND, which replaces + the unbound item. + """ + fmt = _SHARED_ONLY if syncobj else _PICKLED + unbound = _serialize_unbound(unbounditems) + unboundop, = unbound + qid = _queues.create(maxsize, fmt, unboundop) + return Queue(qid, _fmt=fmt, _unbound=unbound) + + +def list_all(): + """Return a list of all open queues.""" + return [Queue(qid, _fmt=fmt, _unbound=(unboundop,)) + for qid, fmt, unboundop in _queues.list_all()] + + +_known_queues = weakref.WeakValueDictionary() + +class Queue: + """A cross-interpreter queue.""" + + def __new__(cls, id, /, *, _fmt=None, _unbound=None): + # There is only one instance for any given ID. + if isinstance(id, int): + id = int(id) + else: + raise TypeError(f'id must be an int, got {id!r}') + if _fmt is None: + if _unbound is None: + _fmt, op = _queues.get_queue_defaults(id) + _unbound = (op,) + else: + _fmt, _ = _queues.get_queue_defaults(id) + elif _unbound is None: + _, op = _queues.get_queue_defaults(id) + _unbound = (op,) + try: + self = _known_queues[id] + except KeyError: + self = super().__new__(cls) + self._id = id + self._fmt = _fmt + self._unbound = _unbound + _known_queues[id] = self + _queues.bind(id) + return self + + def __del__(self): + try: + _queues.release(self._id) + except QueueNotFoundError: + pass + try: + del _known_queues[self._id] + except KeyError: + pass + + def __repr__(self): + return f'{type(self).__name__}({self.id})' + + def __hash__(self): + return hash(self._id) + + # for pickling: + def __getnewargs__(self): + return (self._id,) + + # for pickling: + def __getstate__(self): + return None + + @property + def id(self): + return self._id + + @property + def maxsize(self): + try: + return self._maxsize + except AttributeError: + self._maxsize = _queues.get_maxsize(self._id) + return self._maxsize + + def empty(self): + return self.qsize() == 0 + + def full(self): + return _queues.is_full(self._id) + + def qsize(self): + return _queues.get_count(self._id) + + def put(self, obj, timeout=None, *, + syncobj=None, + unbound=None, + _delay=10 / 1000, # 10 milliseconds + ): + """Add the object to the queue. + + This blocks while the queue is full. + + If "syncobj" is None (the default) then it uses the + queue's default, set with create_queue(). + + If "syncobj" is false then all objects are supported, + at the expense of worse performance. + + If "syncobj" is true then the object must be "shareable". + Examples of "shareable" objects include the builtin singletons, + str, and memoryview. One benefit is that such objects are + passed through the queue efficiently. + + The key difference, though, is conceptual: the corresponding + object returned from Queue.get() will be strictly equivalent + to the given obj. In other words, the two objects will be + effectively indistinguishable from each other, even if the + object is mutable. The received object may actually be the + same object, or a copy (immutable values only), or a proxy. + Regardless, the received object should be treated as though + the original has been shared directly, whether or not it + actually is. That's a slightly different and stronger promise + than just (initial) equality, which is all "syncobj=False" + can promise. + + "unbound" controls the behavior of Queue.get() for the given + object if the current interpreter (calling put()) is later + destroyed. + + If "unbound" is None (the default) then it uses the + queue's default, set with create_queue(), + which is usually UNBOUND. + + If "unbound" is UNBOUND_ERROR then get() will raise an + ItemInterpreterDestroyed exception if the original interpreter + has been destroyed. This does not otherwise affect the queue; + the next call to put() will work like normal, returning the next + item in the queue. + + If "unbound" is UNBOUND_REMOVE then the item will be removed + from the queue as soon as the original interpreter is destroyed. + Be aware that this will introduce an imbalance between put() + and get() calls. + + If "unbound" is UNBOUND then it is returned by get() in place + of the unbound item. + """ + if syncobj is None: + fmt = self._fmt + else: + fmt = _SHARED_ONLY if syncobj else _PICKLED + if unbound is None: + unboundop, = self._unbound + else: + unboundop, = _serialize_unbound(unbound) + if timeout is not None: + timeout = int(timeout) + if timeout < 0: + raise ValueError(f'timeout value must be non-negative') + end = time.time() + timeout + if fmt is _PICKLED: + obj = pickle.dumps(obj) + while True: + try: + _queues.put(self._id, obj, fmt, unboundop) + except QueueFull as exc: + if timeout is not None and time.time() >= end: + raise # re-raise + time.sleep(_delay) + else: + break + + def put_nowait(self, obj, *, syncobj=None, unbound=None): + if syncobj is None: + fmt = self._fmt + else: + fmt = _SHARED_ONLY if syncobj else _PICKLED + if unbound is None: + unboundop, = self._unbound + else: + unboundop, = _serialize_unbound(unbound) + if fmt is _PICKLED: + obj = pickle.dumps(obj) + _queues.put(self._id, obj, fmt, unboundop) + + def get(self, timeout=None, *, + _delay=10 / 1000, # 10 milliseconds + ): + """Return the next object from the queue. + + This blocks while the queue is empty. + + If the next item's original interpreter has been destroyed + then the "next object" is determined by the value of the + "unbound" argument to put(). + """ + if timeout is not None: + timeout = int(timeout) + if timeout < 0: + raise ValueError(f'timeout value must be non-negative') + end = time.time() + timeout + while True: + try: + obj, fmt, unboundop = _queues.get(self._id) + except QueueEmpty as exc: + if timeout is not None and time.time() >= end: + raise # re-raise + time.sleep(_delay) + else: + break + if unboundop is not None: + assert obj is None, repr(obj) + return _resolve_unbound(unboundop) + if fmt == _PICKLED: + obj = pickle.loads(obj) + else: + assert fmt == _SHARED_ONLY + return obj + + def get_nowait(self): + """Return the next object from the channel. + + If the queue is empty then raise QueueEmpty. Otherwise this + is the same as get(). + """ + try: + obj, fmt, unboundop = _queues.get(self._id) + except QueueEmpty as exc: + raise # re-raise + if unboundop is not None: + assert obj is None, repr(obj) + return _resolve_unbound(unboundop) + if fmt == _PICKLED: + obj = pickle.loads(obj) + else: + assert fmt == _SHARED_ONLY + return obj + + +_queues._register_heap_types(Queue, QueueEmpty, QueueFull) diff --git a/Lib/test/support/os_helper.py b/Lib/test/support/os_helper.py index 821a4b1ffd5..891405943b7 100644 --- a/Lib/test/support/os_helper.py +++ b/Lib/test/support/os_helper.py @@ -10,6 +10,8 @@ import unittest import warnings +from test import support + # Filename used for testing TESTFN_ASCII = '@test' @@ -20,8 +22,8 @@ # TESTFN_UNICODE is a non-ascii filename TESTFN_UNICODE = TESTFN_ASCII + "-\xe0\xf2\u0258\u0141\u011f" -if sys.platform == 'darwin': - # In Mac OS X's VFS API file names are, by definition, canonically +if support.is_apple: + # On Apple's VFS API file names are, by definition, canonically # decomposed Unicode, encoded using UTF-8. See QA1173: # http://developer.apple.com/mac/library/qa/qa2001/qa1173.html import unicodedata @@ -46,8 +48,8 @@ 'encoding (%s). Unicode filename tests may not be effective' % (TESTFN_UNENCODABLE, sys.getfilesystemencoding())) TESTFN_UNENCODABLE = None -# macOS and Emscripten deny unencodable filenames (invalid utf-8) -elif sys.platform not in {'darwin', 'emscripten', 'wasi'}: +# Apple and Emscripten deny unencodable filenames (invalid utf-8) +elif not support.is_apple and sys.platform not in {"emscripten", "wasi"}: try: # ascii and utf-8 cannot encode the byte 0xff b'\xff'.decode(sys.getfilesystemencoding()) @@ -196,6 +198,23 @@ def skip_unless_symlink(test): return test if ok else unittest.skip(msg)(test) +_can_hardlink = None + +def can_hardlink(): + global _can_hardlink + if _can_hardlink is None: + # Android blocks hard links using SELinux + # (https://stackoverflow.com/q/32365690). + _can_hardlink = hasattr(os, "link") and not support.is_android + return _can_hardlink + + +def skip_unless_hardlink(test): + ok = can_hardlink() + msg = "requires hardlink support" + return test if ok else unittest.skip(msg)(test) + + _can_xattr = None @@ -245,15 +264,15 @@ def can_chmod(): global _can_chmod if _can_chmod is not None: return _can_chmod - if not hasattr(os, "chown"): + if not hasattr(os, "chmod"): _can_chmod = False return _can_chmod try: with open(TESTFN, "wb") as f: try: - os.chmod(TESTFN, 0o777) + os.chmod(TESTFN, 0o555) mode1 = os.stat(TESTFN).st_mode - os.chmod(TESTFN, 0o666) + os.chmod(TESTFN, 0o777) mode2 = os.stat(TESTFN).st_mode except OSError as e: can = False @@ -300,6 +319,10 @@ def can_dac_override(): else: _can_dac_override = True finally: + try: + os.chmod(TESTFN, 0o700) + except OSError: + pass unlink(TESTFN) return _can_dac_override @@ -589,11 +612,18 @@ def __fspath__(self): def fd_count(): """Count the number of open file descriptors. """ - if sys.platform.startswith(('linux', 'freebsd', 'emscripten')): + if sys.platform.startswith(('linux', 'android', 'freebsd', 'emscripten')): + fd_path = "/proc/self/fd" + elif sys.platform == "darwin": + fd_path = "/dev/fd" + else: + fd_path = None + + if fd_path is not None: try: - names = os.listdir("/proc/self/fd") + names = os.listdir(fd_path) # Subtract one because listdir() internally opens a file - # descriptor to list the content of the /proc/self/fd/ directory. + # descriptor to list the content of the directory. return len(names) - 1 except FileNotFoundError: pass @@ -602,7 +632,8 @@ def fd_count(): if hasattr(os, 'sysconf'): try: MAXFD = os.sysconf("SC_OPEN_MAX") - except OSError: + except (OSError, ValueError): + # gh-118201: ValueError is raised intermittently on iOS pass old_modes = None @@ -720,13 +751,16 @@ def __exit__(self, *ignore_exc): try: - import ctypes - kernel32 = ctypes.WinDLL('kernel32', use_last_error=True) - - ERROR_FILE_NOT_FOUND = 2 - DDD_REMOVE_DEFINITION = 2 - DDD_EXACT_MATCH_ON_REMOVE = 4 - DDD_NO_BROADCAST_SYSTEM = 8 + if support.MS_WINDOWS: + import ctypes + kernel32 = ctypes.WinDLL('kernel32', use_last_error=True) + + ERROR_FILE_NOT_FOUND = 2 + DDD_REMOVE_DEFINITION = 2 + DDD_EXACT_MATCH_ON_REMOVE = 4 + DDD_NO_BROADCAST_SYSTEM = 8 + else: + raise AttributeError except (ImportError, AttributeError): def subst_drive(path): raise unittest.SkipTest('ctypes or kernel32 is not available') diff --git a/Lib/test/support/pty_helper.py b/Lib/test/support/pty_helper.py new file mode 100644 index 00000000000..6587fd40333 --- /dev/null +++ b/Lib/test/support/pty_helper.py @@ -0,0 +1,80 @@ +""" +Helper to run a script in a pseudo-terminal. +""" +import os +import selectors +import subprocess +import sys +from contextlib import ExitStack +from errno import EIO + +from test.support.import_helper import import_module + +def run_pty(script, input=b"dummy input\r", env=None): + pty = import_module('pty') + output = bytearray() + [master, slave] = pty.openpty() + args = (sys.executable, '-c', script) + proc = subprocess.Popen(args, stdin=slave, stdout=slave, stderr=slave, env=env) + os.close(slave) + with ExitStack() as cleanup: + cleanup.enter_context(proc) + def terminate(proc): + try: + proc.terminate() + except ProcessLookupError: + # Workaround for Open/Net BSD bug (Issue 16762) + pass + cleanup.callback(terminate, proc) + cleanup.callback(os.close, master) + # Avoid using DefaultSelector and PollSelector. Kqueue() does not + # work with pseudo-terminals on OS X < 10.9 (Issue 20365) and Open + # BSD (Issue 20667). Poll() does not work with OS X 10.6 or 10.4 + # either (Issue 20472). Hopefully the file descriptor is low enough + # to use with select(). + sel = cleanup.enter_context(selectors.SelectSelector()) + sel.register(master, selectors.EVENT_READ | selectors.EVENT_WRITE) + os.set_blocking(master, False) + while True: + for [_, events] in sel.select(): + if events & selectors.EVENT_READ: + try: + chunk = os.read(master, 0x10000) + except OSError as err: + # Linux raises EIO when slave is closed (Issue 5380) + if err.errno != EIO: + raise + chunk = b"" + if not chunk: + return output + output.extend(chunk) + if events & selectors.EVENT_WRITE: + try: + input = input[os.write(master, input):] + except OSError as err: + # Apparently EIO means the slave was closed + if err.errno != EIO: + raise + input = b"" # Stop writing + if not input: + sel.modify(master, selectors.EVENT_READ) + + +###################################################################### +## Fake stdin (for testing interactive debugging) +###################################################################### + +class FakeInput: + """ + A fake input stream for pdb's interactive debugger. Whenever a + line is read, print it (to simulate the user typing it), and then + return it. The set of lines to return is specified in the + constructor; they should not have trailing newlines. + """ + def __init__(self, lines): + self.lines = lines + + def readline(self): + line = self.lines.pop(0) + print(line) + return line + '\n' diff --git a/Lib/test/support/refleak_helper.py b/Lib/test/support/refleak_helper.py new file mode 100644 index 00000000000..2f86c93a1e2 --- /dev/null +++ b/Lib/test/support/refleak_helper.py @@ -0,0 +1,8 @@ +""" +Utilities for changing test behaviour while hunting +for refleaks +""" + +_hunting_for_refleaks = False +def hunting_for_refleaks(): + return _hunting_for_refleaks diff --git a/Lib/test/support/script_helper.py b/Lib/test/support/script_helper.py index c2b43f4060e..04458077d51 100644 --- a/Lib/test/support/script_helper.py +++ b/Lib/test/support/script_helper.py @@ -8,7 +8,6 @@ import os.path import subprocess import py_compile -import zipfile from importlib.util import source_from_cache from test import support @@ -64,8 +63,8 @@ class _PythonRunResult(collections.namedtuple("_PythonRunResult", """Helper for reporting Python subprocess run results""" def fail(self, cmd_line): """Provide helpful details about failed subcommand runs""" - # Limit to 80 lines to ASCII characters - maxlen = 80 * 100 + # Limit to 300 lines of ASCII characters + maxlen = 300 * 100 out, err = self.out, self.err if len(out) > maxlen: out = b'(... truncated stdout ...)' + out[-maxlen:] @@ -93,13 +92,28 @@ def fail(self, cmd_line): # Executing the interpreter in a subprocess @support.requires_subprocess() def run_python_until_end(*args, **env_vars): + """Used to implement assert_python_*. + + *args are the command line flags to pass to the python interpreter. + **env_vars keyword arguments are environment variables to set on the process. + + If __run_using_command= is supplied, it must be a list of + command line arguments to prepend to the command line used. + Useful when you want to run another command that should launch the + python interpreter via its own arguments. ["/bin/echo", "--"] for + example could print the unquoted python command line instead of + run it. + """ env_required = interpreter_requires_environment() + run_using_command = env_vars.pop('__run_using_command', None) cwd = env_vars.pop('__cwd', None) if '__isolated' in env_vars: isolated = env_vars.pop('__isolated') else: isolated = not env_vars and not env_required cmd_line = [sys.executable, '-X', 'faulthandler'] + if run_using_command: + cmd_line = run_using_command + cmd_line if isolated: # isolated mode: ignore Python environment variables, ignore user # site-packages, and don't add the current directory to sys.path @@ -218,14 +232,19 @@ def make_script(script_dir, script_basename, source, omit_suffix=False): if not omit_suffix: script_filename += os.extsep + 'py' script_name = os.path.join(script_dir, script_filename) - # The script should be encoded to UTF-8, the default string encoding - with open(script_name, 'w', encoding='utf-8') as script_file: - script_file.write(source) + if isinstance(source, str): + # The script should be encoded to UTF-8, the default string encoding + with open(script_name, 'w', encoding='utf-8') as script_file: + script_file.write(source) + else: + with open(script_name, 'wb') as script_file: + script_file.write(source) importlib.invalidate_caches() return script_name def make_zip_script(zip_dir, zip_basename, script_name, name_in_zip=None): + import zipfile zip_filename = zip_basename+os.extsep+'zip' zip_name = os.path.join(zip_dir, zip_filename) with zipfile.ZipFile(zip_name, 'w') as zip_file: @@ -252,6 +271,7 @@ def make_pkg(pkg_dir, init_source=''): def make_zip_pkg(zip_dir, zip_basename, pkg_name, script_basename, source, depth=1, compiled=False): + import zipfile unlink = [] init_name = make_script(zip_dir, '__init__', '') unlink.append(init_name) diff --git a/Lib/test/support/smtpd.py b/Lib/test/support/smtpd.py index ec4e7d2f4ce..6052232ec2b 100644 --- a/Lib/test/support/smtpd.py +++ b/Lib/test/support/smtpd.py @@ -180,122 +180,122 @@ def _set_rset_state(self): @property def __server(self): warn("Access to __server attribute on SMTPChannel is deprecated, " - "use 'smtp_server' instead", DeprecationWarning, 2) + "use 'smtp_server' instead", DeprecationWarning, 2) return self.smtp_server @__server.setter def __server(self, value): warn("Setting __server attribute on SMTPChannel is deprecated, " - "set 'smtp_server' instead", DeprecationWarning, 2) + "set 'smtp_server' instead", DeprecationWarning, 2) self.smtp_server = value @property def __line(self): warn("Access to __line attribute on SMTPChannel is deprecated, " - "use 'received_lines' instead", DeprecationWarning, 2) + "use 'received_lines' instead", DeprecationWarning, 2) return self.received_lines @__line.setter def __line(self, value): warn("Setting __line attribute on SMTPChannel is deprecated, " - "set 'received_lines' instead", DeprecationWarning, 2) + "set 'received_lines' instead", DeprecationWarning, 2) self.received_lines = value @property def __state(self): warn("Access to __state attribute on SMTPChannel is deprecated, " - "use 'smtp_state' instead", DeprecationWarning, 2) + "use 'smtp_state' instead", DeprecationWarning, 2) return self.smtp_state @__state.setter def __state(self, value): warn("Setting __state attribute on SMTPChannel is deprecated, " - "set 'smtp_state' instead", DeprecationWarning, 2) + "set 'smtp_state' instead", DeprecationWarning, 2) self.smtp_state = value @property def __greeting(self): warn("Access to __greeting attribute on SMTPChannel is deprecated, " - "use 'seen_greeting' instead", DeprecationWarning, 2) + "use 'seen_greeting' instead", DeprecationWarning, 2) return self.seen_greeting @__greeting.setter def __greeting(self, value): warn("Setting __greeting attribute on SMTPChannel is deprecated, " - "set 'seen_greeting' instead", DeprecationWarning, 2) + "set 'seen_greeting' instead", DeprecationWarning, 2) self.seen_greeting = value @property def __mailfrom(self): warn("Access to __mailfrom attribute on SMTPChannel is deprecated, " - "use 'mailfrom' instead", DeprecationWarning, 2) + "use 'mailfrom' instead", DeprecationWarning, 2) return self.mailfrom @__mailfrom.setter def __mailfrom(self, value): warn("Setting __mailfrom attribute on SMTPChannel is deprecated, " - "set 'mailfrom' instead", DeprecationWarning, 2) + "set 'mailfrom' instead", DeprecationWarning, 2) self.mailfrom = value @property def __rcpttos(self): warn("Access to __rcpttos attribute on SMTPChannel is deprecated, " - "use 'rcpttos' instead", DeprecationWarning, 2) + "use 'rcpttos' instead", DeprecationWarning, 2) return self.rcpttos @__rcpttos.setter def __rcpttos(self, value): warn("Setting __rcpttos attribute on SMTPChannel is deprecated, " - "set 'rcpttos' instead", DeprecationWarning, 2) + "set 'rcpttos' instead", DeprecationWarning, 2) self.rcpttos = value @property def __data(self): warn("Access to __data attribute on SMTPChannel is deprecated, " - "use 'received_data' instead", DeprecationWarning, 2) + "use 'received_data' instead", DeprecationWarning, 2) return self.received_data @__data.setter def __data(self, value): warn("Setting __data attribute on SMTPChannel is deprecated, " - "set 'received_data' instead", DeprecationWarning, 2) + "set 'received_data' instead", DeprecationWarning, 2) self.received_data = value @property def __fqdn(self): warn("Access to __fqdn attribute on SMTPChannel is deprecated, " - "use 'fqdn' instead", DeprecationWarning, 2) + "use 'fqdn' instead", DeprecationWarning, 2) return self.fqdn @__fqdn.setter def __fqdn(self, value): warn("Setting __fqdn attribute on SMTPChannel is deprecated, " - "set 'fqdn' instead", DeprecationWarning, 2) + "set 'fqdn' instead", DeprecationWarning, 2) self.fqdn = value @property def __peer(self): warn("Access to __peer attribute on SMTPChannel is deprecated, " - "use 'peer' instead", DeprecationWarning, 2) + "use 'peer' instead", DeprecationWarning, 2) return self.peer @__peer.setter def __peer(self, value): warn("Setting __peer attribute on SMTPChannel is deprecated, " - "set 'peer' instead", DeprecationWarning, 2) + "set 'peer' instead", DeprecationWarning, 2) self.peer = value @property def __conn(self): warn("Access to __conn attribute on SMTPChannel is deprecated, " - "use 'conn' instead", DeprecationWarning, 2) + "use 'conn' instead", DeprecationWarning, 2) return self.conn @__conn.setter def __conn(self, value): warn("Setting __conn attribute on SMTPChannel is deprecated, " - "set 'conn' instead", DeprecationWarning, 2) + "set 'conn' instead", DeprecationWarning, 2) self.conn = value @property def __addr(self): warn("Access to __addr attribute on SMTPChannel is deprecated, " - "use 'addr' instead", DeprecationWarning, 2) + "use 'addr' instead", DeprecationWarning, 2) return self.addr @__addr.setter def __addr(self, value): warn("Setting __addr attribute on SMTPChannel is deprecated, " - "set 'addr' instead", DeprecationWarning, 2) + "set 'addr' instead", DeprecationWarning, 2) self.addr = value # Overrides base class for convenience. @@ -339,7 +339,7 @@ def found_terminator(self): command = line[:i].upper() arg = line[i+1:].strip() max_sz = (self.command_size_limits[command] - if self.extended_smtp else self.command_size_limit) + if self.extended_smtp else self.command_size_limit) if sz > max_sz: self.push('500 Error: line too long') return diff --git a/Lib/test/support/socket_helper.py b/Lib/test/support/socket_helper.py index d9c087c251e..87941ee1791 100644 --- a/Lib/test/support/socket_helper.py +++ b/Lib/test/support/socket_helper.py @@ -8,7 +8,6 @@ import unittest from .. import support -from . import warnings_helper HOST = "localhost" HOSTv4 = "127.0.0.1" @@ -196,7 +195,6 @@ def get_socket_conn_refused_errs(): def transient_internet(resource_name, *, timeout=_NOT_SET, errnos=()): """Return a context manager that raises ResourceDenied when various issues with the internet connection manifest themselves as exceptions.""" - nntplib = warnings_helper.import_deprecated("nntplib") import urllib.error if timeout is _NOT_SET: timeout = support.INTERNET_TIMEOUT @@ -249,10 +247,6 @@ def filter_error(err): if timeout is not None: socket.setdefaulttimeout(timeout) yield - except nntplib.NNTPTemporaryError as err: - if support.verbose: - sys.stderr.write(denied.args[0] + "\n") - raise denied from err except OSError as err: # urllib can wrap original socket errors multiple times (!), we must # unwrap to get at the original error. @@ -303,7 +297,7 @@ def _get_sysctl(name): stderr=subprocess.STDOUT, text=True) if proc.returncode: - support.print_warning(f'{" ".join(cmd)!r} command failed with ' + support.print_warning(f'{' '.join(cmd)!r} command failed with ' f'exit code {proc.returncode}') # cache the error to only log the warning once _sysctl_cache[name] = None @@ -314,7 +308,7 @@ def _get_sysctl(name): try: value = int(output.strip()) except Exception as exc: - support.print_warning(f'Failed to parse {" ".join(cmd)!r} ' + support.print_warning(f'Failed to parse {' '.join(cmd)!r} ' f'command output {output!r}: {exc!r}') # cache the error to only log the warning once _sysctl_cache[name] = None diff --git a/Lib/test/support/testcase.py b/Lib/test/support/testcase.py index fad1e4cb349..fd32457d146 100644 --- a/Lib/test/support/testcase.py +++ b/Lib/test/support/testcase.py @@ -1,6 +1,63 @@ from math import copysign, isnan +class ExtraAssertions: + + def assertIsSubclass(self, cls, superclass, msg=None): + if issubclass(cls, superclass): + return + standardMsg = f'{cls!r} is not a subclass of {superclass!r}' + self.fail(self._formatMessage(msg, standardMsg)) + + def assertNotIsSubclass(self, cls, superclass, msg=None): + if not issubclass(cls, superclass): + return + standardMsg = f'{cls!r} is a subclass of {superclass!r}' + self.fail(self._formatMessage(msg, standardMsg)) + + def assertHasAttr(self, obj, name, msg=None): + if not hasattr(obj, name): + if isinstance(obj, types.ModuleType): + standardMsg = f'module {obj.__name__!r} has no attribute {name!r}' + elif isinstance(obj, type): + standardMsg = f'type object {obj.__name__!r} has no attribute {name!r}' + else: + standardMsg = f'{type(obj).__name__!r} object has no attribute {name!r}' + self.fail(self._formatMessage(msg, standardMsg)) + + def assertNotHasAttr(self, obj, name, msg=None): + if hasattr(obj, name): + if isinstance(obj, types.ModuleType): + standardMsg = f'module {obj.__name__!r} has unexpected attribute {name!r}' + elif isinstance(obj, type): + standardMsg = f'type object {obj.__name__!r} has unexpected attribute {name!r}' + else: + standardMsg = f'{type(obj).__name__!r} object has unexpected attribute {name!r}' + self.fail(self._formatMessage(msg, standardMsg)) + + def assertStartsWith(self, s, prefix, msg=None): + if s.startswith(prefix): + return + standardMsg = f"{s!r} doesn't start with {prefix!r}" + self.fail(self._formatMessage(msg, standardMsg)) + + def assertNotStartsWith(self, s, prefix, msg=None): + if not s.startswith(prefix): + return + self.fail(self._formatMessage(msg, f"{s!r} starts with {prefix!r}")) + + def assertEndsWith(self, s, suffix, msg=None): + if s.endswith(suffix): + return + standardMsg = f"{s!r} doesn't end with {suffix!r}" + self.fail(self._formatMessage(msg, standardMsg)) + + def assertNotEndsWith(self, s, suffix, msg=None): + if not s.endswith(suffix): + return + self.fail(self._formatMessage(msg, f"{s!r} ends with {suffix!r}")) + + class ExceptionIsLikeMixin: def assertExceptionIsLike(self, exc, template): """ diff --git a/Lib/test/support/threading_helper.py b/Lib/test/support/threading_helper.py index 7f16050f32b..afa25a76f63 100644 --- a/Lib/test/support/threading_helper.py +++ b/Lib/test/support/threading_helper.py @@ -22,34 +22,37 @@ def threading_setup(): - return _thread._count(), threading._dangling.copy() + return _thread._count(), len(threading._dangling) def threading_cleanup(*original_values): - _MAX_COUNT = 100 - - for count in range(_MAX_COUNT): - values = _thread._count(), threading._dangling - if values == original_values: - break - - if not count: - # Display a warning at the first iteration - support.environment_altered = True - dangling_threads = values[1] - support.print_warning(f"threading_cleanup() failed to cleanup " - f"{values[0] - original_values[0]} threads " - f"(count: {values[0]}, " - f"dangling: {len(dangling_threads)})") - for thread in dangling_threads: - support.print_warning(f"Dangling thread: {thread!r}") - - # Don't hold references to threads - dangling_threads = None - values = None - - time.sleep(0.01) - support.gc_collect() + orig_count, orig_ndangling = original_values + + timeout = 1.0 + for _ in support.sleeping_retry(timeout, error=False): + # Copy the thread list to get a consistent output. threading._dangling + # is a WeakSet, its value changes when it's read. + dangling_threads = list(threading._dangling) + count = _thread._count() + + if count <= orig_count: + return + + # Timeout! + support.environment_altered = True + support.print_warning( + f"threading_cleanup() failed to clean up threads " + f"in {timeout:.1f} seconds\n" + f" before: thread count={orig_count}, dangling={orig_ndangling}\n" + f" after: thread count={count}, dangling={len(dangling_threads)}") + for thread in dangling_threads: + support.print_warning(f"Dangling thread: {thread!r}") + + # The warning happens when a test spawns threads and some of these threads + # are still running after the test completes. To fix this warning, join + # threads explicitly to wait until they complete. + # + # To make the warning more likely, reduce the timeout. def reap_threads(func): diff --git a/Lib/test/support/venv.py b/Lib/test/support/venv.py new file mode 100644 index 00000000000..78e6a51ec18 --- /dev/null +++ b/Lib/test/support/venv.py @@ -0,0 +1,70 @@ +import contextlib +import logging +import os +import subprocess +import shlex +import sys +import sysconfig +import tempfile +import venv + + +class VirtualEnvironment: + def __init__(self, prefix, **venv_create_args): + self._logger = logging.getLogger(self.__class__.__name__) + venv.create(prefix, **venv_create_args) + self._prefix = prefix + self._paths = sysconfig.get_paths( + scheme='venv', + vars={'base': self.prefix}, + expand=True, + ) + + @classmethod + @contextlib.contextmanager + def from_tmpdir(cls, *, prefix=None, dir=None, **venv_create_args): + delete = not bool(os.environ.get('PYTHON_TESTS_KEEP_VENV')) + with tempfile.TemporaryDirectory(prefix=prefix, dir=dir, delete=delete) as tmpdir: + yield cls(tmpdir, **venv_create_args) + + @property + def prefix(self): + return self._prefix + + @property + def paths(self): + return self._paths + + @property + def interpreter(self): + return os.path.join(self.paths['scripts'], os.path.basename(sys.executable)) + + def _format_output(self, name, data, indent='\t'): + if not data: + return indent + f'{name}: (none)' + if len(data.splitlines()) == 1: + return indent + f'{name}: {data}' + else: + prefixed_lines = '\n'.join(indent + '> ' + line for line in data.splitlines()) + return indent + f'{name}:\n' + prefixed_lines + + def run(self, *args, **subprocess_args): + if subprocess_args.get('shell'): + raise ValueError('Running the subprocess in shell mode is not supported.') + default_args = { + 'capture_output': True, + 'check': True, + } + try: + result = subprocess.run([self.interpreter, *args], **default_args | subprocess_args) + except subprocess.CalledProcessError as e: + if e.returncode != 0: + self._logger.error( + f'Interpreter returned non-zero exit status {e.returncode}.\n' + + self._format_output('COMMAND', shlex.join(e.cmd)) + '\n' + + self._format_output('STDOUT', e.stdout.decode()) + '\n' + + self._format_output('STDERR', e.stderr.decode()) + '\n' + ) + raise + else: + return result diff --git a/Lib/test/test_regrtest.py b/Lib/test/test_regrtest.py index aab2d9f7ae3..bcee29815dc 100644 --- a/Lib/test/test_regrtest.py +++ b/Lib/test/test_regrtest.py @@ -5,29 +5,47 @@ """ import contextlib -import faulthandler +import dataclasses import glob import io +import locale import os.path import platform +import random import re +import shlex +import signal import subprocess import sys import sysconfig import tempfile import textwrap import unittest -from test import libregrtest +from xml.etree import ElementTree + from test import support -from test.support import os_helper +from test.support import os_helper, without_optimizer +from test.libregrtest import cmdline +from test.libregrtest import main +from test.libregrtest import setup from test.libregrtest import utils +from test.libregrtest.filter import get_match_tests, set_match_tests, match_test +from test.libregrtest.result import TestStats +from test.libregrtest.utils import normalize_test_name +if not support.has_subprocess_support: + raise unittest.SkipTest("test module requires subprocess") -Py_DEBUG = hasattr(sys, 'gettotalrefcount') ROOT_DIR = os.path.join(os.path.dirname(__file__), '..', '..') ROOT_DIR = os.path.abspath(os.path.normpath(ROOT_DIR)) LOG_PREFIX = r'[0-9]+:[0-9]+:[0-9]+ (?:load avg: [0-9]+\.[0-9]{2} )?' +EXITCODE_BAD_TEST = 2 +EXITCODE_ENV_CHANGED = 3 +EXITCODE_NO_TESTS_RAN = 4 +EXITCODE_RERUN_FAIL = 5 +EXITCODE_INTERRUPTED = 130 + TEST_INTERRUPTED = textwrap.dedent(""" from signal import SIGINT, raise_signal try: @@ -43,95 +61,115 @@ class ParseArgsTestCase(unittest.TestCase): Test regrtest's argument parsing, function _parse_args(). """ + @staticmethod + def parse_args(args): + return cmdline._parse_args(args) + def checkError(self, args, msg): with support.captured_stderr() as err, self.assertRaises(SystemExit): - libregrtest._parse_args(args) + self.parse_args(args) self.assertIn(msg, err.getvalue()) def test_help(self): for opt in '-h', '--help': with self.subTest(opt=opt): with support.captured_stdout() as out, \ - self.assertRaises(SystemExit): - libregrtest._parse_args([opt]) + self.assertRaises(SystemExit): + self.parse_args([opt]) self.assertIn('Run Python regression tests.', out.getvalue()) - @unittest.skipUnless(hasattr(faulthandler, 'dump_traceback_later'), - "faulthandler.dump_traceback_later() required") def test_timeout(self): - ns = libregrtest._parse_args(['--timeout', '4.2']) + ns = self.parse_args(['--timeout', '4.2']) self.assertEqual(ns.timeout, 4.2) + + # negative, zero and empty string are treated as "no timeout" + for value in ('-1', '0', ''): + with self.subTest(value=value): + ns = self.parse_args([f'--timeout={value}']) + self.assertEqual(ns.timeout, None) + self.checkError(['--timeout'], 'expected one argument') - self.checkError(['--timeout', 'foo'], 'invalid float value') + self.checkError(['--timeout', 'foo'], 'invalid timeout value:') def test_wait(self): - ns = libregrtest._parse_args(['--wait']) + ns = self.parse_args(['--wait']) self.assertTrue(ns.wait) - def test_worker_args(self): - ns = libregrtest._parse_args(['--worker-args', '[[], {}]']) - self.assertEqual(ns.worker_args, '[[], {}]') - self.checkError(['--worker-args'], 'expected one argument') - def test_start(self): for opt in '-S', '--start': with self.subTest(opt=opt): - ns = libregrtest._parse_args([opt, 'foo']) + ns = self.parse_args([opt, 'foo']) self.assertEqual(ns.start, 'foo') self.checkError([opt], 'expected one argument') def test_verbose(self): - ns = libregrtest._parse_args(['-v']) + ns = self.parse_args(['-v']) self.assertEqual(ns.verbose, 1) - ns = libregrtest._parse_args(['-vvv']) + ns = self.parse_args(['-vvv']) self.assertEqual(ns.verbose, 3) - ns = libregrtest._parse_args(['--verbose']) + ns = self.parse_args(['--verbose']) self.assertEqual(ns.verbose, 1) - ns = libregrtest._parse_args(['--verbose'] * 3) + ns = self.parse_args(['--verbose'] * 3) self.assertEqual(ns.verbose, 3) - ns = libregrtest._parse_args([]) + ns = self.parse_args([]) self.assertEqual(ns.verbose, 0) - def test_verbose2(self): - for opt in '-w', '--verbose2': + def test_rerun(self): + for opt in '-w', '--rerun', '--verbose2': with self.subTest(opt=opt): - ns = libregrtest._parse_args([opt]) - self.assertTrue(ns.verbose2) + ns = self.parse_args([opt]) + self.assertTrue(ns.rerun) def test_verbose3(self): for opt in '-W', '--verbose3': with self.subTest(opt=opt): - ns = libregrtest._parse_args([opt]) + ns = self.parse_args([opt]) self.assertTrue(ns.verbose3) def test_quiet(self): for opt in '-q', '--quiet': with self.subTest(opt=opt): - ns = libregrtest._parse_args([opt]) + ns = self.parse_args([opt]) self.assertTrue(ns.quiet) self.assertEqual(ns.verbose, 0) def test_slowest(self): for opt in '-o', '--slowest': with self.subTest(opt=opt): - ns = libregrtest._parse_args([opt]) + ns = self.parse_args([opt]) self.assertTrue(ns.print_slow) def test_header(self): - ns = libregrtest._parse_args(['--header']) + ns = self.parse_args(['--header']) self.assertTrue(ns.header) - ns = libregrtest._parse_args(['--verbose']) + ns = self.parse_args(['--verbose']) self.assertTrue(ns.header) def test_randomize(self): - for opt in '-r', '--randomize': + for opt in ('-r', '--randomize'): with self.subTest(opt=opt): - ns = libregrtest._parse_args([opt]) + ns = self.parse_args([opt]) self.assertTrue(ns.randomize) + with os_helper.EnvironmentVarGuard() as env: + # with SOURCE_DATE_EPOCH + env['SOURCE_DATE_EPOCH'] = '1697839080' + ns = self.parse_args(['--randomize']) + regrtest = main.Regrtest(ns) + self.assertFalse(regrtest.randomize) + self.assertIsInstance(regrtest.random_seed, str) + self.assertEqual(regrtest.random_seed, '1697839080') + + # without SOURCE_DATE_EPOCH + del env['SOURCE_DATE_EPOCH'] + ns = self.parse_args(['--randomize']) + regrtest = main.Regrtest(ns) + self.assertTrue(regrtest.randomize) + self.assertIsInstance(regrtest.random_seed, int) + def test_randseed(self): - ns = libregrtest._parse_args(['--randseed', '12345']) + ns = self.parse_args(['--randseed', '12345']) self.assertEqual(ns.random_seed, 12345) self.assertTrue(ns.randomize) self.checkError(['--randseed'], 'expected one argument') @@ -140,7 +178,7 @@ def test_randseed(self): def test_fromfile(self): for opt in '-f', '--fromfile': with self.subTest(opt=opt): - ns = libregrtest._parse_args([opt, 'foo']) + ns = self.parse_args([opt, 'foo']) self.assertEqual(ns.fromfile, 'foo') self.checkError([opt], 'expected one argument') self.checkError([opt, 'foo', '-s'], "don't go together") @@ -148,46 +186,37 @@ def test_fromfile(self): def test_exclude(self): for opt in '-x', '--exclude': with self.subTest(opt=opt): - ns = libregrtest._parse_args([opt]) + ns = self.parse_args([opt]) self.assertTrue(ns.exclude) def test_single(self): for opt in '-s', '--single': with self.subTest(opt=opt): - ns = libregrtest._parse_args([opt]) + ns = self.parse_args([opt]) self.assertTrue(ns.single) self.checkError([opt, '-f', 'foo'], "don't go together") - # TODO: RUSTPYTHON - @unittest.expectedFailure - def test_ignore(self): - for opt in '-i', '--ignore': + def test_match(self): + for opt in '-m', '--match': with self.subTest(opt=opt): - ns = libregrtest._parse_args([opt, 'pattern']) - self.assertEqual(ns.ignore_tests, ['pattern']) + ns = self.parse_args([opt, 'pattern']) + self.assertEqual(ns.match_tests, [('pattern', True)]) self.checkError([opt], 'expected one argument') - self.addCleanup(os_helper.unlink, os_helper.TESTFN) - with open(os_helper.TESTFN, "w") as fp: - print('matchfile1', file=fp) - print('matchfile2', file=fp) - - filename = os.path.abspath(os_helper.TESTFN) - ns = libregrtest._parse_args(['-m', 'match', - '--ignorefile', filename]) - self.assertEqual(ns.ignore_tests, - ['matchfile1', 'matchfile2']) - - def test_match(self): - for opt in '-m', '--match': + for opt in '-i', '--ignore': with self.subTest(opt=opt): - ns = libregrtest._parse_args([opt, 'pattern']) - self.assertEqual(ns.match_tests, ['pattern']) + ns = self.parse_args([opt, 'pattern']) + self.assertEqual(ns.match_tests, [('pattern', False)]) self.checkError([opt], 'expected one argument') - ns = libregrtest._parse_args(['-m', 'pattern1', - '-m', 'pattern2']) - self.assertEqual(ns.match_tests, ['pattern1', 'pattern2']) + ns = self.parse_args(['-m', 'pattern1', '-m', 'pattern2']) + self.assertEqual(ns.match_tests, [('pattern1', True), ('pattern2', True)]) + + ns = self.parse_args(['-m', 'pattern1', '-i', 'pattern2']) + self.assertEqual(ns.match_tests, [('pattern1', True), ('pattern2', False)]) + + ns = self.parse_args(['-i', 'pattern1', '-m', 'pattern2']) + self.assertEqual(ns.match_tests, [('pattern1', False), ('pattern2', True)]) self.addCleanup(os_helper.unlink, os_helper.TESTFN) with open(os_helper.TESTFN, "w") as fp: @@ -195,73 +224,76 @@ def test_match(self): print('matchfile2', file=fp) filename = os.path.abspath(os_helper.TESTFN) - ns = libregrtest._parse_args(['-m', 'match', - '--matchfile', filename]) + ns = self.parse_args(['-m', 'match', '--matchfile', filename]) + self.assertEqual(ns.match_tests, + [('match', True), ('matchfile1', True), ('matchfile2', True)]) + + ns = self.parse_args(['-i', 'match', '--ignorefile', filename]) self.assertEqual(ns.match_tests, - ['match', 'matchfile1', 'matchfile2']) + [('match', False), ('matchfile1', False), ('matchfile2', False)]) def test_failfast(self): for opt in '-G', '--failfast': with self.subTest(opt=opt): - ns = libregrtest._parse_args([opt, '-v']) + ns = self.parse_args([opt, '-v']) self.assertTrue(ns.failfast) - ns = libregrtest._parse_args([opt, '-W']) + ns = self.parse_args([opt, '-W']) self.assertTrue(ns.failfast) self.checkError([opt], '-G/--failfast needs either -v or -W') def test_use(self): for opt in '-u', '--use': with self.subTest(opt=opt): - ns = libregrtest._parse_args([opt, 'gui,network']) + ns = self.parse_args([opt, 'gui,network']) self.assertEqual(ns.use_resources, ['gui', 'network']) - ns = libregrtest._parse_args([opt, 'gui,none,network']) + ns = self.parse_args([opt, 'gui,none,network']) self.assertEqual(ns.use_resources, ['network']) - expected = list(libregrtest.ALL_RESOURCES) + expected = list(cmdline.ALL_RESOURCES) expected.remove('gui') - ns = libregrtest._parse_args([opt, 'all,-gui']) + ns = self.parse_args([opt, 'all,-gui']) self.assertEqual(ns.use_resources, expected) self.checkError([opt], 'expected one argument') self.checkError([opt, 'foo'], 'invalid resource') # all + a resource not part of "all" - ns = libregrtest._parse_args([opt, 'all,tzdata']) + ns = self.parse_args([opt, 'all,tzdata']) self.assertEqual(ns.use_resources, - list(libregrtest.ALL_RESOURCES) + ['tzdata']) + list(cmdline.ALL_RESOURCES) + ['tzdata']) # test another resource which is not part of "all" - ns = libregrtest._parse_args([opt, 'extralargefile']) + ns = self.parse_args([opt, 'extralargefile']) self.assertEqual(ns.use_resources, ['extralargefile']) def test_memlimit(self): for opt in '-M', '--memlimit': with self.subTest(opt=opt): - ns = libregrtest._parse_args([opt, '4G']) + ns = self.parse_args([opt, '4G']) self.assertEqual(ns.memlimit, '4G') self.checkError([opt], 'expected one argument') def test_testdir(self): - ns = libregrtest._parse_args(['--testdir', 'foo']) + ns = self.parse_args(['--testdir', 'foo']) self.assertEqual(ns.testdir, os.path.join(os_helper.SAVEDCWD, 'foo')) self.checkError(['--testdir'], 'expected one argument') def test_runleaks(self): for opt in '-L', '--runleaks': with self.subTest(opt=opt): - ns = libregrtest._parse_args([opt]) + ns = self.parse_args([opt]) self.assertTrue(ns.runleaks) def test_huntrleaks(self): for opt in '-R', '--huntrleaks': with self.subTest(opt=opt): - ns = libregrtest._parse_args([opt, ':']) + ns = self.parse_args([opt, ':']) self.assertEqual(ns.huntrleaks, (5, 4, 'reflog.txt')) - ns = libregrtest._parse_args([opt, '6:']) + ns = self.parse_args([opt, '6:']) self.assertEqual(ns.huntrleaks, (6, 4, 'reflog.txt')) - ns = libregrtest._parse_args([opt, ':3']) + ns = self.parse_args([opt, ':3']) self.assertEqual(ns.huntrleaks, (5, 3, 'reflog.txt')) - ns = libregrtest._parse_args([opt, '6:3:leaks.log']) + ns = self.parse_args([opt, '6:3:leaks.log']) self.assertEqual(ns.huntrleaks, (6, 3, 'leaks.log')) self.checkError([opt], 'expected one argument') self.checkError([opt, '6'], @@ -272,23 +304,33 @@ def test_huntrleaks(self): def test_multiprocess(self): for opt in '-j', '--multiprocess': with self.subTest(opt=opt): - ns = libregrtest._parse_args([opt, '2']) + ns = self.parse_args([opt, '2']) self.assertEqual(ns.use_mp, 2) self.checkError([opt], 'expected one argument') self.checkError([opt, 'foo'], 'invalid int value') - self.checkError([opt, '2', '-T'], "don't go together") - self.checkError([opt, '0', '-T'], "don't go together") - def test_coverage(self): + def test_coverage_sequential(self): + for opt in '-T', '--coverage': + with self.subTest(opt=opt): + with support.captured_stderr() as stderr: + ns = self.parse_args([opt]) + self.assertTrue(ns.trace) + self.assertIn( + "collecting coverage without -j is imprecise", + stderr.getvalue(), + ) + + @unittest.skipUnless(support.Py_DEBUG, 'need a debug build') + def test_coverage_mp(self): for opt in '-T', '--coverage': with self.subTest(opt=opt): - ns = libregrtest._parse_args([opt]) + ns = self.parse_args([opt, '-j1']) self.assertTrue(ns.trace) def test_coverdir(self): for opt in '-D', '--coverdir': with self.subTest(opt=opt): - ns = libregrtest._parse_args([opt, 'foo']) + ns = self.parse_args([opt, 'foo']) self.assertEqual(ns.coverdir, os.path.join(os_helper.SAVEDCWD, 'foo')) self.checkError([opt], 'expected one argument') @@ -296,13 +338,13 @@ def test_coverdir(self): def test_nocoverdir(self): for opt in '-N', '--nocoverdir': with self.subTest(opt=opt): - ns = libregrtest._parse_args([opt]) + ns = self.parse_args([opt]) self.assertIsNone(ns.coverdir) def test_threshold(self): for opt in '-t', '--threshold': with self.subTest(opt=opt): - ns = libregrtest._parse_args([opt, '1000']) + ns = self.parse_args([opt, '1000']) self.assertEqual(ns.threshold, 1000) self.checkError([opt], 'expected one argument') self.checkError([opt, 'foo'], 'invalid int value') @@ -311,7 +353,7 @@ def test_nowindows(self): for opt in '-n', '--nowindows': with self.subTest(opt=opt): with contextlib.redirect_stderr(io.StringIO()) as stderr: - ns = libregrtest._parse_args([opt]) + ns = self.parse_args([opt]) self.assertTrue(ns.nowindows) err = stderr.getvalue() self.assertIn('the --nowindows (-n) option is deprecated', err) @@ -319,39 +361,39 @@ def test_nowindows(self): def test_forever(self): for opt in '-F', '--forever': with self.subTest(opt=opt): - ns = libregrtest._parse_args([opt]) + ns = self.parse_args([opt]) self.assertTrue(ns.forever) def test_unrecognized_argument(self): self.checkError(['--xxx'], 'usage:') def test_long_option__partial(self): - ns = libregrtest._parse_args(['--qui']) + ns = self.parse_args(['--qui']) self.assertTrue(ns.quiet) self.assertEqual(ns.verbose, 0) def test_two_options(self): - ns = libregrtest._parse_args(['--quiet', '--exclude']) + ns = self.parse_args(['--quiet', '--exclude']) self.assertTrue(ns.quiet) self.assertEqual(ns.verbose, 0) self.assertTrue(ns.exclude) def test_option_with_empty_string_value(self): - ns = libregrtest._parse_args(['--start', '']) + ns = self.parse_args(['--start', '']) self.assertEqual(ns.start, '') def test_arg(self): - ns = libregrtest._parse_args(['foo']) + ns = self.parse_args(['foo']) self.assertEqual(ns.args, ['foo']) def test_option_and_arg(self): - ns = libregrtest._parse_args(['--quiet', 'foo']) + ns = self.parse_args(['--quiet', 'foo']) self.assertTrue(ns.quiet) self.assertEqual(ns.verbose, 0) self.assertEqual(ns.args, ['foo']) def test_arg_option_arg(self): - ns = libregrtest._parse_args(['test_unaryop', '-v', 'test_binop']) + ns = self.parse_args(['test_unaryop', '-v', 'test_binop']) self.assertEqual(ns.verbose, 1) self.assertEqual(ns.args, ['test_unaryop', 'test_binop']) @@ -359,6 +401,100 @@ def test_unknown_option(self): self.checkError(['--unknown-option'], 'unrecognized arguments: --unknown-option') + def create_regrtest(self, args): + ns = cmdline._parse_args(args) + + # Check Regrtest attributes which are more reliable than Namespace + # which has an unclear API + with os_helper.EnvironmentVarGuard() as env: + # Ignore SOURCE_DATE_EPOCH env var if it's set + if 'SOURCE_DATE_EPOCH' in env: + del env['SOURCE_DATE_EPOCH'] + + regrtest = main.Regrtest(ns) + + return regrtest + + def check_ci_mode(self, args, use_resources, rerun=True): + regrtest = self.create_regrtest(args) + self.assertEqual(regrtest.num_workers, -1) + self.assertEqual(regrtest.want_rerun, rerun) + self.assertTrue(regrtest.randomize) + self.assertIsInstance(regrtest.random_seed, int) + self.assertTrue(regrtest.fail_env_changed) + self.assertTrue(regrtest.print_slowest) + self.assertTrue(regrtest.output_on_failure) + self.assertEqual(sorted(regrtest.use_resources), sorted(use_resources)) + return regrtest + + def test_fast_ci(self): + args = ['--fast-ci'] + use_resources = sorted(cmdline.ALL_RESOURCES) + use_resources.remove('cpu') + regrtest = self.check_ci_mode(args, use_resources) + self.assertEqual(regrtest.timeout, 10 * 60) + + def test_fast_ci_python_cmd(self): + args = ['--fast-ci', '--python', 'python -X dev'] + use_resources = sorted(cmdline.ALL_RESOURCES) + use_resources.remove('cpu') + regrtest = self.check_ci_mode(args, use_resources, rerun=False) + self.assertEqual(regrtest.timeout, 10 * 60) + self.assertEqual(regrtest.python_cmd, ('python', '-X', 'dev')) + + def test_fast_ci_resource(self): + # it should be possible to override resources individually + args = ['--fast-ci', '-u-network'] + use_resources = sorted(cmdline.ALL_RESOURCES) + use_resources.remove('cpu') + use_resources.remove('network') + self.check_ci_mode(args, use_resources) + + def test_slow_ci(self): + args = ['--slow-ci'] + use_resources = sorted(cmdline.ALL_RESOURCES) + regrtest = self.check_ci_mode(args, use_resources) + self.assertEqual(regrtest.timeout, 20 * 60) + + def test_dont_add_python_opts(self): + args = ['--dont-add-python-opts'] + ns = cmdline._parse_args(args) + self.assertFalse(ns._add_python_opts) + + def test_bisect(self): + args = ['--bisect'] + regrtest = self.create_regrtest(args) + self.assertTrue(regrtest.want_bisect) + + def test_verbose3_huntrleaks(self): + args = ['-R', '3:10', '--verbose3'] + with support.captured_stderr(): + regrtest = self.create_regrtest(args) + self.assertIsNotNone(regrtest.hunt_refleak) + self.assertEqual(regrtest.hunt_refleak.warmups, 3) + self.assertEqual(regrtest.hunt_refleak.runs, 10) + self.assertFalse(regrtest.output_on_failure) + + def test_single_process(self): + args = ['-j2', '--single-process'] + with support.captured_stderr(): + regrtest = self.create_regrtest(args) + self.assertEqual(regrtest.num_workers, 0) + self.assertTrue(regrtest.single_process) + + args = ['--fast-ci', '--single-process'] + with support.captured_stderr(): + regrtest = self.create_regrtest(args) + self.assertEqual(regrtest.num_workers, 0) + self.assertTrue(regrtest.single_process) + + +@dataclasses.dataclass(slots=True) +class Rerun: + name: str + match: str | None + success: bool + class BaseTestCase(unittest.TestCase): TEST_UNIQUE_ID = 1 @@ -407,8 +543,12 @@ def regex_search(self, regex, output): self.fail("%r not found in %r" % (regex, output)) return match - def check_line(self, output, regex): - regex = re.compile(r'^' + regex, re.MULTILINE) + def check_line(self, output, pattern, full=False, regex=True): + if not regex: + pattern = re.escape(pattern) + if full: + pattern += '\n' + regex = re.compile(r'^' + pattern, re.MULTILINE) self.assertRegex(output, regex) def parse_executed_tests(self, output): @@ -417,31 +557,47 @@ def parse_executed_tests(self, output): parser = re.finditer(regex, output, re.MULTILINE) return list(match.group(1) for match in parser) - def check_executed_tests(self, output, tests, skipped=(), failed=(), + def check_executed_tests(self, output, tests, *, stats, + skipped=(), failed=(), env_changed=(), omitted=(), - rerun=(), no_test_ran=(), - randomize=False, interrupted=False, - fail_env_changed=False): + rerun=None, run_no_tests=(), + resource_denied=(), + randomize=False, parallel=False, interrupted=False, + fail_env_changed=False, + forever=False, filtered=False): if isinstance(tests, str): tests = [tests] if isinstance(skipped, str): skipped = [skipped] + if isinstance(resource_denied, str): + resource_denied = [resource_denied] if isinstance(failed, str): failed = [failed] if isinstance(env_changed, str): env_changed = [env_changed] if isinstance(omitted, str): omitted = [omitted] - if isinstance(rerun, str): - rerun = [rerun] - if isinstance(no_test_ran, str): - no_test_ran = [no_test_ran] + if isinstance(run_no_tests, str): + run_no_tests = [run_no_tests] + if isinstance(stats, int): + stats = TestStats(stats) + if parallel: + randomize = True + + rerun_failed = [] + if rerun is not None and not env_changed: + failed = [rerun.name] + if not rerun.success: + rerun_failed.append(rerun.name) executed = self.parse_executed_tests(output) + total_tests = list(tests) + if rerun is not None: + total_tests.append(rerun.name) if randomize: - self.assertEqual(set(executed), set(tests), output) + self.assertEqual(set(executed), set(total_tests), output) else: - self.assertEqual(executed, tests, output) + self.assertEqual(executed, total_tests, output) def plural(count): return 's' if count != 1 else '' @@ -457,12 +613,17 @@ def list_regex(line_format, tests): regex = list_regex('%s test%s skipped', skipped) self.check_line(output, regex) + if resource_denied: + regex = list_regex(r'%s test%s skipped \(resource denied\)', resource_denied) + self.check_line(output, regex) + if failed: regex = list_regex('%s test%s failed', failed) self.check_line(output, regex) if env_changed: - regex = list_regex('%s test%s altered the execution environment', + regex = list_regex(r'%s test%s altered the execution environment ' + r'\(env changed\)', env_changed) self.check_line(output, regex) @@ -470,73 +631,120 @@ def list_regex(line_format, tests): regex = list_regex('%s test%s omitted', omitted) self.check_line(output, regex) - if rerun: - regex = list_regex('%s re-run test%s', rerun) + if rerun is not None: + regex = list_regex('%s re-run test%s', [rerun.name]) self.check_line(output, regex) - regex = LOG_PREFIX + r"Re-running failed tests in verbose mode" + regex = LOG_PREFIX + r"Re-running 1 failed tests in verbose mode" + self.check_line(output, regex) + regex = fr"Re-running {rerun.name} in verbose mode" + if rerun.match: + regex = fr"{regex} \(matching: {rerun.match}\)" self.check_line(output, regex) - for test_name in rerun: - regex = LOG_PREFIX + f"Re-running {test_name} in verbose mode" - self.check_line(output, regex) - if no_test_ran: - regex = list_regex('%s test%s run no tests', no_test_ran) + if run_no_tests: + regex = list_regex('%s test%s run no tests', run_no_tests) self.check_line(output, regex) - good = (len(tests) - len(skipped) - len(failed) - - len(omitted) - len(env_changed) - len(no_test_ran)) + good = (len(tests) - len(skipped) - len(resource_denied) - len(failed) + - len(omitted) - len(env_changed) - len(run_no_tests)) if good: - regex = r'%s test%s OK\.$' % (good, plural(good)) - if not skipped and not failed and good > 1: + regex = r'%s test%s OK\.' % (good, plural(good)) + if not skipped and not failed and (rerun is None or rerun.success) and good > 1: regex = 'All %s' % regex - self.check_line(output, regex) + self.check_line(output, regex, full=True) if interrupted: self.check_line(output, 'Test suite interrupted by signal SIGINT.') - result = [] + # Total tests + text = f'run={stats.tests_run:,}' + if filtered: + text = fr'{text} \(filtered\)' + parts = [text] + if stats.failures: + parts.append(f'failures={stats.failures:,}') + if stats.skipped: + parts.append(f'skipped={stats.skipped:,}') + line = fr'Total tests: {" ".join(parts)}' + self.check_line(output, line, full=True) + + # Total test files + run = len(total_tests) - len(resource_denied) + if rerun is not None: + total_failed = len(rerun_failed) + total_rerun = 1 + else: + total_failed = len(failed) + total_rerun = 0 + if interrupted: + run = 0 + text = f'run={run}' + if not forever: + text = f'{text}/{len(tests)}' + if filtered: + text = fr'{text} \(filtered\)' + report = [text] + for name, ntest in ( + ('failed', total_failed), + ('env_changed', len(env_changed)), + ('skipped', len(skipped)), + ('resource_denied', len(resource_denied)), + ('rerun', total_rerun), + ('run_no_tests', len(run_no_tests)), + ): + if ntest: + report.append(f'{name}={ntest}') + line = fr'Total test files: {" ".join(report)}' + self.check_line(output, line, full=True) + + # Result + state = [] if failed: - result.append('FAILURE') + state.append('FAILURE') elif fail_env_changed and env_changed: - result.append('ENV CHANGED') + state.append('ENV CHANGED') if interrupted: - result.append('INTERRUPTED') - if not any((good, result, failed, interrupted, skipped, + state.append('INTERRUPTED') + if not any((good, failed, interrupted, skipped, env_changed, fail_env_changed)): - result.append("NO TEST RUN") - elif not result: - result.append('SUCCESS') - result = ', '.join(result) - if rerun: - self.check_line(output, 'Tests result: FAILURE') - result = 'FAILURE then %s' % result - - self.check_line(output, 'Tests result: %s' % result) - - def parse_random_seed(self, output): - match = self.regex_search(r'Using random seed ([0-9]+)', output) - randseed = int(match.group(1)) - self.assertTrue(0 <= randseed <= 10000000, randseed) - return randseed + state.append("NO TESTS RAN") + elif not state: + state.append('SUCCESS') + state = ', '.join(state) + if rerun is not None: + new_state = 'SUCCESS' if rerun.success else 'FAILURE' + state = f'{state} then {new_state}' + self.check_line(output, f'Result: {state}', full=True) + + def parse_random_seed(self, output: str) -> str: + match = self.regex_search(r'Using random seed: (.*)', output) + return match.group(1) def run_command(self, args, input=None, exitcode=0, **kw): if not input: input = '' if 'stderr' not in kw: - kw['stderr'] = subprocess.PIPE + kw['stderr'] = subprocess.STDOUT + + env = kw.pop('env', None) + if env is None: + env = dict(os.environ) + env.pop('SOURCE_DATE_EPOCH', None) + proc = subprocess.run(args, - universal_newlines=True, + text=True, input=input, stdout=subprocess.PIPE, + env=env, **kw) if proc.returncode != exitcode: - msg = ("Command %s failed with exit code %s\n" + msg = ("Command %s failed with exit code %s, but exit code %s expected!\n" "\n" "stdout:\n" "---\n" "%s\n" "---\n" - % (str(args), proc.returncode, proc.stdout)) + % (str(args), proc.returncode, exitcode, proc.stdout)) if proc.stderr: msg += ("\n" "stderr:\n" @@ -548,17 +756,20 @@ def run_command(self, args, input=None, exitcode=0, **kw): return proc def run_python(self, args, **kw): - args = [sys.executable, '-X', 'faulthandler', '-I', *args] + extraargs = [] + if 'uops' in sys._xoptions: + # Pass -X uops along + extraargs.extend(['-X', 'uops']) + args = [sys.executable, *extraargs, '-X', 'faulthandler', '-I', *args] proc = self.run_command(args, **kw) return proc.stdout class CheckActualTests(BaseTestCase): - """ - Check that regrtest appears to find the expected set of tests. - """ - def test_finds_expected_number_of_tests(self): + """ + Check that regrtest appears to find the expected set of tests. + """ args = ['-Wd', '-E', '-bb', '-m', 'test.regrtest', '--list-tests'] output = self.run_python(args) rough_number_of_tests_found = len(output.splitlines()) @@ -575,9 +786,10 @@ def test_finds_expected_number_of_tests(self): self.assertGreater(rough_number_of_tests_found, rough_counted_test_py_files*9//10, msg='Unexpectedly low number of tests found in:\n' - f'{", ".join(output.splitlines())}') + f'{", ".join(output.splitlines())}') +@support.force_not_colorized_test_class class ProgramsTestCase(BaseTestCase): """ Test various ways to run the Python test suite. Use options close @@ -595,17 +807,19 @@ def setUp(self): self.python_args = ['-Wd', '-E', '-bb'] self.regrtest_args = ['-uall', '-rwW', '--testdir=%s' % self.tmptestdir] - if hasattr(faulthandler, 'dump_traceback_later'): - self.regrtest_args.extend(('--timeout', '3600', '-j4')) + self.regrtest_args.extend(('--timeout', '3600', '-j4')) if sys.platform == 'win32': self.regrtest_args.append('-n') def check_output(self, output): - self.parse_random_seed(output) - self.check_executed_tests(output, self.tests, randomize=True) + randseed = self.parse_random_seed(output) + self.assertTrue(randseed.isdigit(), randseed) - def run_tests(self, args): - output = self.run_python(args) + self.check_executed_tests(output, self.tests, + randomize=True, stats=len(self.tests)) + + def run_tests(self, args, env=None): + output = self.run_python(args, env=env) self.check_output(output) def test_script_regrtest(self): @@ -652,14 +866,6 @@ def test_script_autotest(self): args = [*self.python_args, script, *self.regrtest_args, *self.tests] self.run_tests(args) - @unittest.skipUnless(sysconfig.is_python_build(), - 'run_tests.py script is not installed') - def test_tools_script_run_tests(self): - # Tools/scripts/run_tests.py - script = os.path.join(ROOT_DIR, 'Tools', 'scripts', 'run_tests.py') - args = [script, *self.regrtest_args, *self.tests] - self.run_tests(args) - def run_batch(self, *args): proc = self.run_command(args) self.check_output(proc.stdout) @@ -673,10 +879,14 @@ def test_tools_buildbot_test(self): test_args = ['--testdir=%s' % self.tmptestdir] if platform.machine() == 'ARM64': test_args.append('-arm64') # ARM 64-bit build + elif platform.machine() == 'ARM': + test_args.append('-arm32') # 32-bit ARM build elif platform.architecture()[0] == '64bit': test_args.append('-x64') # 64-bit build - if not Py_DEBUG: + if not support.Py_DEBUG: test_args.append('+d') # Release build, use python.exe + if sysconfig.get_config_var("Py_GIL_DISABLED"): + test_args.append('--disable-gil') self.run_batch(script, *test_args, *self.tests) @unittest.skipUnless(sys.platform == 'win32', 'Windows only') @@ -688,13 +898,18 @@ def test_pcbuild_rt(self): rt_args = ["-q"] # Quick, don't run tests twice if platform.machine() == 'ARM64': rt_args.append('-arm64') # ARM 64-bit build + elif platform.machine() == 'ARM': + rt_args.append('-arm32') # 32-bit ARM build elif platform.architecture()[0] == '64bit': rt_args.append('-x64') # 64-bit build - if Py_DEBUG: + if support.Py_DEBUG: rt_args.append('-d') # Debug build, use python_d.exe + if sysconfig.get_config_var("Py_GIL_DISABLED"): + rt_args.append('--disable-gil') self.run_batch(script, *rt_args, *self.regrtest_args, *self.tests) +@support.force_not_colorized_test_class class ArgsTestCase(BaseTestCase): """ Test arguments of the Python test suite. @@ -704,6 +919,40 @@ def run_tests(self, *testargs, **kw): cmdargs = ['-m', 'test', '--testdir=%s' % self.tmptestdir, *testargs] return self.run_python(cmdargs, **kw) + def test_success(self): + code = textwrap.dedent(""" + import unittest + + class PassingTests(unittest.TestCase): + def test_test1(self): + pass + + def test_test2(self): + pass + + def test_test3(self): + pass + """) + tests = [self.create_test(f'ok{i}', code=code) for i in range(1, 6)] + + output = self.run_tests(*tests) + self.check_executed_tests(output, tests, + stats=3 * len(tests)) + + def test_skip(self): + code = textwrap.dedent(""" + import unittest + raise unittest.SkipTest("nope") + """) + test_ok = self.create_test('ok') + test_skip = self.create_test('skip', code=code) + tests = [test_ok, test_skip] + + output = self.run_tests(*tests) + self.check_executed_tests(output, tests, + skipped=[test_skip], + stats=1) + def test_failing_test(self): # test a failing test code = textwrap.dedent(""" @@ -717,8 +966,9 @@ def test_failing(self): test_failing = self.create_test('failing', code=code) tests = [test_ok, test_failing] - output = self.run_tests(*tests, exitcode=2) - self.check_executed_tests(output, tests, failed=test_failing) + output = self.run_tests(*tests, exitcode=EXITCODE_BAD_TEST) + self.check_executed_tests(output, tests, failed=test_failing, + stats=TestStats(2, 1)) def test_resources(self): # test -u command line option @@ -737,17 +987,19 @@ def test_pass(self): # -u all: 2 resources enabled output = self.run_tests('-u', 'all', *test_names) - self.check_executed_tests(output, test_names) + self.check_executed_tests(output, test_names, stats=2) # -u audio: 1 resource enabled output = self.run_tests('-uaudio', *test_names) self.check_executed_tests(output, test_names, - skipped=tests['network']) + resource_denied=tests['network'], + stats=1) # no option: 0 resources enabled - output = self.run_tests(*test_names) + output = self.run_tests(*test_names, exitcode=EXITCODE_NO_TESTS_RAN) self.check_executed_tests(output, test_names, - skipped=test_names) + resource_denied=test_names, + stats=0) def test_random(self): # test -r and --randseed command line option @@ -758,13 +1010,14 @@ def test_random(self): test = self.create_test('random', code) # first run to get the output with the random seed - output = self.run_tests('-r', test) + output = self.run_tests('-r', test, exitcode=EXITCODE_NO_TESTS_RAN) randseed = self.parse_random_seed(output) match = self.regex_search(r'TESTRANDOM: ([0-9]+)', output) test_random = int(match.group(1)) # try to reproduce with the random seed - output = self.run_tests('-r', '--randseed=%s' % randseed, test) + output = self.run_tests('-r', f'--randseed={randseed}', test, + exitcode=EXITCODE_NO_TESTS_RAN) randseed2 = self.parse_random_seed(output) self.assertEqual(randseed2, randseed) @@ -772,6 +1025,35 @@ def test_random(self): test_random2 = int(match.group(1)) self.assertEqual(test_random2, test_random) + # check that random.seed is used by default + output = self.run_tests(test, exitcode=EXITCODE_NO_TESTS_RAN) + randseed = self.parse_random_seed(output) + self.assertTrue(randseed.isdigit(), randseed) + + # check SOURCE_DATE_EPOCH (integer) + timestamp = '1697839080' + env = dict(os.environ, SOURCE_DATE_EPOCH=timestamp) + output = self.run_tests('-r', test, exitcode=EXITCODE_NO_TESTS_RAN, + env=env) + randseed = self.parse_random_seed(output) + self.assertEqual(randseed, timestamp) + self.check_line(output, 'TESTRANDOM: 520') + + # check SOURCE_DATE_EPOCH (string) + env = dict(os.environ, SOURCE_DATE_EPOCH='XYZ') + output = self.run_tests('-r', test, exitcode=EXITCODE_NO_TESTS_RAN, + env=env) + randseed = self.parse_random_seed(output) + self.assertEqual(randseed, 'XYZ') + self.check_line(output, 'TESTRANDOM: 22') + + # check SOURCE_DATE_EPOCH (empty string): ignore the env var + env = dict(os.environ, SOURCE_DATE_EPOCH='') + output = self.run_tests('-r', test, exitcode=EXITCODE_NO_TESTS_RAN, + env=env) + randseed = self.parse_random_seed(output) + self.assertTrue(randseed.isdigit(), randseed) + def test_fromfile(self): # test --fromfile tests = [self.create_test() for index in range(5)] @@ -794,7 +1076,8 @@ def test_fromfile(self): previous = name output = self.run_tests('--fromfile', filename) - self.check_executed_tests(output, tests) + stats = len(tests) + self.check_executed_tests(output, tests, stats=stats) # test format '[2/7] test_opcodes' with open(filename, "w") as fp: @@ -802,7 +1085,7 @@ def test_fromfile(self): print("[%s/%s] %s" % (index, len(tests), name), file=fp) output = self.run_tests('--fromfile', filename) - self.check_executed_tests(output, tests) + self.check_executed_tests(output, tests, stats=stats) # test format 'test_opcodes' with open(filename, "w") as fp: @@ -810,7 +1093,7 @@ def test_fromfile(self): print(name, file=fp) output = self.run_tests('--fromfile', filename) - self.check_executed_tests(output, tests) + self.check_executed_tests(output, tests, stats=stats) # test format 'Lib/test/test_opcodes.py' with open(filename, "w") as fp: @@ -818,29 +1101,25 @@ def test_fromfile(self): print('Lib/test/%s.py' % name, file=fp) output = self.run_tests('--fromfile', filename) - self.check_executed_tests(output, tests) + self.check_executed_tests(output, tests, stats=stats) - # TODO: RUSTPYTHON - @unittest.expectedFailure def test_interrupted(self): code = TEST_INTERRUPTED test = self.create_test('sigint', code=code) - output = self.run_tests(test, exitcode=130) + output = self.run_tests(test, exitcode=EXITCODE_INTERRUPTED) self.check_executed_tests(output, test, omitted=test, - interrupted=True) + interrupted=True, stats=0) def test_slowest(self): # test --slowest tests = [self.create_test() for index in range(3)] output = self.run_tests("--slowest", *tests) - self.check_executed_tests(output, tests) + self.check_executed_tests(output, tests, stats=len(tests)) regex = ('10 slowest tests:\n' '(?:- %s: .*\n){%s}' % (self.TESTNAME_REGEX, len(tests))) self.check_line(output, regex) - # TODO: RUSTPYTHON - @unittest.expectedFailure def test_slowest_interrupted(self): # Issue #25373: test --slowest with an interrupted test code = TEST_INTERRUPTED @@ -852,9 +1131,10 @@ def test_slowest_interrupted(self): args = ("--slowest", "-j2", test) else: args = ("--slowest", test) - output = self.run_tests(*args, exitcode=130) + output = self.run_tests(*args, exitcode=EXITCODE_INTERRUPTED) self.check_executed_tests(output, test, - omitted=test, interrupted=True) + omitted=test, interrupted=True, + stats=0) regex = ('10 slowest tests:\n') self.check_line(output, regex) @@ -865,7 +1145,7 @@ def test_coverage(self): # test --coverage test = self.create_test('coverage') output = self.run_tests("--coverage", test) - self.check_executed_tests(output, [test]) + self.check_executed_tests(output, [test], stats=1) regex = (r'lines +cov% +module +\(path\)\n' r'(?: *[0-9]+ *[0-9]{1,2}% *[^ ]+ +\([^)]+\)+)+') self.check_line(output, regex) @@ -894,21 +1174,39 @@ def test_run(self): builtins.__dict__['RUN'] = 1 """) test = self.create_test('forever', code=code) - output = self.run_tests('--forever', test, exitcode=2) - self.check_executed_tests(output, [test]*3, failed=test) - def check_leak(self, code, what): + # --forever + output = self.run_tests('--forever', test, exitcode=EXITCODE_BAD_TEST) + self.check_executed_tests(output, [test]*3, failed=test, + stats=TestStats(3, 1), + forever=True) + + # --forever --rerun + output = self.run_tests('--forever', '--rerun', test, exitcode=0) + self.check_executed_tests(output, [test]*3, + rerun=Rerun(test, + match='test_run', + success=True), + stats=TestStats(4, 1), + forever=True) + + @without_optimizer + def check_leak(self, code, what, *, run_workers=False): test = self.create_test('huntrleaks', code=code) filename = 'reflog.txt' self.addCleanup(os_helper.unlink, filename) - output = self.run_tests('--huntrleaks', '3:3:', test, - exitcode=2, + cmd = ['--huntrleaks', '3:3:'] + if run_workers: + cmd.append('-j1') + cmd.append(test) + output = self.run_tests(*cmd, + exitcode=EXITCODE_BAD_TEST, stderr=subprocess.STDOUT) - self.check_executed_tests(output, [test], failed=test) + self.check_executed_tests(output, [test], failed=test, stats=1) - line = 'beginning 6 repetitions\n123456\n......\n' - self.check_line(output, re.escape(line)) + line = r'beginning 6 repetitions. .*\n123:456\n[.0-9X]{3} 111\n' + self.check_line(output, line) line2 = '%s leaked [1, 1, 1] %s, sum=3\n' % (test, what) self.assertIn(line2, output) @@ -917,8 +1215,8 @@ def check_leak(self, code, what): reflog = fp.read() self.assertIn(line2, reflog) - @unittest.skipUnless(Py_DEBUG, 'need a debug build') - def test_huntrleaks(self): + @unittest.skipUnless(support.Py_DEBUG, 'need a debug build') + def check_huntrleaks(self, *, run_workers: bool): # test --huntrleaks code = textwrap.dedent(""" import unittest @@ -929,9 +1227,56 @@ class RefLeakTest(unittest.TestCase): def test_leak(self): GLOBAL_LIST.append(object()) """) - self.check_leak(code, 'references') + self.check_leak(code, 'references', run_workers=run_workers) + + def test_huntrleaks(self): + self.check_huntrleaks(run_workers=False) + + def test_huntrleaks_mp(self): + self.check_huntrleaks(run_workers=True) + + @unittest.skipUnless(support.Py_DEBUG, 'need a debug build') + def test_huntrleaks_bisect(self): + # test --huntrleaks --bisect + code = textwrap.dedent(""" + import unittest + + GLOBAL_LIST = [] + + class RefLeakTest(unittest.TestCase): + def test1(self): + pass + + def test2(self): + pass + + def test3(self): + GLOBAL_LIST.append(object()) + + def test4(self): + pass + """) - @unittest.skipUnless(Py_DEBUG, 'need a debug build') + test = self.create_test('huntrleaks', code=code) + + filename = 'reflog.txt' + self.addCleanup(os_helper.unlink, filename) + cmd = ['--huntrleaks', '3:3:', '--bisect', test] + output = self.run_tests(*cmd, + exitcode=EXITCODE_BAD_TEST, + stderr=subprocess.STDOUT) + + self.assertIn(f"Bisect {test}", output) + self.assertIn(f"Bisect {test}: exit code 0", output) + + # test3 is the one which leaks + self.assertIn("Bisection completed in", output) + self.assertIn( + "Tests (1):\n" + f"* {test}.RefLeakTest.test3\n", + output) + + @unittest.skipUnless(support.Py_DEBUG, 'need a debug build') def test_huntrleaks_fd_leak(self): # test --huntrleaks for file descriptor leak code = textwrap.dedent(""" @@ -987,16 +1332,14 @@ def test_crashed(self): crash_test = self.create_test(name="crash", code=code) tests = [crash_test] - output = self.run_tests("-j2", *tests, exitcode=2) + output = self.run_tests("-j2", *tests, exitcode=EXITCODE_BAD_TEST) self.check_executed_tests(output, tests, failed=crash_test, - randomize=True) + parallel=True, stats=0) def parse_methods(self, output): regex = re.compile("^(test[^ ]+).*ok$", flags=re.MULTILINE) return [match.group(1) for match in regex.finditer(output)] - # TODO: RUSTPYTHON - @unittest.expectedFailure def test_ignorefile(self): code = textwrap.dedent(""" import unittest @@ -1011,8 +1354,6 @@ def test_method3(self): def test_method4(self): pass """) - all_methods = ['test_method1', 'test_method2', - 'test_method3', 'test_method4'] testname = self.create_test(code=code) # only run a subset @@ -1088,52 +1429,267 @@ def test_env_changed(self): # don't fail by default output = self.run_tests(testname) - self.check_executed_tests(output, [testname], env_changed=testname) + self.check_executed_tests(output, [testname], + env_changed=testname, stats=1) # fail with --fail-env-changed - output = self.run_tests("--fail-env-changed", testname, exitcode=3) + output = self.run_tests("--fail-env-changed", testname, + exitcode=EXITCODE_ENV_CHANGED) self.check_executed_tests(output, [testname], env_changed=testname, - fail_env_changed=True) + fail_env_changed=True, stats=1) + + # rerun + output = self.run_tests("--rerun", testname) + self.check_executed_tests(output, [testname], + env_changed=testname, + rerun=Rerun(testname, + match=None, + success=True), + stats=2) - # TODO: RUSTPYTHON - @unittest.expectedFailure def test_rerun_fail(self): # FAILURE then FAILURE code = textwrap.dedent(""" import unittest class Tests(unittest.TestCase): - def test_bug(self): - # test always fail + def test_succeed(self): + return + + def test_fail_always(self): + # test that always fails self.fail("bug") """) testname = self.create_test(code=code) - output = self.run_tests("-w", testname, exitcode=2) + output = self.run_tests("--rerun", testname, exitcode=EXITCODE_BAD_TEST) self.check_executed_tests(output, [testname], - failed=testname, rerun=testname) + rerun=Rerun(testname, + "test_fail_always", + success=False), + stats=TestStats(3, 2)) # TODO: RUSTPYTHON @unittest.expectedFailure def test_rerun_success(self): # FAILURE then SUCCESS - code = textwrap.dedent(""" - import builtins + marker_filename = os.path.abspath("regrtest_marker_filename") + self.addCleanup(os_helper.unlink, marker_filename) + self.assertFalse(os.path.exists(marker_filename)) + + code = textwrap.dedent(f""" + import os.path import unittest + marker_filename = {marker_filename!r} + class Tests(unittest.TestCase): - failed = False + def test_succeed(self): + return def test_fail_once(self): - if not hasattr(builtins, '_test_failed'): - builtins._test_failed = True + if not os.path.exists(marker_filename): + open(marker_filename, "w").close() self.fail("bug") """) testname = self.create_test(code=code) - output = self.run_tests("-w", testname, exitcode=0) + # FAILURE then SUCCESS => exit code 0 + output = self.run_tests("--rerun", testname, exitcode=0) + self.check_executed_tests(output, [testname], + rerun=Rerun(testname, + match="test_fail_once", + success=True), + stats=TestStats(3, 1)) + os_helper.unlink(marker_filename) + + # with --fail-rerun, exit code EXITCODE_RERUN_FAIL + # on "FAILURE then SUCCESS" state. + output = self.run_tests("--rerun", "--fail-rerun", testname, + exitcode=EXITCODE_RERUN_FAIL) + self.check_executed_tests(output, [testname], + rerun=Rerun(testname, + match="test_fail_once", + success=True), + stats=TestStats(3, 1)) + os_helper.unlink(marker_filename) + + def test_rerun_setup_class_hook_failure(self): + # FAILURE then FAILURE + code = textwrap.dedent(""" + import unittest + + class ExampleTests(unittest.TestCase): + @classmethod + def setUpClass(self): + raise RuntimeError('Fail') + + def test_success(self): + return + """) + testname = self.create_test(code=code) + + output = self.run_tests("--rerun", testname, exitcode=EXITCODE_BAD_TEST) + self.check_executed_tests(output, testname, + failed=[testname], + rerun=Rerun(testname, + match="ExampleTests", + success=False), + stats=0) + + def test_rerun_teardown_class_hook_failure(self): + # FAILURE then FAILURE + code = textwrap.dedent(""" + import unittest + + class ExampleTests(unittest.TestCase): + @classmethod + def tearDownClass(self): + raise RuntimeError('Fail') + + def test_success(self): + return + """) + testname = self.create_test(code=code) + + output = self.run_tests("--rerun", testname, exitcode=EXITCODE_BAD_TEST) + self.check_executed_tests(output, testname, + failed=[testname], + rerun=Rerun(testname, + match="ExampleTests", + success=False), + stats=2) + + def test_rerun_setup_module_hook_failure(self): + # FAILURE then FAILURE + code = textwrap.dedent(""" + import unittest + + def setUpModule(): + raise RuntimeError('Fail') + + class ExampleTests(unittest.TestCase): + def test_success(self): + return + """) + testname = self.create_test(code=code) + + output = self.run_tests("--rerun", testname, exitcode=EXITCODE_BAD_TEST) + self.check_executed_tests(output, testname, + failed=[testname], + rerun=Rerun(testname, + match=None, + success=False), + stats=0) + + def test_rerun_teardown_module_hook_failure(self): + # FAILURE then FAILURE + code = textwrap.dedent(""" + import unittest + + def tearDownModule(): + raise RuntimeError('Fail') + + class ExampleTests(unittest.TestCase): + def test_success(self): + return + """) + testname = self.create_test(code=code) + + output = self.run_tests("--rerun", testname, exitcode=EXITCODE_BAD_TEST) self.check_executed_tests(output, [testname], - rerun=testname) + failed=[testname], + rerun=Rerun(testname, + match=None, + success=False), + stats=2) + + def test_rerun_setup_hook_failure(self): + # FAILURE then FAILURE + code = textwrap.dedent(""" + import unittest + + class ExampleTests(unittest.TestCase): + def setUp(self): + raise RuntimeError('Fail') + + def test_success(self): + return + """) + testname = self.create_test(code=code) + + output = self.run_tests("--rerun", testname, exitcode=EXITCODE_BAD_TEST) + self.check_executed_tests(output, testname, + failed=[testname], + rerun=Rerun(testname, + match="test_success", + success=False), + stats=2) + + def test_rerun_teardown_hook_failure(self): + # FAILURE then FAILURE + code = textwrap.dedent(""" + import unittest + + class ExampleTests(unittest.TestCase): + def tearDown(self): + raise RuntimeError('Fail') + + def test_success(self): + return + """) + testname = self.create_test(code=code) + + output = self.run_tests("--rerun", testname, exitcode=EXITCODE_BAD_TEST) + self.check_executed_tests(output, testname, + failed=[testname], + rerun=Rerun(testname, + match="test_success", + success=False), + stats=2) + + def test_rerun_async_setup_hook_failure(self): + # FAILURE then FAILURE + code = textwrap.dedent(""" + import unittest + + class ExampleTests(unittest.IsolatedAsyncioTestCase): + async def asyncSetUp(self): + raise RuntimeError('Fail') + + async def test_success(self): + return + """) + testname = self.create_test(code=code) + + output = self.run_tests("--rerun", testname, exitcode=EXITCODE_BAD_TEST) + self.check_executed_tests(output, testname, + rerun=Rerun(testname, + match="test_success", + success=False), + stats=2) + + def test_rerun_async_teardown_hook_failure(self): + # FAILURE then FAILURE + code = textwrap.dedent(""" + import unittest + + class ExampleTests(unittest.IsolatedAsyncioTestCase): + async def asyncTearDown(self): + raise RuntimeError('Fail') + + async def test_success(self): + return + """) + testname = self.create_test(code=code) + + output = self.run_tests("--rerun", testname, exitcode=EXITCODE_BAD_TEST) + self.check_executed_tests(output, testname, + failed=[testname], + rerun=Rerun(testname, + match="test_success", + success=False), + stats=2) def test_no_tests_ran(self): code = textwrap.dedent(""" @@ -1145,8 +1701,11 @@ def test_bug(self): """) testname = self.create_test(code=code) - output = self.run_tests(testname, "-m", "nosuchtest", exitcode=0) - self.check_executed_tests(output, [testname], no_test_ran=testname) + output = self.run_tests(testname, "-m", "nosuchtest", + exitcode=EXITCODE_NO_TESTS_RAN) + self.check_executed_tests(output, [testname], + run_no_tests=testname, + stats=0, filtered=True) def test_no_tests_ran_skip(self): code = textwrap.dedent(""" @@ -1158,8 +1717,9 @@ def test_skipped(self): """) testname = self.create_test(code=code) - output = self.run_tests(testname, exitcode=0) - self.check_executed_tests(output, [testname]) + output = self.run_tests(testname) + self.check_executed_tests(output, [testname], + stats=TestStats(1, skipped=1)) def test_no_tests_ran_multiple_tests_nonexistent(self): code = textwrap.dedent(""" @@ -1172,9 +1732,11 @@ def test_bug(self): testname = self.create_test(code=code) testname2 = self.create_test(code=code) - output = self.run_tests(testname, testname2, "-m", "nosuchtest", exitcode=0) + output = self.run_tests(testname, testname2, "-m", "nosuchtest", + exitcode=EXITCODE_NO_TESTS_RAN) self.check_executed_tests(output, [testname, testname2], - no_test_ran=[testname, testname2]) + run_no_tests=[testname, testname2], + stats=0, filtered=True) def test_no_test_ran_some_test_exist_some_not(self): code = textwrap.dedent(""" @@ -1197,10 +1759,15 @@ def test_other_bug(self): output = self.run_tests(testname, testname2, "-m", "nosuchtest", "-m", "test_other_bug", exitcode=0) self.check_executed_tests(output, [testname, testname2], - no_test_ran=[testname]) + run_no_tests=[testname], + stats=1, filtered=True) @support.cpython_only - def test_findleaks(self): + def test_uncollectable(self): + try: + import _testcapi + except ImportError: + raise unittest.SkipTest("requires _testcapi") code = textwrap.dedent(r""" import _testcapi import gc @@ -1220,19 +1787,13 @@ def test_garbage(self): """) testname = self.create_test(code=code) - output = self.run_tests("--fail-env-changed", testname, exitcode=3) + output = self.run_tests("--fail-env-changed", testname, + exitcode=EXITCODE_ENV_CHANGED) self.check_executed_tests(output, [testname], env_changed=[testname], - fail_env_changed=True) + fail_env_changed=True, + stats=1) - # --findleaks is now basically an alias to --fail-env-changed - output = self.run_tests("--findleaks", testname, exitcode=3) - self.check_executed_tests(output, [testname], - env_changed=[testname], - fail_env_changed=True) - - # TODO: RUSTPYTHON - @unittest.expectedFailure def test_multiprocessing_timeout(self): code = textwrap.dedent(r""" import time @@ -1254,14 +1815,130 @@ def test_sleep(self): """) testname = self.create_test(code=code) - output = self.run_tests("-j2", "--timeout=1.0", testname, exitcode=2) + output = self.run_tests("-j2", "--timeout=1.0", testname, + exitcode=EXITCODE_BAD_TEST) self.check_executed_tests(output, [testname], - failed=testname) + failed=testname, stats=0) self.assertRegex(output, re.compile('%s timed out' % testname, re.MULTILINE)) - # TODO: RUSTPYTHON - @unittest.expectedFailure + def test_unraisable_exc(self): + # --fail-env-changed must catch unraisable exception. + # The exception must be displayed even if sys.stderr is redirected. + code = textwrap.dedent(r""" + import unittest + import weakref + from test.support import captured_stderr + + class MyObject: + pass + + def weakref_callback(obj): + raise Exception("weakref callback bug") + + class Tests(unittest.TestCase): + def test_unraisable_exc(self): + obj = MyObject() + ref = weakref.ref(obj, weakref_callback) + with captured_stderr() as stderr: + # call weakref_callback() which logs + # an unraisable exception + obj = None + self.assertEqual(stderr.getvalue(), '') + """) + testname = self.create_test(code=code) + + output = self.run_tests("--fail-env-changed", "-v", testname, + exitcode=EXITCODE_ENV_CHANGED) + self.check_executed_tests(output, [testname], + env_changed=[testname], + fail_env_changed=True, + stats=1) + self.assertIn("Warning -- Unraisable exception", output) + self.assertIn("Exception: weakref callback bug", output) + + def test_threading_excepthook(self): + # --fail-env-changed must catch uncaught thread exception. + # The exception must be displayed even if sys.stderr is redirected. + code = textwrap.dedent(r""" + import threading + import unittest + from test.support import captured_stderr + + class MyObject: + pass + + def func_bug(): + raise Exception("bug in thread") + + class Tests(unittest.TestCase): + def test_threading_excepthook(self): + with captured_stderr() as stderr: + thread = threading.Thread(target=func_bug) + thread.start() + thread.join() + self.assertEqual(stderr.getvalue(), '') + """) + testname = self.create_test(code=code) + + output = self.run_tests("--fail-env-changed", "-v", testname, + exitcode=EXITCODE_ENV_CHANGED) + self.check_executed_tests(output, [testname], + env_changed=[testname], + fail_env_changed=True, + stats=1) + self.assertIn("Warning -- Uncaught thread exception", output) + self.assertIn("Exception: bug in thread", output) + + def test_print_warning(self): + # bpo-45410: The order of messages must be preserved when -W and + # support.print_warning() are used. + code = textwrap.dedent(r""" + import sys + import unittest + from test import support + + class MyObject: + pass + + def func_bug(): + raise Exception("bug in thread") + + class Tests(unittest.TestCase): + def test_print_warning(self): + print("msg1: stdout") + support.print_warning("msg2: print_warning") + # Fail with ENV CHANGED to see print_warning() log + support.environment_altered = True + """) + testname = self.create_test(code=code) + + # Expect an output like: + # + # test_threading_excepthook (test.test_x.Tests) ... msg1: stdout + # Warning -- msg2: print_warning + # ok + regex = (r"test_print_warning.*msg1: stdout\n" + r"Warning -- msg2: print_warning\n" + r"ok\n") + for option in ("-v", "-W"): + with self.subTest(option=option): + cmd = ["--fail-env-changed", option, testname] + output = self.run_tests(*cmd, exitcode=EXITCODE_ENV_CHANGED) + self.check_executed_tests(output, [testname], + env_changed=[testname], + fail_env_changed=True, + stats=1) + self.assertRegex(output, regex) + + def test_unicode_guard_env(self): + guard = os.environ.get(setup.UNICODE_GUARD_ENV) + self.assertIsNotNone(guard, f"{setup.UNICODE_GUARD_ENV} not set") + if guard.isascii(): + # Skip to signify that the env var value was changed by the user; + # possibly to something ASCII to work around Unicode issues. + self.skipTest("Modified guard") + def test_cleanup(self): dirname = os.path.join(self.tmptestdir, "test_python_123") os.mkdir(dirname) @@ -1277,10 +1954,368 @@ def test_cleanup(self): for name in names: self.assertFalse(os.path.exists(name), name) + @unittest.skipIf(support.is_wasi, + 'checking temp files is not implemented on WASI') + def test_leak_tmp_file(self): + code = textwrap.dedent(r""" + import os.path + import tempfile + import unittest -class TestUtils(unittest.TestCase): - # TODO: RUSTPYTHON + class FileTests(unittest.TestCase): + def test_leak_tmp_file(self): + filename = os.path.join(tempfile.gettempdir(), 'mytmpfile') + with open(filename, "wb") as fp: + fp.write(b'content') + """) + testnames = [self.create_test(code=code) for _ in range(3)] + + output = self.run_tests("--fail-env-changed", "-v", "-j2", *testnames, + exitcode=EXITCODE_ENV_CHANGED) + self.check_executed_tests(output, testnames, + env_changed=testnames, + fail_env_changed=True, + parallel=True, + stats=len(testnames)) + for testname in testnames: + self.assertIn(f"Warning -- {testname} leaked temporary " + f"files (1): mytmpfile", + output) + + def test_worker_decode_error(self): + # gh-109425: Use "backslashreplace" error handler to decode stdout. + if sys.platform == 'win32': + encoding = locale.getencoding() + else: + encoding = sys.stdout.encoding + if encoding is None: + encoding = sys.__stdout__.encoding + if encoding is None: + self.skipTest("cannot get regrtest worker encoding") + + nonascii = bytes(ch for ch in range(128, 256)) + corrupted_output = b"nonascii:%s\n" % (nonascii,) + # gh-108989: On Windows, assertion errors are written in UTF-16: when + # decoded each letter is follow by a NUL character. + assertion_failed = 'Assertion failed: tstate_is_alive(tstate)\n' + corrupted_output += assertion_failed.encode('utf-16-le') + try: + corrupted_output.decode(encoding) + except UnicodeDecodeError: + pass + else: + self.skipTest(f"{encoding} can decode non-ASCII bytes") + + expected_line = corrupted_output.decode(encoding, 'backslashreplace') + + code = textwrap.dedent(fr""" + import sys + import unittest + + class Tests(unittest.TestCase): + def test_pass(self): + pass + + # bytes which cannot be decoded from UTF-8 + corrupted_output = {corrupted_output!a} + sys.stdout.buffer.write(corrupted_output) + sys.stdout.buffer.flush() + """) + testname = self.create_test(code=code) + + output = self.run_tests("--fail-env-changed", "-v", "-j1", testname) + self.check_executed_tests(output, [testname], + parallel=True, + stats=1) + self.check_line(output, expected_line, regex=False) + + # TODO: RUSTPYTHOn @unittest.expectedFailure + def test_doctest(self): + code = textwrap.dedent(r''' + import doctest + import sys + from test import support + + def my_function(): + """ + Pass: + + >>> 1 + 1 + 2 + + Failure: + + >>> 2 + 3 + 23 + >>> 1 + 1 + 11 + + Skipped test (ignored): + + >>> id(1.0) # doctest: +SKIP + 7948648 + """ + + def load_tests(loader, tests, pattern): + tests.addTest(doctest.DocTestSuite()) + return tests + ''') + testname = self.create_test(code=code) + + output = self.run_tests("--fail-env-changed", "-v", "-j1", testname, + exitcode=EXITCODE_BAD_TEST) + self.check_executed_tests(output, [testname], + failed=[testname], + parallel=True, + stats=TestStats(1, 1, 0)) + + def _check_random_seed(self, run_workers: bool): + # gh-109276: When -r/--randomize is used, random.seed() is called + # with the same random seed before running each test file. + code = textwrap.dedent(r''' + import random + import unittest + + class RandomSeedTest(unittest.TestCase): + def test_randint(self): + numbers = [random.randint(0, 1000) for _ in range(10)] + print(f"Random numbers: {numbers}") + ''') + tests = [self.create_test(name=f'test_random{i}', code=code) + for i in range(1, 3+1)] + + random_seed = 856_656_202 + cmd = ["--randomize", f"--randseed={random_seed}"] + if run_workers: + # run as many worker processes than the number of tests + cmd.append(f'-j{len(tests)}') + cmd.extend(tests) + output = self.run_tests(*cmd) + + random.seed(random_seed) + # Make the assumption that nothing consume entropy between libregrest + # setup_tests() which calls random.seed() and RandomSeedTest calling + # random.randint(). + numbers = [random.randint(0, 1000) for _ in range(10)] + expected = f"Random numbers: {numbers}" + + regex = r'^Random numbers: .*$' + matches = re.findall(regex, output, flags=re.MULTILINE) + self.assertEqual(matches, [expected] * len(tests)) + + def test_random_seed(self): + self._check_random_seed(run_workers=False) + + def test_random_seed_workers(self): + self._check_random_seed(run_workers=True) + + def test_python_command(self): + code = textwrap.dedent(r""" + import sys + import unittest + + class WorkerTests(unittest.TestCase): + def test_dev_mode(self): + self.assertTrue(sys.flags.dev_mode) + """) + tests = [self.create_test(code=code) for _ in range(3)] + + # Custom Python command: "python -X dev" + python_cmd = [sys.executable, '-X', 'dev'] + # test.libregrtest.cmdline uses shlex.split() to parse the Python + # command line string + python_cmd = shlex.join(python_cmd) + + output = self.run_tests("--python", python_cmd, "-j0", *tests) + self.check_executed_tests(output, tests, + stats=len(tests), parallel=True) + + def test_unload_tests(self): + # Test that unloading test modules does not break tests + # that import from other tests. + # The test execution order matters for this test. + # Both test_regrtest_a and test_regrtest_c which are executed before + # and after test_regrtest_b import a submodule from the test_regrtest_b + # package and use it in testing. test_regrtest_b itself does not import + # that submodule. + # Previously test_regrtest_c failed because test_regrtest_b.util in + # sys.modules was left after test_regrtest_a (making the import + # statement no-op), but new test_regrtest_b without the util attribute + # was imported for test_regrtest_b. + testdir = os.path.join(os.path.dirname(__file__), + 'regrtestdata', 'import_from_tests') + tests = [f'test_regrtest_{name}' for name in ('a', 'b', 'c')] + args = ['-Wd', '-E', '-bb', '-m', 'test', '--testdir=%s' % testdir, *tests] + output = self.run_python(args) + self.check_executed_tests(output, tests, stats=3) + + def check_add_python_opts(self, option): + # --fast-ci and --slow-ci add "-u -W default -bb -E" options to Python + try: + import _testinternalcapi + except ImportError: + raise unittest.SkipTest("requires _testinternalcapi") + code = textwrap.dedent(r""" + import sys + import unittest + from test import support + try: + from _testinternalcapi import get_config + except ImportError: + get_config = None + + # WASI/WASM buildbots don't use -E option + use_environment = (support.is_emscripten or support.is_wasi) + + class WorkerTests(unittest.TestCase): + @unittest.skipUnless(get_config is None, 'need get_config()') + def test_config(self): + config = get_config()['config'] + # -u option + self.assertEqual(config['buffered_stdio'], 0) + # -W default option + self.assertTrue(config['warnoptions'], ['default']) + # -bb option + self.assertTrue(config['bytes_warning'], 2) + # -E option + self.assertTrue(config['use_environment'], use_environment) + + def test_python_opts(self): + # -u option + self.assertTrue(sys.__stdout__.write_through) + self.assertTrue(sys.__stderr__.write_through) + + # -W default option + self.assertTrue(sys.warnoptions, ['default']) + + # -bb option + self.assertEqual(sys.flags.bytes_warning, 2) + + # -E option + self.assertEqual(not sys.flags.ignore_environment, + use_environment) + """) + testname = self.create_test(code=code) + + # Use directly subprocess to control the exact command line + cmd = [sys.executable, + "-m", "test", option, + f'--testdir={self.tmptestdir}', + testname] + proc = subprocess.run(cmd, + stdout=subprocess.PIPE, + stderr=subprocess.STDOUT, + text=True) + self.assertEqual(proc.returncode, 0, proc) + + def test_add_python_opts(self): + for opt in ("--fast-ci", "--slow-ci"): + with self.subTest(opt=opt): + self.check_add_python_opts(opt) + + # gh-76319: Raising SIGSEGV on Android may not cause a crash. + @unittest.skipIf(support.is_android, + 'raising SIGSEGV on Android is unreliable') + def test_worker_output_on_failure(self): + try: + from faulthandler import _sigsegv + except ImportError: + self.skipTest("need faulthandler._sigsegv") + + code = textwrap.dedent(r""" + import faulthandler + import unittest + from test import support + + class CrashTests(unittest.TestCase): + def test_crash(self): + print("just before crash!", flush=True) + + with support.SuppressCrashReport(): + faulthandler._sigsegv(True) + """) + testname = self.create_test(code=code) + + # Sanitizers must not handle SIGSEGV (ex: for test_enable_fd()) + env = dict(os.environ) + option = 'handle_segv=0' + support.set_sanitizer_env_var(env, option) + + output = self.run_tests("-j1", testname, + exitcode=EXITCODE_BAD_TEST, + env=env) + self.check_executed_tests(output, testname, + failed=[testname], + stats=0, parallel=True) + if not support.MS_WINDOWS: + exitcode = -int(signal.SIGSEGV) + self.assertIn(f"Exit code {exitcode} (SIGSEGV)", output) + self.check_line(output, "just before crash!", full=True, regex=False) + + def test_verbose3(self): + code = textwrap.dedent(r""" + import unittest + from test import support + + class VerboseTests(unittest.TestCase): + def test_pass(self): + print("SPAM SPAM SPAM") + """) + testname = self.create_test(code=code) + + # Run sequentially + output = self.run_tests("--verbose3", testname) + self.check_executed_tests(output, testname, stats=1) + self.assertNotIn('SPAM SPAM SPAM', output) + + # -R option needs a debug build + if support.Py_DEBUG: + # Check for reference leaks, run in parallel + output = self.run_tests("-R", "3:3", "-j1", "--verbose3", testname) + self.check_executed_tests(output, testname, stats=1, parallel=True) + self.assertNotIn('SPAM SPAM SPAM', output) + + def test_xml(self): + code = textwrap.dedent(r""" + import unittest + from test import support + + class VerboseTests(unittest.TestCase): + def test_failed(self): + print("abc \x1b def") + self.fail() + """) + testname = self.create_test(code=code) + + # Run sequentially + filename = os_helper.TESTFN + self.addCleanup(os_helper.unlink, filename) + + output = self.run_tests(testname, "--junit-xml", filename, + exitcode=EXITCODE_BAD_TEST) + self.check_executed_tests(output, testname, + failed=testname, + stats=TestStats(1, 1, 0)) + + # Test generated XML + with open(filename, encoding="utf8") as fp: + content = fp.read() + + testsuite = ElementTree.fromstring(content) + self.assertEqual(int(testsuite.get('tests')), 1) + self.assertEqual(int(testsuite.get('errors')), 0) + self.assertEqual(int(testsuite.get('failures')), 1) + + testcase = testsuite[0][0] + self.assertEqual(testcase.get('status'), 'run') + self.assertEqual(testcase.get('result'), 'completed') + self.assertGreater(float(testcase.get('time')), 0) + for out in testcase.iter('system-out'): + self.assertEqual(out.text, r"abc \x1b def") + + +class TestUtils(unittest.TestCase): def test_format_duration(self): self.assertEqual(utils.format_duration(0), '0 ms') @@ -1303,6 +2338,184 @@ def test_format_duration(self): self.assertEqual(utils.format_duration(3 * 3600 + 1), '3 hour 1 sec') + def test_normalize_test_name(self): + normalize = normalize_test_name + self.assertEqual(normalize('test_access (test.test_os.FileTests.test_access)'), + 'test_access') + self.assertEqual(normalize('setUpClass (test.test_os.ChownFileTests)', is_error=True), + 'ChownFileTests') + self.assertEqual(normalize('test_success (test.test_bug.ExampleTests.test_success)', is_error=True), + 'test_success') + self.assertIsNone(normalize('setUpModule (test.test_x)', is_error=True)) + self.assertIsNone(normalize('tearDownModule (test.test_module)', is_error=True)) + + def test_get_signal_name(self): + for exitcode, expected in ( + (-int(signal.SIGINT), 'SIGINT'), + (-int(signal.SIGSEGV), 'SIGSEGV'), + (128 + int(signal.SIGABRT), 'SIGABRT'), + (3221225477, "STATUS_ACCESS_VIOLATION"), + (0xC00000FD, "STATUS_STACK_OVERFLOW"), + ): + self.assertEqual(utils.get_signal_name(exitcode), expected, exitcode) + + def test_format_resources(self): + format_resources = utils.format_resources + ALL_RESOURCES = utils.ALL_RESOURCES + self.assertEqual( + format_resources(("network",)), + 'resources (1): network') + self.assertEqual( + format_resources(("audio", "decimal", "network")), + 'resources (3): audio,decimal,network') + self.assertEqual( + format_resources(ALL_RESOURCES), + 'resources: all') + self.assertEqual( + format_resources(tuple(name for name in ALL_RESOURCES + if name != "cpu")), + 'resources: all,-cpu') + self.assertEqual( + format_resources((*ALL_RESOURCES, "tzdata")), + 'resources: all,tzdata') + + def test_match_test(self): + class Test: + def __init__(self, test_id): + self.test_id = test_id + + def id(self): + return self.test_id + + # Restore patterns once the test completes + patterns = get_match_tests() + self.addCleanup(set_match_tests, patterns) + + test_access = Test('test.test_os.FileTests.test_access') + test_chdir = Test('test.test_os.Win32ErrorTests.test_chdir') + test_copy = Test('test.test_shutil.TestCopy.test_copy') + + # Test acceptance + with support.swap_attr(support, '_test_matchers', ()): + # match all + set_match_tests([]) + self.assertTrue(match_test(test_access)) + self.assertTrue(match_test(test_chdir)) + + # match all using None + set_match_tests(None) + self.assertTrue(match_test(test_access)) + self.assertTrue(match_test(test_chdir)) + + # match the full test identifier + set_match_tests([(test_access.id(), True)]) + self.assertTrue(match_test(test_access)) + self.assertFalse(match_test(test_chdir)) + + # match the module name + set_match_tests([('test_os', True)]) + self.assertTrue(match_test(test_access)) + self.assertTrue(match_test(test_chdir)) + self.assertFalse(match_test(test_copy)) + + # Test '*' pattern + set_match_tests([('test_*', True)]) + self.assertTrue(match_test(test_access)) + self.assertTrue(match_test(test_chdir)) + + # Test case sensitivity + set_match_tests([('filetests', True)]) + self.assertFalse(match_test(test_access)) + set_match_tests([('FileTests', True)]) + self.assertTrue(match_test(test_access)) + + # Test pattern containing '.' and a '*' metacharacter + set_match_tests([('*test_os.*.test_*', True)]) + self.assertTrue(match_test(test_access)) + self.assertTrue(match_test(test_chdir)) + self.assertFalse(match_test(test_copy)) + + # Multiple patterns + set_match_tests([(test_access.id(), True), (test_chdir.id(), True)]) + self.assertTrue(match_test(test_access)) + self.assertTrue(match_test(test_chdir)) + self.assertFalse(match_test(test_copy)) + + set_match_tests([('test_access', True), ('DONTMATCH', True)]) + self.assertTrue(match_test(test_access)) + self.assertFalse(match_test(test_chdir)) + + # Test rejection + with support.swap_attr(support, '_test_matchers', ()): + # match the full test identifier + set_match_tests([(test_access.id(), False)]) + self.assertFalse(match_test(test_access)) + self.assertTrue(match_test(test_chdir)) + + # match the module name + set_match_tests([('test_os', False)]) + self.assertFalse(match_test(test_access)) + self.assertFalse(match_test(test_chdir)) + self.assertTrue(match_test(test_copy)) + + # Test '*' pattern + set_match_tests([('test_*', False)]) + self.assertFalse(match_test(test_access)) + self.assertFalse(match_test(test_chdir)) + + # Test case sensitivity + set_match_tests([('filetests', False)]) + self.assertTrue(match_test(test_access)) + set_match_tests([('FileTests', False)]) + self.assertFalse(match_test(test_access)) + + # Test pattern containing '.' and a '*' metacharacter + set_match_tests([('*test_os.*.test_*', False)]) + self.assertFalse(match_test(test_access)) + self.assertFalse(match_test(test_chdir)) + self.assertTrue(match_test(test_copy)) + + # Multiple patterns + set_match_tests([(test_access.id(), False), (test_chdir.id(), False)]) + self.assertFalse(match_test(test_access)) + self.assertFalse(match_test(test_chdir)) + self.assertTrue(match_test(test_copy)) + + set_match_tests([('test_access', False), ('DONTMATCH', False)]) + self.assertFalse(match_test(test_access)) + self.assertTrue(match_test(test_chdir)) + + # Test mixed filters + with support.swap_attr(support, '_test_matchers', ()): + set_match_tests([('*test_os', False), ('test_access', True)]) + self.assertTrue(match_test(test_access)) + self.assertFalse(match_test(test_chdir)) + self.assertTrue(match_test(test_copy)) + + set_match_tests([('*test_os', True), ('test_access', False)]) + self.assertFalse(match_test(test_access)) + self.assertTrue(match_test(test_chdir)) + self.assertFalse(match_test(test_copy)) + + def test_sanitize_xml(self): + sanitize_xml = utils.sanitize_xml + + # escape invalid XML characters + self.assertEqual(sanitize_xml('abc \x1b\x1f def'), + r'abc \x1b\x1f def') + self.assertEqual(sanitize_xml('nul:\x00, bell:\x07'), + r'nul:\x00, bell:\x07') + self.assertEqual(sanitize_xml('surrogate:\uDC80'), + r'surrogate:\udc80') + self.assertEqual(sanitize_xml('illegal \uFFFE and \uFFFF'), + r'illegal \ufffe and \uffff') + + # no escape for valid XML characters + self.assertEqual(sanitize_xml('a\n\tb'), + 'a\n\tb') + self.assertEqual(sanitize_xml('valid t\xe9xt \u20ac'), + 'valid t\xe9xt \u20ac') + if __name__ == '__main__': unittest.main() diff --git a/Lib/test/test_support.py b/Lib/test/test_support.py index 4381a82b6b5..4310f06924a 100644 --- a/Lib/test/test_support.py +++ b/Lib/test/test_support.py @@ -7,6 +7,7 @@ import stat import subprocess import sys +import sysconfig import tempfile import textwrap import unittest @@ -310,7 +311,6 @@ def test_temp_cwd__name_none(self): def test_sortdict(self): self.assertEqual(support.sortdict({3:3, 2:2, 1:1}), "{1: 1, 2: 2, 3: 3}") - @unittest.expectedFailureIfWindows("TODO: RUSTPYTHON; actual c fds on windows") def test_make_bad_fd(self): fd = os_helper.make_bad_fd() with self.assertRaises(OSError) as cm: @@ -421,8 +421,6 @@ def test_detect_api_mismatch__ignore(self): self.OtherClass, self.RefClass, ignore=ignore) self.assertEqual(set(), missing_items) - # TODO: RUSTPYTHON - @unittest.expectedFailure def test_check__all__(self): extra = {'tempdir'} not_exported = {'template'} @@ -433,10 +431,7 @@ def test_check__all__(self): extra = { 'TextTestResult', - 'findTestCases', - 'getTestCaseNames', 'installHandler', - 'makeSuite', } not_exported = {'load_tests', "TestProgram", "BaseTestSuite"} support.check__all__(self, @@ -552,119 +547,14 @@ def test_optim_args_from_interpreter_flags(self): with self.subTest(opts=opts): self.check_options(opts, 'optim_args_from_interpreter_flags') - def test_match_test(self): - class Test: - def __init__(self, test_id): - self.test_id = test_id - - def id(self): - return self.test_id - - test_access = Test('test.test_os.FileTests.test_access') - test_chdir = Test('test.test_os.Win32ErrorTests.test_chdir') - - # Test acceptance - with support.swap_attr(support, '_match_test_func', None): - # match all - support.set_match_tests([]) - self.assertTrue(support.match_test(test_access)) - self.assertTrue(support.match_test(test_chdir)) - - # match all using None - support.set_match_tests(None, None) - self.assertTrue(support.match_test(test_access)) - self.assertTrue(support.match_test(test_chdir)) - - # match the full test identifier - support.set_match_tests([test_access.id()], None) - self.assertTrue(support.match_test(test_access)) - self.assertFalse(support.match_test(test_chdir)) - - # match the module name - support.set_match_tests(['test_os'], None) - self.assertTrue(support.match_test(test_access)) - self.assertTrue(support.match_test(test_chdir)) - - # Test '*' pattern - support.set_match_tests(['test_*'], None) - self.assertTrue(support.match_test(test_access)) - self.assertTrue(support.match_test(test_chdir)) - - # Test case sensitivity - support.set_match_tests(['filetests'], None) - self.assertFalse(support.match_test(test_access)) - support.set_match_tests(['FileTests'], None) - self.assertTrue(support.match_test(test_access)) - - # Test pattern containing '.' and a '*' metacharacter - support.set_match_tests(['*test_os.*.test_*'], None) - self.assertTrue(support.match_test(test_access)) - self.assertTrue(support.match_test(test_chdir)) - - # Multiple patterns - support.set_match_tests([test_access.id(), test_chdir.id()], None) - self.assertTrue(support.match_test(test_access)) - self.assertTrue(support.match_test(test_chdir)) - - support.set_match_tests(['test_access', 'DONTMATCH'], None) - self.assertTrue(support.match_test(test_access)) - self.assertFalse(support.match_test(test_chdir)) - - # Test rejection - with support.swap_attr(support, '_match_test_func', None): - # match all - support.set_match_tests(ignore_patterns=[]) - self.assertTrue(support.match_test(test_access)) - self.assertTrue(support.match_test(test_chdir)) - - # match all using None - support.set_match_tests(None, None) - self.assertTrue(support.match_test(test_access)) - self.assertTrue(support.match_test(test_chdir)) - - # match the full test identifier - support.set_match_tests(None, [test_access.id()]) - self.assertFalse(support.match_test(test_access)) - self.assertTrue(support.match_test(test_chdir)) - - # match the module name - support.set_match_tests(None, ['test_os']) - self.assertFalse(support.match_test(test_access)) - self.assertFalse(support.match_test(test_chdir)) - - # Test '*' pattern - support.set_match_tests(None, ['test_*']) - self.assertFalse(support.match_test(test_access)) - self.assertFalse(support.match_test(test_chdir)) - - # Test case sensitivity - support.set_match_tests(None, ['filetests']) - self.assertTrue(support.match_test(test_access)) - support.set_match_tests(None, ['FileTests']) - self.assertFalse(support.match_test(test_access)) - - # Test pattern containing '.' and a '*' metacharacter - support.set_match_tests(None, ['*test_os.*.test_*']) - self.assertFalse(support.match_test(test_access)) - self.assertFalse(support.match_test(test_chdir)) - - # Multiple patterns - support.set_match_tests(None, [test_access.id(), test_chdir.id()]) - self.assertFalse(support.match_test(test_access)) - self.assertFalse(support.match_test(test_chdir)) - - support.set_match_tests(None, ['test_access', 'DONTMATCH']) - self.assertFalse(support.match_test(test_access)) - self.assertTrue(support.match_test(test_chdir)) - - @unittest.skipIf(sys.platform.startswith("win"), "TODO: RUSTPYTHON; os.dup on windows") + @unittest.skipIf(support.is_apple_mobile, "Unstable on Apple Mobile") @unittest.skipIf(support.is_emscripten, "Unstable in Emscripten") @unittest.skipIf(support.is_wasi, "Unavailable on WASI") def test_fd_count(self): - # We cannot test the absolute value of fd_count(): on old Linux - # kernel or glibc versions, os.urandom() keeps a FD open on - # /dev/urandom device and Python has 4 FD opens instead of 3. - # Test is unstable on Emscripten. The platform starts and stops + # We cannot test the absolute value of fd_count(): on old Linux kernel + # or glibc versions, os.urandom() keeps a FD open on /dev/urandom + # device and Python has 4 FD opens instead of 3. Test is unstable on + # Emscripten and Apple Mobile platforms; these platforms start and stop # background threads that use pipes and epoll fds. start = os_helper.fd_count() fd = os.open(__file__, os.O_RDONLY) @@ -686,14 +576,12 @@ def test_print_warning(self): self.check_print_warning("a\nb", 'Warning -- a\nWarning -- b\n') - @unittest.expectedFailureIf(sys.platform != "win32", "TODO: RUSTPYTHON") def test_has_strftime_extensions(self): if support.is_emscripten or sys.platform == "win32": self.assertFalse(support.has_strftime_extensions) else: self.assertTrue(support.has_strftime_extensions) - @unittest.expectedFailure def test_get_recursion_depth(self): # test support.get_recursion_depth() code = textwrap.dedent(""" @@ -743,7 +631,7 @@ def recursive_function(depth): if depth: recursive_function(depth - 1) - for max_depth in (5, 25, 250): + for max_depth in (5, 25, 250, 2500): with support.infinite_recursion(max_depth): available = support.get_recursion_available() @@ -769,7 +657,81 @@ def recursive_function(depth): else: self.fail("RecursionError was not raised") - #self.assertEqual(available, 2) + def test_parse_memlimit(self): + parse = support._parse_memlimit + KiB = 1024 + MiB = KiB * 1024 + GiB = MiB * 1024 + TiB = GiB * 1024 + self.assertEqual(parse('0k'), 0) + self.assertEqual(parse('3k'), 3 * KiB) + self.assertEqual(parse('2.4m'), int(2.4 * MiB)) + self.assertEqual(parse('4g'), int(4 * GiB)) + self.assertEqual(parse('1t'), TiB) + + for limit in ('', '3', '3.5.10k', '10x'): + with self.subTest(limit=limit): + with self.assertRaises(ValueError): + parse(limit) + + def test_set_memlimit(self): + _4GiB = 4 * 1024 ** 3 + TiB = 1024 ** 4 + old_max_memuse = support.max_memuse + old_real_max_memuse = support.real_max_memuse + try: + if sys.maxsize > 2**32: + support.set_memlimit('4g') + self.assertEqual(support.max_memuse, _4GiB) + self.assertEqual(support.real_max_memuse, _4GiB) + + big = 2**100 // TiB + support.set_memlimit(f'{big}t') + self.assertEqual(support.max_memuse, sys.maxsize) + self.assertEqual(support.real_max_memuse, big * TiB) + else: + support.set_memlimit('4g') + self.assertEqual(support.max_memuse, sys.maxsize) + self.assertEqual(support.real_max_memuse, _4GiB) + finally: + support.max_memuse = old_max_memuse + support.real_max_memuse = old_real_max_memuse + + def test_copy_python_src_ignore(self): + # Get source directory + src_dir = sysconfig.get_config_var('abs_srcdir') + if not src_dir: + src_dir = sysconfig.get_config_var('srcdir') + src_dir = os.path.abspath(src_dir) + + # Check that the source code is available + if not os.path.exists(src_dir): + self.skipTest(f"cannot access Python source code directory:" + f" {src_dir!r}") + # Check that the landmark copy_python_src_ignore() expects is available + # (Previously we looked for 'Lib\os.py', which is always present on Windows.) + landmark = os.path.join(src_dir, 'Modules') + if not os.path.exists(landmark): + self.skipTest(f"cannot access Python source code directory:" + f" {landmark!r} landmark is missing") + + # Test support.copy_python_src_ignore() + + # Source code directory + ignored = {'.git', '__pycache__'} + names = os.listdir(src_dir) + self.assertEqual(support.copy_python_src_ignore(src_dir, names), + ignored | {'build'}) + + # Doc/ directory + path = os.path.join(src_dir, 'Doc') + self.assertEqual(support.copy_python_src_ignore(path, os.listdir(path)), + ignored | {'build', 'venv'}) + + # Another directory + path = os.path.join(src_dir, 'Objects') + self.assertEqual(support.copy_python_src_ignore(path, os.listdir(path)), + ignored) # XXX -follows a list of untested API # make_legacy_pyc @@ -782,12 +744,10 @@ def recursive_function(depth): # EnvironmentVarGuard # transient_internet # run_with_locale - # set_memlimit # bigmemtest # precisionbigmemtest # bigaddrspacetest # requires_resource - # run_doctest # threading_cleanup # reap_threads # can_symlink From cb6329ed3646638152a23df3b8d3c64e5f032be2 Mon Sep 17 00:00:00 2001 From: Ashwin Naren Date: Thu, 13 Feb 2025 10:43:08 -0800 Subject: [PATCH 04/20] trace.py revert Signed-off-by: Ashwin Naren --- Lib/trace.py | 32 +++++++++++++++++++++++--------- 1 file changed, 23 insertions(+), 9 deletions(-) diff --git a/Lib/trace.py b/Lib/trace.py index 213e46517d6..64fc8037e35 100755 --- a/Lib/trace.py +++ b/Lib/trace.py @@ -49,6 +49,7 @@ """ __all__ = ['Trace', 'CoverageResults'] +import io import linecache import os import sys @@ -201,7 +202,8 @@ def update(self, other): for key in other_callers: callers[key] = 1 - def write_results(self, show_missing=True, summary=False, coverdir=None): + def write_results(self, show_missing=True, summary=False, coverdir=None, *, + ignore_missing_files=False): """ Write the coverage results. @@ -210,6 +212,9 @@ def write_results(self, show_missing=True, summary=False, coverdir=None): :param coverdir: If None, the results of each module are placed in its directory, otherwise it is included in the directory specified. + :param ignore_missing_files: If True, counts for files that no longer + exist are silently ignored. Otherwise, a missing file + will raise a FileNotFoundError. """ if self.calledfuncs: print() @@ -252,13 +257,15 @@ def write_results(self, show_missing=True, summary=False, coverdir=None): if filename.endswith(".pyc"): filename = filename[:-1] + if ignore_missing_files and not os.path.isfile(filename): + continue + if coverdir is None: dir = os.path.dirname(os.path.abspath(filename)) modulename = _modname(filename) else: dir = coverdir - if not os.path.exists(dir): - os.makedirs(dir) + os.makedirs(dir, exist_ok=True) modulename = _fullmodname(filename) # If desired, get a list of the line numbers which represent @@ -277,7 +284,6 @@ def write_results(self, show_missing=True, summary=False, coverdir=None): percent = int(100 * n_hits / n_lines) sums[modulename] = n_lines, percent, modulename, filename - if summary and sums: print("lines cov% module (path)") for m in sorted(sums): @@ -559,8 +565,12 @@ def localtrace_trace_and_count(self, frame, why, arg): if self.start_time: print('%.2f' % (_time() - self.start_time), end=' ') bname = os.path.basename(filename) - print("%s(%d): %s" % (bname, lineno, - linecache.getline(filename, lineno)), end='') + line = linecache.getline(filename, lineno) + print("%s(%d)" % (bname, lineno), end='') + if line: + print(": ", line, end='') + else: + print() return self.localtrace def localtrace_trace(self, frame, why, arg): @@ -572,8 +582,12 @@ def localtrace_trace(self, frame, why, arg): if self.start_time: print('%.2f' % (_time() - self.start_time), end=' ') bname = os.path.basename(filename) - print("%s(%d): %s" % (bname, lineno, - linecache.getline(filename, lineno)), end='') + line = linecache.getline(filename, lineno) + print("%s(%d)" % (bname, lineno), end='') + if line: + print(": ", line, end='') + else: + print() return self.localtrace def localtrace_count(self, frame, why, arg): @@ -716,7 +730,7 @@ def parse_ignore_dir(s): sys.argv = [opts.progname, *opts.arguments] sys.path[0] = os.path.dirname(opts.progname) - with open(opts.progname, 'rb') as fp: + with io.open_code(opts.progname) as fp: code = compile(fp.read(), opts.progname, 'exec') # try to emulate __main__ namespace as much as possible globs = { From 4a299c9b774a2b090020d1e30f44faebb35e377b Mon Sep 17 00:00:00 2001 From: Ashwin Naren Date: Thu, 13 Feb 2025 20:26:55 -0800 Subject: [PATCH 05/20] fix file that was accidentally edited Signed-off-by: Ashwin Naren --- Lib/test/support/socket_helper.py | 20 +++++++++++++------- 1 file changed, 13 insertions(+), 7 deletions(-) diff --git a/Lib/test/support/socket_helper.py b/Lib/test/support/socket_helper.py index 87941ee1791..919b3245b6d 100644 --- a/Lib/test/support/socket_helper.py +++ b/Lib/test/support/socket_helper.py @@ -8,6 +8,7 @@ import unittest from .. import support +from . import warnings_helper HOST = "localhost" HOSTv4 = "127.0.0.1" @@ -195,6 +196,7 @@ def get_socket_conn_refused_errs(): def transient_internet(resource_name, *, timeout=_NOT_SET, errnos=()): """Return a context manager that raises ResourceDenied when various issues with the internet connection manifest themselves as exceptions.""" + nntplib = warnings_helper.import_deprecated("nntplib") import urllib.error if timeout is _NOT_SET: timeout = support.INTERNET_TIMEOUT @@ -230,14 +232,14 @@ def transient_internet(resource_name, *, timeout=_NOT_SET, errnos=()): def filter_error(err): n = getattr(err, 'errno', None) if (isinstance(err, TimeoutError) or - (isinstance(err, socket.gaierror) and n in gai_errnos) or - (isinstance(err, urllib.error.HTTPError) and - 500 <= err.code <= 599) or - (isinstance(err, urllib.error.URLError) and + (isinstance(err, socket.gaierror) and n in gai_errnos) or + (isinstance(err, urllib.error.HTTPError) and + 500 <= err.code <= 599) or + (isinstance(err, urllib.error.URLError) and (("ConnectionRefusedError" in err.reason) or ("TimeoutError" in err.reason) or ("EOFError" in err.reason))) or - n in captured_errnos): + n in captured_errnos): if not support.verbose: sys.stderr.write(denied.args[0] + "\n") raise denied from err @@ -247,6 +249,10 @@ def filter_error(err): if timeout is not None: socket.setdefaulttimeout(timeout) yield + except nntplib.NNTPTemporaryError as err: + if support.verbose: + sys.stderr.write(denied.args[0] + "\n") + raise denied from err except OSError as err: # urllib can wrap original socket errors multiple times (!), we must # unwrap to get at the original error. @@ -297,7 +303,7 @@ def _get_sysctl(name): stderr=subprocess.STDOUT, text=True) if proc.returncode: - support.print_warning(f'{' '.join(cmd)!r} command failed with ' + support.print_warning(f'{" ".join(cmd)!r} command failed with ' f'exit code {proc.returncode}') # cache the error to only log the warning once _sysctl_cache[name] = None @@ -308,7 +314,7 @@ def _get_sysctl(name): try: value = int(output.strip()) except Exception as exc: - support.print_warning(f'Failed to parse {' '.join(cmd)!r} ' + support.print_warning(f'Failed to parse {" ".join(cmd)!r} ' f'command output {output!r}: {exc!r}') # cache the error to only log the warning once _sysctl_cache[name] = None From 9ad3cd14a55a1f17d8f54f671610da137bc523a4 Mon Sep 17 00:00:00 2001 From: Ashwin Naren Date: Thu, 13 Feb 2025 20:34:39 -0800 Subject: [PATCH 06/20] skip hanging tests Signed-off-by: Ashwin Naren --- Lib/test/test_array.py | 2 +- Lib/test/test_bytes.py | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/Lib/test/test_array.py b/Lib/test/test_array.py index c3250ef72e2..d4c1429673d 100644 --- a/Lib/test/test_array.py +++ b/Lib/test/test_array.py @@ -1157,7 +1157,7 @@ def test_obsolete_write_lock(self): self.assertRaises(BufferError, _testcapi.getbuffer_with_null_view, a) # TODO: RUSTPYTHON - @unittest.expectedFailure + @unittest.skip("TODO: RustPython hang") def test_free_after_iterating(self): support.check_free_after_iterating(self, iter, array.array, (self.typecode,)) diff --git a/Lib/test/test_bytes.py b/Lib/test/test_bytes.py index baf84642ee8..90ca2cacd7c 100644 --- a/Lib/test/test_bytes.py +++ b/Lib/test/test_bytes.py @@ -960,7 +960,7 @@ def test_find_etc_raise_correct_error_messages(self): x, None, None, None) # TODO: RUSTPYTHON - @unittest.expectedFailure + @unittest.skip("TODO: RustPython hang") def test_free_after_iterating(self): test.support.check_free_after_iterating(self, iter, self.type2test) test.support.check_free_after_iterating(self, reversed, self.type2test) From 812a32df6b4d780622c1f09269556e472e697bda Mon Sep 17 00:00:00 2001 From: Ashwin Naren Date: Thu, 13 Feb 2025 20:43:47 -0800 Subject: [PATCH 07/20] some-what function multithreading for the test runner Signed-off-by: Ashwin Naren --- Lib/test/libregrtest/run_workers.py | 8 +- Lib/test/libregrtest/worker.py | 116 ++++++++++++++++++++++++++++ 2 files changed, 120 insertions(+), 4 deletions(-) create mode 100644 Lib/test/libregrtest/worker.py diff --git a/Lib/test/libregrtest/run_workers.py b/Lib/test/libregrtest/run_workers.py index 3c6d13215fd..acdb765d40f 100644 --- a/Lib/test/libregrtest/run_workers.py +++ b/Lib/test/libregrtest/run_workers.py @@ -18,7 +18,7 @@ from .logger import Logger from .result import TestResult, State from .results import TestResults -from .runtests import RunTests, WorkerRunTests, JsonFile, JsonFileType +from .runtests import RunTests, WorkerRunTests, JsonFile from .single import PROGRESS_MIN_TIME from .utils import ( StrPath, TestName, @@ -243,7 +243,7 @@ def create_json_file(self, stack: contextlib.ExitStack) -> tuple[JsonFile, TextI json_file_use_stdout = self.runtests.json_file_use_stdout() if json_file_use_stdout: - json_file = JsonFile(None, JsonFileType.STDOUT) + json_file = JsonFile(None, "STDOUT") json_tmpfile = None else: json_tmpfile = tempfile.TemporaryFile('w+', encoding='utf8') @@ -255,9 +255,9 @@ def create_json_file(self, stack: contextlib.ExitStack) -> tuple[JsonFile, TextI # we run mypy with `--platform=linux` in CI json_handle: int = msvcrt.get_osfhandle(json_fd) # type: ignore[attr-defined] json_file = JsonFile(json_handle, - JsonFileType.WINDOWS_HANDLE) + "WINDOWS_HANDLE") else: - json_file = JsonFile(json_fd, JsonFileType.UNIX_FD) + json_file = JsonFile(json_fd, "UNIX_FD") return (json_file, json_tmpfile) def create_worker_runtests(self, test_name: TestName, json_file: JsonFile) -> WorkerRunTests: diff --git a/Lib/test/libregrtest/worker.py b/Lib/test/libregrtest/worker.py new file mode 100644 index 00000000000..ecedfdea81c --- /dev/null +++ b/Lib/test/libregrtest/worker.py @@ -0,0 +1,116 @@ +import subprocess +import sys +import os +from typing import Any, NoReturn + +from test.support import os_helper, Py_DEBUG + +from .setup import setup_process, setup_test_dir +from .runtests import WorkerRunTests, JsonFile +from .single import run_single_test +from .utils import ( + StrPath, StrJSON, TestFilter, + get_temp_dir, get_work_dir, exit_timeout) + + +USE_PROCESS_GROUP = (hasattr(os, "setsid") and hasattr(os, "killpg")) + + +def create_worker_process(runtests: WorkerRunTests, output_fd: int, + tmp_dir: StrPath | None = None) -> subprocess.Popen[str]: + worker_json = runtests.as_json() + + cmd = runtests.create_python_cmd() + cmd.extend(['-m', 'test.libregrtest.worker', worker_json]) + + env = dict(os.environ) + if tmp_dir is not None: + env['TMPDIR'] = tmp_dir + env['TEMP'] = tmp_dir + env['TMP'] = tmp_dir + + # Running the child from the same working directory as regrtest's original + # invocation ensures that TEMPDIR for the child is the same when + # sysconfig.is_python_build() is true. See issue 15300. + # + # Emscripten and WASI Python must start in the Python source code directory + # to get 'python.js' or 'python.wasm' file. Then worker_process() changes + # to a temporary directory created to run tests. + work_dir = os_helper.SAVEDCWD + + kwargs: dict[str, Any] = dict( + env=env, + stdout=output_fd, + # bpo-45410: Write stderr into stdout to keep messages order + stderr=output_fd, + text=True, + close_fds=True, + cwd=work_dir, + ) + if USE_PROCESS_GROUP: + kwargs['start_new_session'] = True + + # Pass json_file to the worker process + json_file = runtests.json_file + json_file.configure_subprocess(kwargs) + + with json_file.inherit_subprocess(): + return subprocess.Popen(cmd, **kwargs) + + +def worker_process(worker_json: StrJSON) -> NoReturn: + runtests = WorkerRunTests.from_json(worker_json) + test_name = runtests.tests[0] + match_tests: TestFilter = runtests.match_tests + json_file: JsonFile = runtests.json_file + + setup_test_dir(runtests.test_dir) + setup_process() + + if runtests.rerun: + if match_tests: + matching = "matching: " + ", ".join(pattern for pattern, result in match_tests if result) + print(f"Re-running {test_name} in verbose mode ({matching})", flush=True) + else: + print(f"Re-running {test_name} in verbose mode", flush=True) + + result = run_single_test(test_name, runtests) + if runtests.coverage: + if "test.cov" in sys.modules: # imported by -Xpresite= + result.covered_lines = list(sys.modules["test.cov"].coverage) + elif not Py_DEBUG: + print( + "Gathering coverage in worker processes requires --with-pydebug", + flush=True, + ) + else: + raise LookupError( + "`test.cov` not found in sys.modules but coverage wanted" + ) + + if json_file.file_type == "STDOUT": + print() + result.write_json_into(sys.stdout) + else: + with json_file.open('w', encoding='utf-8') as json_fp: + result.write_json_into(json_fp) + + sys.exit(0) + + +def main() -> NoReturn: + if len(sys.argv) != 2: + print("usage: python -m test.libregrtest.worker JSON") + sys.exit(1) + worker_json = sys.argv[1] + + tmp_dir = get_temp_dir() + work_dir = get_work_dir(tmp_dir, worker=True) + + with exit_timeout(): + with os_helper.temp_cwd(work_dir, quiet=True): + worker_process(worker_json) + + +if __name__ == "__main__": + main() From 1c77678e98947886b0632ab54c003b05bd6bdd45 Mon Sep 17 00:00:00 2001 From: Ashwin Naren Date: Thu, 13 Feb 2025 23:17:50 -0800 Subject: [PATCH 08/20] update test_csv to 3.13.2 Signed-off-by: Ashwin Naren --- Lib/test/test_csv.py | 306 ++++++++++++++++++++++++++++++++----------- 1 file changed, 233 insertions(+), 73 deletions(-) diff --git a/Lib/test/test_csv.py b/Lib/test/test_csv.py index 2646be086cc..3ec51814172 100644 --- a/Lib/test/test_csv.py +++ b/Lib/test/test_csv.py @@ -10,7 +10,7 @@ import gc import pickle from test import support -from test.support import warnings_helper, import_helper, check_disallow_instantiation +from test.support import import_helper, check_disallow_instantiation from itertools import permutations from textwrap import dedent from collections import OrderedDict @@ -28,14 +28,20 @@ class Test_Csv(unittest.TestCase): in TestDialectRegistry. """ def _test_arg_valid(self, ctor, arg): + ctor(arg) self.assertRaises(TypeError, ctor) self.assertRaises(TypeError, ctor, None) - self.assertRaises(TypeError, ctor, arg, bad_attr = 0) - self.assertRaises(TypeError, ctor, arg, delimiter = 0) - self.assertRaises(TypeError, ctor, arg, delimiter = 'XX') + self.assertRaises(TypeError, ctor, arg, bad_attr=0) + self.assertRaises(TypeError, ctor, arg, delimiter='') + self.assertRaises(TypeError, ctor, arg, escapechar='') + self.assertRaises(TypeError, ctor, arg, quotechar='') + self.assertRaises(TypeError, ctor, arg, delimiter='^^') + self.assertRaises(TypeError, ctor, arg, escapechar='^^') + self.assertRaises(TypeError, ctor, arg, quotechar='^^') self.assertRaises(csv.Error, ctor, arg, 'foo') self.assertRaises(TypeError, ctor, arg, delimiter=None) self.assertRaises(TypeError, ctor, arg, delimiter=1) + self.assertRaises(TypeError, ctor, arg, escapechar=1) self.assertRaises(TypeError, ctor, arg, quotechar=1) self.assertRaises(TypeError, ctor, arg, lineterminator=None) self.assertRaises(TypeError, ctor, arg, lineterminator=1) @@ -46,11 +52,48 @@ def _test_arg_valid(self, ctor, arg): quoting=csv.QUOTE_ALL, quotechar=None) self.assertRaises(TypeError, ctor, arg, quoting=csv.QUOTE_NONE, quotechar='') + self.assertRaises(ValueError, ctor, arg, delimiter='\n') + self.assertRaises(ValueError, ctor, arg, escapechar='\n') + self.assertRaises(ValueError, ctor, arg, quotechar='\n') + self.assertRaises(ValueError, ctor, arg, delimiter='\r') + self.assertRaises(ValueError, ctor, arg, escapechar='\r') + self.assertRaises(ValueError, ctor, arg, quotechar='\r') + ctor(arg, delimiter=' ') + ctor(arg, escapechar=' ') + ctor(arg, quotechar=' ') + ctor(arg, delimiter='\t', skipinitialspace=True) + ctor(arg, escapechar='\t', skipinitialspace=True) + ctor(arg, quotechar='\t', skipinitialspace=True) + ctor(arg, delimiter=' ', skipinitialspace=True) + self.assertRaises(ValueError, ctor, arg, + escapechar=' ', skipinitialspace=True) + self.assertRaises(ValueError, ctor, arg, + quotechar=' ', skipinitialspace=True) + ctor(arg, delimiter='^') + ctor(arg, escapechar='^') + ctor(arg, quotechar='^') + self.assertRaises(ValueError, ctor, arg, delimiter='^', escapechar='^') + self.assertRaises(ValueError, ctor, arg, delimiter='^', quotechar='^') + self.assertRaises(ValueError, ctor, arg, escapechar='^', quotechar='^') + ctor(arg, delimiter='\x85') + ctor(arg, escapechar='\x85') + ctor(arg, quotechar='\x85') + ctor(arg, lineterminator='\x85') + self.assertRaises(ValueError, ctor, arg, + delimiter='\x85', lineterminator='\x85') + self.assertRaises(ValueError, ctor, arg, + escapechar='\x85', lineterminator='\x85') + self.assertRaises(ValueError, ctor, arg, + quotechar='\x85', lineterminator='\x85') + # TODO: RUSTPYTHON + @unittest.expectedFailure def test_reader_arg_valid(self): self._test_arg_valid(csv.reader, []) self.assertRaises(OSError, csv.reader, BadIterable()) + # TODO: RUSTPYTHON + @unittest.expectedFailure def test_writer_arg_valid(self): self._test_arg_valid(csv.writer, StringIO()) class BadWriter: @@ -150,13 +193,8 @@ def _write_error_test(self, exc, fields, **kwargs): fileobj.seek(0) self.assertEqual(fileobj.read(), '') - # TODO: RUSTPYTHON ''\r\n to ""\r\n unsupported - @unittest.expectedFailure def test_write_arg_valid(self): self._write_error_test(csv.Error, None) - self._write_test((), '') - self._write_test([None], '""') - self._write_error_test(csv.Error, [None], quoting = csv.QUOTE_NONE) # Check that exceptions are passed up the chain self._write_error_test(OSError, BadIterable()) class BadList: @@ -177,7 +215,7 @@ def test_write_bigfield(self): self._write_test([bigstring,bigstring], '%s,%s' % \ (bigstring, bigstring)) - # TODO: RUSTPYTHON quoting style check is unsupported + # TODO: RUSTPYTHON @unittest.expectedFailure def test_write_quoting(self): self._write_test(['a',1,'p,q'], 'a,1,"p,q"') @@ -238,9 +276,11 @@ def test_write_lineterminator(self): writer = csv.writer(sio, lineterminator=lineterminator) writer.writerow(['a', 'b']) writer.writerow([1, 2]) + writer.writerow(['\r', '\n']) self.assertEqual(sio.getvalue(), f'a,b{lineterminator}' - f'1,2{lineterminator}') + f'1,2{lineterminator}' + f'"\r","\n"{lineterminator}') # TODO: RUSTPYTHON ''\r\n to ""\r\n unspported @unittest.expectedFailure @@ -285,30 +325,67 @@ def test_writerows_with_none(self): fileobj.seek(0) self.assertEqual(fileobj.read(), 'a\r\n""\r\n') + + # TODO: RUSTPYTHON + @unittest.expectedFailure + def test_write_empty_fields(self): + self._write_test((), '') + self._write_test([''], '""') + self._write_error_test(csv.Error, [''], quoting=csv.QUOTE_NONE) + self._write_test([''], '""', quoting=csv.QUOTE_STRINGS) + self._write_test([''], '""', quoting=csv.QUOTE_NOTNULL) + self._write_test([None], '""') + self._write_error_test(csv.Error, [None], quoting=csv.QUOTE_NONE) + self._write_error_test(csv.Error, [None], quoting=csv.QUOTE_STRINGS) + self._write_error_test(csv.Error, [None], quoting=csv.QUOTE_NOTNULL) + self._write_test(['', ''], ',') + self._write_test([None, None], ',') + + # TODO: RUSTPYTHON + @unittest.expectedFailure + def test_write_empty_fields_space_delimiter(self): + self._write_test([''], '""', delimiter=' ', skipinitialspace=False) + self._write_test([''], '""', delimiter=' ', skipinitialspace=True) + self._write_test([None], '""', delimiter=' ', skipinitialspace=False) + self._write_test([None], '""', delimiter=' ', skipinitialspace=True) + + self._write_test(['', ''], ' ', delimiter=' ', skipinitialspace=False) + self._write_test(['', ''], '"" ""', delimiter=' ', skipinitialspace=True) + self._write_test([None, None], ' ', delimiter=' ', skipinitialspace=False) + self._write_test([None, None], '"" ""', delimiter=' ', skipinitialspace=True) + + self._write_test(['', ''], ' ', delimiter=' ', skipinitialspace=False, + quoting=csv.QUOTE_NONE) + self._write_error_test(csv.Error, ['', ''], + delimiter=' ', skipinitialspace=True, + quoting=csv.QUOTE_NONE) + for quoting in csv.QUOTE_STRINGS, csv.QUOTE_NOTNULL: + self._write_test(['', ''], '"" ""', delimiter=' ', skipinitialspace=False, + quoting=quoting) + self._write_test(['', ''], '"" ""', delimiter=' ', skipinitialspace=True, + quoting=quoting) + + for quoting in csv.QUOTE_NONE, csv.QUOTE_STRINGS, csv.QUOTE_NOTNULL: + self._write_test([None, None], ' ', delimiter=' ', skipinitialspace=False, + quoting=quoting) + self._write_error_test(csv.Error, [None, None], + delimiter=' ', skipinitialspace=True, + quoting=quoting) + def test_writerows_errors(self): with TemporaryFile("w+", encoding="utf-8", newline='') as fileobj: writer = csv.writer(fileobj) self.assertRaises(TypeError, writer.writerows, None) self.assertRaises(OSError, writer.writerows, BadIterable()) - @support.cpython_only - @support.requires_legacy_unicode_capi() - @warnings_helper.ignore_warnings(category=DeprecationWarning) - def test_writerows_legacy_strings(self): - import _testcapi - c = _testcapi.unicode_legacy_string('a') - with TemporaryFile("w+", encoding="utf-8", newline='') as fileobj: - writer = csv.writer(fileobj) - writer.writerows([[c]]) - fileobj.seek(0) - self.assertEqual(fileobj.read(), "a\r\n") - + # TODO: Rustpython + @unittest.expectedFailure def _read_test(self, input, expect, **kwargs): reader = csv.reader(input, **kwargs) result = list(reader) self.assertEqual(result, expect) - # TODO RUSTPYTHON strict mode is unsupported + # TODO: Rustpython @unittest.expectedFailure def test_read_oddinputs(self): self._read_test([], []) @@ -320,16 +397,23 @@ def test_read_oddinputs(self): self.assertRaises(csv.Error, self._read_test, [b'abc'], None) + # TODO: Rustpython + @unittest.expectedFailure def test_read_eol(self): - self._read_test(['a,b'], [['a','b']]) - self._read_test(['a,b\n'], [['a','b']]) - self._read_test(['a,b\r\n'], [['a','b']]) - self._read_test(['a,b\r'], [['a','b']]) - self.assertRaises(csv.Error, self._read_test, ['a,b\rc,d'], []) - self.assertRaises(csv.Error, self._read_test, ['a,b\nc,d'], []) - self.assertRaises(csv.Error, self._read_test, ['a,b\r\nc,d'], []) - - # TODO RUSTPYTHON double quote umimplement + self._read_test(['a,b', 'c,d'], [['a','b'], ['c','d']]) + self._read_test(['a,b\n', 'c,d\n'], [['a','b'], ['c','d']]) + self._read_test(['a,b\r\n', 'c,d\r\n'], [['a','b'], ['c','d']]) + self._read_test(['a,b\r', 'c,d\r'], [['a','b'], ['c','d']]) + + errmsg = "with newline=''" + with self.assertRaisesRegex(csv.Error, errmsg): + next(csv.reader(['a,b\rc,d'])) + with self.assertRaisesRegex(csv.Error, errmsg): + next(csv.reader(['a,b\nc,d'])) + with self.assertRaisesRegex(csv.Error, errmsg): + next(csv.reader(['a,b\r\nc,d'])) + + # TODO: Rustpython @unittest.expectedFailure def test_read_eof(self): self._read_test(['a,"'], [['a', '']]) @@ -340,7 +424,7 @@ def test_read_eof(self): self.assertRaises(csv.Error, self._read_test, ['^'], [], escapechar='^', strict=True) - # TODO RUSTPYTHON + # TODO: Rustpython @unittest.expectedFailure def test_read_nul(self): self._read_test(['\0'], [['\0']]) @@ -379,17 +463,58 @@ def test_read_quoting(self): # will this fail where locale uses comma for decimals? self._read_test([',3,"5",7.3, 9'], [['', 3, '5', 7.3, 9]], quoting=csv.QUOTE_NONNUMERIC) + self._read_test([',3,"5",7.3, 9'], [[None, '3', '5', '7.3', ' 9']], + quoting=csv.QUOTE_NOTNULL) + self._read_test([',3,"5",7.3, 9'], [[None, 3, '5', 7.3, 9]], + quoting=csv.QUOTE_STRINGS) + + self._read_test([',,"",'], [['', '', '', '']]) + self._read_test([',,"",'], [['', '', '', '']], + quoting=csv.QUOTE_NONNUMERIC) + self._read_test([',,"",'], [[None, None, '', None]], + quoting=csv.QUOTE_NOTNULL) + self._read_test([',,"",'], [[None, None, '', None]], + quoting=csv.QUOTE_STRINGS) + self._read_test(['"a\nb", 7'], [['a\nb', ' 7']]) self.assertRaises(ValueError, self._read_test, ['abc,3'], [[]], quoting=csv.QUOTE_NONNUMERIC) + self.assertRaises(ValueError, self._read_test, + ['abc,3'], [[]], + quoting=csv.QUOTE_STRINGS) self._read_test(['1,@,3,@,5'], [['1', ',3,', '5']], quotechar='@') self._read_test(['1,\0,3,\0,5'], [['1', ',3,', '5']], quotechar='\0') + self._read_test(['1\\.5,\\.5,.5'], [[1.5, 0.5, 0.5]], + quoting=csv.QUOTE_NONNUMERIC, escapechar='\\') + self._read_test(['1\\.5,\\.5,"\\.5"'], [[1.5, 0.5, ".5"]], + quoting=csv.QUOTE_STRINGS, escapechar='\\') + # TODO: Rustpython + @unittest.skip("RUSTPYTHON PANIC") def test_read_skipinitialspace(self): self._read_test(['no space, space, spaces,\ttab'], [['no space', 'space', 'spaces', '\ttab']], skipinitialspace=True) + self._read_test([' , , '], + [['', '', '']], + skipinitialspace=True) + self._read_test([' , , '], + [[None, None, None]], + skipinitialspace=True, quoting=csv.QUOTE_NOTNULL) + self._read_test([' , , '], + [[None, None, None]], + skipinitialspace=True, quoting=csv.QUOTE_STRINGS) + + # TODO: RUSTPYTHON + @unittest.expectedFailure + def test_read_space_delimiter(self): + self._read_test(['a b', ' a ', ' ', ''], + [['a', '', '', 'b'], ['', '', 'a', '', ''], ['', '', ''], []], + delimiter=' ', skipinitialspace=False) + self._read_test(['a b', ' a ', ' ', ''], + [['a', 'b'], ['a', ''], [''], []], + delimiter=' ', skipinitialspace=True) def test_read_bigfield(self): # This exercises the buffer realloc functionality and field size @@ -422,27 +547,49 @@ def test_read_linenum(self): self.assertRaises(StopIteration, next, r) self.assertEqual(r.line_num, 3) - # TODO: RUSTPYTHON only '\r\n' unsupported + # TODO: RUSTPYTHON @unittest.expectedFailure def test_roundtrip_quoteed_newlines(self): - with TemporaryFile("w+", encoding="utf-8", newline='') as fileobj: - writer = csv.writer(fileobj) - rows = [['a\nb','b'],['c','x\r\nd']] - writer.writerows(rows) - fileobj.seek(0) - for i, row in enumerate(csv.reader(fileobj)): - self.assertEqual(row, rows[i]) + rows = [ + ['\na', 'b\nc', 'd\n'], + ['\re', 'f\rg', 'h\r'], + ['\r\ni', 'j\r\nk', 'l\r\n'], + ['\n\rm', 'n\n\ro', 'p\n\r'], + ['\r\rq', 'r\r\rs', 't\r\r'], + ['\n\nu', 'v\n\nw', 'x\n\n'], + ] + for lineterminator in '\r\n', '\n', '\r': + with self.subTest(lineterminator=lineterminator): + with TemporaryFile("w+", encoding="utf-8", newline='') as fileobj: + writer = csv.writer(fileobj, lineterminator=lineterminator) + writer.writerows(rows) + fileobj.seek(0) + for i, row in enumerate(csv.reader(fileobj)): + self.assertEqual(row, rows[i]) - # TODO: RUSTPYTHON only '\r\n' unsupported + # TODO: RUSTPYTHON @unittest.expectedFailure def test_roundtrip_escaped_unquoted_newlines(self): - with TemporaryFile("w+", encoding="utf-8", newline='') as fileobj: - writer = csv.writer(fileobj,quoting=csv.QUOTE_NONE,escapechar="\\") - rows = [['a\nb','b'],['c','x\r\nd']] - writer.writerows(rows) - fileobj.seek(0) - for i, row in enumerate(csv.reader(fileobj,quoting=csv.QUOTE_NONE,escapechar="\\")): - self.assertEqual(row,rows[i]) + rows = [ + ['\na', 'b\nc', 'd\n'], + ['\re', 'f\rg', 'h\r'], + ['\r\ni', 'j\r\nk', 'l\r\n'], + ['\n\rm', 'n\n\ro', 'p\n\r'], + ['\r\rq', 'r\r\rs', 't\r\r'], + ['\n\nu', 'v\n\nw', 'x\n\n'], + ] + for lineterminator in '\r\n', '\n', '\r': + with self.subTest(lineterminator=lineterminator): + with TemporaryFile("w+", encoding="utf-8", newline='') as fileobj: + writer = csv.writer(fileobj, lineterminator=lineterminator, + quoting=csv.QUOTE_NONE, escapechar="\\") + writer.writerows(rows) + fileobj.seek(0) + for i, row in enumerate(csv.reader(fileobj, + quoting=csv.QUOTE_NONE, + escapechar="\\")): + self.assertEqual(row, rows[i]) + class TestDialectRegistry(unittest.TestCase): def test_registry_badargs(self): @@ -521,10 +668,10 @@ class space(csv.excel): escapechar = "\\" with TemporaryFile("w+", encoding="utf-8") as fileobj: - fileobj.write("abc def\nc1ccccc1 benzene\n") + fileobj.write("abc def\nc1ccccc1 benzene\n") fileobj.seek(0) reader = csv.reader(fileobj, dialect=space()) - self.assertEqual(next(reader), ["abc", "def"]) + self.assertEqual(next(reader), ["abc", "", "", "def"]) self.assertEqual(next(reader), ["c1ccccc1", "benzene"]) def compare_dialect_123(self, expected, *writeargs, **kwwriteargs): @@ -536,7 +683,7 @@ def compare_dialect_123(self, expected, *writeargs, **kwwriteargs): fileobj.seek(0) self.assertEqual(fileobj.read(), expected) - # TODO: RUSTPYTHON + # TODO: Rustpython @unittest.expectedFailure def test_dialect_apply(self): class testA(csv.excel): @@ -568,20 +715,12 @@ class unspecified(): finally: csv.unregister_dialect('testC') - def test_bad_dialect(self): - # Unknown parameter - self.assertRaises(TypeError, csv.reader, [], bad_attr = 0) - # Bad values - self.assertRaises(TypeError, csv.reader, [], delimiter = None) - self.assertRaises(TypeError, csv.reader, [], quoting = -1) - self.assertRaises(TypeError, csv.reader, [], quoting = 100) - def test_copy(self): for name in csv.list_dialects(): dialect = csv.get_dialect(name) self.assertRaises(TypeError, copy.copy, dialect) - # TODO: RUSTPYTHON + # TODO: Rustpython @unittest.expectedFailure def test_pickle(self): for name in csv.list_dialects(): @@ -669,7 +808,7 @@ def test_quoted_quote(self): '"I see," said the blind man', 'as he picked up his hammer and saw']]) - # Rustpython TODO + # TODO: Rustpython @unittest.expectedFailure def test_quoted_nl(self): input = '''\ @@ -711,12 +850,12 @@ class EscapedExcel(csv.excel): class TestEscapedExcel(TestCsvBase): dialect = EscapedExcel() - # TODO RUSTPYTHON + # TODO: RUSTPYTHON @unittest.expectedFailure def test_escape_fieldsep(self): self.writerAssertEqual([['abc,def']], 'abc\\,def\r\n') - # TODO RUSTPYTHON + # TODO: Rustpython @unittest.expectedFailure def test_read_escape_fieldsep(self): self.readerAssertEqual('abc\\,def\r\n', [['abc,def']]) @@ -724,7 +863,7 @@ def test_read_escape_fieldsep(self): class TestDialectUnix(TestCsvBase): dialect = 'unix' - # TODO RUSTPYTHON + # TODO: Rustpython @unittest.expectedFailure def test_simple_writer(self): self.writerAssertEqual([[1, 'abc def', 'abc']], '"1","abc def","abc"\n') @@ -742,7 +881,7 @@ class TestQuotedEscapedExcel(TestCsvBase): def test_write_escape_fieldsep(self): self.writerAssertEqual([['abc,def']], '"abc,def"\r\n') - # TODO RUSTPYTHON + # TODO: Rustpython @unittest.expectedFailure def test_read_escape_fieldsep(self): self.readerAssertEqual('"abc\\,def"\r\n', [['abc,def']]) @@ -940,7 +1079,7 @@ def test_read_multi(self): "s1": 'abc', "s2": 'def'}) - # TODO RUSTPYTHON + # TODO: Rustpython @unittest.expectedFailure def test_read_with_blanks(self): reader = csv.DictReader(["1,2,abc,4,5,6\r\n","\r\n", @@ -993,9 +1132,11 @@ def test_float_write(self): fileobj.seek(0) self.assertEqual(fileobj.read(), expected) + # TODO: Rustpython + @unittest.expectedFailure def test_char_write(self): import array, string - a = array.array('u', string.ascii_letters) + a = array.array('w', string.ascii_letters) with TemporaryFile("w+", encoding="utf-8", newline='') as fileobj: writer = csv.writer(fileobj, dialect="excel") @@ -1019,6 +1160,12 @@ class mydialect(csv.Dialect): mydialect.quoting = None self.assertRaises(csv.Error, mydialect) + mydialect.quoting = 42 + with self.assertRaises(csv.Error) as cm: + mydialect() + self.assertEqual(str(cm.exception), + 'bad "quoting" value') + mydialect.doublequote = True mydialect.quoting = csv.QUOTE_ALL mydialect.quotechar = '"' @@ -1134,11 +1281,18 @@ class mydialect(csv.Dialect): self.assertEqual(str(cm.exception), '"lineterminator" must be a string') + # TODO: Rustpython + @unittest.expectedFailure def test_invalid_chars(self): - def create_invalid(field_name, value): + def create_invalid(field_name, value, **kwargs): class mydialect(csv.Dialect): - pass + delimiter = ',' + quoting = csv.QUOTE_ALL + quotechar = '"' + lineterminator = '\r\n' setattr(mydialect, field_name, value) + for field_name, value in kwargs.items(): + setattr(mydialect, field_name, value) d = mydialect() for field_name in ("delimiter", "escapechar", "quotechar"): @@ -1147,6 +1301,11 @@ class mydialect(csv.Dialect): self.assertRaises(csv.Error, create_invalid, field_name, "abc") self.assertRaises(csv.Error, create_invalid, field_name, b'x') self.assertRaises(csv.Error, create_invalid, field_name, 5) + self.assertRaises(ValueError, create_invalid, field_name, "\n") + self.assertRaises(ValueError, create_invalid, field_name, "\r") + if field_name != "delimiter": + self.assertRaises(ValueError, create_invalid, field_name, " ", + skipinitialspace=True) class TestSniffer(unittest.TestCase): @@ -1462,9 +1621,10 @@ def test_ordered_dict_reader(self): class MiscTestCase(unittest.TestCase): + # TODO: Rustpython + @unittest.expectedFailure def test__all__(self): - extra = {'__doc__', '__version__'} - support.check__all__(self, csv, ('csv', '_csv'), extra=extra) + support.check__all__(self, csv, ('csv', '_csv')) def test_subclassable(self): # issue 44089 From 766a85d8a69364a61c8b504c8dca49c8571ace1c Mon Sep 17 00:00:00 2001 From: Ashwin Naren Date: Thu, 13 Feb 2025 23:20:29 -0800 Subject: [PATCH 09/20] get_c_recursion_limit fix Signed-off-by: Ashwin Naren --- Lib/test/test_dict.py | 4 ++-- Lib/test/test_dictviews.py | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/Lib/test/test_dict.py b/Lib/test/test_dict.py index 4aa6f1089a4..18fa5f1f704 100644 --- a/Lib/test/test_dict.py +++ b/Lib/test/test_dict.py @@ -8,7 +8,7 @@ import unittest import weakref from test import support -from test.support import import_helper, C_RECURSION_LIMIT +from test.support import import_helper, get_c_recursion_limit class DictTest(unittest.TestCase): @@ -599,7 +599,7 @@ def __repr__(self): @unittest.skipIf(sys.platform == 'win32', 'TODO: RUSTPYTHON Windows') def test_repr_deep(self): d = {} - for i in range(C_RECURSION_LIMIT + 1): + for i in range(get_c_recursion_limit() + 1): d = {1: d} self.assertRaises(RecursionError, repr, d) diff --git a/Lib/test/test_dictviews.py b/Lib/test/test_dictviews.py index 172b98aa680..69dedf7c22f 100644 --- a/Lib/test/test_dictviews.py +++ b/Lib/test/test_dictviews.py @@ -3,7 +3,7 @@ import pickle import sys import unittest -from test.support import C_RECURSION_LIMIT +from test.support import get_c_recursion_limit class DictSetTest(unittest.TestCase): @@ -282,7 +282,7 @@ def test_recursive_repr(self): @unittest.expectedFailure def test_deeply_nested_repr(self): d = {} - for i in range(C_RECURSION_LIMIT//2 + 100): + for i in range(get_c_recursion_limit()//2 + 100): d = {42: d.values()} self.assertRaises(RecursionError, repr, d) From ceddb17b96abc3d4f765fa5d51a4cff2b14870e4 Mon Sep 17 00:00:00 2001 From: Ashwin Naren Date: Thu, 13 Feb 2025 23:25:34 -0800 Subject: [PATCH 10/20] removed requires_legacy_unicode_capi Signed-off-by: Ashwin Naren --- Lib/test/test_decimal.py | 31 +------------------------------ Lib/test/test_unicode.py | 30 ------------------------------ 2 files changed, 1 insertion(+), 60 deletions(-) diff --git a/Lib/test/test_decimal.py b/Lib/test/test_decimal.py index 04f4fc4a019..eac2dc1ab39 100644 --- a/Lib/test/test_decimal.py +++ b/Lib/test/test_decimal.py @@ -34,7 +34,7 @@ import locale from test.support import (is_resource_enabled, requires_IEEE_754, requires_docstrings, - requires_legacy_unicode_capi, check_sanitizer) + check_sanitizer) from test.support import (TestFailed, run_with_locale, cpython_only, darwin_malloc_err_warning, is_emscripten) @@ -586,18 +586,6 @@ def test_explicit_from_string(self): # underscores don't prevent errors self.assertRaises(InvalidOperation, Decimal, "1_2_\u00003") - @cpython_only - @requires_legacy_unicode_capi() - @warnings_helper.ignore_warnings(category=DeprecationWarning) - def test_from_legacy_strings(self): - import _testcapi - Decimal = self.decimal.Decimal - context = self.decimal.Context() - - s = _testcapi.unicode_legacy_string('9.999999') - self.assertEqual(str(Decimal(s)), '9.999999') - self.assertEqual(str(context.create_decimal(s)), '9.999999') - def test_explicit_from_tuples(self): Decimal = self.decimal.Decimal @@ -2928,23 +2916,6 @@ def test_none_args(self): assert_signals(self, c, 'traps', [InvalidOperation, DivisionByZero, Overflow]) - @cpython_only - @requires_legacy_unicode_capi() - @warnings_helper.ignore_warnings(category=DeprecationWarning) - def test_from_legacy_strings(self): - import _testcapi - c = self.decimal.Context() - - for rnd in RoundingModes: - c.rounding = _testcapi.unicode_legacy_string(rnd) - self.assertEqual(c.rounding, rnd) - - s = _testcapi.unicode_legacy_string('') - self.assertRaises(TypeError, setattr, c, 'rounding', s) - - s = _testcapi.unicode_legacy_string('ROUND_\x00UP') - self.assertRaises(TypeError, setattr, c, 'rounding', s) - def test_pickle(self): for proto in range(pickle.HIGHEST_PROTOCOL + 1): diff --git a/Lib/test/test_unicode.py b/Lib/test/test_unicode.py index 17c9f01cd81..3b5902a85e0 100644 --- a/Lib/test/test_unicode.py +++ b/Lib/test/test_unicode.py @@ -822,16 +822,6 @@ def test_isidentifier(self): self.assertFalse("©".isidentifier()) self.assertFalse("0".isidentifier()) - @support.cpython_only - @support.requires_legacy_unicode_capi() - @unittest.skipIf(_testcapi is None, 'need _testcapi module') - def test_isidentifier_legacy(self): - u = '𝖀𝖓𝖎𝖈𝖔𝖉𝖊' - self.assertTrue(u.isidentifier()) - with warnings_helper.check_warnings(): - warnings.simplefilter('ignore', DeprecationWarning) - self.assertTrue(_testcapi.unicode_legacy_string(u).isidentifier()) - # TODO: RUSTPYTHON @unittest.expectedFailure def test_isprintable(self): @@ -2532,26 +2522,6 @@ def test_getnewargs(self): self.assertEqual(args[0], text) self.assertEqual(len(args), 1) - @support.cpython_only - @support.requires_legacy_unicode_capi() - @unittest.skipIf(_testcapi is None, 'need _testcapi module') - def test_resize(self): - for length in range(1, 100, 7): - # generate a fresh string (refcount=1) - text = 'a' * length + 'b' - - # fill wstr internal field - with self.assertWarns(DeprecationWarning): - abc = _testcapi.getargs_u(text) - self.assertEqual(abc, text) - - # resize text: wstr field must be cleared and then recomputed - text += 'c' - with self.assertWarns(DeprecationWarning): - abcdef = _testcapi.getargs_u(text) - self.assertNotEqual(abc, abcdef) - self.assertEqual(abcdef, text) - def test_compare(self): # Issue #17615 N = 10 From 697a8476ebf66ee4ec95d2a8c1d4d7dfd103fa86 Mon Sep 17 00:00:00 2001 From: Ashwin Naren Date: Thu, 13 Feb 2025 23:44:11 -0800 Subject: [PATCH 11/20] update test_cmd_line.py to 3.13.2 Signed-off-by: Ashwin Naren --- Lib/test/test_cmd_line.py | 171 ++++++++++++++++++++++++++++---------- 1 file changed, 126 insertions(+), 45 deletions(-) diff --git a/Lib/test/test_cmd_line.py b/Lib/test/test_cmd_line.py index f7247705d02..d4452e20a5d 100644 --- a/Lib/test/test_cmd_line.py +++ b/Lib/test/test_cmd_line.py @@ -10,6 +10,7 @@ import unittest from test import support from test.support import os_helper +from test.support import force_not_colorized from test.support.script_helper import ( spawn_python, kill_python, assert_python_ok, assert_python_failure, interpreter_requires_environment @@ -38,8 +39,7 @@ def verify_valid_flag(self, cmd_line): self.assertNotIn(b'Traceback', err) return out - # TODO: RUSTPYTHON - @unittest.expectedFailure + @support.cpython_only def test_help(self): self.verify_valid_flag('-h') self.verify_valid_flag('-?') @@ -50,20 +50,17 @@ def test_help(self): self.assertNotIn(b'-X dev', out) self.assertLess(len(lines), 50) - # TODO: RUSTPYTHON - @unittest.expectedFailure + @support.cpython_only def test_help_env(self): out = self.verify_valid_flag('--help-env') self.assertIn(b'PYTHONHOME', out) - # TODO: RUSTPYTHON - @unittest.expectedFailure + @support.cpython_only def test_help_xoptions(self): out = self.verify_valid_flag('--help-xoptions') self.assertIn(b'-X dev', out) - # TODO: RUSTPYTHON - @unittest.expectedFailure + @support.cpython_only def test_help_all(self): out = self.verify_valid_flag('--help-all') lines = out.splitlines() @@ -82,8 +79,7 @@ def test_optimize(self): def test_site_flag(self): self.verify_valid_flag('-S') - # NOTE: RUSTPYTHON version never starts with Python - @unittest.expectedFailure + @support.cpython_only def test_version(self): version = ('Python %d.%d' % sys.version_info[:2]).encode("ascii") for switch in '-V', '--version', '-VV': @@ -91,6 +87,8 @@ def test_version(self): self.assertFalse(err.startswith(version)) self.assertTrue(out.startswith(version)) + # TODO: RUSTPYTHON + @unittest.expectedFailure def test_verbose(self): # -v causes imports to write to stderr. If the write to # stderr itself causes an import to happen (for the output @@ -149,8 +147,7 @@ def run_python(*args): else: self.assertEqual(err, b'') - # TODO: RUSTPYTHON - @unittest.expectedFailure + @support.cpython_only def test_xoption_frozen_modules(self): tests = { ('=on', 'FrozenImporter'), @@ -165,6 +162,18 @@ def test_xoption_frozen_modules(self): res = assert_python_ok(*cmd) self.assertRegex(res.out.decode('utf-8'), expected) + @support.cpython_only + def test_env_var_frozen_modules(self): + tests = { + ('on', 'FrozenImporter'), + ('off', 'SourceFileLoader'), + } + for raw, expected in tests: + cmd = ['-c', 'import os; print(os.__spec__.loader, end="")'] + with self.subTest(raw): + res = assert_python_ok(*cmd, PYTHON_FROZEN_MODULES=raw) + self.assertRegex(res.out.decode('utf-8'), expected) + def test_run_module(self): # Test expected operation of the '-m' switch # Switch needs an argument @@ -226,8 +235,6 @@ def test_coding(self): # command line, but how subprocess does decode bytes to unicode. Python # doesn't decode the command line because Windows provides directly the # arguments as unicode (using wmain() instead of main()). - # TODO: RUSTPYTHON - @unittest.expectedFailure @unittest.skipIf(sys.platform == 'win32', 'Windows has a native unicode API') def test_undecodable_code(self): @@ -263,7 +270,6 @@ def test_undecodable_code(self): if not stdout.startswith(pattern): raise AssertionError("%a doesn't start with %a" % (stdout, pattern)) - @unittest.skip("TODO: RUSTPYTHON, thread 'main' panicked at 'unexpected invalid UTF-8 code point'") @unittest.skipIf(sys.platform == 'win32', 'Windows has a native unicode API') def test_invalid_utf8_arg(self): @@ -275,12 +281,10 @@ def test_invalid_utf8_arg(self): # Test with default config, in the C locale, in the Python UTF-8 Mode. code = 'import sys, os; s=os.fsencode(sys.argv[1]); print(ascii(s))' - # TODO: RUSTPYTHON def run_default(arg): cmd = [sys.executable, '-c', code, arg] return subprocess.run(cmd, stdout=subprocess.PIPE, text=True) - # TODO: RUSTPYTHON def run_c_locale(arg): cmd = [sys.executable, '-c', code, arg] env = dict(os.environ) @@ -288,7 +292,6 @@ def run_c_locale(arg): return subprocess.run(cmd, stdout=subprocess.PIPE, text=True, env=env) - # TODO: RUSTPYTHON def run_utf8_mode(arg): cmd = [sys.executable, '-X', 'utf8', '-c', code, arg] return subprocess.run(cmd, stdout=subprocess.PIPE, text=True) @@ -402,8 +405,7 @@ def test_empty_PYTHONPATH_issue16309(self): path = ":".join(sys.path) path = path.encode("ascii", "backslashreplace") sys.stdout.buffer.write(path)""" - # TODO: RUSTPYTHON we must unset RUSTPYTHONPATH as well - rc1, out1, err1 = assert_python_ok('-c', code, PYTHONPATH="", RUSTPYTHONPATH="") + rc1, out1, err1 = assert_python_ok('-c', code, PYTHONPATH="") rc2, out2, err2 = assert_python_ok('-c', code, __isolated=False) # regarding to Posix specification, outputs should be equal # for empty and unset PYTHONPATH @@ -491,8 +493,9 @@ def test_stdout_flush_at_shutdown(self): rc, out, err = assert_python_failure('-c', code) self.assertEqual(b'', out) self.assertEqual(120, rc) - self.assertRegex(err.decode('ascii', 'ignore'), - 'Exception ignored in.*\nOSError: .*') + self.assertIn(b'Exception ignored on flushing sys.stdout:\n' + b'OSError: '.replace(b'\n', os.linesep.encode()), + err) def test_closed_stdout(self): # Issue #13444: if stdout has been explicitly closed, we should @@ -600,8 +603,7 @@ def test_del___main__(self): print("del sys.modules['__main__']", file=script) assert_python_ok(filename) - # TODO: RUSTPYTHON - @unittest.expectedFailure + @support.cpython_only def test_unknown_options(self): rc, out, err = assert_python_failure('-E', '-z') self.assertIn(b'Unknown option: -z', err) @@ -648,6 +650,8 @@ def test_isolatedmode(self): cwd=tmpdir) self.assertEqual(out.strip(), b"ok") + # TODO: RUSTPYTHON + @unittest.expectedFailure def test_sys_flags_set(self): # Issue 31845: a startup refactoring broke reading flags from env vars for value, expected in (("", 0), ("1", 1), ("text", 1), ("2", 2)): @@ -657,15 +661,13 @@ def test_sys_flags_set(self): PYTHONDONTWRITEBYTECODE=value, PYTHONVERBOSE=value, ) - dont_write_bytecode = int(bool(value)) + expected_bool = int(bool(value)) code = ( "import sys; " "sys.stderr.write(str(sys.flags)); " f"""sys.exit(not ( - sys.flags.debug == sys.flags.optimize == - sys.flags.verbose == - {expected} - and sys.flags.dont_write_bytecode == {dont_write_bytecode} + sys.flags.optimize == sys.flags.verbose == {expected} + and sys.flags.debug == sys.flags.dont_write_bytecode == {expected_bool} ))""" ) with self.subTest(envar_value=value): @@ -718,8 +720,7 @@ def run_xdev(self, *args, check_exitcode=True, xdev=True): self.assertEqual(proc.returncode, 0, proc) return proc.stdout.rstrip() - # TODO: RUSTPYTHON - @unittest.expectedFailure + @support.cpython_only def test_xdev(self): # sys.flags.dev_mode code = "import sys; print(sys.flags.dev_mode)" @@ -756,15 +757,17 @@ def test_xdev(self): # Memory allocator debug hooks try: - import _testcapi + import _testinternalcapi except ImportError: pass else: - code = "import _testcapi; print(_testcapi.pymem_getallocatorsname())" + code = "import _testinternalcapi; print(_testinternalcapi.pymem_getallocatorsname())" with support.SuppressCrashReport(): out = self.run_xdev("-c", code, check_exitcode=False) if support.with_pymalloc(): alloc_name = "pymalloc_debug" + elif support.Py_GIL_DISABLED: + alloc_name = "mimalloc_debug" else: alloc_name = "malloc_debug" self.assertEqual(out, alloc_name) @@ -824,7 +827,7 @@ def test_warnings_filter_precedence(self): self.assertEqual(out, expected_filters) def check_pythonmalloc(self, env_var, name): - code = 'import _testcapi; print(_testcapi.pymem_getallocatorsname())' + code = 'import _testinternalcapi; print(_testinternalcapi.pymem_getallocatorsname())' env = dict(os.environ) env.pop('PYTHONDEVMODE', None) if env_var is not None: @@ -840,12 +843,16 @@ def check_pythonmalloc(self, env_var, name): self.assertEqual(proc.stdout.rstrip(), name) self.assertEqual(proc.returncode, 0) - # TODO: RUSTPYTHON - @unittest.expectedFailure + @support.cpython_only def test_pythonmalloc(self): # Test the PYTHONMALLOC environment variable + malloc = not support.Py_GIL_DISABLED pymalloc = support.with_pymalloc() - if pymalloc: + mimalloc = support.with_mimalloc() + if support.Py_GIL_DISABLED: + default_name = 'mimalloc_debug' if support.Py_DEBUG else 'mimalloc' + default_name_debug = 'mimalloc_debug' + elif pymalloc: default_name = 'pymalloc_debug' if support.Py_DEBUG else 'pymalloc' default_name_debug = 'pymalloc_debug' else: @@ -855,14 +862,22 @@ def test_pythonmalloc(self): tests = [ (None, default_name), ('debug', default_name_debug), - ('malloc', 'malloc'), - ('malloc_debug', 'malloc_debug'), ] + if malloc: + tests.extend([ + ('malloc', 'malloc'), + ('malloc_debug', 'malloc_debug'), + ]) if pymalloc: tests.extend(( ('pymalloc', 'pymalloc'), ('pymalloc_debug', 'pymalloc_debug'), )) + if mimalloc: + tests.extend(( + ('mimalloc', 'mimalloc'), + ('mimalloc_debug', 'mimalloc_debug'), + )) for env_var, name in tests: with self.subTest(env_var=env_var, name=name): @@ -888,6 +903,51 @@ def test_pythondevmode_env(self): self.assertEqual(proc.stdout.rstrip(), 'True') self.assertEqual(proc.returncode, 0, proc) + # TODO: RUSTPYTHON + @unittest.expectedFailure + def test_python_gil(self): + cases = [ + # (env, opt, expected, msg) + ('1', None, '1', "PYTHON_GIL=1"), + (None, '1', '1', "-X gil=1"), + ] + + if support.Py_GIL_DISABLED: + cases.extend( + [ + (None, None, 'None', "no options set"), + ('0', None, '0', "PYTHON_GIL=0"), + ('1', '0', '0', "-X gil=0 overrides PYTHON_GIL=1"), + (None, '0', '0', "-X gil=0"), + ] + ) + else: + cases.extend( + [ + (None, None, '1', '-X gil=0 (unsupported by this build)'), + ('1', None, '1', 'PYTHON_GIL=0 (unsupported by this build)'), + ] + ) + code = "import sys; print(sys.flags.gil)" + environ = dict(os.environ) + + for env, opt, expected, msg in cases: + with self.subTest(msg, env=env, opt=opt): + environ.pop('PYTHON_GIL', None) + if env is not None: + environ['PYTHON_GIL'] = env + extra_args = [] + if opt is not None: + extra_args = ['-X', f'gil={opt}'] + + proc = subprocess.run([sys.executable, *extra_args, '-c', code], + stdout=subprocess.PIPE, + stderr=subprocess.PIPE, + text=True, env=environ) + self.assertEqual(proc.returncode, 0, proc) + self.assertEqual(proc.stdout.rstrip(), expected) + self.assertEqual(proc.stderr, '') + @unittest.skipUnless(sys.platform == 'win32', 'bpo-32457 only applies on Windows') def test_argv0_normalization(self): @@ -900,8 +960,7 @@ def test_argv0_normalization(self): self.assertEqual(proc.returncode, 0, proc) self.assertEqual(proc.stdout.strip(), b'0') - # TODO: RUSTPYTHON - @unittest.expectedFailure + @support.cpython_only def test_parsing_error(self): args = [sys.executable, '-I', '--unknown-option'] proc = subprocess.run(args, @@ -924,11 +983,8 @@ def test_int_max_str_digits(self): assert_python_failure('-c', code, PYTHONINTMAXSTRDIGITS='foo') assert_python_failure('-c', code, PYTHONINTMAXSTRDIGITS='100') - def res2int(res): - out = res.out.strip().decode("utf-8") - return tuple(int(i) for i in out.split()) - res = assert_python_ok('-c', code) + res2int = self.res2int current_max = sys.get_int_max_str_digits() self.assertEqual(res2int(res), (current_max, current_max)) res = assert_python_ok('-X', 'int_max_str_digits=0', '-c', code) @@ -948,6 +1004,30 @@ def res2int(res): ) self.assertEqual(res2int(res), (6000, 6000)) + # TODO: RUSTPYTHON + @unittest.expectedFailure + def test_cpu_count(self): + code = "import os; print(os.cpu_count(), os.process_cpu_count())" + res = assert_python_ok('-X', 'cpu_count=4321', '-c', code) + self.assertEqual(self.res2int(res), (4321, 4321)) + res = assert_python_ok('-c', code, PYTHON_CPU_COUNT='1234') + self.assertEqual(self.res2int(res), (1234, 1234)) + + # TODO: RUSTPYTHON + @unittest.expectedFailure + def test_cpu_count_default(self): + code = "import os; print(os.cpu_count(), os.process_cpu_count())" + res = assert_python_ok('-X', 'cpu_count=default', '-c', code) + self.assertEqual(self.res2int(res), (os.cpu_count(), os.process_cpu_count())) + res = assert_python_ok('-X', 'cpu_count=default', '-c', code, PYTHON_CPU_COUNT='1234') + self.assertEqual(self.res2int(res), (os.cpu_count(), os.process_cpu_count())) + es = assert_python_ok('-c', code, PYTHON_CPU_COUNT='default') + self.assertEqual(self.res2int(res), (os.cpu_count(), os.process_cpu_count())) + + def res2int(self, res): + out = res.out.strip().decode("utf-8") + return tuple(int(i) for i in out.split()) + @unittest.skipIf(interpreter_requires_environment(), 'Cannot run -I tests when PYTHON env vars are required.') @@ -990,6 +1070,7 @@ def test_sys_flags_not_set(self): class SyntaxErrorTests(unittest.TestCase): + @force_not_colorized def check_string(self, code): proc = subprocess.run([sys.executable, "-"], input=code, stdout=subprocess.PIPE, stderr=subprocess.PIPE) From 152bda962ef3f5f603ca83e480d7a77af76e595e Mon Sep 17 00:00:00 2001 From: Ashwin Naren Date: Fri, 14 Feb 2025 19:51:39 -0800 Subject: [PATCH 12/20] fix hang --- Lib/test/test_dict.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Lib/test/test_dict.py b/Lib/test/test_dict.py index 18fa5f1f704..462eb7ed30c 100644 --- a/Lib/test/test_dict.py +++ b/Lib/test/test_dict.py @@ -1287,7 +1287,7 @@ def __eq__(self, o): self.assertRaises(RuntimeError, d.update, other) # TODO: RUSTPYTHON - @unittest.expectedFailure + @unittest.skip("RUSTPYTHON hang") def test_free_after_iterating(self): support.check_free_after_iterating(self, iter, dict) support.check_free_after_iterating(self, lambda d: iter(d.keys()), dict) From d36db76d9d0e9689064372a55e367f5477c2b915 Mon Sep 17 00:00:00 2001 From: Ashwin Naren Date: Fri, 14 Feb 2025 20:01:41 -0800 Subject: [PATCH 13/20] fix test_http_cookies Signed-off-by: Ashwin Naren --- Lib/test/test_http_cookies.py | 9 +-------- 1 file changed, 1 insertion(+), 8 deletions(-) diff --git a/Lib/test/test_http_cookies.py b/Lib/test/test_http_cookies.py index 6072c7e15e9..ae268f747a1 100644 --- a/Lib/test/test_http_cookies.py +++ b/Lib/test/test_http_cookies.py @@ -1,7 +1,7 @@ # Simple test suite for http/cookies.py import copy -from test.support import run_unittest, run_doctest +from test import support import unittest from http import cookies import pickle @@ -478,10 +478,3 @@ def test_repr(self): self.assertRegex(str(morsel), r'Set-Cookie: key=coded_val; ' r'expires=\w+, \d+ \w+ \d+ \d+:\d+:\d+ \w+') - -def test_main(): - run_unittest(CookieTests, MorselTests) - run_doctest(cookies) - -if __name__ == '__main__': - test_main() From 74beb025df3870703988a2871e79cf92d7b42120 Mon Sep 17 00:00:00 2001 From: Ashwin Naren Date: Fri, 14 Feb 2025 20:21:36 -0800 Subject: [PATCH 14/20] fix test_generators Signed-off-by: Ashwin Naren --- Lib/test/test_generators.py | 14 -------------- 1 file changed, 14 deletions(-) diff --git a/Lib/test/test_generators.py b/Lib/test/test_generators.py index 5ed0986150a..c8d7f8788ca 100644 --- a/Lib/test/test_generators.py +++ b/Lib/test/test_generators.py @@ -2392,17 +2392,3 @@ def printsolution(self, x): "coroutine": coroutine_tests, "refleaks": refleaks_tests, } - -# Magic test name that regrtest.py invokes *after* importing this module. -# This worms around a bootstrap problem. -# Note that doctest and regrtest both look in sys.argv for a "-v" argument, -# so this works as expected in both ways of running regrtest. -def test_main(verbose=None): - from test import support, test_generators - support.run_unittest(__name__) - # TODO: RUSTPYTHON - # support.run_doctest(test_generators, verbose) - -# This part isn't needed for regrtest, but for running the test directly. -if __name__ == "__main__": - test_main(1) From 4577088e4637935c2ce24cea9ce7476a15f0b1ac Mon Sep 17 00:00:00 2001 From: Ashwin Naren Date: Fri, 14 Feb 2025 20:22:45 -0800 Subject: [PATCH 15/20] fix exceeds_recursion_limit Signed-off-by: Ashwin Naren --- Lib/test/test_ast.py | 2 +- Lib/test/test_collections.py | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/Lib/test/test_ast.py b/Lib/test/test_ast.py index af3e2bb5eb8..5d03b129983 100644 --- a/Lib/test/test_ast.py +++ b/Lib/test/test_ast.py @@ -1117,7 +1117,7 @@ def next(self): @unittest.skipIf(support.is_wasi, "exhausts limited stack on WASI") @support.cpython_only def test_ast_recursion_limit(self): - fail_depth = support.EXCEEDS_RECURSION_LIMIT + fail_depth = support.exceeds_recursion_limit() crash_depth = 100_000 success_depth = 1200 diff --git a/Lib/test/test_collections.py b/Lib/test/test_collections.py index ecd574ab831..09296bbe121 100644 --- a/Lib/test/test_collections.py +++ b/Lib/test/test_collections.py @@ -547,7 +547,7 @@ def test_odd_sizes(self): self.assertEqual(Dot(1)._replace(d=999), (999,)) self.assertEqual(Dot(1)._fields, ('d',)) - n = support.EXCEEDS_RECURSION_LIMIT + n = support.exceeds_recursion_limit() names = list(set(''.join([choice(string.ascii_letters) for j in range(10)]) for i in range(n))) n = len(names) From ad6ab5a1d0a956237232fb9dccc22cfde715ec60 Mon Sep 17 00:00:00 2001 From: Ashwin Naren Date: Fri, 14 Feb 2025 22:40:41 -0800 Subject: [PATCH 16/20] fix stackoverflow tests Signed-off-by: Ashwin Naren --- Lib/test/test_isinstance.py | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/Lib/test/test_isinstance.py b/Lib/test/test_isinstance.py index 9d37cff9903..8bc511fc15d 100644 --- a/Lib/test/test_isinstance.py +++ b/Lib/test/test_isinstance.py @@ -264,12 +264,16 @@ def test_subclass_tuple(self): self.assertEqual(True, issubclass(int, (int, (float, int)))) self.assertEqual(True, issubclass(str, (str, (Child, str)))) + # TODO: RUSTPYTHON + @unittest.skip("RustPython stackoverflow") def test_subclass_recursion_limit(self): # make sure that issubclass raises RecursionError before the C stack is # blown with support.infinite_recursion(): self.assertRaises(RecursionError, blowstack, issubclass, str, str) + # TODO: RUSTPYTHON + @unittest.skip("RustPython stackoverflow") def test_isinstance_recursion_limit(self): # make sure that issubclass raises RecursionError before the C stack is # blown @@ -306,6 +310,8 @@ def __bases__(self): self.assertEqual(True, issubclass(B(), int)) + # TODO: RUSTPYTHON + @unittest.skip("RustPython stackoverflow") def test_infinite_recursion_in_bases(self): class X: @property @@ -316,6 +322,8 @@ def __bases__(self): self.assertRaises(RecursionError, issubclass, int, X()) self.assertRaises(RecursionError, isinstance, 1, X()) + # TODO: RUSTPYTHON + @unittest.skip("RustPython stackoverflow") def test_infinite_recursion_via_bases_tuple(self): """Regression test for bpo-30570.""" class Failure(object): @@ -325,6 +333,8 @@ def __getattr__(self, attr): with self.assertRaises(RecursionError): issubclass(Failure(), int) + # TODO: RUSTPYTHON + @unittest.skip("RustPython stackoverflow") def test_infinite_cycle_in_bases(self): """Regression test for bpo-30570.""" class X: @@ -334,6 +344,8 @@ def __bases__(self): with support.infinite_recursion(): self.assertRaises(RecursionError, issubclass, X(), int) + # TODO: RUSTPYTHON + @unittest.skip("RustPython stackoverflow") def test_infinitely_many_bases(self): """Regression test for bpo-30570.""" class X: From 3f9198fcb0827794158ac8352fef35cffaf7f09b Mon Sep 17 00:00:00 2001 From: Ashwin Naren Date: Fri, 14 Feb 2025 22:41:00 -0800 Subject: [PATCH 17/20] mark failure on test Signed-off-by: Ashwin Naren --- Lib/test/test_fstring.py | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Lib/test/test_fstring.py b/Lib/test/test_fstring.py index b3a38dd6529..cc65dc68dd8 100644 --- a/Lib/test/test_fstring.py +++ b/Lib/test/test_fstring.py @@ -1660,6 +1660,8 @@ def test_errors(self): ], ) + # TODO: RUSTPYTHON + @unittest.expectedFailure def test_filename_in_syntaxerror(self): # see issue 38964 with temp_cwd() as cwd: From 5339f299a1417818868baa29b2dd1349a63c6c02 Mon Sep 17 00:00:00 2001 From: Ashwin Naren Date: Fri, 14 Feb 2025 22:45:44 -0800 Subject: [PATCH 18/20] change recursion tests and disabled it at the root Signed-off-by: Ashwin Naren --- Lib/test/support/__init__.py | 3 ++- Lib/test/test_faulthandler.py | 2 +- Lib/test/test_isinstance.py | 12 ------------ 3 files changed, 3 insertions(+), 14 deletions(-) diff --git a/Lib/test/support/__init__.py b/Lib/test/support/__init__.py index 2005ccced06..beff695bd29 100644 --- a/Lib/test/support/__init__.py +++ b/Lib/test/support/__init__.py @@ -2288,7 +2288,8 @@ def infinite_recursion(max_depth=None): # Pick a number large enough to cause problems # but not take too long for code that can handle # very deep recursion. - max_depth = 20_000 + # TODO: RUSTPYTHON: Fix this function + max_depth = 50 elif max_depth < 3: raise ValueError("max_depth must be at least 3, got {max_depth}") depth = get_recursion_depth() diff --git a/Lib/test/test_faulthandler.py b/Lib/test/test_faulthandler.py index c9838cb7147..800b3796f48 100644 --- a/Lib/test/test_faulthandler.py +++ b/Lib/test/test_faulthandler.py @@ -411,7 +411,7 @@ def test_dump_ext_modules(self): self.assertIn(name, modules) # TODO: RUSTPYTHON, AttributeError: module 'faulthandler' has no attribute 'is_enabled' - @unittest.expectedFailure + @unittest.skip("TODO: RUSTPYTHOn") def test_is_enabled(self): orig_stderr = sys.stderr try: diff --git a/Lib/test/test_isinstance.py b/Lib/test/test_isinstance.py index 8bc511fc15d..9d37cff9903 100644 --- a/Lib/test/test_isinstance.py +++ b/Lib/test/test_isinstance.py @@ -264,16 +264,12 @@ def test_subclass_tuple(self): self.assertEqual(True, issubclass(int, (int, (float, int)))) self.assertEqual(True, issubclass(str, (str, (Child, str)))) - # TODO: RUSTPYTHON - @unittest.skip("RustPython stackoverflow") def test_subclass_recursion_limit(self): # make sure that issubclass raises RecursionError before the C stack is # blown with support.infinite_recursion(): self.assertRaises(RecursionError, blowstack, issubclass, str, str) - # TODO: RUSTPYTHON - @unittest.skip("RustPython stackoverflow") def test_isinstance_recursion_limit(self): # make sure that issubclass raises RecursionError before the C stack is # blown @@ -310,8 +306,6 @@ def __bases__(self): self.assertEqual(True, issubclass(B(), int)) - # TODO: RUSTPYTHON - @unittest.skip("RustPython stackoverflow") def test_infinite_recursion_in_bases(self): class X: @property @@ -322,8 +316,6 @@ def __bases__(self): self.assertRaises(RecursionError, issubclass, int, X()) self.assertRaises(RecursionError, isinstance, 1, X()) - # TODO: RUSTPYTHON - @unittest.skip("RustPython stackoverflow") def test_infinite_recursion_via_bases_tuple(self): """Regression test for bpo-30570.""" class Failure(object): @@ -333,8 +325,6 @@ def __getattr__(self, attr): with self.assertRaises(RecursionError): issubclass(Failure(), int) - # TODO: RUSTPYTHON - @unittest.skip("RustPython stackoverflow") def test_infinite_cycle_in_bases(self): """Regression test for bpo-30570.""" class X: @@ -344,8 +334,6 @@ def __bases__(self): with support.infinite_recursion(): self.assertRaises(RecursionError, issubclass, X(), int) - # TODO: RUSTPYTHON - @unittest.skip("RustPython stackoverflow") def test_infinitely_many_bases(self): """Regression test for bpo-30570.""" class X: From 8a50e44974e81cd29a41314407fcdf97bb90f6c9 Mon Sep 17 00:00:00 2001 From: Ashwin Naren Date: Sat, 15 Feb 2025 10:56:35 -0800 Subject: [PATCH 19/20] test fixes Signed-off-by: Ashwin Naren --- Lib/test/seq_tests.py | 2 +- Lib/test/test_deque.py | 2 ++ Lib/test/test_exceptions.py | 2 ++ Lib/test/test_faulthandler.py | 2 +- Lib/test/test_iter.py | 2 +- Lib/test/test_ordered_dict.py | 2 +- Lib/test/test_set.py | 2 +- Lib/test/test_support.py | 10 ++++++++++ Lib/test/test_unicode.py | 2 +- 9 files changed, 20 insertions(+), 6 deletions(-) diff --git a/Lib/test/seq_tests.py b/Lib/test/seq_tests.py index 59db2664a02..e0e93177514 100644 --- a/Lib/test/seq_tests.py +++ b/Lib/test/seq_tests.py @@ -424,7 +424,7 @@ def test_pickle(self): self.assertNotEqual(id(lst2), id(lst)) # TODO: RUSTPYTHON - @unittest.expectedFailure + @unittest.skip("TODO: RustPython hang") def test_free_after_iterating(self): support.check_free_after_iterating(self, iter, self.type2test) support.check_free_after_iterating(self, reversed, self.type2test) diff --git a/Lib/test/test_deque.py b/Lib/test/test_deque.py index 2b0144eb068..6848834a872 100644 --- a/Lib/test/test_deque.py +++ b/Lib/test/test_deque.py @@ -920,6 +920,8 @@ def test_subscript(self): # For now, bypass tests that require slicing pass + # TODO: RUSTPYTHON + @unittest.skip("TODO: RustPython hang") def test_free_after_iterating(self): # For now, bypass tests that require slicing self.skipTest("Exhausted deque iterator doesn't free a deque") diff --git a/Lib/test/test_exceptions.py b/Lib/test/test_exceptions.py index 47e7894960d..ed17f0c4724 100644 --- a/Lib/test/test_exceptions.py +++ b/Lib/test/test_exceptions.py @@ -2322,6 +2322,8 @@ def __dir__(self): self.assertNotIn("blech", err.getvalue()) self.assertNotIn("oh no!", err.getvalue()) + # TODO: RUSTPYTHON + @unittest.expectedFailure def test_attribute_error_with_bad_name(self): try: raise AttributeError(name=12, obj=23) diff --git a/Lib/test/test_faulthandler.py b/Lib/test/test_faulthandler.py index 800b3796f48..1c4f88cdaeb 100644 --- a/Lib/test/test_faulthandler.py +++ b/Lib/test/test_faulthandler.py @@ -411,7 +411,7 @@ def test_dump_ext_modules(self): self.assertIn(name, modules) # TODO: RUSTPYTHON, AttributeError: module 'faulthandler' has no attribute 'is_enabled' - @unittest.skip("TODO: RUSTPYTHOn") + @unittest.skip("TODO: RUSTPYTHON") def test_is_enabled(self): orig_stderr = sys.stderr try: diff --git a/Lib/test/test_iter.py b/Lib/test/test_iter.py index 42b94a55c1d..9aba3a95d9c 100644 --- a/Lib/test/test_iter.py +++ b/Lib/test/test_iter.py @@ -1031,7 +1031,7 @@ def test_iter_neg_setstate(self): self.assertEqual(next(it), 1) # TODO: RUSTPYTHON - @unittest.expectedFailure + @unittest.skip("TODO: RustPython hang") def test_free_after_iterating(self): check_free_after_iterating(self, iter, SequenceClass, (0,)) diff --git a/Lib/test/test_ordered_dict.py b/Lib/test/test_ordered_dict.py index 4b5e17fd4df..56af513d961 100644 --- a/Lib/test/test_ordered_dict.py +++ b/Lib/test/test_ordered_dict.py @@ -681,7 +681,7 @@ class A: self.assertIsNone(r()) # TODO: RUSTPYTHON - @unittest.expectedFailure + @unittest.skip("TODO: RustPython hang") def test_free_after_iterating(self): support.check_free_after_iterating(self, iter, self.OrderedDict) support.check_free_after_iterating(self, lambda d: iter(d.keys()), self.OrderedDict) diff --git a/Lib/test/test_set.py b/Lib/test/test_set.py index 75447336e4b..ad100cd00c0 100644 --- a/Lib/test/test_set.py +++ b/Lib/test/test_set.py @@ -354,7 +354,7 @@ class C(object): self.assertTrue(ref() is None, "Cycle was not collected") # TODO: RUSTPYTHON - @unittest.expectedFailure + @unittest.skip("TODO: RustPython hang") def test_free_after_iterating(self): support.check_free_after_iterating(self, iter, self.thetype) diff --git a/Lib/test/test_support.py b/Lib/test/test_support.py index 4310f06924a..25a99be185d 100644 --- a/Lib/test/test_support.py +++ b/Lib/test/test_support.py @@ -311,6 +311,8 @@ def test_temp_cwd__name_none(self): def test_sortdict(self): self.assertEqual(support.sortdict({3:3, 2:2, 1:1}), "{1: 1, 2: 2, 3: 3}") + # TODO: RUSTPYTHON + @unittest.expectedFailure def test_make_bad_fd(self): fd = os_helper.make_bad_fd() with self.assertRaises(OSError) as cm: @@ -421,6 +423,8 @@ def test_detect_api_mismatch__ignore(self): self.OtherClass, self.RefClass, ignore=ignore) self.assertEqual(set(), missing_items) + # TODO: RUSTPYTHON + @unittest.expectedFailure def test_check__all__(self): extra = {'tempdir'} not_exported = {'template'} @@ -547,9 +551,11 @@ def test_optim_args_from_interpreter_flags(self): with self.subTest(opts=opts): self.check_options(opts, 'optim_args_from_interpreter_flags') + # TODO: RustPython @unittest.skipIf(support.is_apple_mobile, "Unstable on Apple Mobile") @unittest.skipIf(support.is_emscripten, "Unstable in Emscripten") @unittest.skipIf(support.is_wasi, "Unavailable on WASI") + @unittest.expectedFailure def test_fd_count(self): # We cannot test the absolute value of fd_count(): on old Linux kernel # or glibc versions, os.urandom() keeps a FD open on /dev/urandom @@ -582,6 +588,8 @@ def test_has_strftime_extensions(self): else: self.assertTrue(support.has_strftime_extensions) + # TODO: RUSTPYTHON + @unittest.expectedFailure def test_get_recursion_depth(self): # test support.get_recursion_depth() code = textwrap.dedent(""" @@ -625,6 +633,8 @@ def test_recursive(depth, limit): """) script_helper.assert_python_ok("-c", code) + # TODO: RustPython + @unittest.skip("TODO: RustPython stack overflow") def test_recursion(self): # Test infinite_recursion() and get_recursion_available() functions. def recursive_function(depth): diff --git a/Lib/test/test_unicode.py b/Lib/test/test_unicode.py index 3b5902a85e0..07e5221ce29 100644 --- a/Lib/test/test_unicode.py +++ b/Lib/test/test_unicode.py @@ -2597,7 +2597,7 @@ def test_compare(self): self.assertFalse(astral >= astral2) # TODO: RUSTPYTHON - @unittest.expectedFailure + @unittest.skip("TODO: RustPython hang") def test_free_after_iterating(self): support.check_free_after_iterating(self, iter, str) support.check_free_after_iterating(self, reversed, str) From d399da97c3fddb5629c9da72a789138effd905c8 Mon Sep 17 00:00:00 2001 From: Ashwin Naren Date: Mon, 17 Feb 2025 11:50:43 -0800 Subject: [PATCH 20/20] don't skip check_free_after_iterating Signed-off-by: Ashwin Naren --- Lib/test/seq_tests.py | 2 +- Lib/test/support/__init__.py | 43 +++++++++++++++++++---------------- Lib/test/test_array.py | 2 +- Lib/test/test_bytes.py | 2 +- Lib/test/test_dict.py | 2 +- Lib/test/test_iter.py | 2 +- Lib/test/test_ordered_dict.py | 2 +- Lib/test/test_set.py | 2 +- Lib/test/test_unicode.py | 2 +- 9 files changed, 31 insertions(+), 28 deletions(-) diff --git a/Lib/test/seq_tests.py b/Lib/test/seq_tests.py index e0e93177514..59db2664a02 100644 --- a/Lib/test/seq_tests.py +++ b/Lib/test/seq_tests.py @@ -424,7 +424,7 @@ def test_pickle(self): self.assertNotEqual(id(lst2), id(lst)) # TODO: RUSTPYTHON - @unittest.skip("TODO: RustPython hang") + @unittest.expectedFailure def test_free_after_iterating(self): support.check_free_after_iterating(self, iter, self.type2test) support.check_free_after_iterating(self, reversed, self.type2test) diff --git a/Lib/test/support/__init__.py b/Lib/test/support/__init__.py index beff695bd29..1e6899b6ffa 100644 --- a/Lib/test/support/__init__.py +++ b/Lib/test/support/__init__.py @@ -1858,27 +1858,30 @@ def _check_tracemalloc(): "memory allocations") -def check_free_after_iterating(test, iter, cls, args=()): - done = False - def wrapper(): - class A(cls): - def __del__(self): - nonlocal done - done = True - try: - next(it) - except StopIteration: - pass - - it = iter(A(*args)) - # Issue 26494: Shouldn't crash - test.assertRaises(StopIteration, next, it) - - wrapper() - # The sequence should be deallocated just after the end of iterating - gc_collect() - test.assertTrue(done) +# TODO: RUSTPYTHON +# def check_free_after_iterating(test, iter, cls, args=()): +# done = False +# def wrapper(): +# class A(cls): +# def __del__(self): +# nonlocal done +# done = True +# try: +# next(it) +# except StopIteration: +# pass +# +# it = iter(A(*args)) +# # Issue 26494: Shouldn't crash +# test.assertRaises(StopIteration, next, it) +# +# wrapper() +# # The sequence should be deallocated just after the end of iterating +# gc_collect() +# test.assertTrue(done) +def check_free_after_iterating(test, iter, cls, args=()): + raise NotImplementedError("check_free_after_iterating() is not implemented") def missing_compiler_executable(cmd_names=[]): """Check if the compiler components used to build the interpreter exist. diff --git a/Lib/test/test_array.py b/Lib/test/test_array.py index d4c1429673d..c3250ef72e2 100644 --- a/Lib/test/test_array.py +++ b/Lib/test/test_array.py @@ -1157,7 +1157,7 @@ def test_obsolete_write_lock(self): self.assertRaises(BufferError, _testcapi.getbuffer_with_null_view, a) # TODO: RUSTPYTHON - @unittest.skip("TODO: RustPython hang") + @unittest.expectedFailure def test_free_after_iterating(self): support.check_free_after_iterating(self, iter, array.array, (self.typecode,)) diff --git a/Lib/test/test_bytes.py b/Lib/test/test_bytes.py index 90ca2cacd7c..baf84642ee8 100644 --- a/Lib/test/test_bytes.py +++ b/Lib/test/test_bytes.py @@ -960,7 +960,7 @@ def test_find_etc_raise_correct_error_messages(self): x, None, None, None) # TODO: RUSTPYTHON - @unittest.skip("TODO: RustPython hang") + @unittest.expectedFailure def test_free_after_iterating(self): test.support.check_free_after_iterating(self, iter, self.type2test) test.support.check_free_after_iterating(self, reversed, self.type2test) diff --git a/Lib/test/test_dict.py b/Lib/test/test_dict.py index 462eb7ed30c..18fa5f1f704 100644 --- a/Lib/test/test_dict.py +++ b/Lib/test/test_dict.py @@ -1287,7 +1287,7 @@ def __eq__(self, o): self.assertRaises(RuntimeError, d.update, other) # TODO: RUSTPYTHON - @unittest.skip("RUSTPYTHON hang") + @unittest.expectedFailure def test_free_after_iterating(self): support.check_free_after_iterating(self, iter, dict) support.check_free_after_iterating(self, lambda d: iter(d.keys()), dict) diff --git a/Lib/test/test_iter.py b/Lib/test/test_iter.py index 9aba3a95d9c..42b94a55c1d 100644 --- a/Lib/test/test_iter.py +++ b/Lib/test/test_iter.py @@ -1031,7 +1031,7 @@ def test_iter_neg_setstate(self): self.assertEqual(next(it), 1) # TODO: RUSTPYTHON - @unittest.skip("TODO: RustPython hang") + @unittest.expectedFailure def test_free_after_iterating(self): check_free_after_iterating(self, iter, SequenceClass, (0,)) diff --git a/Lib/test/test_ordered_dict.py b/Lib/test/test_ordered_dict.py index 56af513d961..4b5e17fd4df 100644 --- a/Lib/test/test_ordered_dict.py +++ b/Lib/test/test_ordered_dict.py @@ -681,7 +681,7 @@ class A: self.assertIsNone(r()) # TODO: RUSTPYTHON - @unittest.skip("TODO: RustPython hang") + @unittest.expectedFailure def test_free_after_iterating(self): support.check_free_after_iterating(self, iter, self.OrderedDict) support.check_free_after_iterating(self, lambda d: iter(d.keys()), self.OrderedDict) diff --git a/Lib/test/test_set.py b/Lib/test/test_set.py index ad100cd00c0..75447336e4b 100644 --- a/Lib/test/test_set.py +++ b/Lib/test/test_set.py @@ -354,7 +354,7 @@ class C(object): self.assertTrue(ref() is None, "Cycle was not collected") # TODO: RUSTPYTHON - @unittest.skip("TODO: RustPython hang") + @unittest.expectedFailure def test_free_after_iterating(self): support.check_free_after_iterating(self, iter, self.thetype) diff --git a/Lib/test/test_unicode.py b/Lib/test/test_unicode.py index 07e5221ce29..3b5902a85e0 100644 --- a/Lib/test/test_unicode.py +++ b/Lib/test/test_unicode.py @@ -2597,7 +2597,7 @@ def test_compare(self): self.assertFalse(astral >= astral2) # TODO: RUSTPYTHON - @unittest.skip("TODO: RustPython hang") + @unittest.expectedFailure def test_free_after_iterating(self): support.check_free_after_iterating(self, iter, str) support.check_free_after_iterating(self, reversed, str)