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TypeCombinatorTest.php
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5736 lines (5632 loc) · 132 KB
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<?php declare(strict_types = 1);
namespace PHPStan\Type;
use Bug9006\TestInterface;
use CheckTypeFunctionCall\FinalClassWithMethodExists;
use CheckTypeFunctionCall\FinalClassWithPropertyExists;
use Closure;
use DateTime;
use DateTimeImmutable;
use DateTimeInterface;
use DynamicProperties\FinalFoo;
use Exception;
use InvalidArgumentException;
use Iterator;
use ObjectShapesAcceptance\ClassWithFooIntProperty;
use PHPStan\Fixture\FinalClass;
use PHPStan\Generics\FunctionsAssertType\C;
use PHPStan\Reflection\Callables\SimpleImpurePoint;
use PHPStan\Testing\PHPStanTestCase;
use PHPStan\TrinaryLogic;
use PHPStan\Type\Accessory\AccessoryArrayListType;
use PHPStan\Type\Accessory\AccessoryDecimalIntegerStringType;
use PHPStan\Type\Accessory\AccessoryLiteralStringType;
use PHPStan\Type\Accessory\AccessoryLowercaseStringType;
use PHPStan\Type\Accessory\AccessoryNonEmptyStringType;
use PHPStan\Type\Accessory\AccessoryNonFalsyStringType;
use PHPStan\Type\Accessory\AccessoryNumericStringType;
use PHPStan\Type\Accessory\AccessoryUppercaseStringType;
use PHPStan\Type\Accessory\HasMethodType;
use PHPStan\Type\Accessory\HasOffsetType;
use PHPStan\Type\Accessory\HasOffsetValueType;
use PHPStan\Type\Accessory\HasPropertyType;
use PHPStan\Type\Accessory\NonEmptyArrayType;
use PHPStan\Type\Accessory\OversizedArrayType;
use PHPStan\Type\Constant\ConstantArrayType;
use PHPStan\Type\Constant\ConstantBooleanType;
use PHPStan\Type\Constant\ConstantFloatType;
use PHPStan\Type\Constant\ConstantIntegerType;
use PHPStan\Type\Constant\ConstantStringType;
use PHPStan\Type\Enum\EnumCaseObjectType;
use PHPStan\Type\Generic\GenericClassStringType;
use PHPStan\Type\Generic\GenericObjectType;
use PHPStan\Type\Generic\GenericStaticType;
use PHPStan\Type\Generic\TemplateBenevolentUnionType;
use PHPStan\Type\Generic\TemplateIntersectionType;
use PHPStan\Type\Generic\TemplateMixedType;
use PHPStan\Type\Generic\TemplateObjectType;
use PHPStan\Type\Generic\TemplateObjectWithoutClassType;
use PHPStan\Type\Generic\TemplateType;
use PHPStan\Type\Generic\TemplateTypeFactory;
use PHPStan\Type\Generic\TemplateTypeScope;
use PHPStan\Type\Generic\TemplateTypeVariance;
use PHPUnit\Framework\Attributes\DataProvider;
use RecursionCallable\Foo;
use stdClass;
use Stringable;
use Test\ClassWithNullableProperty;
use Test\ClassWithToString;
use Test\FirstInterface;
use Throwable;
use Traversable;
use function array_map;
use function array_reverse;
use function get_class;
use function implode;
use function sprintf;
use const PHP_VERSION_ID;
class TypeCombinatorTest extends PHPStanTestCase
{
public static function dataAddNull(): array
{
return [
[
new MixedType(),
MixedType::class,
'mixed',
],
[
new NullType(),
NullType::class,
'null',
],
[
new VoidType(),
UnionType::class,
'void|null',
],
[
new StringType(),
UnionType::class,
'string|null',
],
[
new UnionType([
new StringType(),
new IntegerType(),
]),
UnionType::class,
'int|string|null',
],
[
new UnionType([
new StringType(),
new IntegerType(),
new NullType(),
]),
UnionType::class,
'int|string|null',
],
[
new IntersectionType([
new IterableType(new MixedType(), new StringType()),
new ObjectType('ArrayObject'),
]),
UnionType::class,
'(ArrayObject&iterable<string>)|null',
],
[
new UnionType([
new IntersectionType([
new IterableType(new MixedType(), new StringType()),
new ObjectType('ArrayObject'),
]),
new NullType(),
]),
UnionType::class,
'(ArrayObject&iterable<string>)|null',
],
];
}
/**
* @param class-string<Type> $expectedTypeClass
*/
#[DataProvider('dataAddNull')]
public function testAddNull(
Type $type,
string $expectedTypeClass,
string $expectedTypeDescription,
): void
{
$result = TypeCombinator::addNull($type);
$this->assertSame($expectedTypeDescription, $result->describe(VerbosityLevel::precise()));
$this->assertInstanceOf($expectedTypeClass, $result);
}
/**
* @param class-string<Type> $expectedTypeClass
*/
#[DataProvider('dataAddNull')]
public function testUnionWithNull(
Type $type,
string $expectedTypeClass,
string $expectedTypeDescription,
): void
{
$result = TypeCombinator::union($type, new NullType());
$this->assertSame($expectedTypeDescription, $result->describe(VerbosityLevel::precise()));
$this->assertInstanceOf($expectedTypeClass, $result);
}
public static function dataRemoveNull(): array
{
$reflectionProvider = self::createReflectionProvider();
return [
[
new MixedType(),
MixedType::class,
'mixed',
],
[
new NullType(),
NeverType::class,
'*NEVER*',
],
[
new VoidType(),
VoidType::class,
'void',
],
[
new StringType(),
StringType::class,
'string',
],
[
new UnionType([
new StringType(),
new IntegerType(),
new NullType(),
]),
UnionType::class,
'int|string',
],
[
new UnionType([
new StringType(),
new IntegerType(),
]),
UnionType::class,
'int|string',
],
[
new UnionType([
new IntersectionType([
new IterableType(new MixedType(), new StringType()),
new ObjectType('ArrayObject'),
]),
new NullType(),
]),
IntersectionType::class,
'ArrayObject&iterable<string>',
],
[
new IntersectionType([
new IterableType(new MixedType(), new StringType()),
new ObjectType('ArrayObject'),
]),
IntersectionType::class,
'ArrayObject&iterable<string>',
],
[
new UnionType([
new ThisType($reflectionProvider->getClass(Exception::class)),
new NullType(),
]),
ThisType::class,
'$this(Exception)',
],
[
new UnionType([
new ThisType($reflectionProvider->getClass(Exception::class)),
new NullType(),
]),
ThisType::class,
'$this(Exception)',
],
[
new UnionType([
new IterableType(new MixedType(), new StringType()),
new NullType(),
]),
IterableType::class,
'iterable<string>',
],
];
}
/**
* @param class-string<Type> $expectedTypeClass
*/
#[DataProvider('dataRemoveNull')]
public function testRemoveNull(
Type $type,
string $expectedTypeClass,
string $expectedTypeDescription,
): void
{
$result = TypeCombinator::removeNull($type);
$this->assertSame($expectedTypeDescription, $result->describe(VerbosityLevel::precise()));
$this->assertInstanceOf($expectedTypeClass, $result);
}
public static function dataUnion(): iterable
{
yield from [
[
[
new StringType(),
new NullType(),
],
UnionType::class,
'string|null',
],
[
[
new MixedType(),
new IntegerType(),
],
MixedType::class,
'mixed=implicit',
],
[
[
new ConstantBooleanType(true),
new ConstantBooleanType(false),
],
BooleanType::class,
'bool',
],
[
[
new StringType(),
new IntegerType(),
],
UnionType::class,
'int|string',
],
[
[
new UnionType([
new StringType(),
new IntegerType(),
]),
new StringType(),
],
UnionType::class,
'int|string',
],
[
[
new UnionType([
new StringType(),
new IntegerType(),
]),
new ConstantBooleanType(true),
],
UnionType::class,
'int|string|true',
],
[
[
new UnionType([
new StringType(),
new IntegerType(),
]),
new NullType(),
],
UnionType::class,
'int|string|null',
],
[
[
new UnionType([
new StringType(),
new IntegerType(),
new NullType(),
]),
new NullType(),
],
UnionType::class,
'int|string|null',
],
[
[
new UnionType([
new StringType(),
new IntegerType(),
]),
new StringType(),
],
UnionType::class,
'int|string',
],
[
[
new IntersectionType([
new IterableType(new MixedType(), new IntegerType()),
new ObjectType('ArrayObject'),
]),
new StringType(),
],
UnionType::class,
'(ArrayObject&iterable<int>)|string',
],
[
[
new IntersectionType([
new IterableType(new MixedType(), new IntegerType()),
new ObjectType('ArrayObject'),
]),
new ArrayType(new MixedType(), new StringType()),
],
UnionType::class,
'array<string>|(ArrayObject&iterable<int>)',
],
[
[
new UnionType([
new ConstantBooleanType(true),
new IntegerType(),
]),
new ArrayType(new MixedType(), new StringType()),
],
UnionType::class,
'array<string>|int|true',
],
[
[
new UnionType([
new ArrayType(new MixedType(), new ObjectType('Foo')),
new ArrayType(new MixedType(), new ObjectType('Bar')),
]),
new ArrayType(new MixedType(), new MixedType()),
],
ArrayType::class,
'array',
],
[
[
new IterableType(new MixedType(), new MixedType()),
new ArrayType(new MixedType(), new StringType()),
],
IterableType::class,
'iterable',
],
[
[
new IterableType(new MixedType(), new MixedType()),
new ArrayType(new MixedType(), new MixedType()),
],
IterableType::class,
'iterable',
],
[
[
new ArrayType(new MixedType(), new StringType()),
],
ArrayType::class,
'array<string>',
],
[
[
new ObjectType('ArrayObject'),
new ObjectType('ArrayIterator'),
new ArrayType(new MixedType(), new StringType()),
],
UnionType::class,
'array<string>|ArrayIterator|ArrayObject',
],
[
[
new ObjectType('ArrayObject'),
new ObjectType('ArrayIterator'),
new ArrayType(new MixedType(), new StringType()),
new ArrayType(new MixedType(), new IntegerType()),
],
UnionType::class,
'array<int|string>|ArrayIterator|ArrayObject',
],
[
[
new IntersectionType([
new IterableType(new MixedType(), new IntegerType()),
new ObjectType('ArrayObject'),
]),
new ArrayType(new MixedType(), new IntegerType()),
],
UnionType::class,
'array<int>|(ArrayObject&iterable<int>)',
],
[
[
new ObjectType('UnknownClass'),
new ObjectType('UnknownClass'),
],
ObjectType::class,
'UnknownClass',
],
[
[
new IntersectionType([
new ObjectType('DateTimeInterface'),
new ObjectType('Traversable'),
]),
new IntersectionType([
new ObjectType('DateTimeInterface'),
new ObjectType('Traversable'),
]),
],
IntersectionType::class,
'DateTimeInterface&Traversable',
],
[
[
new ObjectType('UnknownClass'),
new ObjectType('UnknownClass'),
],
ObjectType::class,
'UnknownClass',
],
[
[
new StringType(),
new NeverType(),
],
StringType::class,
'string',
],
[
[
new IntersectionType([
new ObjectType('ArrayObject'),
new IterableType(new MixedType(), new StringType()),
]),
new NeverType(),
],
IntersectionType::class,
'ArrayObject&iterable<string>',
],
[
[
new IterableType(new MixedType(), new MixedType()),
new IterableType(new MixedType(), new StringType()),
],
IterableType::class,
'iterable',
],
[
[
new IterableType(new MixedType(), new IntegerType()),
new IterableType(new MixedType(), new StringType()),
],
IterableType::class,
'iterable<int|string>',
],
[
[
new IterableType(new MixedType(), new IntegerType()),
new IterableType(new IntegerType(), new StringType()),
],
IterableType::class,
'iterable<int|string>',
],
[
[
new IterableType(new StringType(), new IntegerType()),
new IterableType(new IntegerType(), new StringType()),
],
IterableType::class,
'iterable<int|string, int|string>',
],
[
[
new ArrayType(new MixedType(), new MixedType()),
new ArrayType(new MixedType(), new StringType()),
],
ArrayType::class,
'array',
],
[
[
new ArrayType(new MixedType(), new IntegerType()),
new ArrayType(new MixedType(), new StringType()),
],
ArrayType::class,
'array<int|string>',
],
[
[
new ArrayType(new MixedType(), new IntegerType()),
new ArrayType(new IntegerType(), new StringType()),
],
ArrayType::class,
'array<int|string>',
],
[
[
new ArrayType(new StringType(), new IntegerType()),
new ArrayType(new IntegerType(), new StringType()),
],
ArrayType::class,
'array<int|string, int|string>',
],
[
[
new UnionType([
new StringType(),
new NullType(),
]),
new UnionType([
new StringType(),
new NullType(),
]),
new UnionType([
new ObjectType('Unknown'),
new NullType(),
]),
],
UnionType::class,
'string|Unknown|null',
],
[
[
new ObjectType(Foo::class),
new CallableType(),
],
UnionType::class,
'(callable(): mixed)|RecursionCallable\Foo',
],
[
[
new IntegerType(),
new ConstantIntegerType(1),
],
IntegerType::class,
'int',
],
[
[
new ConstantIntegerType(1),
new ConstantIntegerType(1),
],
ConstantIntegerType::class,
'1',
],
[
[
new ConstantIntegerType(1),
new ConstantIntegerType(2),
],
UnionType::class,
'1|2',
],
[
[
new FloatType(),
new ConstantFloatType(1.0),
],
FloatType::class,
'float',
],
[
[
new ConstantFloatType(1.0),
new ConstantFloatType(1.0),
],
ConstantFloatType::class,
'1.0',
],
[
[
new ConstantFloatType(1.0),
new ConstantFloatType(2.0),
],
UnionType::class,
'1.0|2.0',
],
[
[
new StringType(),
new ConstantStringType('A'),
],
StringType::class,
'string',
],
[
[
new ConstantStringType('A'),
new ConstantStringType('A'),
],
ConstantStringType::class,
'\'A\'',
],
[
[
new ConstantStringType('A'),
new ConstantStringType('B'),
],
UnionType::class,
'\'A\'|\'B\'',
],
[
[
new BooleanType(),
new ConstantBooleanType(true),
],
BooleanType::class,
'bool',
],
[
[
new ConstantBooleanType(true),
new ConstantBooleanType(true),
],
ConstantBooleanType::class,
'true',
],
[
[
new ConstantBooleanType(false),
new ConstantBooleanType(false),
],
ConstantBooleanType::class,
'false',
],
[
[
new ConstantBooleanType(true),
new ConstantBooleanType(false),
],
BooleanType::class,
'bool',
],
[
[
new ObjectType(Closure::class),
new ClosureType([], new MixedType(), false),
],
ObjectType::class,
'Closure',
],
[
[
new ClosureType([], new MixedType(), false),
new CallableType(),
],
CallableType::class,
'callable(): mixed',
],
[
// same keys - can remain ConstantArrayType
[
new ConstantArrayType([
new ConstantStringType('foo'),
new ConstantStringType('bar'),
], [
new ObjectType(DateTimeImmutable::class),
new IntegerType(),
]),
new ConstantArrayType([
new ConstantStringType('foo'),
new ConstantStringType('bar'),
], [
new NullType(),
new StringType(),
]),
],
UnionType::class,
'array{foo: DateTimeImmutable, bar: int}|array{foo: null, bar: string}',
],
[
[
new ConstantArrayType([
new ConstantStringType('foo'),
new ConstantStringType('bar'),
], [
new ObjectType(DateTimeImmutable::class),
new IntegerType(),
]),
new ConstantArrayType([
new ConstantStringType('foo'),
], [
new NullType(),
]),
],
UnionType::class,
'array{foo: DateTimeImmutable, bar: int}|array{foo: null}',
],
[
[
new ConstantArrayType([
new ConstantStringType('foo'),
new ConstantStringType('bar'),
], [
new ObjectType(DateTimeImmutable::class),
new IntegerType(),
]),
new ConstantArrayType([
new ConstantStringType('foo'),
new ConstantStringType('bar'),
new ConstantStringType('baz'),
], [
new NullType(),
new StringType(),
new IntegerType(),
]),
],
UnionType::class,
'array{foo: DateTimeImmutable, bar: int}|array{foo: null, bar: string, baz: int}',
],
[
[
new ArrayType(
new IntegerType(),
new ObjectType(stdClass::class),
),
new ConstantArrayType([
new ConstantStringType('foo'),
new ConstantStringType('bar'),
], [
new ObjectType(DateTimeImmutable::class),
new IntegerType(),
]),
],
ArrayType::class,
'array<\'bar\'|\'foo\'|int, DateTimeImmutable|int|stdClass>',
],
[
[
new ConstantArrayType([new ConstantIntegerType(0)], [new StringType()]),
new ArrayType(new MixedType(), new StringType()),
],
ArrayType::class,
'array<string>',
],
[
[
new ConstantArrayType([], []),
new ConstantArrayType([new ConstantIntegerType(0)], [new StringType()]),
new ArrayType(new MixedType(), new StringType()),
],
ArrayType::class,
'array<string>',
],
[
[
new UnionType([new IntegerType(), new StringType()]),
new BenevolentUnionType([new IntegerType(), new StringType()]),
],
BenevolentUnionType::class,
'(int|string)',
],
[
[
new IntegerType(),
new BenevolentUnionType([new IntegerType(), new StringType()]),
],
BenevolentUnionType::class,
'(int|string)',
],
[
[
new StringType(),
new BenevolentUnionType([new IntegerType(), new StringType()]),
],
BenevolentUnionType::class,
'(int|string)',
],
[
[
new UnionType([new IntegerType(), new StringType(), new FloatType()]),
new BenevolentUnionType([new IntegerType(), new StringType()]),
],
UnionType::class,
'float|int|string',
],
[
[
new UnionType([new StringType(), new FloatType()]),
new BenevolentUnionType([new IntegerType(), new StringType()]),
],
UnionType::class,
'float|int|string',
],
[
[
new UnionType([new IntegerType(), new FloatType()]),
new BenevolentUnionType([new IntegerType(), new StringType()]),
],
UnionType::class,
'float|int|string',
],
[
[
new ConstantStringType('foo'),
new ConstantStringType('foo'),
new ConstantStringType('bar'),
new ConstantStringType('baz'),
new ConstantStringType('lorem'),
],
UnionType::class,
"'bar'|'baz'|'foo'|'lorem'",
],
[
[
new ConstantStringType('foo'),
new ConstantStringType('foo'),
new ConstantStringType('fooo'),
new ConstantStringType('bar'),
new ConstantStringType('barr'),
new ConstantStringType('baz'),
new ConstantStringType('bazz'),
new ConstantStringType('lorem'),
new ConstantStringType('loremm'),
new ConstantStringType('loremmm'),
],
UnionType::class,
"'bar'|'barr'|'baz'|'bazz'|'foo'|'fooo'|'lorem'|'loremm'|'loremmm'",
],
[
[
new IntersectionType([
new ObjectWithoutClassType(),
new HasPropertyType('foo'),
]),
new IntersectionType([
new ObjectWithoutClassType(),
new HasPropertyType('foo'),
]),
],
IntersectionType::class,
'object&hasProperty(foo)',
],
[
[
new IntersectionType([
new ConstantArrayType(
[
new ConstantIntegerType(0),
new ConstantIntegerType(1),
],
[
new ObjectWithoutClassType(),
new ConstantStringType('foo'),
],
),
new CallableType(),
]),
new IntersectionType([
new ConstantArrayType(
[
new ConstantIntegerType(0),
new ConstantIntegerType(1),
],
[
new ObjectWithoutClassType(),
new ConstantStringType('foo'),
],
),
new CallableType(),
]),
],
IntersectionType::class,
'array{object, \'foo\'}&callable(): mixed',
],
[
[
new IntersectionType([new ArrayType(new MixedType(), new MixedType()), new NonEmptyArrayType()]),
new ConstantArrayType([], []),
],
ArrayType::class,
'array',
],
[
[
new IntersectionType([
new ArrayType(new MixedType(), new MixedType()),
new HasOffsetType(new ConstantStringType('foo')),
]),
new ArrayType(new MixedType(), new MixedType()),
],
ArrayType::class,
'array',
],
[
[
new IntersectionType([
new ArrayType(new MixedType(), new MixedType()),
new HasOffsetType(new ConstantStringType('foo')),
]),
new IntersectionType([
new ArrayType(new MixedType(), new MixedType()),
new HasOffsetType(new ConstantStringType('bar')),
]),
],
IntersectionType::class,
'non-empty-array',
],
[
[
new IntersectionType([
new ArrayType(new MixedType(), new MixedType()),
new HasOffsetType(new ConstantStringType('foo')),
]),
new IntersectionType([
new ArrayType(new MixedType(), new MixedType()),
new HasOffsetType(new ConstantStringType('foo')),
new HasOffsetType(new ConstantStringType('bar')),
]),
],
IntersectionType::class,
'non-empty-array&hasOffsetValue(\'foo\', mixed)',
],
[
[
new IntersectionType([
new ArrayType(new MixedType(), new MixedType()),
new HasOffsetType(new ConstantStringType('foo')),
]),
new IntersectionType([
new ArrayType(new MixedType(), new MixedType()),
new HasOffsetValueType(new ConstantIntegerType(2), new ConstantStringType('foo')),
]),
],
IntersectionType::class,
'non-empty-array',
],
[
[
new BenevolentUnionType([new IntegerType(), new StringType()]),
new BenevolentUnionType([new IntegerType(), new StringType()]),
],
BenevolentUnionType::class,
'(int|string)',
],