Fix mechanism to pass flag for leak tracking.#141226
Fix mechanism to pass flag for leak tracking.#141226auto-submit[bot] merged 20 commits intoflutter:masterfrom
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It looks like this pull request may not have tests. Please make sure to add tests before merging. If you need an exemption to this rule, contact "@test-exemption-reviewer" in the #hackers channel in Chat (don't just cc them here, they won't see it! Use Discord!). If you are not sure if you need tests, consider this rule of thumb: the purpose of a test is to make sure someone doesn't accidentally revert the fix. Ask yourself, is there anything in your PR that you feel it is important we not accidentally revert back to how it was before your fix? Reviewers: Read the Tree Hygiene page and make sure this patch meets those guidelines before LGTMing. |
| // to provide a way to detect if the env variable is passed as expected on bots, that is not obvious. | ||
| // Sometimes the bot's environment contains `LEAK_TRACKING=true` but the value is not passed to the test. | ||
| // https://github.com/dart-lang/sdk/issues/54568 | ||
| debugPrint('Leak tracking is enabled.'); |
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Could you validate this by export LEAK_TRACKING=true, and run the test locally? If validated, then no need to add this print.
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Nope, it does not work locally:
polinach-macbookpro3:flutter polinach$ echo $LEAK_TRACKING
true
polinach-macbookpro3:flutter polinach$ flutter test /Users/polinach/_/flutter_dev/packages/flutter/test/widgets/page_view_test.dart
00:03 +33: All tests passed!
polinach-macbookpro3:flutter polinach$ flutter test --dart-define LEAK_TRACKING=true /Users/polinach/_/flutter_dev/packages/flutter/test/widgets/page_view_test.dart
00:01 +0: loading /Users/polinach/_/flutter_dev/packages/flutter/test/widgets/page_view_test.dart
Leak tracking is enabled.
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But it works on bots
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That's why I filed a bug: dart-lang/sdk#54568
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Hum, weird, it works for me locally with your patch const bool.fromEnvironment('LEAK_TRACKING') || (bool.tryParse(Platform.environment['LEAK_TRACKING'] ?? '') ?? false);:
keyonghan-macbookpro2:test keyonghan$ echo $LEAK_TRACKING
true
keyonghan-macbookpro2:test keyonghan$ flutter test /Users/keyonghan/Documents/work/flutter/packages/flutter/test/widgets/page_view_test.dart
Changing current working directory to: /Users/keyonghan/Documents/work/flutter/packages/flutter
00:01 +0: loading /Users/keyonghan/Documents/work/flutter/packages/flutter/test/widgets/page_view_test.dart
Leak tracking is enabled.
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Weird
Added version information to the bug.
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Nit: add a TODO to remove after the reference issue is fixed.
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@stuartmorgan found what is wrong: #141299
Removed print.
| // to provide a way to detect if the env variable is passed as expected on bots, that is not obvious. | ||
| // Sometimes the bot's environment contains `LEAK_TRACKING=true` but the value is not passed to the test. | ||
| // https://github.com/dart-lang/sdk/issues/54568 | ||
| debugPrint('Leak tracking is enabled.'); |
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Nit: add a TODO to remove after the reference issue is fixed.
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