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Improve test failure messages on warnings. - #16528

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tacaswell merged 1 commit into
matplotlib:masterfrom
anntzer:failwarn
Feb 16, 2020
Merged

tacaswell merged 1 commit into
matplotlib:masterfrom
anntzer:failwarn

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@anntzer

@anntzer anntzer commented Feb 16, 2020 •

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When a test fails due to a warning, this improves the failure message
from assert 1 == 0 where 1 = len(WarningsChecker(record=True)) to the
actual warning message.

See e.g. #16509 (comment).

PR Summary

PR Checklist

  • Has Pytest style unit tests
  • Code is Flake 8 compliant
  • New features are documented, with examples if plot related
  • Documentation is sphinx and numpydoc compliant
  • Added an entry to doc/users/next_whats_new/ if major new feature (follow instructions in README.rst there)
  • Documented in doc/api/api_changes.rst if API changed in a backward-incompatible way

When a test fails due to a warning, this improves the failure message
from `assert 1 == 0 where 1 = len(WarningsChecker(record=True))` to the
actual warning message.
@anntzer anntzer added this to the v3.3.0 milestone Feb 16, 2020
@anntzer anntzer mentioned this pull request Feb 16, 2020
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@tacaswell

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The test coverage change looks like it is due to the upload from appveyor failing.

@tacaswell
tacaswell merged commit d97d67d into matplotlib:master Feb 16, 2020
@anntzer
anntzer deleted the failwarn branch February 16, 2020 18:39
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3 participants