pytest.warns checks for subclass relationship rather than class equality #2166
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lesteve
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Thanks @lesteve for the PR, appreciate it! I rebased your branch into the latest |
nicoddemus
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Dec 29, 2016
| assert str(record[0].message) == "user" | ||
| assert str(record[1].message) == "runtime" | ||
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| def test_record_by_subclass(self): |
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Could you please also add a test which checks for warning subclasses when the user passes more than one warning to pytest.warns? For example:
class Warn1(UserWarning): pass
class Warn2(RuntimeWarning): pass
with pytest.warns((UserWarning, RuntimeWarning)):
warnings.warn("w1", Warn1)
warnings.warn("w2", Warn2)
assert len(record) == 2
...
lesteve
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Not at all, I think this is a really nice recent addition in GitHub that maintainers can push into PR branches! |
nicoddemus
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Dec 30, 2016
| assert str(record[0].message) == "user" | ||
| assert str(record[1].message) == "runtime" | ||
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| def test_record_by_subclass(self): |
_pytest/recwarn.py
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| if all(a is None for a in exc_info): | ||
| if self.expected_warning is not None: | ||
| if not any(r.category in self.expected_warning for r in self): | ||
| if not any(issubclass(r.category, exp_warning) for |
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lets use issubclass with the propper classinfo support here, no need for own loops, please check the docs
rather than class equality. This makes it more similar to pytest.raises.
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RonnyPfannschmidt
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Thanks a lot @lesteve! |
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Great, thanks a lot! |
This was referenced Mar 6, 2018
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This makes it more similar to pytest.raises. Fix #2151.