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bpo-39385: Add an assertNoLogs context manager to unittest.TestCase (GH-18067)

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Co-authored-by: Rémi Lapeyre <remi.lapeyre@henki.fr>
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Kit Choi 2020-07-01 22:08:38 +01:00 • committed by GitHub
parent 5d5c84ef78
commit 6b34d7b51e
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5 changed files with 131 additions and 8 deletions
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12
Lib/unittest/case.py
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@ -295,7 +295,6 @@ class _AssertWarnsContext(_AssertRaisesBaseContext):
self._raiseFailure("{} not triggered".format(exc_name))
class _OrderedChainMap(collections.ChainMap):
def __iter__(self):
seen = set()
@ -788,7 +787,16 @@ class TestCase(object):
"""
# Lazy import to avoid importing logging if it is not needed.
from ._log import _AssertLogsContext
return _AssertLogsContext(self, logger, level)
return _AssertLogsContext(self, logger, level, no_logs=False)
def assertNoLogs(self, logger=None, level=None):
""" Fail unless no log messages of level *level* or higher are emitted
on *logger_name* or its children.
This method must be used as a context manager.
"""
from ._log import _AssertLogsContext
return _AssertLogsContext(self, logger, level, no_logs=True)
def _getAssertEqualityFunc(self, first, second):
"""Get a detailed comparison function for the types of the two args.