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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
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Doc/library/unittest.rst
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@ -950,6 +950,9 @@ Test cases
| :meth:`assertLogs(logger, level) | The ``with`` block logs on *logger* | 3.4 |
| <TestCase.assertLogs>` | with minimum *level* | |
+---------------------------------------------------------+--------------------------------------+------------+
| :meth:`assertNoLogs(logger, level) | The ``with`` block does not log on | 3.10 |
| <TestCase.assertNoLogs>` | *logger* with minimum *level* | |
+---------------------------------------------------------+--------------------------------------+------------+
.. method:: assertRaises(exception, callable, *args, **kwds)
assertRaises(exception, *, msg=None)
@ -1121,6 +1124,24 @@ Test cases
.. versionadded:: 3.4
.. method:: assertNoLogs(logger=None, level=None)
A context manager to test that no messages are logged on
the *logger* or one of its children, with at least the given
*level*.
If given, *logger* should be a :class:`logging.Logger` object or a
:class:`str` giving the name of a logger. The default is the root
logger, which will catch all messages.
If given, *level* should be either a numeric logging level or
its string equivalent (for example either ``"ERROR"`` or
:attr:`logging.ERROR`). The default is :attr:`logging.INFO`.
Unlike :meth:`assertLogs`, nothing will be returned by the context
manager.
.. versionadded:: 3.10
There are also other methods used to perform more specific checks, such as: