18 lines
523 B
ReStructuredText
18 lines
523 B
ReStructuredText
A warning is now issued when assertions are made for ``None``.
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This is a common source of confusion among new users, which write::
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assert mocked_object.assert_called_with(3, 4, 5, key='value')
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When they should write::
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mocked_object.assert_called_with(3, 4, 5, key='value')
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Because the ``assert_called_with`` method of mock objects already executes an assertion.
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This warning will not be issued when ``None`` is explicitly checked. An assertion like::
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assert variable is None
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will not issue the warning.
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