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At the end of the context manager, the `output` attribute will
be a list of the matching formatted log messages and the
`records` attribute will be a list of the corresponding LogRecord
objects.
Example::
with self.assertLogs('foo', level='INFO') as cm:
logging.getLogger('foo').info('first message')
logging.getLogger('foo.bar').error('second message')
self.assertEqual(cm.output, ['INFO:foo:first message',
'ERROR:foo.bar:second message'])
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s zTestCase.assertLogsc C sk t | � t | � k rd | j j t | � � } | d k rd t | t � r] t | | � } n | Sn | j S)a Get a detailed comparison function for the types of the two args.
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difference rounded to the given number of decimal places
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self.assertEqual(Counter(list(first)),
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