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Test authors should subclass TestCase for their own tests. Construction
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implemented by overriding the 'setUp' and 'tearDown' methods respectively.
If it is necessary to override the __init__ method, the base class
__init__ method must always be called. It is important that subclasses
should not change the signature of their __init__ method, since instances
of the classes are instantiated automatically by parts of the framework
in order to be run.
When subclassing TestCase, you can set these attributes:
* failureException: determines which exception will be raised when
the instance's assertion methods fail; test methods raising this
exception will be deemed to have 'failed' rather than 'errored'.
* longMessage: determines whether long messages (including repr of
objects used in assert methods) will be printed on failure in *addition*
to any explicit message passed.
* maxDiff: sets the maximum length of a diff in failure messages
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unexpected exception.
If called with the callable and arguments omitted, will return a
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with self.assertRaises(SomeException):
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An optional keyword argument 'msg' can be provided when assertRaises
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The context manager keeps a reference to the exception as
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The context manager keeps a reference to the first matching
warning as the 'warning' attribute; similarly, the 'filename'
and 'lineno' attributes give you information about the line
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At the end of the context manager, the `output` attribute will
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logging.getLogger('foo').info('first message')
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} | j|| }| j| dS )aA An equality assertion for ordered sequences (like lists and tuples).
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