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that the instance is to execute.
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implemented by overriding the 'setUp' and 'tearDown' methods respectively.
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* failureException: determines which exception will be raised when
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objects used in assert methods) will be printed on failure in *addition*
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by assert methods using difflib. It is looked up as an instance
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zTestCase.__init__c C s | | j | <d S)a[ Add a type specific assertEqual style function to compare a type.
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typeobj: The data type to call this function on when both values
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r� t � Wd | | _ Xd S)aP Return a context manager that will return the enclosed block
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rc d t | � t | � f SYn Xd S)a� Honour the longMessage attribute when generating failure messages.
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O s4 t | | � } z | j d | | � SWd d } Xd S)a= Fail unless an exception of class expected_exception is raised
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keyword arguments. If a different type of exception is
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deemed to have suffered an error, exactly as for an
unexpected exception.
If called with the callable and arguments omitted, will return a
context object used like this::
with self.assertRaises(SomeException):
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is used as a context object.
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self.assertEqual(the_exception.error_code, 3)
� assertRaisesN)rc rb )r �expected_exceptionr* r+ �contextr r r r� � s zTestCase.assertRaisesc O s" t | | � } | j d | | � S)a� Fail unless a warning of class warnClass is triggered
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out, or raised as an exception.
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with self.assertWarns(SomeWarning):
do_something()
An optional keyword argument 'msg' can be provided when assertWarns
is used as a context object.
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
of Python code from which the warning was triggered.
This allows you to inspect the warning after the assertion::
with self.assertWarns(SomeWarning) as cm:
do_something()
the_warning = cm.warning
self.assertEqual(the_warning.some_attribute, 147)
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a recording object with two attributes: `output` and `records`.
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',
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