numpy.testing.decorators.knownfailureif

numpy.testing.decorators.knownfailureif(fail_condition, msg=None)[source]

Make function raise KnownFailureTest exception if given condition is true.

If the condition is a callable, it is used at runtime to dynamically make the decision. This is useful for tests that may require costly imports, to delay the cost until the test suite is actually executed.

Parameters :

fail_condition : bool or callable

Flag to determine whether to mark the decorated test as a known failure (if True) or not (if False).

msg : str, optional

Message to give on raising a KnownFailureTest exception. Default is None.

Returns :

decorator : function

Decorator, which, when applied to a function, causes SkipTest to be raised when skip_condition is True, and the function to be called normally otherwise.

Notes

The decorator itself is decorated with the nose.tools.make_decorator function in order to transmit function name, and various other metadata.

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