numpy.testing.assert_warns¶

numpy.testing.assert_warns(warning_class, func, *args, **kw)[source]¶

Fail unless the given callable throws the specified warning.

A warning of class warning_class should be thrown by the callable when invoked with arguments args and keyword arguments kwargs. If a different type of warning is thrown, it will not be caught, and the test case will be deemed to have suffered an error.

New in version 1.4.0.

Parameters:

Parameters:	warning_class : class The class defining the warning that func is expected to throw. func : callable The callable to test. args : Arguments Arguments passed to func. kwargs : Kwargs Keyword arguments passed to func*.
Returns:	The value returned by `func`. :

warning_class : class

The class defining the warning that func is expected to throw.

func : callable

The callable to test.

*args : Arguments

Arguments passed to func.

**kwargs : Kwargs

Keyword arguments passed to func.

Returns:

The value returned by `func`. :

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