# numpy.testing.assert_raises

testing.assert_raises(exception_class, callable, *args, **kwargs) assert_raises(exception_class)
testing.assert_raises(exception_class) → None

  Fail unless an exception of class exception_class is thrown by callable when invoked with arguments args and keyword arguments kwargs. If a different type of exception is thrown, it will not be caught, and the test case will be deemed to have suffered an error, exactly as for an unexpected exception.

  Alternatively, `assert_raises` can be used as a context manager:

      >>> from numpy.testing import assert_raises
      >>> with assert_raises(ZeroDivisionError):
      ...     1 / 0

  is equivalent to

      >>> def div(x, y):
      ...     return x / y
      >>> assert_raises(ZeroDivisionError, div, 1, 0)

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