Check if a function raises an expected exception with given arguments

rasies.py

ExceptionMatch = typing.Union[
        typing.Type[Exception], typing.Tuple[typing.Type[Exception], ...]
    ]

def raises(
    expected_exception: ExceptionMatch,
    function: typing.Callable,
    *args,
    **kwargs,
) -> bool:
    """
    Checks if calling the given function raises an exception of the given type.
    >>> def will_raise(cond=True):
    ...     if cond:
    ...         raise ValueError
    >>> raises(ValueError,will_raise)
    True
    >>> raises(IndexError, will_raise)
    False
    >>> raises(ValueError, will_raise, False)
    False
    >>> raises(ValueError, will_raise, cond=False)
    False
    >>> raises(IndexError, lambda: True)
    False
    """
    try:
        function(*args, **kwargs)
    except expected_exception:
        return True
    except:  # Unexpected exception
        pass
    return False