unittest.mock.Mock.assert_called_once_with()

assert_called_once_with(*args, **kwargs)

Assert that the mock was called exactly once and with the specified arguments.

>>> mock = Mock(return_value=None)
>>> mock('foo', bar='baz')
>>> mock.assert_called_once_with('foo', bar='baz')
>>> mock('foo', bar='baz')
>>> mock.assert_called_once_with('foo', bar='baz')
Traceback (most recent call last):
  ...
AssertionError: Expected 'mock' to be called once. Called 2 times.

Links:

https://docs.python.org/3.5/library/unittest.mock.html#unittest.mock.Mock.assert_called_once_with

doc_python

2016-10-07 17:46:08

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