testmock.py 文件源码

def test_assert_called_once_with(self):
        mock = Mock()
        mock()

        # Will raise an exception if it fails
        mock.assert_called_once_with()

        mock()
        self.assertRaises(AssertionError, mock.assert_called_once_with)

        mock.reset_mock()
        self.assertRaises(AssertionError, mock.assert_called_once_with)

        mock('foo', 'bar', baz=2)
        mock.assert_called_once_with('foo', 'bar', baz=2)

        mock.reset_mock()
        mock('foo', 'bar', baz=2)
        self.assertRaises(
            AssertionError,
            lambda: mock.assert_called_once_with('bob', 'bar', baz=2)
        )