testmock.py 文件源码

def test_call(self):
        mock = Mock()
        self.assertTrue(is_instance(mock.return_value, Mock),
                        "Default return_value should be a Mock")

        result = mock()
        self.assertEqual(mock(), result,
                         "different result from consecutive calls")
        mock.reset_mock()

        ret_val = mock(sentinel.Arg)
        self.assertTrue(mock.called, "called not set")
        self.assertEqual(mock.call_count, 1, "call_count incoreect")
        self.assertEqual(mock.call_args, ((sentinel.Arg,), {}),
                         "call_args not set")
        self.assertEqual(mock.call_args_list, [((sentinel.Arg,), {})],
                         "call_args_list not initialised correctly")

        mock.return_value = sentinel.ReturnValue
        ret_val = mock(sentinel.Arg, key=sentinel.KeyArg)
        self.assertEqual(ret_val, sentinel.ReturnValue,
                         "incorrect return value")

        self.assertEqual(mock.call_count, 2, "call_count incorrect")
        self.assertEqual(mock.call_args,
                         ((sentinel.Arg,), {'key': sentinel.KeyArg}),
                         "call_args not set")
        self.assertEqual(mock.call_args_list, [
            ((sentinel.Arg,), {}),
            ((sentinel.Arg,), {'key': sentinel.KeyArg})
        ],
            "call_args_list not set")