testmock.py 文件源码

def test_mock_add_spec_magic_methods(self):
        for Klass in MagicMock, NonCallableMagicMock:
            mock = Klass()
            int(mock)

            mock.mock_add_spec(object)
            self.assertRaises(TypeError, int, mock)

            mock = Klass()
            mock['foo']
            mock.__int__.return_value =4

            mock.mock_add_spec(int)
            self.assertEqual(int(mock), 4)
            self.assertRaises(TypeError, lambda: mock['foo'])