testmock.py 文件源码

def test_mock_parents(self):
        for Klass in Mock, MagicMock:
            m = Klass()
            original_repr = repr(m)
            m.return_value = m
            self.assertIs(m(), m)
            self.assertEqual(repr(m), original_repr)

            m.reset_mock()
            self.assertIs(m(), m)
            self.assertEqual(repr(m), original_repr)

            m = Klass()
            m.b = m.a
            self.assertIn("name='mock.a'", repr(m.b))
            self.assertIn("name='mock.a'", repr(m.a))
            m.reset_mock()
            self.assertIn("name='mock.a'", repr(m.b))
            self.assertIn("name='mock.a'", repr(m.a))

            m = Klass()
            original_repr = repr(m)
            m.a = m()
            m.a.return_value = m

            self.assertEqual(repr(m), original_repr)
            self.assertEqual(repr(m.a()), original_repr)