test_resource.py 文件源码

def test_resource_lazy_getattr(self):
        fake_manager = mock.Mock()
        return_resource = SampleResource(None, dict(uuid=mock.sentinel.fake_id,
                                                    foo='bar',
                                                    name='fake_name'))
        fake_manager.get.return_value = return_resource

        r = SampleResource(fake_manager,
                           dict(uuid=mock.sentinel.fake_id, foo='bar'))
        self.assertTrue(hasattr(r, 'foo'))
        self.assertEqual('bar', r.foo)
        self.assertFalse(r.has_attached())

        # Trigger load
        self.assertEqual('fake_name', r.name)
        fake_manager.get.assert_called_once_with(mock.sentinel.fake_id)
        self.assertTrue(r.has_attached())

        # Missing stuff still fails after a second get
        self.assertRaises(AttributeError, getattr, r, 'abc')