test_data_proxy.py 文件源码

def test_set_to_missing_fields(self):

        class MySchema(EmbeddedSchema):
            a = fields.IntField()
            b = fields.IntField(attribute='in_mongo_b')

        MyDataProxy = data_proxy_factory('My', MySchema())
        d = MyDataProxy(data={'a': 1})
        assert d.get('b') is missing
        assert d.get_by_mongo_name('in_mongo_b') is missing
        assert d._data['in_mongo_b'] is missing
        d.set('b', 2)
        assert d.get('b') == 2
        d.delete('b')
        # Can do it two time in a row without error
        d.delete('b')
        assert d._data['in_mongo_b'] is missing