Method test_refresh_with_lazy

test/orm/test_expire.py:2173–2201

test that when a lazy loader is set as a trigger on an object's attribute (at the attribute level, not the class level), a refresh() operation doesn't fire the lazy loader or create any problems

(self)

        assert u.name == "jack"

    def test_refresh_with_lazy(self):
        """test that when a lazy loader is set as a trigger on an object's
        attribute (at the attribute level, not the class level), a refresh()
        operation doesn't fire the lazy loader or create any problems"""

        User, Address, addresses, users = (
            self.classes.User,
            self.classes.Address,
            self.tables.addresses,
            self.tables.users,
        )

        s = fixture_session()
        self.mapper_registry.map_imperatively(
            User,
            users,
            properties={
                "addresses": relationship(
                    self.mapper_registry.map_imperatively(Address, addresses)
                )
            },
        )
        q = s.query(User).options(sa.orm.lazyload(User.addresses))
        u = q.filter(users.c.id == 8).first()

        def go():
            s.refresh(u)

        self.assert_sql_count(testing.db, go, 1)

    def test_refresh_with_eager(self):
        """test that a refresh/expire operation loads rows properly and sends