Method test_backref

test/orm/test_unitofwork.py:59–89

(self)

            pass

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

        am = self.mapper_registry.map_imperatively(Address, addresses)
        m = self.mapper_registry.map_imperatively(
            User,
            users,
            properties=dict(
                addresses=relationship(am, backref="user", lazy="joined")
            ),
        )

        session = fixture_session()

        u = User(name="u1")
        a = Address(email_address="u1@e")
        a.user = u
        session.add(u)

        eq_(u.addresses, [a])
        session.commit()
        session.expunge_all()

        u = session.query(m).one()
        assert u.addresses[0].user == u
        session.close()


class UnicodeTest(fixtures.MappedTest):