Method test_merge

test/orm/test_events.py:1681–1703

(self)

        )

    def test_merge(self):
        users, User = self.tables.users, self.classes.User

        self.mapper_registry.map_imperatively(User, users)

        canary = []

        def load(obj, ctx):
            canary.append("load")

        event.listen(Mapper, "load", load)

        s = fixture_session()
        u = User(name="u1")
        s.add(u)
        s.commit()
        s = fixture_session()
        u2 = s.merge(u)
        s = fixture_session()
        u2 = s.merge(User(name="u2"))  # noqa
        s.commit()
        s.query(User).order_by(User.id).first()
        eq_(canary, ["load", "load", "load"])

    def test_inheritance(self):
        users, addresses, User = (