Method test_data_loaded

test/orm/test_deferred.py:1619–1655

(self)

            session.commit()

    def test_data_loaded(self):
        User, Task = self.classes("User", "Task")
        session = fixture_session()

        all_tasks = session.query(Task).all()  # noqa: F841
        all_users = session.query(User).all()  # noqa: F841

        # expire all objects
        session.expire_all()

        # now load w/ the special paths.   User.phone needs to be
        # undeferred
        tasks = (
            session.query(Task)
            .options(
                joinedload(Task.managed_by).load_only(User.name),
                joinedload(Task.created_by).load_only(User.name, User.phone),
            )
            .all()
        )

        session.close()
        for task in tasks:
            if task.name == "t1":
                # for User u2, created_by path includes User.phone
                eq_(task.created_by.phone, "p2")

                # for User u3, managed_by path does not
                assert "phone" not in task.managed_by.__dict__
            elif task.name == "t2":
                # User u1 was loaded by both created_by and managed_by
                # path, so 'phone' should be unconditionally populated
                is_(task.created_by, task.managed_by)
                eq_(task.created_by.phone, "p1")
                eq_(task.managed_by.phone, "p1")
            else:
                assert False


class SelfReferentialMultiPathTest(testing.fixtures.DeclarativeMappedTest):