Method test_unsaved_2

test/orm/test_deferred.py:266–282

(self)

        eq_(o1.description, "order 1")

    def test_unsaved_2(self):
        Order, orders = self.classes.Order, self.tables.orders

        self.mapper_registry.map_imperatively(
            Order,
            orders,
            properties={"description": deferred(orders.c.description)},
        )

        sess = fixture_session()
        o = Order()
        sess.add(o)

        def go():
            o.description = "some description"

        self.sql_count_(0, go)

    def test_unsaved_group(self):
        """Deferred loading doesn't kick in when just PK cols are set"""