Method test_onetoone_switch

test/orm/test_relationships.py:1613–1646

test that active history is enabled on a one-to-many/one that has use_get==True

(self)

            pass

    def test_onetoone_switch(self):
        """test that active history is enabled on a
        one-to-many/one that has use_get==True"""

        tableB, A, B, tableA = (
            self.tables.tableB,
            self.classes.A,
            self.classes.B,
            self.tables.tableA,
        )

        self.mapper_registry.map_imperatively(
            A,
            tableA,
            properties={
                "b": relationship(
                    B, cascade="all,delete-orphan", uselist=False
                )
            },
        )
        self.mapper_registry.map_imperatively(B, tableB)

        configure_mappers()
        assert A.b.property.strategy.use_get

        with fixture_session() as sess:
            a1 = A()
            sess.add(a1)
            sess.commit()

        with fixture_session() as sess:
            a1 = sess.query(A).first()
            a1.b = B()
            sess.commit()

    def test_no_delete_PK_AtoB(self):
        """A can't be deleted without B because B would have no PK value."""