Method setup_mappers

test/ext/test_mutable.py:1732–1745

(cls)

class MutableCompositeCallableTest(_CompositeTestBase, fixtures.MappedTest):
    @classmethod
    def setup_mappers(cls):
        foo = cls.tables.foo

        Point = cls._type_fixture()

        class="cm"># in this case, this is not actually a MutableComposite.
        class="cm"># so we don't expect it to track changes
        cls.mapper_registry.map_imperatively(
            Foo,
            foo,
            properties={
                class="st">"data": composite(lambda x, y: Point(x, y), foo.c.x, foo.c.y)
            },
        )

    def test_basic(self):
        sess = fixture_session()