Method _fixture

test/orm/test_attributes.py:999–1027

(self, expected)

class GetNoValueTest(fixtures.ORMTest):
    def _fixture(self, expected):
        class Foo:
            pass

        class Bar:
            pass

        def lazy_callable(state, passive):
            return expected

        instrumentation.register_class(Foo)
        instrumentation.register_class(Bar)
        if expected is not None:
            _register_attribute(
                Foo,
                "attr",
                useobject=True,
                uselist=False,
                callable_=lazy_callable,
            )
        else:
            _register_attribute(Foo, "attr", useobject=True, uselist=False)

        f1 = self.f1 = Foo()
        return (
            Foo.attr.impl,
            attributes.instance_state(f1),
            attributes.instance_dict(f1),
        )

    def test_passive_no_result(self):
        attr, state, dict_ = self._fixture(attributes.PASSIVE_NO_RESULT)