Method _test_class_guards

test/orm/test_session.py:2604–2642

(self, user_arg, is_class=True)

        )

    def _test_class_guards(self, user_arg, is_class=True):
        watchdog = set()

        def raises_(method, *args, **kw):
            watchdog.add(method)
            callable_ = getattr(
                Session(),
                method,
            )
            if is_class:
                assert_raises(
                    sa.orm.exc.UnmappedClassError, callable_, *args, **kw
                )
            else:
                assert_raises(
                    exc.NoInspectionAvailable, callable_, *args, **kw
                )

        raises_("connection", bind_arguments=dict(mapper=user_arg))

        raises_(
            "execute", text("SELECT 1"), bind_arguments=dict(mapper=user_arg)
        )

        raises_("get_bind", mapper=user_arg)

        raises_(
            "scalar", text("SELECT 1"), bind_arguments=dict(mapper=user_arg)
        )

        raises_(
            "scalars", text("SELECT 1"), bind_arguments=dict(mapper=user_arg)
        )

        eq_(
            watchdog,
            self._class_methods,
            watchdog.symmetric_difference(self._class_methods),
        )

    def test_join_transaction_mode(self):
        with expect_raises_message(