test_logging.py 文件源码

def test_manager_loggerclass(self):
        logged = []

        class MyLogger(logging.Logger):
            def _log(self, level, msg, args, exc_info=None, extra=None):
                logged.append(msg)

        man = logging.Manager(None)
        self.assertRaises(TypeError, man.setLoggerClass, int)
        man.setLoggerClass(MyLogger)
        logger = man.getLogger('test')
        logger.warning('should appear in logged')
        logging.warning('should not appear in logged')

        self.assertEqual(logged, ['should appear in logged'])