test_fixtures.py 文件源码

def test_debug_logging(self):
        self.useFixture(fx.EnvironmentVariable('OS_DEBUG', '1'))

        stdlog = self.useFixture(fixtures.StandardLogging())
        root = logging.getLogger()
        # there should no longer be a null handler
        self.assertEqual(1, len(root.handlers), root.handlers)
        log = logging.getLogger(__name__)
        log.info("at info")
        log.debug("at debug")
        self.assertIn("at info", stdlog.logger.output)
        self.assertIn("at debug", stdlog.logger.output)