test_logging.py 文件源码

def test_config0_using_cp_ok(self):
        # A simple config file which overrides the default settings.
        with captured_stdout() as output:
            file = io.StringIO(textwrap.dedent(self.config0))
            cp = configparser.ConfigParser()
            cp.read_file(file)
            logging.config.fileConfig(cp)
            logger = logging.getLogger()
            # Won't output anything
            logger.info(self.next_message())
            # Outputs a message
            logger.error(self.next_message())
            self.assert_log_lines([
                ('ERROR', '2'),
            ], stream=output)
            # Original logger output is empty.
            self.assert_log_lines([])