test_legacy_logging.py 文件源码

def test_log_stdlib(framework_aio):
    # for cases when we never call start_logging(), ensure we didn't
    # no-op out the info messages.
    import logging

    lg = logging.getLogger()
    lg.setLevel(logging.INFO)
    records = []

    class TestHandler(logging.Handler):
        def emit(self, record):
            records.append(record.msg)
    handler = TestHandler()
    lg.addHandler(handler)

    try:
        log = txaio.make_logger()
        log.info("foo={foo}", foo='bar')
    finally:
        lg.removeHandler(handler)

    assert 'foo=bar' in records