def test_instrument():
logger = Statsd(Config())
# Capture logged messages
sio = io.StringIO()
logger.error_log.addHandler(logging.StreamHandler(sio))
logger.sock = MockSocket(False)
# Regular message
logger.info("Blah", extra={"mtype": "gauge", "metric": "gunicorn.test", "value": 666})
assert logger.sock.msgs[0] == b"gunicorn.test:666|g"
assert sio.getvalue() == "Blah\n"
logger.sock.reset()
# Only metrics, no logging
logger.info("", extra={"mtype": "gauge", "metric": "gunicorn.test", "value": 666})
assert logger.sock.msgs[0] == b"gunicorn.test:666|g"
assert sio.getvalue() == "Blah\n" # log is unchanged
logger.sock.reset()
# Debug logging also supports metrics
logger.debug("", extra={"mtype": "gauge", "metric": "gunicorn.debug", "value": 667})
assert logger.sock.msgs[0] == b"gunicorn.debug:667|g"
assert sio.getvalue() == "Blah\n" # log is unchanged
logger.sock.reset()
logger.critical("Boom")
assert logger.sock.msgs[0] == b"gunicorn.log.critical:1|c|@1.0"
logger.sock.reset()
logger.access(SimpleNamespace(status="200 OK"), None, {}, timedelta(seconds=7))
assert logger.sock.msgs[0] == b"gunicorn.request.duration:7000.0|ms"
assert logger.sock.msgs[1] == b"gunicorn.requests:1|c|@1.0"
assert logger.sock.msgs[2] == b"gunicorn.request.status.200:1|c|@1.0"
def test_instrument():
logger = Statsd(Config())
# Capture logged messages
sio = io.StringIO()
logger.error_log.addHandler(logging.StreamHandler(sio))
logger.sock = MockSocket(False)
# Regular message
logger.info("Blah", extra={"mtype": "gauge", "metric": "gunicorn.test", "value": 666})
assert logger.sock.msgs[0] == b"gunicorn.test:666|g"
assert sio.getvalue() == "Blah\n"
logger.sock.reset()
# Only metrics, no logging
logger.info("", extra={"mtype": "gauge", "metric": "gunicorn.test", "value": 666})
assert logger.sock.msgs[0] == b"gunicorn.test:666|g"
assert sio.getvalue() == "Blah\n" # log is unchanged
logger.sock.reset()
# Debug logging also supports metrics
logger.debug("", extra={"mtype": "gauge", "metric": "gunicorn.debug", "value": 667})
assert logger.sock.msgs[0] == b"gunicorn.debug:667|g"
assert sio.getvalue() == "Blah\n" # log is unchanged
logger.sock.reset()
logger.critical("Boom")
assert logger.sock.msgs[0] == b"gunicorn.log.critical:1|c|@1.0"
logger.sock.reset()
logger.access(SimpleNamespace(status="200 OK"), None, {}, timedelta(seconds=7))
assert logger.sock.msgs[0] == b"gunicorn.request.duration:7000.0|ms"
assert logger.sock.msgs[1] == b"gunicorn.requests:1|c|@1.0"
assert logger.sock.msgs[2] == b"gunicorn.request.status.200:1|c|@1.0"
def test_statsd_fail():
"UDP socket fails"
logger = Statsd(Config())
logger.sock = MockSocket(True)
logger.info("No impact on logging")
logger.debug("No impact on logging")
logger.critical("No impact on logging")
logger.error("No impact on logging")
logger.warning("No impact on logging")
logger.exception("No impact on logging")
def test_statsd_fail():
"UDP socket fails"
logger = Statsd(Config())
logger.sock = MockSocket(True)
logger.info("No impact on logging")
logger.debug("No impact on logging")
logger.critical("No impact on logging")
logger.error("No impact on logging")
logger.warning("No impact on logging")
logger.exception("No impact on logging")