def register(cls):
assert collectd is not None
LOG.info("Register plugin: %s", cls)
log_handler = CollectdLogHandler(collectd=collectd)
log_handler.setFormatter(logging.Formatter(LOG_FORMAT))
logging.getLogger('collectd_pandas').addHandler(log_handler)
instance = cls()
collectd.register_config(instance.configure)
collectd.register_init(instance.initialize)
collectd.register_write(instance.write)
LOG.info("Plugin registered as: %r.", instance)
return instance
def test_formatting_error():
# Given
collectd = mock_collectd()
handler = CollectdLogHandler(collectd=collectd)
formatter = MagicMock(autospec=logging.Formatter)
formatter.format.side_effect = RuntimeError
handler.setFormatter(formatter)
record = make_record(msg="message %s", level=logging.INFO)
# When a warning record is emitted
handler.emit(record=record)
# Then info warning is called
collectd.error.assert_called_once_with(
wildcard("Error emitting message:\n"
"Traceback (most recent call last):\n"
"*\n"
"RuntimeError\n"))