def test_default_aggregator(self, logger_mock):
meter = metrics.MeterProvider().get_meter(__name__)
counter = metrics.Counter("", "", "1", int, meter)
self.assertEqual(view.get_default_aggregator(counter),
aggregate.SumAggregator)
ud_counter = metrics.UpDownCounter("", "", "1", int, meter)
self.assertEqual(view.get_default_aggregator(ud_counter),
aggregate.SumAggregator)
observer = metrics.SumObserver(lambda: None, "", "", "1", int)
self.assertEqual(
view.get_default_aggregator(observer),
aggregate.LastValueAggregator,
)
ud_observer = metrics.SumObserver(lambda: None, "", "", "1", int)
self.assertEqual(
view.get_default_aggregator(ud_observer),
aggregate.LastValueAggregator,
)
recorder = metrics.ValueRecorder("", "", "1", int, meter)
self.assertEqual(
view.get_default_aggregator(recorder),
aggregate.MinMaxSumCountAggregator,
)
v_observer = metrics.ValueObserver(lambda: None, "", "", "1", int)
self.assertEqual(
view.get_default_aggregator(v_observer),
aggregate.ValueObserverAggregator,
)
self.assertEqual(view.get_default_aggregator(DummyMetric()),
aggregate.SumAggregator)
self.assertEqual(logger_mock.warning.call_count, 1)
def observe(self, value: metrics_api.ValueT, labels: Dict[str,
str]) -> None:
key = get_dict_as_key(labels)
if not self._validate_observe(value, key):
return
if key not in self.aggregators:
# TODO: how to cleanup aggregators?
self.aggregators[key] = get_default_aggregator(self)()
aggregator = self.aggregators[key]
aggregator.update(value)