def test_observe_incorrect_type(self, logger_mock):
observer = metrics.ValueObserver(None, "name", "desc", "unit", int,
Mock(), ("key", ), True)
labels = {"key": "value"}
observer.observe(37.0, labels)
self.assertEqual(len(observer.aggregators), 0)
self.assertTrue(logger_mock.warning.called)
def test_run(self):
callback = Mock()
observer = metrics.ValueObserver(callback, "name", "desc", "unit", int,
Mock(), (), True)
self.assertTrue(observer.run())
callback.assert_called_once_with(observer)
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 test_observe_disabled(self):
observer = metrics.ValueObserver(
None, "name", "desc", "unit", int, ("key",), False
)
labels = {"key": "value"}
observer.observe(37, labels)
self.assertEqual(len(observer.aggregators), 0)
def test_observe_disabled(self):
meter = metrics.MeterProvider().get_meter(__name__)
observer = metrics.ValueObserver(None, "name", "desc", "unit", int,
meter, ("key", ), False)
labels = {"key": "value"}
observer.observe(37, labels)
self.assertEqual(len(observer.aggregators), 0)
def test_run_exception(self, logger_mock):
callback = Mock()
callback.side_effect = Exception("We have a problem!")
observer = metrics.ValueObserver(callback, "name", "desc", "unit", int,
Mock(), (), True)
self.assertFalse(observer.run())
self.assertTrue(logger_mock.warning.called)
def test_run(self):
meter = metrics.MeterProvider().get_meter(__name__)
callback = mock.Mock()
observer = metrics.ValueObserver(callback, "name", "desc", "unit", int,
meter, (), True)
self.assertTrue(observer.run())
callback.assert_called_once_with(observer)
def test_observe(self):
observer = metrics.ValueObserver(None, "name", "desc", "unit", int,
Mock(), ("key", ), True)
labels = {"key": "value"}
key_labels = metrics.get_dict_as_key(labels)
values = (37, 42, 7, 21)
for val in values:
observer.observe(val, labels)
self.assertEqual(
observer.aggregators[key_labels].mmsc.current,
(min(values), max(values), sum(values), len(values)),
)
self.assertEqual(observer.aggregators[key_labels].current, values[-1])
def test_collect_observers(self):
meter = metrics.MeterProvider().get_meter(__name__)
processor_mock = mock.Mock()
meter.processor = processor_mock
def callback(observer):
self.assertIsInstance(observer, metrics_api.Observer)
observer.observe(45, {})
observer = metrics.ValueObserver(callback, "name", "desc", "unit", int,
(), True)
meter.observers.add(observer)
meter.collect()
self.assertTrue(processor_mock.process.called)
def test_observe(self):
meter = metrics.MeterProvider().get_meter(__name__)
observer = metrics.ValueObserver(None, "name", "desc", "unit", int,
meter, ("key", ), True)
labels = {"key": "value"}
key_labels = tuple(sorted(labels.items()))
values = (37, 42, 7, 21)
for val in values:
observer.observe(val, labels)
self.assertEqual(
observer.aggregators[key_labels].mmsc.current,
(min(values), max(values), sum(values), len(values)),
)
self.assertEqual(observer.aggregators[key_labels].current, values[-1])
