def test_export_exemplar(self):
metric = _create_metric(
metric_descriptor.MetricDescriptorType.CUMULATIVE_DISTRIBUTION,
points=[
point.Point(value=_create_distribution_value(
bounds=[1],
buckets=[
value.Bucket(count=1,
exemplar=value.Exemplar(
value=2.5,
timestamp=TEST_TIME_STR,
attachments={'key1': 'value1'})),
value.Bucket(count=0),
]),
timestamp=datetime.now())
])
handler = mock.Mock(spec=ocagent.ExportRpcHandler)
ocagent.StatsExporter(handler).export_metrics([metric])
self.assertEqual(
handler.send.call_args[0][0].metrics[0].timeseries[0].points[0].
distribution_value.buckets[0].exemplar,
metrics_pb2.DistributionValue.Exemplar(
value=2.5,
timestamp=timestamp_pb2.Timestamp(seconds=1545699723,
nanos=4000),
attachments={'key1': 'value1'}))
def to_point(self, timestamp):
"""Get a Point conversion of this aggregation.
This method creates a :class: `opencensus.metrics.export.point.Point`
with a :class: `opencensus.metrics.export.value.ValueDistribution`
value, and creates buckets and exemplars for that distribution from the
appropriate classes in the `metrics` package.
:type timestamp: :class: `datetime.datetime`
:param timestamp: The time to report the point as having been recorded.
:rtype: :class: `opencensus.metrics.export.point.Point`
:return: a :class: `opencensus.metrics.export.value.ValueDistribution`
-valued Point.
"""
buckets = [None] * len(self.counts_per_bucket)
for ii, count in enumerate(self.counts_per_bucket):
stat_ex = self.exemplars.get(ii, None)
if stat_ex is not None:
metric_ex = value.Exemplar(stat_ex.value, stat_ex.timestamp,
copy.copy(stat_ex.attachments))
buckets[ii] = value.Bucket(count, metric_ex)
else:
buckets[ii] = value.Bucket(count)
bucket_options = value.BucketOptions(value.Explicit(self.bounds))
return point.Point(
value.ValueDistribution(
count=self.count_data,
sum_=self.sum,
sum_of_squared_deviation=self.sum_of_sqd_deviations,
bucket_options=bucket_options,
buckets=buckets), timestamp)
def setUp(self):
self.exemplar = value_module.Exemplar(EX_VALUE, EX_TIMESTAMP,
EX_ATTACHMENTS)
def test_init(self):
exemplar = value_module.Exemplar(EX_VALUE, EX_TIMESTAMP,
EX_ATTACHMENTS)
self.assertEqual(exemplar.value, EX_VALUE)
self.assertEqual(exemplar.timestamp, EX_TIMESTAMP)
self.assertEqual(exemplar.attachments, EX_ATTACHMENTS)