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# Copyright The OpenTelemetry Authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from unittest import TestCase
from opentelemetry.sdk.metrics import MeterProvider
from opentelemetry.sdk.metrics.export import InMemoryMetricReader
from opentelemetry.sdk.metrics.view import DropAggregation, View
class TestDisableDefaultViews(TestCase):
def test_disable_default_views(self):
reader = InMemoryMetricReader()
meter_provider = MeterProvider(
metric_readers=[reader],
views=[View(instrument_name="*", aggregation=DropAggregation())],
)
meter = meter_provider.get_meter("testmeter")
counter = meter.create_counter("testcounter")
counter.add(10, {"label": "value1"})
counter.add(10, {"label": "value2"})
counter.add(10, {"label": "value3"})
self.assertIsNone(reader.get_metrics_data())
def test_disable_default_views_add_custom(self):
reader = InMemoryMetricReader()
meter_provider = MeterProvider(
metric_readers=[reader],
views=[
View(instrument_name="*", aggregation=DropAggregation()),
View(instrument_name="testhist"),
],
)
meter = meter_provider.get_meter("testmeter")
counter = meter.create_counter("testcounter")
histogram = meter.create_histogram("testhist")
counter.add(10, {"label": "value1"})
counter.add(10, {"label": "value2"})
counter.add(10, {"label": "value3"})
histogram.record(12, {"label": "value"})
metrics = reader.get_metrics_data()
self.assertEqual(len(metrics.resource_metrics), 1)
self.assertEqual(len(metrics.resource_metrics[0].scope_metrics), 1)
self.assertEqual(
len(metrics.resource_metrics[0].scope_metrics[0].metrics), 1
)
self.assertEqual(
metrics.resource_metrics[0].scope_metrics[0].metrics[0].name,
"testhist",
)
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