208 lines
8.9 KiB
C#
208 lines
8.9 KiB
C#
// <copyright file="MetricsTest.cs" company="OpenTelemetry Authors">
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// Copyright The OpenTelemetry Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// </copyright>
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using System.Collections.Generic;
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using System.Linq;
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using OpenTelemetry.Metrics.Export;
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using OpenTelemetry.Trace;
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using Xunit;
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namespace OpenTelemetry.Metrics.Test
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{
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public class MetricsTest
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{
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[Fact]
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public void CounterSendsAggregateToRegisteredProcessor()
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{
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var testProcessor = new TestMetricProcessor();
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var meter = Sdk.CreateMeterProvider(mb => mb.SetMetricProcessor(testProcessor)).GetMeter("library1") as MeterSdk;
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var testCounter = meter.CreateInt64Counter("testCounter");
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var labels1 = new List<KeyValuePair<string, string>>();
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labels1.Add(new KeyValuePair<string, string>("dim1", "value1"));
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var labels2 = new List<KeyValuePair<string, string>>();
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labels2.Add(new KeyValuePair<string, string>("dim1", "value2"));
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var labels3 = new List<KeyValuePair<string, string>>();
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labels3.Add(new KeyValuePair<string, string>("dim1", "value3"));
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var context = default(SpanContext);
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testCounter.Add(context, 100, meter.GetLabelSet(labels1));
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testCounter.Add(context, 10, meter.GetLabelSet(labels1));
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var boundCounterLabel2 = testCounter.Bind(labels2);
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boundCounterLabel2.Add(context, 200);
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testCounter.Add(context, 200, meter.GetLabelSet(labels3));
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testCounter.Add(context, 10, meter.GetLabelSet(labels3));
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meter.Collect();
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Assert.Single(testProcessor.Metrics);
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var metric = testProcessor.Metrics[0];
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Assert.Equal("testCounter", metric.MetricName);
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Assert.Equal("library1", metric.MetricNamespace);
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// 3 time series, as 3 unique label sets.
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Assert.Equal(3, metric.Data.Count);
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var metricSeries = metric.Data.Single(data => data.Labels.Any(l => l.Key == "dim1" && l.Value == "value1"));
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var metricLong = metricSeries as Int64SumData;
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Assert.Equal(110, metricLong.Sum);
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metricSeries = metric.Data.Single(data => data.Labels.Any(l => l.Key == "dim1" && l.Value == "value2"));
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metricLong = metricSeries as Int64SumData;
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Assert.Equal(200, metricLong.Sum);
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metricSeries = metric.Data.Single(data => data.Labels.Any(l => l.Key == "dim1" && l.Value == "value3"));
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metricLong = metricSeries as Int64SumData;
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Assert.Equal(210, metricLong.Sum);
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}
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[Fact]
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public void MeasureSendsAggregateToRegisteredProcessor()
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{
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var testProcessor = new TestMetricProcessor();
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var meter = Sdk.CreateMeterProvider(mb => mb.SetMetricProcessor(testProcessor)).GetMeter("library1") as MeterSdk;
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var testMeasure = meter.CreateInt64Measure("testMeasure");
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var labels1 = new List<KeyValuePair<string, string>>();
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labels1.Add(new KeyValuePair<string, string>("dim1", "value1"));
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var labels2 = new List<KeyValuePair<string, string>>();
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labels2.Add(new KeyValuePair<string, string>("dim1", "value2"));
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var context = default(SpanContext);
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testMeasure.Record(context, 100, meter.GetLabelSet(labels1));
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testMeasure.Record(context, 10, meter.GetLabelSet(labels1));
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testMeasure.Record(context, 1, meter.GetLabelSet(labels1));
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testMeasure.Record(context, 200, meter.GetLabelSet(labels2));
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testMeasure.Record(context, 20, meter.GetLabelSet(labels2));
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meter.Collect();
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Assert.Single(testProcessor.Metrics);
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var metric = testProcessor.Metrics[0];
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Assert.Equal("testMeasure", metric.MetricName);
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Assert.Equal("library1", metric.MetricNamespace);
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// 2 time series, as 2 unique label sets.
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Assert.Equal(2, metric.Data.Count);
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var metricSeries = metric.Data.Single(data => data.Labels.Any(l => l.Key == "dim1" && l.Value == "value1"));
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var metricSummary = metricSeries as Int64SummaryData;
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Assert.Equal(111, metricSummary.Sum);
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Assert.Equal(3, metricSummary.Count);
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Assert.Equal(1, metricSummary.Min);
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Assert.Equal(100, metricSummary.Max);
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metricSeries = metric.Data.Single(data => data.Labels.Any(l => l.Key == "dim1" && l.Value == "value2"));
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metricSummary = metricSeries as Int64SummaryData;
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Assert.Equal(220, metricSummary.Sum);
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Assert.Equal(2, metricSummary.Count);
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Assert.Equal(20, metricSummary.Min);
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Assert.Equal(200, metricSummary.Max);
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}
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[Fact]
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public void LongObserverSendsAggregateToRegisteredProcessor()
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{
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var testProcessor = new TestMetricProcessor();
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var meter = Sdk.CreateMeterProvider(mb => mb.SetMetricProcessor(testProcessor)).GetMeter("library1") as MeterSdk;
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var testObserver = meter.CreateInt64Observer("testObserver", this.TestCallbackLong);
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meter.Collect();
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Assert.Single(testProcessor.Metrics);
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var metric = testProcessor.Metrics[0];
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Assert.Equal("testObserver", metric.MetricName);
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Assert.Equal("library1", metric.MetricNamespace);
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// 2 time series, as 2 unique label sets.
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Assert.Equal(2, metric.Data.Count);
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var metricSeries = metric.Data.Single(data => data.Labels.Any(l => l.Key == "dim1" && l.Value == "value1"));
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var metricLong = metricSeries as Int64SumData;
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Assert.Equal(30, metricLong.Sum);
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metricSeries = metric.Data.Single(data => data.Labels.Any(l => l.Key == "dim1" && l.Value == "value2"));
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metricLong = metricSeries as Int64SumData;
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Assert.Equal(300, metricLong.Sum);
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}
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[Fact]
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public void DoubleObserverSendsAggregateToRegisteredProcessor()
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{
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var testProcessor = new TestMetricProcessor();
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var meter = Sdk.CreateMeterProvider(mb => mb.SetMetricProcessor(testProcessor)).GetMeter("library1") as MeterSdk;
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var testObserver = meter.CreateDoubleObserver("testObserver", this.TestCallbackDouble);
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meter.Collect();
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Assert.Single(testProcessor.Metrics);
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var metric = testProcessor.Metrics[0];
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Assert.Equal("testObserver", metric.MetricName);
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Assert.Equal("library1", metric.MetricNamespace);
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// 2 time series, as 2 unique label sets.
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Assert.Equal(2, metric.Data.Count);
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var metricSeries = metric.Data.Single(data => data.Labels.Any(l => l.Key == "dim1" && l.Value == "value1"));
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var metricLong = metricSeries as DoubleSumData;
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Assert.Equal(30.5, metricLong.Sum);
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metricSeries = metric.Data.Single(data => data.Labels.Any(l => l.Key == "dim1" && l.Value == "value2"));
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metricLong = metricSeries as DoubleSumData;
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Assert.Equal(300.5, metricLong.Sum);
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}
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private void TestCallbackLong(Int64ObserverMetric observerMetric)
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{
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var labels1 = new List<KeyValuePair<string, string>>();
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labels1.Add(new KeyValuePair<string, string>("dim1", "value1"));
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var labels2 = new List<KeyValuePair<string, string>>();
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labels2.Add(new KeyValuePair<string, string>("dim1", "value2"));
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observerMetric.Observe(10, labels1);
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observerMetric.Observe(20, labels1);
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observerMetric.Observe(30, labels1);
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observerMetric.Observe(100, labels2);
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observerMetric.Observe(200, labels2);
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observerMetric.Observe(300, labels2);
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}
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private void TestCallbackDouble(DoubleObserverMetric observerMetric)
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{
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var labels1 = new List<KeyValuePair<string, string>>();
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labels1.Add(new KeyValuePair<string, string>("dim1", "value1"));
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var labels2 = new List<KeyValuePair<string, string>>();
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labels2.Add(new KeyValuePair<string, string>("dim1", "value2"));
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observerMetric.Observe(10.5, labels1);
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observerMetric.Observe(20.5, labels1);
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observerMetric.Observe(30.5, labels1);
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observerMetric.Observe(100.5, labels2);
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observerMetric.Observe(200.5, labels2);
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observerMetric.Observe(300.5, labels2);
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}
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}
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}
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