opentelemetry-dotnet/test/OpenTelemetry.Tests/Implementation/Metrics/MetricsTest.cs

208 lines
8.9 KiB
C#

// <copyright file="MetricsTest.cs" company="OpenTelemetry Authors">
// 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.
// </copyright>
using System.Collections.Generic;
using System.Linq;
using OpenTelemetry.Metrics.Export;
using OpenTelemetry.Trace;
using Xunit;
namespace OpenTelemetry.Metrics.Test
{
public class MetricsTest
{
[Fact]
public void CounterSendsAggregateToRegisteredProcessor()
{
var testProcessor = new TestMetricProcessor();
var meter = Sdk.CreateMeterProvider(mb => mb.SetMetricProcessor(testProcessor)).GetMeter("library1") as MeterSdk;
var testCounter = meter.CreateInt64Counter("testCounter");
var labels1 = new List<KeyValuePair<string, string>>();
labels1.Add(new KeyValuePair<string, string>("dim1", "value1"));
var labels2 = new List<KeyValuePair<string, string>>();
labels2.Add(new KeyValuePair<string, string>("dim1", "value2"));
var labels3 = new List<KeyValuePair<string, string>>();
labels3.Add(new KeyValuePair<string, string>("dim1", "value3"));
var context = default(SpanContext);
testCounter.Add(context, 100, meter.GetLabelSet(labels1));
testCounter.Add(context, 10, meter.GetLabelSet(labels1));
var boundCounterLabel2 = testCounter.Bind(labels2);
boundCounterLabel2.Add(context, 200);
testCounter.Add(context, 200, meter.GetLabelSet(labels3));
testCounter.Add(context, 10, meter.GetLabelSet(labels3));
meter.Collect();
Assert.Single(testProcessor.Metrics);
var metric = testProcessor.Metrics[0];
Assert.Equal("testCounter", metric.MetricName);
Assert.Equal("library1", metric.MetricNamespace);
// 3 time series, as 3 unique label sets.
Assert.Equal(3, metric.Data.Count);
var metricSeries = metric.Data.Single(data => data.Labels.Any(l => l.Key == "dim1" && l.Value == "value1"));
var metricLong = metricSeries as Int64SumData;
Assert.Equal(110, metricLong.Sum);
metricSeries = metric.Data.Single(data => data.Labels.Any(l => l.Key == "dim1" && l.Value == "value2"));
metricLong = metricSeries as Int64SumData;
Assert.Equal(200, metricLong.Sum);
metricSeries = metric.Data.Single(data => data.Labels.Any(l => l.Key == "dim1" && l.Value == "value3"));
metricLong = metricSeries as Int64SumData;
Assert.Equal(210, metricLong.Sum);
}
[Fact]
public void MeasureSendsAggregateToRegisteredProcessor()
{
var testProcessor = new TestMetricProcessor();
var meter = Sdk.CreateMeterProvider(mb => mb.SetMetricProcessor(testProcessor)).GetMeter("library1") as MeterSdk;
var testMeasure = meter.CreateInt64Measure("testMeasure");
var labels1 = new List<KeyValuePair<string, string>>();
labels1.Add(new KeyValuePair<string, string>("dim1", "value1"));
var labels2 = new List<KeyValuePair<string, string>>();
labels2.Add(new KeyValuePair<string, string>("dim1", "value2"));
var context = default(SpanContext);
testMeasure.Record(context, 100, meter.GetLabelSet(labels1));
testMeasure.Record(context, 10, meter.GetLabelSet(labels1));
testMeasure.Record(context, 1, meter.GetLabelSet(labels1));
testMeasure.Record(context, 200, meter.GetLabelSet(labels2));
testMeasure.Record(context, 20, meter.GetLabelSet(labels2));
meter.Collect();
Assert.Single(testProcessor.Metrics);
var metric = testProcessor.Metrics[0];
Assert.Equal("testMeasure", metric.MetricName);
Assert.Equal("library1", metric.MetricNamespace);
// 2 time series, as 2 unique label sets.
Assert.Equal(2, metric.Data.Count);
var metricSeries = metric.Data.Single(data => data.Labels.Any(l => l.Key == "dim1" && l.Value == "value1"));
var metricSummary = metricSeries as Int64SummaryData;
Assert.Equal(111, metricSummary.Sum);
Assert.Equal(3, metricSummary.Count);
Assert.Equal(1, metricSummary.Min);
Assert.Equal(100, metricSummary.Max);
metricSeries = metric.Data.Single(data => data.Labels.Any(l => l.Key == "dim1" && l.Value == "value2"));
metricSummary = metricSeries as Int64SummaryData;
Assert.Equal(220, metricSummary.Sum);
Assert.Equal(2, metricSummary.Count);
Assert.Equal(20, metricSummary.Min);
Assert.Equal(200, metricSummary.Max);
}
[Fact]
public void LongObserverSendsAggregateToRegisteredProcessor()
{
var testProcessor = new TestMetricProcessor();
var meter = Sdk.CreateMeterProvider(mb => mb.SetMetricProcessor(testProcessor)).GetMeter("library1") as MeterSdk;
var testObserver = meter.CreateInt64Observer("testObserver", this.TestCallbackLong);
meter.Collect();
Assert.Single(testProcessor.Metrics);
var metric = testProcessor.Metrics[0];
Assert.Equal("testObserver", metric.MetricName);
Assert.Equal("library1", metric.MetricNamespace);
// 2 time series, as 2 unique label sets.
Assert.Equal(2, metric.Data.Count);
var metricSeries = metric.Data.Single(data => data.Labels.Any(l => l.Key == "dim1" && l.Value == "value1"));
var metricLong = metricSeries as Int64SumData;
Assert.Equal(30, metricLong.Sum);
metricSeries = metric.Data.Single(data => data.Labels.Any(l => l.Key == "dim1" && l.Value == "value2"));
metricLong = metricSeries as Int64SumData;
Assert.Equal(300, metricLong.Sum);
}
[Fact]
public void DoubleObserverSendsAggregateToRegisteredProcessor()
{
var testProcessor = new TestMetricProcessor();
var meter = Sdk.CreateMeterProvider(mb => mb.SetMetricProcessor(testProcessor)).GetMeter("library1") as MeterSdk;
var testObserver = meter.CreateDoubleObserver("testObserver", this.TestCallbackDouble);
meter.Collect();
Assert.Single(testProcessor.Metrics);
var metric = testProcessor.Metrics[0];
Assert.Equal("testObserver", metric.MetricName);
Assert.Equal("library1", metric.MetricNamespace);
// 2 time series, as 2 unique label sets.
Assert.Equal(2, metric.Data.Count);
var metricSeries = metric.Data.Single(data => data.Labels.Any(l => l.Key == "dim1" && l.Value == "value1"));
var metricLong = metricSeries as DoubleSumData;
Assert.Equal(30.5, metricLong.Sum);
metricSeries = metric.Data.Single(data => data.Labels.Any(l => l.Key == "dim1" && l.Value == "value2"));
metricLong = metricSeries as DoubleSumData;
Assert.Equal(300.5, metricLong.Sum);
}
private void TestCallbackLong(Int64ObserverMetric observerMetric)
{
var labels1 = new List<KeyValuePair<string, string>>();
labels1.Add(new KeyValuePair<string, string>("dim1", "value1"));
var labels2 = new List<KeyValuePair<string, string>>();
labels2.Add(new KeyValuePair<string, string>("dim1", "value2"));
observerMetric.Observe(10, labels1);
observerMetric.Observe(20, labels1);
observerMetric.Observe(30, labels1);
observerMetric.Observe(100, labels2);
observerMetric.Observe(200, labels2);
observerMetric.Observe(300, labels2);
}
private void TestCallbackDouble(DoubleObserverMetric observerMetric)
{
var labels1 = new List<KeyValuePair<string, string>>();
labels1.Add(new KeyValuePair<string, string>("dim1", "value1"));
var labels2 = new List<KeyValuePair<string, string>>();
labels2.Add(new KeyValuePair<string, string>("dim1", "value2"));
observerMetric.Observe(10.5, labels1);
observerMetric.Observe(20.5, labels1);
observerMetric.Observe(30.5, labels1);
observerMetric.Observe(100.5, labels2);
observerMetric.Observe(200.5, labels2);
observerMetric.Observe(300.5, labels2);
}
}
}