64 lines
2.1 KiB
C#
64 lines
2.1 KiB
C#
// <copyright file="MemoryEfficiencyTests.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.Diagnostics.Metrics;
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using OpenTelemetry.Exporter;
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using OpenTelemetry.Tests;
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using Xunit;
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namespace OpenTelemetry.Metrics.Tests
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{
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public class MemoryEfficiencyTests
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{
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[Theory]
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[InlineData(AggregationTemporality.Cumulative)]
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[InlineData(AggregationTemporality.Delta)]
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public void ExportOnlyWhenPointChanged(AggregationTemporality temporality)
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{
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using var meter = new Meter($"{Utils.GetCurrentMethodName()}.{temporality}");
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var exportedItems = new List<Metric>();
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using var meterProvider = Sdk.CreateMeterProviderBuilder()
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.AddMeter(meter.Name)
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.AddReader(
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new BaseExportingMetricReader(new InMemoryExporter<Metric>(exportedItems))
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{
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Temporality = temporality,
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})
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.Build();
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var counter = meter.CreateCounter<long>("meter");
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counter.Add(10, new KeyValuePair<string, object>("tag1", "value1"));
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meterProvider.ForceFlush();
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Assert.Single(exportedItems);
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exportedItems.Clear();
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meterProvider.ForceFlush();
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if (temporality == AggregationTemporality.Cumulative)
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{
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Assert.Single(exportedItems);
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}
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else
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{
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Assert.Empty(exportedItems);
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}
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}
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}
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}
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