117 lines
4.7 KiB
C#
117 lines
4.7 KiB
C#
// <copyright file="SuppressInstrumentationTest.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.Threading.Tasks;
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using Xunit;
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namespace OpenTelemetry.Tests
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{
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public class SuppressInstrumentationTest
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{
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[Fact]
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public static void UsingSuppressInstrumentation()
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{
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Assert.False(Sdk.SuppressInstrumentation);
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using (var scope = SuppressInstrumentationScope.Begin())
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{
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Assert.True(Sdk.SuppressInstrumentation);
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using (var innerScope = SuppressInstrumentationScope.Begin())
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{
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innerScope.Dispose();
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Assert.True(Sdk.SuppressInstrumentation);
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scope.Dispose();
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}
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Assert.False(Sdk.SuppressInstrumentation);
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}
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Assert.False(Sdk.SuppressInstrumentation);
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}
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[Theory]
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[InlineData(null)]
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[InlineData(false)]
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[InlineData(true)]
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public void SuppressInstrumentationBeginTest(bool? shouldBegin)
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{
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Assert.False(Sdk.SuppressInstrumentation);
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using var scope = shouldBegin.HasValue ? SuppressInstrumentationScope.Begin(shouldBegin.Value) : SuppressInstrumentationScope.Begin();
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if (shouldBegin.HasValue)
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{
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Assert.Equal(shouldBegin.Value, Sdk.SuppressInstrumentation);
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}
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else
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{
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Assert.True(Sdk.SuppressInstrumentation); // Default behavior is to pass true and suppress the instrumentation
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}
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}
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[Fact]
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public async void SuppressInstrumentationScopeEnterIsLocalToAsyncFlow()
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{
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Assert.False(Sdk.SuppressInstrumentation);
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// SuppressInstrumentationScope.Enter called inside the task is only applicable to this async flow
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await Task.Factory.StartNew(() =>
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{
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Assert.False(Sdk.SuppressInstrumentation);
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SuppressInstrumentationScope.Enter();
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Assert.True(Sdk.SuppressInstrumentation);
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}).ConfigureAwait(false);
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Assert.False(Sdk.SuppressInstrumentation); // Changes made by SuppressInstrumentationScope.Enter in the task above are not reflected here as it's not part of the same async flow
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}
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[Fact]
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public void DecrementIfTriggeredOnlyWorksInReferenceCountingMode()
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{
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// Instrumentation is not suppressed, DecrementIfTriggered is a no op
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Assert.False(Sdk.SuppressInstrumentation);
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SuppressInstrumentationScope.DecrementIfTriggered();
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Assert.False(Sdk.SuppressInstrumentation);
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// Instrumentation is suppressed in reference counting mode, DecrementIfTriggered should work
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SuppressInstrumentationScope.Enter();
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Assert.True(Sdk.SuppressInstrumentation);
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SuppressInstrumentationScope.DecrementIfTriggered();
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Assert.False(Sdk.SuppressInstrumentation); // Instrumentation is not suppressed anymore
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}
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[Fact]
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public void IncrementIfTriggeredOnlyWorksInReferenceCountingMode()
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{
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// Instrumentation is not suppressed, IncrementIfTriggered is a no op
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Assert.False(Sdk.SuppressInstrumentation);
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SuppressInstrumentationScope.IncrementIfTriggered();
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Assert.False(Sdk.SuppressInstrumentation);
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// Instrumentation is suppressed in reference counting mode, IncrementIfTriggered should work
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SuppressInstrumentationScope.Enter();
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SuppressInstrumentationScope.IncrementIfTriggered();
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Assert.True(Sdk.SuppressInstrumentation);
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SuppressInstrumentationScope.DecrementIfTriggered();
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Assert.True(Sdk.SuppressInstrumentation); // Instrumentation is still suppressed as IncrementIfTriggered incremented the slot count after Enter, need to decrement the slot count again to enable instrumentation
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SuppressInstrumentationScope.DecrementIfTriggered();
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Assert.False(Sdk.SuppressInstrumentation); // Instrumentation is not suppressed anymore
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}
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}
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}
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