127 lines
4.5 KiB
C#
127 lines
4.5 KiB
C#
// <copyright file="CompositeActivityProcessorTests.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.Diagnostics;
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using OpenTelemetry.Tests;
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using Xunit;
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namespace OpenTelemetry.Trace.Tests
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{
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public class CompositeActivityProcessorTests
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{
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[Fact]
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public void CompositeActivityProcessor_BadArgs()
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{
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Assert.Throws<ArgumentNullException>(() => new CompositeProcessor<Activity>(null));
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Assert.Throws<ArgumentException>(() => new CompositeProcessor<Activity>(Array.Empty<BaseProcessor<Activity>>()));
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using var p1 = new TestActivityProcessor(null, null);
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using var processor = new CompositeProcessor<Activity>(new[] { p1 });
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Assert.Throws<ArgumentNullException>(() => processor.AddProcessor(null));
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}
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[Fact]
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public void CompositeActivityProcessor_CallsAllProcessorSequentially()
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{
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var result = string.Empty;
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using var p1 = new TestActivityProcessor(
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activity => { result += "1"; },
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activity => { result += "3"; });
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using var p2 = new TestActivityProcessor(
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activity => { result += "2"; },
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activity => { result += "4"; });
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var activity = new Activity("test");
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using (var processor = new CompositeProcessor<Activity>(new[] { p1, p2 }))
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{
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processor.OnStart(activity);
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processor.OnEnd(activity);
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}
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Assert.Equal("1234", result);
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}
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[Fact]
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public void CompositeActivityProcessor_ProcessorThrows()
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{
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using var p1 = new TestActivityProcessor(
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activity => { throw new Exception("Start exception"); },
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activity => { throw new Exception("End exception"); });
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var activity = new Activity("test");
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using var processor = new CompositeProcessor<Activity>(new[] { p1 });
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Assert.Throws<Exception>(() => { processor.OnStart(activity); });
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Assert.Throws<Exception>(() => { processor.OnEnd(activity); });
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}
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[Fact]
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public void CompositeActivityProcessor_ShutsDownAll()
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{
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using var p1 = new TestActivityProcessor(null, null);
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using var p2 = new TestActivityProcessor(null, null);
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using var processor = new CompositeProcessor<Activity>(new[] { p1, p2 });
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processor.Shutdown();
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Assert.True(p1.ShutdownCalled);
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Assert.True(p2.ShutdownCalled);
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}
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[Theory]
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[InlineData(Timeout.Infinite)]
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[InlineData(0)]
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[InlineData(1)]
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public void CompositeActivityProcessor_ForceFlush(int timeout)
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{
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using var p1 = new TestActivityProcessor(null, null);
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using var p2 = new TestActivityProcessor(null, null);
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using var processor = new CompositeProcessor<Activity>(new[] { p1, p2 });
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processor.ForceFlush(timeout);
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Assert.True(p1.ForceFlushCalled);
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Assert.True(p2.ForceFlushCalled);
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}
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[Fact]
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public void CompositeActivityProcessor_ForwardsParentProvider()
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{
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using TracerProvider provider = new TestProvider();
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using var p1 = new TestActivityProcessor(null, null);
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using var p2 = new TestActivityProcessor(null, null);
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using var processor = new CompositeProcessor<Activity>(new[] { p1, p2 });
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Assert.Null(processor.ParentProvider);
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Assert.Null(p1.ParentProvider);
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Assert.Null(p2.ParentProvider);
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processor.SetParentProvider(provider);
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Assert.Equal(provider, processor.ParentProvider);
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Assert.Equal(provider, p1.ParentProvider);
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Assert.Equal(provider, p2.ParentProvider);
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}
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private sealed class TestProvider : TracerProvider
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{
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}
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}
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}
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