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118
tracer/test/Datadog.Trace.Tests/Debugger/SpanCodeOriginTests.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,118 @@ | ||
| // <copyright file="SpanCodeOriginTests.cs" company="Datadog"> | ||
| // Unless explicitly stated otherwise all files in this repository are licensed under the Apache 2 License. | ||
| // This product includes software developed at Datadog (https://www.datadoghq.com/). Copyright 2017 Datadog, Inc. | ||
| // </copyright> | ||
|
|
||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Linq; | ||
| using System.Reflection; | ||
| using Datadog.Trace.Configuration; | ||
| using Datadog.Trace.Configuration.Telemetry; | ||
| using Datadog.Trace.Debugger; | ||
| using Datadog.Trace.Debugger.SpanCodeOrigin; | ||
| using Datadog.Trace.VendoredMicrosoftCode.System.Collections.Immutable; | ||
| using Xunit; | ||
|
|
||
| namespace Datadog.Trace.Tests.Debugger | ||
| { | ||
| public class SpanCodeOriginTests | ||
| { | ||
| private const string CodeOriginTag = "_dd.code_origin"; | ||
|
|
||
| [Fact] | ||
| public void SetCodeOrigin_WhenSpanIsNull_DoesNotThrow() | ||
| { | ||
| // Should not throw | ||
| SpanCodeOriginManager.Instance.SetCodeOrigin(null); | ||
| } | ||
|
|
||
| [Fact] | ||
| public void SetCodeOrigin_WhenDisabled_DoesNotSetTags() | ||
| { | ||
| // Arrange | ||
| CreateCodeOriginManager(); | ||
|
|
||
| var span = new Span(new SpanContext(1, 2, SamplingPriority.UserKeep), DateTimeOffset.UtcNow); | ||
|
|
||
| // Act | ||
| SpanCodeOriginManager.Instance.SetCodeOrigin(span); | ||
|
|
||
| // Assert | ||
| Assert.Null(span.Tags.GetTag(CodeOriginTag + ".type")); | ||
| } | ||
|
|
||
| [Fact] | ||
| public void SetCodeOrigin_WhenEnabled_SetsCorrectTags() | ||
| { | ||
| // Arrange | ||
| CreateCodeOriginManager(true); | ||
|
|
||
| var span = new Span(new SpanContext(1, 2, SamplingPriority.UserKeep), DateTimeOffset.UtcNow); | ||
|
|
||
| // Act | ||
| TestMethod(span); | ||
|
|
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| // Assert | ||
| Assert.NotNull(span.Tags.GetTag($"{CodeOriginTag}.type")); | ||
| Assert.Equal("exit", span.Tags.GetTag($"{CodeOriginTag}.type")); | ||
|
|
||
| Assert.NotNull(span.Tags.GetTag($"{CodeOriginTag}.frames.0.method")); | ||
| Assert.Equal(nameof(TestMethod), span.Tags.GetTag($"{CodeOriginTag}.frames.0.method")); | ||
| Assert.NotNull(span.Tags.GetTag($"{CodeOriginTag}.frames.0.type")); | ||
| Assert.Contains(nameof(SpanCodeOriginTests), span.Tags.GetTag($"{CodeOriginTag}.frames.0.type")); | ||
| } | ||
|
|
||
| [Fact] | ||
| public void SetCodeOrigin_WithMaxFramesLimit_RespectsLimit() | ||
| { | ||
| // Arrange | ||
| CreateCodeOriginManager(true, 2); | ||
|
|
||
| var span = new Span(new SpanContext(1, 2, SamplingPriority.UserKeep), DateTimeOffset.UtcNow); | ||
|
|
||
| // Act | ||
| DeepTestMethod1(span); | ||
|
|
||
| // Assert | ||
| var tags = ((List<KeyValuePair<string, string>>)(typeof(Datadog.Trace.Tagging.TagsList).GetField("_tags", BindingFlags.Instance | BindingFlags.NonPublic).GetValue(span.Tags))).Select(i => i.Key).ToList(); | ||
| Assert.Contains(tags, s => s.StartsWith($"{CodeOriginTag}.frames.0")); | ||
| Assert.Contains(tags, s => s.StartsWith($"{CodeOriginTag}.frames.1")); | ||
| Assert.DoesNotContain(tags, s => s.StartsWith($"{CodeOriginTag}.frames.2")); | ||
| } | ||
|
|
||
| private static void CreateCodeOriginManager(bool isEnable = false, int numberOfFrames = 8, string excludeFromFilter = "Datadog.Trace.Tests") | ||
| { | ||
| var overrideSettings = DebuggerSettings.FromSource( | ||
| new NameValueConfigurationSource(new() | ||
| { | ||
| { ConfigurationKeys.Debugger.CodeOriginForSpansEnabled, isEnable.ToString() }, | ||
| { ConfigurationKeys.Debugger.CodeOriginMaxUserFrames, numberOfFrames.ToString() }, | ||
| { ConfigurationKeys.Debugger.ThirdPartyDetectionExcludes, excludeFromFilter } | ||
| }), | ||
| NullConfigurationTelemetry.Instance); | ||
| var instance = SpanCodeOriginManager.Instance; | ||
| instance.GetType().GetField("_settings", BindingFlags.NonPublic | BindingFlags.Instance).SetValue(instance, overrideSettings); | ||
| } | ||
|
|
||
| private void TestMethod(Span span) | ||
| { | ||
| SpanCodeOriginManager.Instance.SetCodeOrigin(span); | ||
| } | ||
|
|
||
| private void DeepTestMethod1(Span span) | ||
| { | ||
| DeepTestMethod2(span); | ||
| } | ||
|
|
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| private void DeepTestMethod2(Span span) | ||
| { | ||
| DeepTestMethod3(span); | ||
| } | ||
|
|
||
| private void DeepTestMethod3(Span span) | ||
| { | ||
| SpanCodeOriginManager.Instance.SetCodeOrigin(span); | ||
| } | ||
| } | ||
| } |