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Merged
CalvinAllen merged 1 commit into from
Dec 23, 2025
Merged

test: add comprehensive xUnit test project #4

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7 changes: 6 additions & 1 deletion CodingWithCalvin.Otel4Vsix.slnx
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<Solution>
<Project Path="src/CodingWithCalvin.Otel4Vsix/CodingWithCalvin.Otel4Vsix.csproj" />
<Folder Name="/src/">
<Project Path="src/CodingWithCalvin.Otel4Vsix/CodingWithCalvin.Otel4Vsix.csproj" />
</Folder>
<Folder Name="/tests/">
<Project Path="tests/CodingWithCalvin.Otel4Vsix.Tests/CodingWithCalvin.Otel4Vsix.Tests.csproj" />
</Folder>
</Solution>
3 changes: 3 additions & 0 deletions src/CodingWithCalvin.Otel4Vsix/Properties/AssemblyInfo.cs
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using System;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;

[assembly: AssemblyTitle("Otel4Vsix")]
Expand All @@ -19,3 +20,5 @@
[assembly: AssemblyVersion("1.0.0.0")]
[assembly: AssemblyFileVersion("1.0.0.0")]
[assembly: AssemblyInformationalVersion("1.0.0")]

[assembly: InternalsVisibleTo("CodingWithCalvin.Otel4Vsix.Tests")]
246 changes: 246 additions & 0 deletions tests/CodingWithCalvin.Otel4Vsix.Tests/ActivitySourceProviderTests.cs
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using System;
using System.Diagnostics;
using FluentAssertions;
using Otel4Vsix.Tracing;
using Xunit;

namespace CodingWithCalvin.Otel4Vsix.Tests
{
public class ActivitySourceProviderTests : IDisposable
{
private ActivitySourceProvider _provider;
private ActivityListener _listener;

public ActivitySourceProviderTests()
{
// Set up an activity listener so activities are actually created
_listener = new ActivityListener
{
ShouldListenTo = _ => true,
Sample = (ref ActivityCreationOptions<ActivityContext> _) => ActivitySamplingResult.AllData
};
ActivitySource.AddActivityListener(_listener);
}

public void Dispose()
{
_provider?.Dispose();
_listener?.Dispose();
}

[Fact]
public void Constructor_WithNullServiceName_ThrowsArgumentNullException()
{
Action act = () => new ActivitySourceProvider(null, "1.0.0");

act.Should().Throw<ArgumentNullException>()
.And.ParamName.Should().Be("serviceName");
}

[Fact]
public void Constructor_WithEmptyServiceName_ThrowsArgumentNullException()
{
Action act = () => new ActivitySourceProvider(string.Empty, "1.0.0");

act.Should().Throw<ArgumentNullException>();
}

[Fact]
public void Constructor_WithWhitespaceServiceName_ThrowsArgumentNullException()
{
Action act = () => new ActivitySourceProvider(" ", "1.0.0");

act.Should().Throw<ArgumentNullException>();
}

[Fact]
public void Constructor_WithValidName_CreatesActivitySource()
{
_provider = new ActivitySourceProvider("TestService", "1.0.0");

_provider.ActivitySource.Should().NotBeNull();
_provider.ActivitySource.Name.Should().Be("TestService");
_provider.ActivitySource.Version.Should().Be("1.0.0");
}

[Fact]
public void Constructor_WithNullVersion_UsesDefaultVersion()
{
_provider = new ActivitySourceProvider("TestService", null);

_provider.ActivitySource.Should().NotBeNull();
_provider.ActivitySource.Version.Should().Be("1.0.0");
}

[Fact]
public void ActivitySource_BeforeDispose_ReturnsActivitySource()
{
_provider = new ActivitySourceProvider("TestService", "1.0.0");

var activitySource = _provider.ActivitySource;

activitySource.Should().NotBeNull();
}

[Fact]
public void ActivitySource_AfterDispose_ThrowsObjectDisposedException()
{
_provider = new ActivitySourceProvider("TestService", "1.0.0");
_provider.Dispose();

Action act = () => { var _ = _provider.ActivitySource; };

act.Should().Throw<ObjectDisposedException>()
.And.ObjectName.Should().Be(nameof(ActivitySourceProvider));
}

[Fact]
public void StartActivity_CreatesActivity()
{
_provider = new ActivitySourceProvider("TestService", "1.0.0");

using var activity = _provider.StartActivity("TestActivity");

activity.Should().NotBeNull();
activity.OperationName.Should().Be("TestActivity");
}

[Fact]
public void StartActivity_WithKind_SetsActivityKind()
{
_provider = new ActivitySourceProvider("TestService", "1.0.0");

using var activity = _provider.StartActivity("TestActivity", ActivityKind.Client);

activity.Should().NotBeNull();
activity.Kind.Should().Be(ActivityKind.Client);
}

[Fact]
public void StartActivity_AfterDispose_ThrowsObjectDisposedException()
{
_provider = new ActivitySourceProvider("TestService", "1.0.0");
_provider.Dispose();

Action act = () => _provider.StartActivity("TestActivity");

act.Should().Throw<ObjectDisposedException>();
}

[Fact]
public void StartCommandActivity_CreatesActivityWithCorrectName()
{
_provider = new ActivitySourceProvider("TestService", "1.0.0");

using var activity = _provider.StartCommandActivity("MyCommand");

activity.Should().NotBeNull();
activity.OperationName.Should().Be("Command: MyCommand");
}

[Fact]
public void StartCommandActivity_SetsCommandNameTag()
{
_provider = new ActivitySourceProvider("TestService", "1.0.0");

using var activity = _provider.StartCommandActivity("MyCommand");

activity.Should().NotBeNull();
activity.GetTagItem("vs.command.name").Should().Be("MyCommand");
}

[Fact]
public void StartCommandActivity_AfterDispose_ThrowsObjectDisposedException()
{
_provider = new ActivitySourceProvider("TestService", "1.0.0");
_provider.Dispose();

Action act = () => _provider.StartCommandActivity("MyCommand");

act.Should().Throw<ObjectDisposedException>();
}

[Fact]
public void StartToolWindowActivity_CreatesActivityWithCorrectName()
{
_provider = new ActivitySourceProvider("TestService", "1.0.0");

using var activity = _provider.StartToolWindowActivity("SolutionExplorer", "Open");

activity.Should().NotBeNull();
activity.OperationName.Should().Be("ToolWindow: SolutionExplorer.Open");
}

[Fact]
public void StartToolWindowActivity_SetsCorrectTags()
{
_provider = new ActivitySourceProvider("TestService", "1.0.0");

using var activity = _provider.StartToolWindowActivity("SolutionExplorer", "Open");

activity.Should().NotBeNull();
activity.GetTagItem("vs.toolwindow.name").Should().Be("SolutionExplorer");
activity.GetTagItem("vs.toolwindow.operation").Should().Be("Open");
}

[Fact]
public void StartToolWindowActivity_AfterDispose_ThrowsObjectDisposedException()
{
_provider = new ActivitySourceProvider("TestService", "1.0.0");
_provider.Dispose();

Action act = () => _provider.StartToolWindowActivity("Window", "Op");

act.Should().Throw<ObjectDisposedException>();
}

[Fact]
public void StartDocumentActivity_CreatesActivityWithCorrectName()
{
_provider = new ActivitySourceProvider("TestService", "1.0.0");

using var activity = _provider.StartDocumentActivity("C:\\file.cs", "Open");

activity.Should().NotBeNull();
activity.OperationName.Should().Be("Document: Open");
}

[Fact]
public void StartDocumentActivity_SetsCorrectTags()
{
_provider = new ActivitySourceProvider("TestService", "1.0.0");

using var activity = _provider.StartDocumentActivity("C:\\file.cs", "Save");

activity.Should().NotBeNull();
activity.GetTagItem("vs.document.path").Should().Be("C:\\file.cs");
activity.GetTagItem("vs.document.operation").Should().Be("Save");
}

[Fact]
public void StartDocumentActivity_AfterDispose_ThrowsObjectDisposedException()
{
_provider = new ActivitySourceProvider("TestService", "1.0.0");
_provider.Dispose();

Action act = () => _provider.StartDocumentActivity("file.cs", "Open");

act.Should().Throw<ObjectDisposedException>();
}

[Fact]
public void Dispose_MultipleTimes_DoesNotThrow()
{
_provider = new ActivitySourceProvider("TestService", "1.0.0");

Action act = () =>
{
_provider.Dispose();
_provider.Dispose();
_provider.Dispose();
};

act.Should().NotThrow();
}
}
}
28 changes: 28 additions & 0 deletions tests/CodingWithCalvin.Otel4Vsix.Tests/CodingWithCalvin.Otel4Vsix.Tests.csproj
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<?xml version="1.0" encoding="utf-8"?>
<Project Sdk="Microsoft.NET.Sdk">

<PropertyGroup>
<TargetFramework>net48</TargetFramework>
<LangVersion>latest</LangVersion>
<IsPackable>false</IsPackable>
<IsTestProject>true</IsTestProject>
<RootNamespace>CodingWithCalvin.Otel4Vsix.Tests</RootNamespace>
<AssemblyName>CodingWithCalvin.Otel4Vsix.Tests</AssemblyName>
</PropertyGroup>

<ItemGroup>
<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
<PackageReference Include="xunit" Version="2.6.2" />
<PackageReference Include="xunit.runner.visualstudio" Version="2.5.4">
<PrivateAssets>all</PrivateAssets>
<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
</PackageReference>
<PackageReference Include="Moq" Version="4.20.70" />
<PackageReference Include="FluentAssertions" Version="6.12.0" />
</ItemGroup>

<ItemGroup>
<ProjectReference Include="..\..\src\CodingWithCalvin.Otel4Vsix\CodingWithCalvin.Otel4Vsix.csproj" />
</ItemGroup>

</Project>
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