Add VSTest to MTP migration skill

.claude-plugin/marketplace.json

@@ -42,7 +42,7 @@
     {
       "name": "dotnet-test",
       "source": "./plugins/dotnet-test",
-      "description": "Skills for running and diagnosing .NET tests: test execution, filtering, platform detection, and MSTest workflows."
+      "description": "Skills for running, diagnosing, and migrating .NET tests: test execution, filtering, platform detection, and MSTest workflows."
     }
   ]
 }

.github/plugin/marketplace.json

@@ -42,7 +42,7 @@
     {
       "name": "dotnet-test",
       "source": "./plugins/dotnet-test",
-      "description": "Skills for running and diagnosing .NET tests: test execution, filtering, platform detection, and MSTest workflows."
+      "description": "Skills for running, diagnosing, and migrating .NET tests: test execution, filtering, platform detection, and MSTest workflows."
     }
   ]
 }

README.md

@@ -15,7 +15,7 @@ This repository contains the .NET team's curated set of core skills and custom a
 | [dotnet-upgrade](plugins/dotnet-upgrade/) | Skills for migrating and upgrading .NET projects across framework versions, language features, and compatibility targets. |
 | [dotnet-maui](plugins/dotnet-maui/) | Skills for .NET MAUI development: environment setup, diagnostics, and troubleshooting. |
 | [dotnet-ai](plugins/dotnet-ai/) | AI and ML skills for .NET: technology selection, LLM integration, agentic workflows, RAG pipelines, MCP, and classic ML with ML.NET. |
-| [dotnet-test](plugins/dotnet-test/) | Skills for running and diagnosing .NET tests: test execution, filtering, platform detection, and MSTest workflows. |
+| [dotnet-test](plugins/dotnet-test/) | Skills for running, diagnosing, and migrating .NET tests: test execution, filtering, platform detection, and MSTest workflows. |
 
 ## Installation
 

plugins/dotnet-test/plugin.json

@@ -1,6 +1,6 @@
 {
   "name": "dotnet-test",
   "version": "0.1.0",
-  "description": "Skills for running and diagnosing .NET tests: test execution, filtering, platform detection, and MSTest workflows.",
+  "description": "Skills for running, diagnosing, and migrating .NET tests: test execution, filtering, platform detection, and MSTest workflows.",
   "skills": "./skills/"
 }

tests/dotnet-test/migrate-vstest-to-mtp/fixtures/mstest-ci-pipeline/ServiceTests.cs

@@ -0,0 +1,19 @@
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+
+namespace MyApp.Tests;
+
+[TestClass]
+public class ServiceTests
+{
+    [TestMethod]
+    public void HealthCheck_ReturnsOk()
+    {
+        Assert.IsTrue(true);
+    }
+
+    [TestMethod]
+    public void GetStatus_ReturnsRunning()
+    {
+        Assert.AreEqual("Running", "Running");
+    }
+}

tests/dotnet-test/migrate-vstest-to-mtp/fixtures/mstest-ci-pipeline/TestProject.csproj

@@ -0,0 +1,13 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <IsPackable>false</IsPackable>
+  </PropertyGroup>
+  <ItemGroup>
+    <PackageReference Include="MSTest.TestFramework" Version="3.8.0" />
+    <PackageReference Include="MSTest.TestAdapter" Version="3.8.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.13.0" />
+  </ItemGroup>
+</Project>

tests/dotnet-test/migrate-vstest-to-mtp/fixtures/mstest-ci-pipeline/azure-pipelines.yml

@@ -0,0 +1,36 @@
+trigger:
+  - main
+
+pool:
+  vmImage: 'ubuntu-latest'
+
+steps:
+  - task: UseDotNet@2
+    inputs:
+      packageType: 'sdk'
+      version: '8.0.x'
+
+  - task: DotNetCoreCLI@2
+    displayName: Restore
+    inputs:
+      command: 'restore'
+
+  - task: DotNetCoreCLI@2
+    displayName: Build
+    inputs:
+      command: 'build'
+      arguments: '--no-restore --configuration Release'
+
+  - task: VSTest@3
+    displayName: Run tests
+    inputs:
+      testAssemblyVer2: |
+        **/*Tests.dll
+        !**/obj/**
+      runSettingsFile: 'test.runsettings'
+      codeCoverageEnabled: true
+
+  - task: PublishTestResults@2
+    inputs:
+      testResultsFormat: 'VSTest'
+      testResultsFiles: '**/*.trx'

tests/dotnet-test/migrate-vstest-to-mtp/fixtures/mstest-sdk-vstest/AppTests.cs

@@ -0,0 +1,19 @@
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+
+namespace MyApp.Tests;
+
+[TestClass]
+public class AppTests
+{
+    [TestMethod]
+    public void Initialize_Succeeds()
+    {
+        Assert.IsTrue(true);
+    }
+
+    [TestMethod]
+    public void Shutdown_Succeeds()
+    {
+        Assert.IsTrue(true);
+    }
+}

tests/dotnet-test/migrate-vstest-to-mtp/fixtures/mstest-sdk-vstest/TestProject.csproj

@@ -0,0 +1,8 @@
+<Project Sdk="MSTest.Sdk/3.8.0">
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <UseVSTest>true</UseVSTest>
+  </PropertyGroup>
+</Project>

tests/dotnet-test/migrate-vstest-to-mtp/fixtures/mstest-vstest/CalculatorTests.cs

@@ -0,0 +1,26 @@
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+
+namespace MyApp.Tests;
+
+[TestClass]
+public class CalculatorTests
+{
+    [TestMethod]
+    public void Add_ReturnsCorrectSum()
+    {
+        Assert.AreEqual(4, 2 + 2);
+    }
+
+    [TestMethod]
+    public void Subtract_ReturnsCorrectDifference()
+    {
+        Assert.AreEqual(0, 2 - 2);
+    }
+
+    [TestMethod]
+    [TestCategory("Slow")]
+    public void Multiply_ReturnsCorrectProduct()
+    {
+        Assert.AreEqual(6, 2 * 3);
+    }
+}

tests/dotnet-test/migrate-vstest-to-mtp/fixtures/mstest-vstest/TestProject.csproj

@@ -0,0 +1,13 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <IsPackable>false</IsPackable>
+  </PropertyGroup>
+  <ItemGroup>
+    <PackageReference Include="MSTest.TestFramework" Version="3.8.0" />
+    <PackageReference Include="MSTest.TestAdapter" Version="3.8.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.13.0" />
+  </ItemGroup>
+</Project>

tests/dotnet-test/migrate-vstest-to-mtp/fixtures/nunit-vstest/CalculatorTests.cs

@@ -0,0 +1,26 @@
+using NUnit.Framework;
+
+namespace MyApp.Tests;
+
+[TestFixture]
+public class CalculatorTests
+{
+    [Test]
+    public void Add_ReturnsCorrectSum()
+    {
+        Assert.That(2 + 2, Is.EqualTo(4));
+    }
+
+    [Test]
+    public void Subtract_ReturnsCorrectDifference()
+    {
+        Assert.That(2 - 2, Is.EqualTo(0));
+    }
+
+    [Test]
+    [Category("Slow")]
+    public void Multiply_ReturnsCorrectProduct()
+    {
+        Assert.That(2 * 3, Is.EqualTo(6));
+    }
+}

tests/dotnet-test/migrate-vstest-to-mtp/fixtures/nunit-vstest/TestProject.csproj

@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <IsPackable>false</IsPackable>
+  </PropertyGroup>
+  <ItemGroup>
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
+    <PackageReference Include="NUnit" Version="4.3.2" />
+    <PackageReference Include="NUnit.Analyzers" Version="4.6.0" />
+    <PackageReference Include="NUnit3TestAdapter" Version="4.6.0" />
+  </ItemGroup>
+</Project>

tests/dotnet-test/migrate-vstest-to-mtp/fixtures/xunit-vstest/CalculatorTests.cs

@@ -0,0 +1,26 @@
+using Xunit;
+
+namespace MyApp.Tests;
+
+public class CalculatorTests
+{
+    [Fact]
+    public void Add_ReturnsCorrectSum()
+    {
+        Assert.Equal(4, 2 + 2);
+    }
+
+    [Fact]
+    public void Subtract_ReturnsCorrectDifference()
+    {
+        Assert.Equal(0, 2 - 2);
+    }
+
+    [Theory]
+    [InlineData(2, 3, 6)]
+    [InlineData(4, 5, 20)]
+    public void Multiply_ReturnsCorrectProduct(int a, int b, int expected)
+    {
+        Assert.Equal(expected, a * b);
+    }
+}

tests/dotnet-test/migrate-vstest-to-mtp/fixtures/xunit-vstest/TestProject.csproj

@@ -0,0 +1,13 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <IsPackable>false</IsPackable>
+  </PropertyGroup>
+  <ItemGroup>
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
+    <PackageReference Include="xunit" Version="2.9.3" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2" />
+  </ItemGroup>
+</Project>