Directory.Build.props

<Project>
  <PropertyGroup>
    <EnableMSTestRunner>true</EnableMSTestRunner>
    <TestingPlatformDotnetTestSupport>true</TestingPlatformDotnetTestSupport>
  </PropertyGroup>
</Project>

validate.cs

#:package MSTest@3.*

using Microsoft.VisualStudio.TestTools.UnitTesting;

[TestClass]
public class CalculatorTests
{
    [TestMethod]
    public void TestAddSum()
    {
        // Arrange
        int a = 5;
        int b = 10;
        int expected = 15;

        // Act
        int actual = Calculator.Add(a, b);

        // Assert
        Assert.AreEqual(expected, actual, "The sum of {0} and {1} should be {2}.", a, b, expected);
    }

    [TestMethod]
    [DataRow(1, 1, 2)]
    [DataRow(2, 2, 4)]
    [DataRow(3, 3, 6)]
    [DataRow(0, 0, 1)] // This will fail as 0 + 0 != 1
    public void AddIntegers_FromDataRowTest(int x, int y, int z)
    {
        // Act
        int a = x;
        int b = y;
        int expected = z;

        // Act
        int actual = Calculator.Add(a, b);

        // Assert
        Assert.AreEqual(expected, actual, "The sum of {0} and {1} should be {2}.", a, b, expected);
    }
}

class Calculator
{
    public static int Add(int a, int b) => a + b;
}

workflow.yml

name: Validate
on:
  workflow_dispatch:
permissions:
  contents: read
jobs:
  validate:
    name: Run validation script
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - uses: actions/setup-dotnet@v4
        with:
          dotnet-version: 10.x
      - name: Install .NET tools
        run: |
          dotnet new tool-manifest
          dotnet tool install --local DotnetCtrfJsonReporter
      - name: Run .NET unit tests
        run: |
          dotnet run validate.cs  --results-directory "tst" --report-trx --report-trx-filename "results.trx" --no-ansi --ignore-exit-code "2"
      - name: Generate CTRF test report
        run: |
          dotnet tool run DotnetCtrfJsonReporter --test-tool "mstest" --trx-path "tst/results.trx" --output-directory "ctrf" --output-filename "report.json"
      - name: Publish CTRF test report
        uses: ctrf-io/github-test-reporter@v1
        with:
          report-path: '**/ctrf/report*.json'