csharp-xunit — Skills — getagentictools

What it does

Use a separate test project with naming convention [ProjectName].Tests

Reference Microsoft.NET.Test.Sdk, xunit, and xunit.runner.visualstudio packages

Create test classes that match the classes being tested (e.g., CalculatorTests for Calculator)

Use .NET SDK test commands: dotnet test for running tests

No test class attributes required (unlike MSTest/NUnit)

Use fact-based tests with [Fact] attribute for simple tests

Follow the Arrange-Act-Assert (AAA) pattern

Comprehensive XUnit testing guide covering standard facts, data-driven theories, and best practices.

Source

Repository: https://github.com/github/awesome-copilot

csharp-xunit FAQ

What does the csharp-xunit skill do?

Get best practices for XUnit unit testing, including data-driven tests Use a separate test project with naming convention [ProjectName].Tests Reference Microsoft.NET.Test.Sdk, xunit, and xunit.runner.visualstudio packages

How do I install csharp-xunit?

Run: npx -y skills add https://github.com/github/awesome-copilot --skill csharp-xunit --agent claude-code — the source lives at github.com/github/awesome-copilot.

Maintain csharp-xunit?

Let people know it's listed here — add the badge (live metrics, light/dark aware) or a plain link to your README or docs.

[![csharp-xunit on getagentictools](https://getagentictools.com/badge/skills/github-awesome-copilot-csharp-xunit.svg)](https://getagentictools.com/skills/github-awesome-copilot-csharp-xunit?ref=badge)

npx agentictools info skills/github-awesome-copilot-csharp-xunit

The second line is the CLI lookup for this page — handy in READMEs and docs.