C#/.NET Unit Testing

Testing frameworks for .NET like NUnit, xUnit, and MSTest. Efficient test development with Visual Studio integration.

GitHub Star Comparison

C#/.NET Unit Testing GitHub Star Comparison
NoNameGitHub StarsDescriptionTrendLicenseTypeOfficial Site
1xUnit.NET⭐ 4.4kA modern .NET testing framework created by the creators of NUnit. More community-oriented and extensible, adopting a unique testing style with Facts and Theories. Designed optimized for the .NET Core era.As of 2025, rapidly gaining popularity in the .NET community as a modern framework. Increasingly adopted as standard in Microsoft products like ASP.NET Core and Entity Framework Core, with particularly high selection rates for new projects.Apache License 2.0Testing FrameworkOfficial
2NUnit⭐ 2.6kA mature unit testing framework for all .NET languages. Features a rich feature set including cross-platform support, parallel execution, parameterized tests, and a fluent assertion constraint system. Supports everything from TDD to integration testing.As of 2025, NUnit 4 is the latest version leveraging the latest .NET features and C# language constructs. Supports .NET Framework 4.6.2+, .NET 6.0+, and .NET 8.0+. Has been downloaded over 126 million times from NuGet.MIT LicenseTesting FrameworkOfficial
3MSTest⭐ 906The official testing framework for .NET developed by Microsoft. Deep integration with Visual Studio allows immediate test creation without additional tools or extensions. Continuously evolving as part of the Microsoft Testing Platform.As of 2025, Microsoft Testing Platform support has been integrated into the 'dotnet test' command in .NET 10 Preview 3. Enhanced Visual Studio integration and advancing cross-platform support. Stable adoption in enterprise environments.MIT LicenseTesting FrameworkOfficial