Assembly Line

MSTest

This repository holds the source code of Microsoft.Testing.Platform (MTP), a lightweight alternative to VSTest, as well as MSTest adapter and framework.

MSTest is an open-source test frameworks project on GitHub under the MIT license (permissive), with 1.1k stars. It is built with Runtime. Its last push was today.

Stars
1.1k
License
MIT
Activity
Active
Latest release
v4.5.2

Code on GitHub

Judgement

What it is
Developer tool
What it does
Microsoft's MSTest framework for writing .NET tests, plus Microsoft.Testing.Platform, a lighter runner that replaces VSTest.
Adopt it when
You write .NET tests and want the Microsoft-maintained framework with first-class Visual Studio support.
Watch out
Moving from VSTest to Microsoft.Testing.Platform changes how tests are run in CI, so plan the switch.
Ready for
Production-ready
Runs as
Library and command line
Built with
C# and .NET
How established
Established: started 10 years ago, latest release v4.5.2.
What the license allows
You can build it into a product you sell, as long as you keep its copyright notice.

Judged on 2026-11-06 from the project's README and GitHub data. The license and age lines are worked out directly.

Built from

Runtime

Follow it down: MSTest → Runtime → LLVM project → runs on a microchip

How compilers were built, back to punched paper tape

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Stars, license and activity come from GitHub and refresh on a rolling hourly schedule. The project's own description is quoted as written.