No. 13 of 32 ·Unit Testing Frameworks

MSTest

Windows · Mac · Linux

Freedom report

Two barsScore 5.3

Free tierA free tier is on its own pricing page
Open codeNo open-source code on record
Runs widely3 of 6 device platforms
DocumentedThinly documented

MSTest is ranked #13 of 32 in unit testing frameworks on Freedom251. It runs on Linux, macOS, Windows. There is a free plan.

MSTest plans and pricing

All plans

MSTest Free Open-source .NET test framework · distributed as NuGet packages nuget.org · 4 Oct 2026

Compared on unit testing frameworks

Supported languages: C#, F#, Visual Basic
Parameterized cases: Yes
Parallel execution: Yes

Best MSTest alternatives

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Two bars Kotest Free tier No. 1Free6.8 Two bars NUnit Free tier No. 2Free6.7 Two bars PHPUnit Free tier No. 3Free6.6 Two bars Vitest Free tier No. 4Free6.6 Two bars GoogleTest Free tier No. 5Free6.5 One bar Mocha Free tier No. 6Free6.4

The record

Purpose: MSTest is a Microsoft-supported, open-source, cross-platform test framework for writing and running tests for .NET applications.
Test integrations: It integrates with Visual Studio and Visual Studio Code Test Explorers, the .NET CLI, and CI pipelines.
IDE and CI options: Tests can be run from Visual Studio, Visual Studio Code, JetBrains Rider, the command line, GitHub Actions, or Azure DevOps.
Data-driven tests: MSTest supports multiple test inputs through DataRow, CombinatorialData, DynamicData, and external data sources.
Test controls: Features include setup and cleanup lifecycle hooks, parallel execution, test categorization and filtering, analyzers, and assertion methods.
Execution engines: MSTest supports VSTest and Microsoft.Testing.Platform, with Microsoft.Testing.Platform recommended for new projects.
Package setup: The MSTest NuGet meta-package simplifies referencing the recommended MSTest packages.
Supported targets: Documented targets include .NET 8 and later, .NET Framework 4.6.2 and later, UWP, WinUI 3, Native AOT, and .NET 10 browser and WASI WebAssembly hosts, with feature differences by target.
UI testing limit: Windows desktop UI automation is documented for .NET 8+ Windows targets, while UWP and WinUI 3 UI tests require UI-thread access.
AOT limit: Native AOT is supported with a limited feature set because of reduced reflection capabilities.
WebAssembly limit: On single-threaded WebAssembly runtimes, MSTest cannot forcibly interrupt timed-out tests, and debugger wait is unsupported.
Support policy: Microsoft supports only the latest released MSTest version; preview releases are offered for public testing but are not supported.
Security and updates: The MSTest team encourages users to update to the latest version for improvements and security patches.
Price from: Free

Where it ranks on Freedom251

Best Unit Testing Frameworks in 2026#13 of 32

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Sources

learn.microsoft.com/en-us/dotnet/core/testing/unit-testing-· checked 4 Oct 2026
learn.microsoft.com/en-us/dotnet/core/testing/unit-testing-· checked 4 Oct 2026
nuget.org/packages/MSTest· checked 4 Oct 2026