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A very extensive set of extension methods that allow you to more naturally specify the expected outcome of a TDD or BDD-style unit tests. Targets .NET Framework 4.7, as well as .NET Core 2.1, .NET Core 3.0, .NET 6, .NET Standard 2.0 and 2.1.

Intention-Revealing Unit Tests

Write assertions that keep you and your fellow developers out of the debugger hell and clearly communicate what they are trying to accomplish.

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Comprehensive Documentation

Extensive documentation to help you understand the power of the assertions and learn finding the sweet spot of well-written unit tests.

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Many documented extension points and overridable behavior that provides enough flexibility for even the most critical developer.

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Feature Complete

Targets .NET 4.7, .NET Core 2.1, .Net Core 3.0, .NET 6, .NET Standard 2.0 and 2.1. Supports MSTest2, xUnit2, NUnit3, MSpec and NSpec3.

Great Support

Use StackOverflow for general questions, go on Slack to contact the team directly, or visit GitHub for issues & feature requests.

Passionate Team

Originally authored by Dennis Doomen, but Jonas Nyrup has joined since then. Notable contributions by Michaël Hompus and Gunnar Liljas.

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This project is supported by Hassan Rezk Habib and others, with special thanks to our Most Awesome sponsors
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Community Extensions

Broad community support with extensions for Json .NET, Ninject, Autofac, ASP.NET MVC, ASP.NET Core MVC and even Roslyn analyzers through FluentAssertions.Analyzers

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