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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 4.5 and 4.7, as well as .NET Core 2.0, .NET Core 3.0, .NET Standard 1.3, 1.6 and 2.0.

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 4.5, .NET 4.7, .NET Core 2.0, .NET Standard 1.3, 1.6 and 2.0. Compatible .NET Core 3.0 Supports MSTest, xUnit, NUnit, Gallio, MBUnit, MSpec and NSpec. Parses the C# code to identify the subject-under-test. Allows asserting the equivalency of (collections of ) deep object graphs. Fully thread-safe.

Great Support

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to contact the team directly

for issues & feature requests

Active Development

Dennis Doomen
Jonas Nyrup

Notable Contributors
Adam Voss
Artur Krajewski

Supported By

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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