Xceed Fluent Assertion

Readable fluent assertions for .NET unit tests

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About this software

Fluent Assertions is a .NET assertion library that provides expressive, readable extension methods for unit tests. It helps developers write intention-revealing assertions and supports custom extension points for matchers and formatters. Xceed offers the library as part of its developer tools, with compatibility across multiple .NET platforms and integration with major testing frameworks. Licensing and support options differ between community and commercial use; consult Xceed documentation for details.

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Xceed Fluent Assertion

Xceed Fluent Assertion
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€170.33
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Benefits

  • Readable fluent syntax: Write assertions that read like natural language.
  • Wide .NET platform support: Compatible with .NET Framework, .NET Core, and .NET Standard versions.
  • Testing framework compatibility: Integrates with MSTest, xUnit, NUnit, MSpec, and TUnit.
  • Extensible assertion APIs: Provides extension points for custom matchers and formatters.
  • Commercial and community licensing: Offered under Xceed commercial license with community non-commercial use options.

Available languages

  • English

Support information

  • Documentation: Comprehensive documentation is available on the Xceed Fluent Assertions product pages.
  • Community support: Community channels such as GitHub and StackOverflow are recommended for general questions.
  • Priority support available: Priority support and enterprise assistance are offered to commercial license holders.
  • Release notes and changelogs: Release notes and changelogs are published on the Xceed site for each release.
  • Issue tracking: Bugs and feature requests can be filed through the project's issue tracker as noted in docs.

Frequently asked questions

What is Xceed Fluent Assertions?
A .NET library offering fluent, readable assertion extension methods for unit tests, maintained and offered by Xceed.
Which .NET versions does it support?
Xceed documents support for .NET Framework 4.7, .NET Core 2.1 and 3.0, .NET 6, and .NET Standard 2.0 and 2.1.
Which test frameworks are supported?
The product integrates with major testing frameworks such as MSTest, xUnit (v2/v3), NUnit (v3/v4), MSpec, and TUnit.
How is Fluent Assertions licensed under Xceed?
Xceed offers Fluent Assertions under a commercial Xceed license for v8 and later, while earlier v7 remains available under Apache 2.0 for community use.
How do I install Fluent Assertions in a project?
Install via NuGet (for example dotnet add package FluentAssertions) or use the NuGet Package Manager as described in the documentation.