Question 1

How to install and run xUnit.net tests from the command line?

Accepted Answer

Use the .NET SDK: install the xUnit NuGet package, then run 'dotnet test' in your project directory. This integrates with CI/CD pipelines and works across platforms.

Question 2

xUnit vs NUnit: which is better for .NET Core?

Accepted Answer

xUnit.net is more modern and extensible, with better alignment with newer .NET versions and tooling, while NUnit offers more built-in features and a larger community for legacy projects. Choose based on your need for modernity versus out-of-the-box capabilities.

Question 3

Does xUnit.net support asynchronous testing?

Accepted Answer

Yes, it natively supports async tests by allowing [Fact] or [Theory] attributes on methods that return Task or Task<T>. This makes testing async code straightforward without extra configuration.

Question 4

How to migrate from xUnit v2 to v3?

Accepted Answer

Follow the official migration guide on xUnit.net's website, which details breaking changes like updated APIs and removed features. It often requires updating test code and NuGet packages.

Question 5

Can I use xUnit.net with .NET Framework 4.6?

Accepted Answer

No, xUnit.net v3 requires .NET Framework 4.7.2 or later, so older versions are unsupported. For .NET Framework 4.6, you'd need to stick with xUnit.net v2, which has limited updates.

Question 6

What IDEs work best with xUnit.net?

Accepted Answer

Visual Studio, JetBrains Rider, and VS Code have excellent integration through extensions and the .NET SDK. Rider and Visual Studio offer built-in test runners, while VS Code relies on the C# extension for test discovery.

xUnit.net

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