Tools & Frameworks
Moq is the most popular mocking library for .NET. It lets you replace real dependencies (databases, email services, HTTP clients) with controlled fakes in unit tests. This guide covers Setup, Verify, argument matchers, callbacks, async mocks, and common patterns for writing isolated C# tests. Key Takeaways Mock<T>
Tools & Frameworks
.NET developers choose between three major testing frameworks: MSTest (Microsoft's built-in framework), xUnit.net (the modern default, used by the .NET team itself), and NUnit (the most feature-rich, JUnit-inspired option). All three are production-ready. The right choice depends on your team's background,
Tools & Frameworks
NUnit is one of the oldest and most feature-rich .NET testing frameworks. It inspired xUnit.net and shares ideas with JUnit. This guide covers setup, writing tests, parameterized tests with TestCase, constraint-based assertions, setup and teardown, and integrating NUnit into CI pipelines. Key Takeaways NUnit uses [Test] and
Tools & Frameworks
xUnit.net is the most modern .NET testing framework, favored by Microsoft's own teams and the open-source community. It's the default choice for new .NET projects. This guide covers installation, writing Facts and Theories, using assertions, mocking dependencies, async testing, and running tests in CI