.NET Testing Frameworks

Most of my testing experience has been with MSTest, NUnit and Selenium and I feel this is an area I need to explore in more depth, so I thought I'd put the question to my colleagues and readers: What testing frameworks do you prefer and why? Below are a few lists of some .NET oriented frameworks with some notes on what sets each of them apart from others. I welcome comments confirming, challenging or correcting these notes as well as suggestions of others I may have missed.

Unit Testing

• MSUnit - Included with VS, Easy to implement
• NUnit - Most common third party framework
• xUnit - Extensible, lends itself to TDD/BDD
• MbUnit - RowTest for parameterized testing

Acceptance Testing (web)

• Selenium - Relies on CSS ID and class selectors
• WatiN - Works best with IE

Tools

• ReSharper - VS UI enhancements with xUnit integration
• TestDriven.net - VS testing add-in
• dotCover - Code coverage

Mocking

• NMock
• EasyMock.NET
• TypeMock Isolator - Paid, No strings for method names
• Rhino Mocks - Extremely popular
• Moq - Requires .NET 3.5
• NSubstitute - Cleaner with less code needed
• JustMock - Paid
• FakeItEasy - Simplifies fake vs. stub usage
• Microsoft Fakes - Included with VS2012, Previously Moles from MS Research, Includes features other frameworks only offer with paid versions

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