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What distinguishes xUnit, nUnit,and mbUnit from each other? So far from what I can see, out-of-the-box mbUnit offers parallel test, xUnit offers an easy way to mix, reuse, and match multipe fixtures for any number of testing classes.

So far I can't find anything that makes nUnit special.

So can someone help distinguish the these testing frameworks from each other?

LLL
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  • See: http://stackoverflow.com/questions/261139/nunit-vs-mbunit-vs-mstest-vs-xunit-net And http://stackoverflow.com/questions/2262090/which-unit-testing-framework – Frames Catherine White Feb 11 '12 at 02:44

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What I ended up discovering is that out of the box, NUnit offered more options and plug-ins, such as PNunit for parallel testing and another plug-in for performance testing where xunit/mbunit lacked all or some of these features.

I also discovered NUnit has extension points, which follows the open-close principle and allows for extending the behavior of NUnit without modifying the source code, and thus it is upgradeable for future NUnit releases. Where as with XUnit, I would have to modify the source and thus it would make it a major pain point to upgrade my version if XUnit released something cool later on.

Thus I came to the decision that NUnit is the superior automation framework test runner. I didn't consider NUnit since it is not open source.

LLL
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    It sounds like you went with NUnit, but then in your last sentence you say you didn't consider it. Did you instead mean to say that you didn't consider **MSTest** since it isn't open source? – Christopher Broome Sep 06 '12 at 23:47
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NUnit works out of the box with R# :)

MbUnit offers more options for data driven testing than the others, and is very extensible.

XUnit has some strong opinions about how unit testing should be done (see http://xunit.codeplex.com/wikipage?title=WhyDidWeBuildXunit).

And they're all better than MsTest!

grahamrhay
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