NUnit vs Visual Studio 2010's MSTest?

 

I realise that there are many older questions addressing the general question of NUnit v MSTest for versions of Visual Studio up to 2008 (such as this one).

Microsoft have a history of getting things right in their 3rd version. For MSTest, that is VS2010.

Have they done so with MSTest? Would you use it in a new project in preference to NUnit?

My specific concerns:

  • speed
  • running tests within CruiseControl.NET (either commandline or MSBuild task)
  • code coverage reports from CC.NET
  • can you run MSTest tests in debug mode

    • (We use ReSharper, so test-runners are not an issue for us. We have used NUnit for the last few years. We do not have TFS.)

  • List item speed is same, but MsTest may be a bit slower because it creates folder for test run every time
  • MSBuid and CC.Net is big pain. You can't run MSTest on computer without VS on it (not 100 sure about 2010, but with 2008 it is so)
  • not sure, sorry
  • yes you can, from visual studio

    • My recommendation is following: if NUnit satisfies you - use it, forget about MSTest

    To correct some old information on the thread;

  • It IS possible to run 64 bit tests in 2010
  • From VS2008 forward it is not neccesary to have MSTEST create directories anc opy the binaries in, just disable deployment, in 2010 thats the default but you have to set it in 2008
  • 2010 MSTEST is faster but as its a generalised test framework that also runs load/web/UI tests there are compromises in the design that will lead to it being slower. Jamie Cansdale appears to have managed to get perf increases with the lastest releases of TestDriven.net's support for MSTEST

    • I've mainly used NUnit, some xUnit and some MSTest. They seem functionality equivalent, but I don't like the MSTest test runner. It runs in visual studio so it either crowds the screen or is on another monitor getting in the way everytime I tab to visual studio. (I run NUnit on another monitor, but it doesn't cover everything on that monitor everytime I focus visual studio). It takes too many clicks to find out what test failed and why.

    NUnit can run in the background until a test fails, at which point it shows you information about the breaking test. This seems like the ideal for keeping red/green/refactor going smoothly.

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