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TFS 2012 Build: Configure NUnit to run your unit tests

With the release of Visual Studio and Team Foundation Server 2012, it becomes a lot easier to use other test frameworks than MS Test. Now it becomes possible to run NUnit, XUnit,… tests directly from Visual Studio using the same tooling and interface.

But how do you configure your build server to run these tests?
  1. Download the NUnit Test Adapter from the Visual Studio Gallery(http://visualstudiogallery.msdn.microsoft.com/6ab922d0-21c0-4f06-ab5f-4ecd1fe7175d).
  2. Install the adapter vsix on all your build servers.

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  3. Add the nunit.core.dll, nunit.core.interfaces.dll, nunit.util.dll and NUnit.VisualStudio.TestAdapter.dll to a folder in source control. Set this folder as the Version control path to custom assemblies. This can be managed by clicking “Manage Build Controllers” on the Build menu. Click on properties and set the correct path in version control.

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  4. Using VS 2012, edit your build definition, go to “Process”, click on “Test Source”, and then click on the ellipses to bring up the “Add/Edit Test Run” dialog box. In the “Test runner:” drop down, select “Visual Studio Test Runner”. This will use the new multi-framework compatible test runner that works with NUnit, MSTest, xUnit, and other testing frameworks.

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  5. That’s it!
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