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This recipe is useful when you have a large suite of unit tests and you don't want to be burdened with maintaining Test List (*.vsmdi) files.

This works out of the box on a TFS 2008 Team Build.

However, there is a problem if you want to run the script as a Desktop Build ( The bug in Team Build 2008


Add to TFSBuild.proj


    <!-- TFS Build 2008.
         This snippet finds assemblies matching the pattern *.Tests.dll in the
         output directory of the build.

         It then creates the TestContainer and LocalTestContainer items so that
         the <TestToolsTask> is able to run MSTest.exe.

<Target Name="BeforeTestConfiguration">

    <Message Text="Using unit tests from: $(BinariesRoot)\$(Configuration)\*.Tests.dll"
             Condition=" '$(IsDesktopBuild)'=='true' " />

    <CreateItem Include="$(BinariesRoot)\$(Configuration)\*.Tests.dll">
     <Output TaskParameter="Include" ItemName="LocalTestContainer"/>
     <Output TaskParameter="Include" ItemName="TestContainer"/>

    <Message Text="LocalTestContainer: @(LocalTestContainer)"
             Condition=" '$(IsDesktopBuild)'=='true' " />



  • Currently it matches all *.Tests.dll outputs in the \Binaries\Release\ folder. If your test assemblies are named differently, you will need to update this.
  • It might be useful to store this workaround in a TestContainerWorkaround.targets file, then add an <Import Project="TestContainerWorkaround.targets" />.

Last edited Nov 2, 2010 at 6:59 PM by wbarthol, version 2


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