MergedTestRunner.targets

<!--
  This file is intended to be included from all of the merged test runner projects.

  Sets IsMergedTestRunnerAssembly.
  Expects MergedWrapperProjectReference. Will set Aliases metadata and add into
    ProjectReference.
-->

<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
  <PropertyGroup>
    <IsMergedTestRunnerAssembly>true</IsMergedTestRunnerAssembly>
    <EmitCompilerGeneratedFiles Condition="'$(EmitCompilerGeneratedFiles)' == ''">true</EmitCompilerGeneratedFiles>
  </PropertyGroup>


  <ItemGroup>
    <!--
      Derive a unique identifier from the project's relative directory + filename.
      This ensures that projects with the same filename in different directories
      (e.g., COOL/finally.csproj vs simple/finally.csproj) get unique aliases,
      preventing alias collisions in the merged runner.

      Regex.Replace("%(RelativeDir)%(Filename)", "[^a-zA-Z0-9]", "_")
    -->
    <MergedWrapperProjectReference Update="**"
        Aliases="$([System.String]::Concat(&quot;_&quot;,$([System.Text.RegularExpressions.Regex]::Replace(&quot;%(RelativeDir)%(Filename)&quot;, &quot;[^a-zA-Z0-9]&quot;, &quot;_&quot;))))" />

    <!--
      If the merged test runner was specified to be built as Standalone, don't force the referenced projects to be built that way as well.
      If we're building all tests as standalone, then don't reference the other test projects from the merged wrapper. We'll only build the tests in the wrapper itself
      into it.
    -->
    <ProjectReference Include="@(MergedWrapperProjectReference)" UndefineProperties="BuildAsStandalone" Condition="'$(BuildAllTestsAsStandalone)' != 'true'" />
  </ItemGroup>
</Project>