VS2010ExpressSpecFlow.xml

<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">

  <Import Project="C:\Program Files\MSBuild\ExtensionPack\4.0\MSBuild.ExtensionPack.tasks"/>
  <Import Project="$(MSBuildExtensionsPath)\MSBuildCommunityTasks\MSBuild.Community.Tasks.Targets" />
  
  <PropertyGroup>
    <BuildDependsOn>
      GetProjectFilesFromProjectFilesProperty;
      GetProjectFilesFromSolutionProperty;
      MakeCopiesOfProjectFiles;
      SpecFlow;
      AddSpecFlowCSFilesToProject;
      BuildProjects;
      NUnit;
      DeleteCopiedFiles;
    </BuildDependsOn>
  </PropertyGroup>
  
	<Target Name="Build" DependsOnTargets="$(BuildDependsOn)">
	</Target>

  <!-- The ProjectFiles property is set and there are no items, ie from the Solution building -->
  <Target Name="GetProjectFilesFromProjectFilesProperty" Condition="'$(ProjectFiles)'!='' And '@(ProjectFiles)'==''">
    <Message Text="GetProjectFilesFromProjectFilesProperty" Importance="high" />
    <ItemGroup>
      <ProjectFiles Include="$(ProjectFiles)" />
    </ItemGroup>
  </Target>

  <!-- When there is a solution file, get the projects contained in the solution -->
  <Target Name="GetProjectFilesFromSolutionProperty" Condition="'$(Solution)'!=''">
    <Message Text="GetProjectFilesFromSolutionProperty" Importance="high" />
    <GetSolutionProjects Solution="$(Solution)">
      <Output ItemName="ProjectFiles" TaskParameter="Output"/>
    </GetSolutionProjects>
  </Target>
  
  <Target Name="MakeCopiesOfProjectFiles" Condition="'@(ProjectFiles)'!=''">
    <Copy
      SourceFiles="@(ProjectFiles)"
      DestinationFiles="@(ProjectFiles->'%(fullpath).copy')"
      SkipUnchangedFiles="false"
      ContinueOnError="false">
        <Output ItemName="CopiedProjects" TaskParameter="CopiedFiles" />
    </Copy>
  </Target>
  
  <!-- Run the CopiedProjects files through SpecFlow -->
  <Target Name="SpecFlow" Condition="'@(CopiedProjects)'!=''"  Outputs="%(CopiedProjects.fullpath)" >
		<Exec Command='SpecFlow generateall "%(CopiedProjects.fullpath)"' />
	</Target>

  <!-- Build the CopiedProjects -->
  <Target Name="BuildProjects" Condition="'@(CopiedProjects)'!=''" >
    <MSBuild Projects="@(CopiedProjects)" Properties="Configuration=Debug">
      <Output ItemName="OutputDLLs" TaskParameter="TargetOutputs" />
    </MSBuild>
    <Message Text="@(OutputDLLs)" Importance="high" />
  </Target>

  <Target Name="AddSpecFlowCSFilesToProject" Outputs="%(CopiedProjects.fullpath)" Condition="'@(CopiedProjects)'!=''" >
    <XmlRead Prefix="n"
      Namespace="http://schemas.microsoft.com/developer/msbuild/2003"
      XPath="/n:Project/n:ItemGroup/n:Content/@Include"
      XmlFileName="%(CopiedProjects.fullpath)">
        <Output TaskParameter="Value" PropertyName="BuildTargets" />
    </XmlRead>

    <TextString TaskAction="Split" String1="$(BuildTargets)" String2=";">
      <Output ItemName="out" TaskParameter="Strings"/>
    </TextString>

    <RegexMatch 
      Input="%(out.Identity)" 
      Expression=".*\.feature">
        <Output ItemName ="Features" TaskParameter="Output" />
    </RegexMatch>

    <!-- Add project filepath to each Feature -->
    <CreateItem
      Include="@(Features)"
      AdditionalMetadata="FName=%(CopiedProjects.fullpath)">
        <Output TaskParameter="Include" ItemName="MySourceItemsWithMetadata"/>
    </CreateItem>
    
    <FileUpdate
     Files='%(MySourceItemsWithMetadata.FName)'
     Regex='(?&#60;Space&#62;\s*)(?&#60;Compile&#62;&#60;\s*Compile\s+Include=".+"\s*/\s*&#62;\s*)(?&#60;ItemGroup&#62;\s*&#60;/ItemGroup&#62;)'
     ReplacementText='${Compile}&#60;Compile Include="%(MySourceItemsWithMetadata.Identity).cs" /&#62;${ItemGroup}' />
    
  </Target>
		
	<Target Name="NUnit" Condition="'@(OutputDLLs)'!=''" >
    <TextString TaskAction="Split" String1="@(OutputDLLs)" String2=";">
      <Output ItemName="out2" TaskParameter="Strings"/>
    </TextString>
    
    <Exec Command='NUnit "%(out2.Identity)" /run' />
	</Target>

  <!-- Cleanup, Remove the CopiedProjects -->
  <Target Name='DeleteCopiedFiles' Condition="'@(CopiedProjects)'!=''">
    <Delete Files="@(CopiedProjects)" />
  </Target>
  
</Project>