Automating code coverage (Run using "build /t:CodeCoverage")

Author: bricelam

.gitignore

@@ -21,4 +21,6 @@ EntityFramework.SqlServerCompact.xml
 *.REMOTE.*
 *.LOCAL.*
 StyleCop.Cache
-*.csproj.DotSettings
+*.csproj.DotSettings
+/coverage
+/OpenCoverResults.xml

.nuget/packages.config

@@ -1,4 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Microsoft.Web.SkipStrongNames" version="1.0.0" />
+  <package id="OpenCover" version="4.5.1314" />
+  <package id="ReportGenerator" version="1.7.3.0" />
+  <package id="xunit.runners" version="1.9.1" />
 </packages>

EF.msbuild

@@ -119,4 +119,9 @@
                  Namespaces="<Namespace Prefix='x' Uri='http://schemas.microsoft.com/packaging/2010/07/nuspec.xsd' />" />
     </Target>
 
+    <Target Name="CodeCoverage" DependsOnTargets="RestoreSolutionPackages;Build">
+        <MSBuild Projects="tools\EF.opencover.targets"
+                 Properties="Configuration=$(Configuration);$(BuildProperties)" />
+    </Target>
+
 </Project>

tools/EF.opencover.targets

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="OpenCover" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <OpenCoverMsBuild Include="..\packages\**\OpenCover.MSBuild.dll" />
+    <OpenCoverConsole Include="..\packages\**\OpenCover.Console.exe" />
+    <ReportGeneratorMsBuild Include="..\packages\**\ReportGenerator.exe" />
+    <XunitConsoleRunner Include="..\packages\**\xunit.console.clr4.x86.exe"/>
+  </ItemGroup>
+  <UsingTask TaskName="OpenCover.MSBuild.OpenCover" AssemblyFile="@(OpenCoverMsBuild)" />
+  <UsingTask TaskName="ReportGenerator" AssemblyFile="@(ReportGeneratorMsBuild)" />  
+  <Target Name="OpenCover">
+    <Message Text="Running tests with code coverage..." Importance="High" />
+    <OpenCover ToolPath="@(OpenCoverConsole->'%(RelativeDir)')"
+               ToolExe="@(OpenCoverConsole->'%(Filename)%(Extension)')"
+               Target="@(XunitConsoleRunner)"
+               TargetArgs="EF.opencover.xunit /silent"
+               MergeByHash="True"
+               Filter="+[EntityFramework]*"
+               Output="..\OpenCoverResults.xml" />
+    <Message Text="Generating code coverage report..." Importance="High" />
+    <ReportGenerator ReportFiles="..\OpenCoverResults.xml"
+                     TargetDirectory="..\coverage"
+                     ReportTypes="Html;XmlSummary" />
+  </Target>
+</Project>

tools/EF.opencover.xunit

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<xunit>
+  <assemblies>
+    <!-- NOTE: OpenCover requires shadow-copy to be false -->
+    <assembly filename="..\test\EntityFramework\UnitTests\bin\Release\EntityFramework.UnitTests.dll" shadow-copy="false" />
+    <assembly filename="..\test\EntityFramework\FunctionalTests\bin\Release\EntityFramework.FunctionalTests.dll" shadow-copy="false" />
+    <assembly filename="..\test\EntityFramework\FunctionalTests.Transitional\bin\Release\EntityFramework.FunctionalTests.Transitional.dll" shadow-copy="false" />
+    <assembly filename="..\test\EntityFramework\VBTests\bin\Release\EntityFramework.VBTests.dll" shadow-copy="false" />
+  </assemblies>
+</xunit>