Merge remote-tracking branch 'DotNetAnalyzers/stabilization'

Author: sharwell

StyleCop.Analyzers/StyleCop.Analyzers.Test/Verifiers/DiagnosticVerifier.cs

@@ -94,7 +94,7 @@ protected Task VerifyCSharpDiagnosticAsync(string source, DiagnosticResult expec
         /// <returns>A <see cref="Task"/> representing the asynchronous operation.</returns>
         protected Task VerifyCSharpDiagnosticAsync(string source, DiagnosticResult[] expected, CancellationToken cancellationToken, string filename = null)
         {
-            return this.VerifyDiagnosticsAsync(new[] { source }, LanguageNames.CSharp, this.GetCSharpDiagnosticAnalyzers().ToImmutableArray(), expected, cancellationToken, new[] { filename });
+            return this.VerifyDiagnosticsAsync(new[] { source }, LanguageNames.CSharp, this.GetCSharpDiagnosticAnalyzers().ToImmutableArray(), expected, cancellationToken, filename != null ? new[] { filename } : null);
         }
 
         /// <summary>

StyleCopAnalyzers.sln

@@ -27,6 +27,7 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "build", "build", "{A0840AD0
 		build\build.ps1 = build\build.ps1
 		build\check-key.ps1 = build\check-key.ps1
 		build\keys.ps1 = build\keys.ps1
+		build\opencover-report.ps1 = build\opencover-report.ps1
 		build\push.ps1 = build\push.ps1
 		build\version.ps1 = build\version.ps1
 	EndProjectSection

build/build.ps1

@@ -47,6 +47,10 @@ If (-not (Test-Path $nuget)) {
 
 # build the main project
 $msbuild = "${env:ProgramFiles(x86)}\MSBuild\$VisualStudioVersion\Bin\MSBuild.exe"
+If (-not (Test-Path $msbuild)) {
+	$host.UI.WriteErrorLine("Couldn't find MSBuild.exe")
+	exit 1
+}
 
 # Attempt to restore packages up to 3 times, to improve resiliency to connection timeouts and access denied errors.
 $maxAttempts = 3

build/opencover-report.ps1

@@ -0,0 +1,54 @@
+param (
+	[switch]$Debug
+)
+
+# Run a build to ensure everything is up-to-date
+If ($Debug) {
+	.\build.ps1 -Debug -Incremental
+} Else {
+	.\build.ps1 -Incremental
+}
+
+If (-not $?) {
+	$host.UI.WriteErrorLine('Build failed; coverage analysis aborted.')
+	Exit $LASTEXITCODE
+}
+
+If ($Debug) {
+	$Configuration = 'Debug'
+} Else {
+	$Configuration = 'Release'
+}
+
+$packageConfig = [xml](Get-Content ..\.nuget\packages.config)
+$opencover_version = $packageConfig.SelectSingleNode('/packages/package[@id="OpenCover"]').version
+$reportgenerator_version = $packageConfig.SelectSingleNode('/packages/package[@id="ReportGenerator"]').version
+$xunitrunner_version = $packageConfig.SelectSingleNode('/packages/package[@id="xunit.runner.console"]').version
+
+$packages_folder = '..\packages'
+$opencover_console = "$packages_folder\OpenCover.$opencover_version\tools\OpenCover.Console.exe"
+$xunit_runner_console = "$packages_folder\xunit.runner.console.$xunitrunner_version\tools\xunit.console.x86.exe"
+$report_generator = "$packages_folder\ReportGenerator.$reportgenerator_version\tools\ReportGenerator.exe"
+$report_folder = '.\OpenCover.Reports'
+$target_dll = "..\StyleCop.Analyzers\StyleCop.Analyzers.Test\bin\$Configuration\StyleCop.Analyzers.Test.dll"
+
+If (Test-Path $report_folder) {
+	Remove-Item -Recurse -Force $report_folder
+}
+
+mkdir $report_folder | Out-Null
+
+&$opencover_console `
+	-register:user `
+	-threshold:1 `
+	-returntargetcode `
+	-hideskipped:All `
+	-filter:"+[StyleCop*]*" `
+	-excludebyattribute:*.ExcludeFromCodeCoverage* `
+	-output:"$report_folder\OpenCover.StyleCopAnalyzers.xml" `
+	-target:"$xunit_runner_console" `
+	-targetargs:"$target_dll -noshadow"
+
+&$report_generator -targetdir:$report_folder -reports:$report_folder\OpenCover.*.xml
+
+$host.UI.WriteLine("Open $report_folder\index.htm to see code coverage results.")