add coverage report to MR

.github/workflows/pr.yml

@@ -17,11 +17,29 @@ jobs:
           dotnet-version: '9.0.x'
 
       - name: Restore packages
-        run: nuget restore
+        run: dotnet restore
+
+      - name: Restore tools
+        run: dotnet tool restore
 
       - name: Build
         run: dotnet build -c Release
 
+      - name: Capture Coverage
+        shell: pwsh
+        run: |
+          dotnet test --collect:"XPlat Code Coverage"
+          $coverageFiles = Get-ChildItem -Path . -Recurse -Filter coverage.cobertura.xml
+          $coveragePaths = $coverageFiles | ForEach-Object { $_.FullName }
+          $reportsArg = '"' + ($coveragePaths -join ";") + '"'
+          dotnet tool run reportgenerator  -reports:$reportsArg "-targetdir:coverage-report" "-filefilters:-*.g.cs" "-reporttypes:$reportType"
+
+      - name: Upload Coverage report
+        uses: actions/upload-artifact@v4
+        with:
+          name: coverage-report
+          path: coverage-report
+
       - name: Mutation testing
         run: |
           dotnet tool restore

AtemSharp.Tests/AtemSharp.Tests.csproj

@@ -9,7 +9,10 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="coverlet.collector" Version="6.0.2"/>
+        <PackageReference Include="coverlet.collector" Version="6.0.4">
+          <PrivateAssets>all</PrivateAssets>
+          <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+        </PackageReference>
         <PackageReference Include="JetBrains.Annotations" Version="2025.2.2" />
         <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="9.0.0" />
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0"/>

Run-Coverage.ps1

@@ -0,0 +1,37 @@
+# Remove old reports
+Get-ChildItem -Path . -Recurse -Filter coverage.cobertura.xml | Remove-Item
+
+# Stop the script immediately on any error
+$ErrorActionPreference = "Stop"
+
+# Run tests with coverage collection
+dotnet test --collect:"XPlat Code Coverage"
+
+# Find the latest coverage.cobertura.xml file under TestResults
+$coverageFiles = Get-ChildItem -Path . -Recurse -Filter coverage.cobertura.xml
+
+if ($coverageFiles.Count -eq 0) {
+    Write-Error "No coverage report files found!"
+    exit 1
+}
+
+# Collect full paths of all coverage files
+$coveragePaths = $coverageFiles | ForEach-Object { $_.FullName }
+
+# Join paths with semicolon (and quote the whole string for safety)
+$reportsArg = '"' + ($coveragePaths -join ";") + '"'
+
+# Build the report output path
+$targetDir = "coverage-report"
+$reportType = "Html"
+
+# Generate combined HTML report
+dotnet tool restore
+dotnet tool run reportgenerator `
+    -reports:$reportsArg `
+    "-targetdir:$targetDir" `
+    "-filefilters:-*.g.cs" `
+    "-reporttypes:$reportType"
+
+New-Item -Path "$targetDir" -Name ".gitignore" -ItemType "File" -Value "*" -Force
+Write-Host "Coverage report written to coverage-report\index.html"