Add package testing for .NET 8, 9, and 10 on Windows

.github/workflows/build.yaml

@@ -76,4 +76,40 @@ jobs:
         path: |
           pack/*.nupkg
           pack/_manifest/spdx_2.2/*.*
+
+  test:
+    name: Test Package
+    needs: build
+    runs-on: windows-latest
+    strategy:
+      matrix:
+        dotnet-version: ['8.x', '9.x', '10.x']
+    steps:
+
+    - name: Setup dotnet
+      uses: actions/setup-dotnet@v5
+      with:
+        dotnet-version: ${{ matrix.dotnet-version }}
+
+    - name: Download Artifacts
+      uses: actions/download-artifact@v6
+      with:
+        name: build-artifacts
+        path: artifacts
+
+    - name: Install Package
+      shell: pwsh
+      run: |
+        $nupkg = Get-ChildItem -Path artifacts -Filter "*.nupkg" | Select-Object -First 1
+        dotnet tool install --global --add-source artifacts DemaConsulting.WeasyprintTool
+
+    - name: Test Weasyprint Tool
+      shell: pwsh
+      run: |
+        weasyprint --help
+        if ($LASTEXITCODE -ne 0) {
+          Write-Error "Weasyprint tool failed with exit code $LASTEXITCODE"
+          exit 1
+        }
+        Write-Host "Weasyprint tool executed successfully"
 

AGENTS.md

@@ -65,6 +65,7 @@ Before completing any task, always run these quality checks:
 3. **Build Verification**: Check that workflows pass
    - Quality Checks job should pass
    - Build job should pass
+   - Test job should pass (validates package on Windows with .NET 8, 9, and 10)
 
 ### Testing Changes
 
@@ -88,6 +89,7 @@ The project uses GitHub Actions workflows:
    - Downloads Weasyprint binaries
    - Generates SBOM (Software Bill of Materials)
    - Creates NuGet package
+   - Tests the package on Windows with .NET 8, 9, and 10
 3. **release.yaml** - Handles releases
    - Creates releases with proper versioning
 

CONTRIBUTING.md

@@ -86,7 +86,11 @@ Before submitting a pull request:
 3. **Build**: Ensure the project builds successfully
 4. **Testing**: Test your changes thoroughly
 
-The CI pipeline will automatically run these checks on your pull request.
+The CI pipeline will automatically run these checks on your pull request, including:
+
+- Quality checks (spelling and markdown linting)
+- Build verification
+- Package testing on Windows with .NET 8, 9, and 10
 
 ### Commit Messages
 
@@ -102,6 +106,7 @@ WeasyprintTool uses GitHub Actions for building. The build process:
 1. Downloads the DotnetToolWrapper
 2. Downloads Weasyprint binaries
 3. Creates the NuGet package
+4. Tests the package on Windows with .NET 8, 9, and 10
 
 To test the build locally, you can examine the workflow files in `.github/workflows/`.