Add dynamic test discovery to CI workflow

The test workflow now automatically discovers all Umbraco.Ai* projects and runs their tests in parallel. Projects without test projects are gracefully skipped with clear logging.

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

Author: mattbrailsford

.github/workflows/run-tests.yml

@@ -0,0 +1,131 @@
+name: Run Tests
+
+on:
+  push:
+    branches:
+      - main
+      - develop
+  pull_request:
+    branches:
+      - main
+      - develop
+
+jobs:
+  discover-projects:
+    runs-on: ubuntu-latest
+    name: Discover Projects
+    outputs:
+      projects: ${{ steps.discover.outputs.projects }}
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          sparse-checkout: |
+            Umbraco.Ai
+            Umbraco.Ai.*
+          sparse-checkout-cone-mode: false
+
+      - name: Discover projects
+        id: discover
+        run: |
+          # Dynamically discover all Umbraco.Ai* projects
+          # Umbraco.Ai/ -> "Core" (Umbraco.Ai)
+          # Umbraco.Ai.<name>/ -> "<Name>" (Umbraco.Ai.<Name>)
+
+          PROJECTS="[]"
+
+          for dir in Umbraco.Ai*/; do
+            if [ -d "$dir" ]; then
+              dir_name=$(basename "$dir")
+
+              # Find solution file in the directory
+              solution_file=$(find "$dir" -maxdepth 1 -name "*.sln" | head -n 1)
+
+              if [ -n "$solution_file" ]; then
+                solution_name=$(basename "$solution_file")
+
+                if [ "$dir_name" = "Umbraco.Ai" ]; then
+                  # Core project
+                  project_json=$(jq -n \
+                    --arg name "Core" \
+                    --arg path "$dir_name" \
+                    --arg solution "$solution_name" \
+                    '{name: $name, path: $path, solution: $solution}')
+                elif [[ "$dir_name" =~ ^Umbraco\.Ai\.(.+)$ ]]; then
+                  # Add-on or provider project
+                  project_name="${BASH_REMATCH[1]}"
+                  project_json=$(jq -n \
+                    --arg name "$project_name" \
+                    --arg path "$dir_name" \
+                    --arg solution "$solution_name" \
+                    '{name: $name, path: $path, solution: $solution}')
+                fi
+
+                PROJECTS=$(echo "$PROJECTS" | jq --argjson project "$project_json" '. + [$project]')
+              else
+                echo "Warning: No solution file found in $dir_name"
+              fi
+            fi
+          done
+
+          echo "Discovered projects:"
+          echo "$PROJECTS" | jq .
+
+          # Output as JSON for matrix
+          echo "projects=$(echo "$PROJECTS" | jq -c .)" >> $GITHUB_OUTPUT
+
+  test:
+    runs-on: ubuntu-latest
+    name: Test ${{ matrix.project.name }}
+    needs: discover-projects
+    if: needs.discover-projects.outputs.projects != '[]'
+
+    strategy:
+      fail-fast: false
+      matrix:
+        project: ${{ fromJson(needs.discover-projects.outputs.projects) }}
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Setup .NET
+        uses: actions/setup-dotnet@v4
+        with:
+          dotnet-version: '10.0.x'
+
+      - name: Restore dependencies
+        run: dotnet restore ${{ matrix.project.path }}/${{ matrix.project.solution }}
+
+      - name: Build
+        run: dotnet build ${{ matrix.project.path }}/${{ matrix.project.solution }} --configuration Release --no-restore
+
+      - name: Check for test projects
+        id: check-tests
+        run: |
+          # Check if solution contains any test projects
+          test_projects=$(dotnet sln ${{ matrix.project.path }}/${{ matrix.project.solution }} list | grep -i "test" || true)
+          if [ -z "$test_projects" ]; then
+            echo "has_tests=false" >> $GITHUB_OUTPUT
+            echo "⚠️ No test projects found in ${{ matrix.project.name }}"
+          else
+            echo "has_tests=true" >> $GITHUB_OUTPUT
+            echo "✓ Found test projects:"
+            echo "$test_projects"
+          fi
+
+      - name: Run tests
+        if: steps.check-tests.outputs.has_tests == 'true'
+        run: dotnet test ${{ matrix.project.path }}/${{ matrix.project.solution }} --configuration Release --no-build --verbosity normal --logger "trx;LogFileName=test-results.trx"
+
+      - name: Skip tests (none found)
+        if: steps.check-tests.outputs.has_tests == 'false'
+        run: echo "⚠️ Skipping tests - no test projects found in this solution"
+
+      - name: Upload test results
+        if: always() && steps.check-tests.outputs.has_tests == 'true'
+        uses: actions/upload-artifact@v4
+        with:
+          name: test-results-${{ matrix.project.name }}
+          path: '**/TestResults/*.trx'