ci(e2e): unify Linux + Windows UI tests into one parallel workflow

.github/workflows/e2eUI.yml

@@ -0,0 +1,331 @@
+name: E2E UI Tests
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+# Split-pipeline E2E UI workflow.
+#
+#   lint              → tslint + checkstyle (ubuntu, OS-agnostic)
+#   discover-plans    → emits a matrix of test-plan basenames
+#
+#   build-linux       ─┐
+#   e2e-linux  (×plan) ┤
+#                      ├──→ analyze  → unified summary covering both OSes
+#   build-windows     ─┤
+#   e2e-windows (×plan)┘
+#
+# Per-OS pipelines run completely independently: Linux e2e jobs do NOT
+# wait for the Windows VSIX build (and vice versa), so a slow Windows
+# build cannot delay the start of Linux e2e plans. Each matrix cell
+# surfaces as its own PR check, so failures are visible without an
+# extra gate job.
+#
+# Inspired by vscode-java-pack/.github/workflows/e2e-autotest.yml.
+
+jobs:
+  # ── Lint + Checkstyle (OS-agnostic) ─────────────────────
+  lint:
+    name: Lint & Checkstyle
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up JDK 21
+        uses: actions/setup-java@v4
+        with:
+          java-version: '21'
+          distribution: 'temurin'
+
+      - name: Setup Node.js environment
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+
+      - name: Install Node.js modules
+        run: npm install
+
+      - name: Lint
+        run: npm run tslint
+
+      - name: Checkstyle
+        working-directory: ./jdtls.ext
+        run: ./mvnw checkstyle:check
+
+  # ── Discover test plans ─────────────────────────────────
+  discover-plans:
+    name: Discover E2E Plans
+    runs-on: ubuntu-latest
+    outputs:
+      matrix: ${{ steps.scan.outputs.matrix }}
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Scan test plans
+        id: scan
+        shell: bash
+        run: |
+          plans=$(ls test/e2e-plans/*.yaml | xargs -n1 basename | sed 's/\.yaml$//' | jq -R . | jq -sc .)
+          echo "matrix=$plans" >> "$GITHUB_OUTPUT"
+          echo "Found plans: $plans"
+
+  # ── Build VSIX (Linux) ──────────────────────────────────
+  build-linux:
+    name: Build VSIX (Linux)
+    runs-on: ubuntu-latest
+    timeout-minutes: 20
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up JDK 21
+        uses: actions/setup-java@v4
+        with:
+          java-version: '21'
+          distribution: 'temurin'
+
+      - name: Setup Node.js environment
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+
+      - name: Install Node.js modules
+        run: npm install
+
+      - name: Install VSCE
+        run: npm install -g @vscode/vsce
+
+      - name: Build OSGi bundle
+        run: npm run build-server
+
+      - name: Build VSIX file
+        run: vsce package -o vscode-java-dependency.vsix
+
+      - name: Upload VSIX artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: vsix-linux
+          path: vscode-java-dependency.vsix
+          retention-days: 1
+
+  # ── Build VSIX (Windows) ────────────────────────────────
+  build-windows:
+    name: Build VSIX (Windows)
+    runs-on: windows-latest
+    timeout-minutes: 20
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up JDK 21
+        uses: actions/setup-java@v4
+        with:
+          java-version: '21'
+          distribution: 'temurin'
+
+      - name: Setup Node.js environment
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+
+      - name: Install Node.js modules
+        run: npm install
+
+      - name: Install VSCE
+        run: npm install -g @vscode/vsce
+
+      - name: Build OSGi bundle
+        run: npm run build-server
+
+      - name: Build VSIX file
+        run: vsce package -o vscode-java-dependency.vsix
+
+      - name: Upload VSIX artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: vsix-windows
+          path: vscode-java-dependency.vsix
+          retention-days: 1
+
+  # ── E2E plans (Linux) — depends only on Linux build ─────
+  e2e-linux:
+    name: E2E Linux (${{ matrix.plan }})
+    needs: [ build-linux, discover-plans ]
+    runs-on: ubuntu-latest
+    timeout-minutes: 25
+    strategy:
+      fail-fast: false
+      matrix:
+        plan: ${{ fromJson(needs.discover-plans.outputs.matrix) }}
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Build Environment (Xvfb)
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y libxkbfile-dev pkg-config libsecret-1-dev libxss1 dbus xvfb libgtk-3-0 libgbm1
+          # Use 1920x1080 so the Java Projects view (rendered inside the Explorer
+          # sidebar) gets enough vertical space. With 1024x768 the sticky
+          # pane-header overlapped tree rows and intercepted click events.
+          sudo /usr/bin/Xvfb :99 -screen 0 1920x1080x24 > /dev/null 2>&1 &
+          sleep 3
+
+      - name: Set up JDK 21
+        uses: actions/setup-java@v4
+        with:
+          java-version: '21'
+          distribution: 'temurin'
+
+      - name: Setup Node.js environment
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+
+      - name: Setup autotest
+        run: npm install -g @vscjava/vscode-autotest
+
+      - name: Download VSIX artifact
+        uses: actions/download-artifact@v4
+        with:
+          name: vsix-linux
+          path: .
+
+      - name: E2E Test — ${{ matrix.plan }}
+        shell: bash
+        env:
+          AZURE_OPENAI_ENDPOINT: ${{ secrets.AZURE_OPENAI_ENDPOINT }}
+          AZURE_OPENAI_API_KEY: ${{ secrets.AZURE_OPENAI_API_KEY }}
+          AZURE_OPENAI_DEPLOYMENT: ${{ secrets.AZURE_OPENAI_DEPLOYMENT }}
+        run: |
+          DISPLAY=:99 autotest run "test/e2e-plans/${{ matrix.plan }}.yaml" \
+            --vsix "$(pwd)/vscode-java-dependency.vsix" \
+            --output "test-results/${{ matrix.plan }}"
+
+      - name: Upload test results
+        if: ${{ always() }}
+        uses: actions/upload-artifact@v4
+        with:
+          name: e2e-results-linux-${{ matrix.plan }}
+          path: test-results/
+          retention-days: 7
+
+  # ── E2E plans (Windows) — depends only on Windows build ─
+  e2e-windows:
+    name: E2E Windows (${{ matrix.plan }})
+    needs: [ build-windows, discover-plans ]
+    runs-on: windows-latest
+    timeout-minutes: 25
+    strategy:
+      fail-fast: false
+      matrix:
+        plan: ${{ fromJson(needs.discover-plans.outputs.matrix) }}
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up JDK 21
+        uses: actions/setup-java@v4
+        with:
+          java-version: '21'
+          distribution: 'temurin'
+
+      - name: Setup Node.js environment
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+
+      - name: Setup autotest
+        run: npm install -g @vscjava/vscode-autotest
+
+      - name: Download VSIX artifact
+        uses: actions/download-artifact@v4
+        with:
+          name: vsix-windows
+          path: .
+
+      - name: E2E Test — ${{ matrix.plan }}
+        shell: pwsh
+        env:
+          AZURE_OPENAI_ENDPOINT: ${{ secrets.AZURE_OPENAI_ENDPOINT }}
+          AZURE_OPENAI_API_KEY: ${{ secrets.AZURE_OPENAI_API_KEY }}
+          AZURE_OPENAI_DEPLOYMENT: ${{ secrets.AZURE_OPENAI_DEPLOYMENT }}
+        run: |
+          autotest run "test/e2e-plans/${{ matrix.plan }}.yaml" --vsix "$((Get-Location).Path)\vscode-java-dependency.vsix" --output "test-results\${{ matrix.plan }}"
+
+      - name: Upload test results
+        if: ${{ always() }}
+        uses: actions/upload-artifact@v4
+        with:
+          name: e2e-results-windows-${{ matrix.plan }}
+          path: test-results/
+          retention-days: 7
+
+  # ── Unified analysis across both OSes ───────────────────
+  analyze:
+    name: E2E Summary
+    needs: [ e2e-linux, e2e-windows ]
+    if: ${{ always() }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Setup Node.js environment
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+
+      - name: Setup autotest
+        run: npm install -g @vscjava/vscode-autotest
+
+      - name: Download all plan results
+        uses: actions/download-artifact@v4
+        with:
+          pattern: e2e-results-*
+          path: all-results
+          merge-multiple: false
+
+      - name: Organize results (prefix each plan by OS)
+        shell: bash
+        run: |
+          mkdir -p test-results
+          for dir in all-results/e2e-results-linux-*/; do
+            [ -d "$dir" ] || continue
+            find "$dir" -name "results.json" -exec dirname {} \; | while read d; do
+              name=$(basename "$d")
+              mkdir -p "test-results/linux-$name"
+              cp -r "$d"/. "test-results/linux-$name"/
+            done
+          done
+          for dir in all-results/e2e-results-windows-*/; do
+            [ -d "$dir" ] || continue
+            find "$dir" -name "results.json" -exec dirname {} \; | while read d; do
+              name=$(basename "$d")
+              mkdir -p "test-results/windows-$name"
+              cp -r "$d"/. "test-results/windows-$name"/
+            done
+          done
+          echo "Organized plan result directories:"
+          ls test-results/ || true
+
+      - name: Analyze results
+        env:
+          AZURE_OPENAI_ENDPOINT: ${{ secrets.AZURE_OPENAI_ENDPOINT }}
+          AZURE_OPENAI_API_KEY: ${{ secrets.AZURE_OPENAI_API_KEY }}
+          AZURE_OPENAI_DEPLOYMENT: ${{ secrets.AZURE_OPENAI_DEPLOYMENT }}
+        run: autotest analyze test-results --output test-results
+
+      - name: Write Job Summary
+        if: always()
+        shell: bash
+        run: |
+          if [ -f test-results/summary.md ]; then
+            cat test-results/summary.md >> "$GITHUB_STEP_SUMMARY"
+          fi
+
+      - name: Upload aggregate summary
+        if: always()
+        uses: actions/upload-artifact@v4
+        with:
+          name: e2e-aggregate-summary
+          path: test-results/summary.md
+          retention-days: 30