e2e-playwright.yml

name: ⚙️ Playwright E2E testing
on:
  pull_request:

jobs:
  build-demo:
    if: ${{ !contains(github.head_ref , 'release/') }}
    name: Build demo
    runs-on: ubuntu-latest
    steps:
      - uses: taiga-family/ci/actions/setup/checkout@v1.51.14
        with:
          fetch-depth: 10
      - uses: taiga-family/ci/actions/setup/variables@v1.51.14
      - uses: taiga-family/ci/actions/run/rebase@v1.51.14
        continue-on-error: true
      - uses: taiga-family/ci/actions/setup/node@v1.51.14

      - run: npx tsc -p tsconfig.playwright.json

      - name: Building demo-app of git-branch without cache
        run: npx nx prerender demo

      - name: Upload cache / ${{ env.CACHE_DIST_KEY }}
        uses: actions/cache/save@v4.0.1
        with:
          path: dist/demo
          key: ${{ env.CACHE_DIST_KEY }}

  playwright:
    if: ${{ !contains(github.head_ref , 'release/') }}
    runs-on: ubuntu-latest
    needs: [build-demo]
    strategy:
      fail-fast: false
      matrix:
        shardIndex: [1, 2, 3, 4, 5, 6, 7, 8]
        shardTotal: [8]
    name: playwright / (${{ matrix.shardIndex }} of ${{ matrix.shardTotal }})
    steps:
      - uses: taiga-family/ci/actions/setup/checkout@v1.51.14
      - uses: taiga-family/ci/actions/setup/variables@v1.51.14
      - uses: taiga-family/ci/actions/setup/node@v1.51.14

      - name: Install Playwright Browsers
        run: npx playwright install --with-deps chromium

      - name: Download cache / ${{ env.CACHE_DIST_KEY }}
        uses: actions/cache/restore@v4.0.1
        with:
          path: dist/demo
          key: ${{ env.CACHE_DIST_KEY }}

      - name: Serve ${{ env.DIST }} in background
        run: npx nx serve-compiled demo --path ${{ env.DIST }} --port ${{ env.NG_SERVER_PORT }}

      - name: Run screenshot tests on ${{ env.DIST }}
        run: npx nx e2e demo-playwright -- --update-snapshots --shard=${{ matrix.shardIndex }}/${{ matrix.shardTotal }}

      - name: Clean up resources
        run: npx kill-port --port ${{ env.NG_SERVER_PORT }}

      - name: Download ${{ env.DIST_NEXT }} for serve locally
        run: |
          git clone \
                --depth 1 \
                --branch snapshots/demo/next/${{ github.base_ref }} \
                https://github.com/${{ github.repository }}.git ${{ env.DIST_NEXT }}

      - name: Serve ${{ env.DIST_NEXT }} in background
        run: npx nx serve-compiled demo --path ${{ env.DIST_NEXT }} --port ${{ env.NG_SERVER_PORT }}

      - name: Run screenshot tests on ${{ env.DIST_NEXT }}
        continue-on-error: true
        run: npx nx e2e demo-playwright --shard=${{ matrix.shardIndex }}/${{ matrix.shardTotal }}

      - name: Clean up resources
        run: npx kill-port --port ${{ env.NG_SERVER_PORT }}

      - name: Combine images to get diff reports
        run: |
          npm install canvas
          npx ts-node ./scripts/combine-playwright-failed-screenshots.ts

      - name: Debug output
        continue-on-error: true
        run: tree ${{ env.PLAYWRIGHT_SNAPSHOTS_PATH }}

      - name: Upload artifacts / ${{ env.PLAYWRIGHT_SNAPSHOTS_ARTIFACTS_KEY }}
        uses: actions/upload-artifact@v4.3.1
        with:
          path: |
            ./projects/demo-playwright/tests-results/**/*.diff.png
            !./projects/demo-playwright/tests-results/**/*-retry*/*.diff.png
          name: '${{ env.PLAYWRIGHT_SNAPSHOTS_ARTIFACTS_KEY }}_${{ matrix.shardIndex }}'
          if-no-files-found: ignore
          compression-level: 0
          retention-days: 1

  result:
    if: ${{ !contains(github.head_ref , 'release/') }}
    name: E2E result
    needs: [playwright]
    runs-on: ubuntu-latest
    steps:
      - uses: taiga-family/ci/actions/setup/checkout@v1.51.14
      - uses: taiga-family/ci/actions/setup/variables@v1.51.14

      - name: Download artifacts / ${{ env.PLAYWRIGHT_SNAPSHOTS_ARTIFACTS_KEY }}
        continue-on-error: true
        uses: actions/download-artifact@v4.1.4
        with:
          path: ./total/playwright
          pattern: ${{ env.PLAYWRIGHT_SNAPSHOTS_ARTIFACTS_KEY }}_*
          merge-multiple: true
      - run: ls -R ./total/playwright || echo "not found"

      - name: Check if diff-output exists
        id: diff_checker
        run: |
          echo "diff_exist=$(find ./total -regex '.*diff\.png$' | wc -l | sed -e 's/^[[:space:]]*//')" >> $GITHUB_OUTPUT

      - name: Fall with an error if diff-output exists
        if: ${{ steps.diff_checker.outputs.diff_exist != '0' }}
        run: |
          find ./total -regex '.*diff\.png$' -exec echo "{}" \;
          exit 1

concurrency:
  group: e2e-playwright-${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true