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+name: Playwright Tests
+on:
+ push:
+ branches: [master]
+ pull_request:
+permissions:
+ contents: read
+jobs:
+ playwright:
+ timeout-minutes: 60
+ runs-on: ubuntu-latest
+ permissions:
+ pull-requests: write
+ contents: write
+ steps:
+ - uses: actions/checkout@v3
+
+ - uses: actions/setup-node@v3
+ with:
+ cache: "npm"
+ node-version-file: ".node-version"
+
+ - name: Install dependencies
+ run: npm ci
+
+ - name: Cache playwright browsers
+ id: cache-playwright
+ uses: actions/cache@v3
+ with:
+ path: |
+ ~/.cache/ms-playwright
+ key: cache-playwright-${{ hashFiles('package-lock.json') }} # playwright version is included in package-lock, so this serves as a reasonable cache key
+
+ - if: ${{ steps.cache-playwright.outputs.cache-hit != 'true' }}
+ name: Install Playwright Browsers
+ run: npx playwright install --with-deps chromium
+
+ - name: Grab latest dictionaries from dictionaries branch
+ uses: actions/checkout@v3
+ with:
+ ref: dictionaries
+ path: dictionaries
+
+ - name: Grab latest screenshots from master branch
+ uses: dawidd6/action-download-artifact@5e780fc7bbd0cac69fc73271ed86edf5dcb72d67 # pin@v2
+ continue-on-error: true
+ id: download-screenshots
+ with:
+ github_token: ${{ secrets.GITHUB_TOKEN }}
+ name: playwright-screenshots
+ branch: master
+ workflow: playwright.yml
+ workflow_conclusion: success
+ path: test/playwright/__screenshots__/
+
+ - name: "[PR] Generate new screenshots & compare against master"
+ id: playwright
+ run: |
+ EOF=$(dd if=/dev/urandom bs=15 count=1 status=none | base64)
+ echo "PLAYWRIGHT_OUTPUT<<$EOF" >> $GITHUB_OUTPUT
+ npx playwright test 2>&1 | tee $GITHUB_OUTPUT || true
+ echo "$EOF" >> $GITHUB_OUTPUT
+ echo "NUM_FAILED=$(grep -c 'Screenshot comparison failed' $GITHUB_OUTPUT)" >> $GITHUB_OUTPUT
+ continue-on-error: true
+ if: github.event_name == 'pull_request' && steps.download-screenshots.outcome != 'failure'
+
+ - name: "[Push] Generate new authoritative screenshots for master"
+ id: playwright-master
+ run: npx playwright test -u
+ if: github.event_name == 'push'
+
+ - uses: actions/upload-artifact@v3
+ with:
+ name: playwright-screenshots
+ path: test/playwright/__screenshots__/
+
+ - uses: actions/upload-artifact@v3
+ with:
+ name: playwright-report
+ path: playwright-report/
+
+ - name: "[Couldn't download screenshots] Comment results on PR"
+ uses: mshick/add-pr-comment@a65df5f64fc741e91c59b8359a4bc56e57aaf5b1 # pin@v2
+ if: github.event_name == 'pull_request' && steps.download-screenshots.outcome == 'failure'
+ with:
+ message: |
+ :heavy_exclamation_mark: Could not fetch screenshots from master branch, so had nothing to make a visual comparison against; please check the "download-screenshots" step in the workflow run and rerun it before merging.
+
+ - name: "[Success] Comment results on PR"
+ uses: mshick/add-pr-comment@a65df5f64fc741e91c59b8359a4bc56e57aaf5b1 # pin@v2
+ if: github.event_name == 'pull_request' && steps.download-screenshots.outcome != 'failure' && steps.playwright.outputs.NUM_FAILED == 0
+ with:
+ message: |
+ :heavy_check_mark: No visual differences introduced by this PR.
+ [View Playwright Report](${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}#artifacts) (note: open the "playwright-report" artifact)
+
+ - name: "[Failure] Comment results on PR"
+ uses: mshick/add-pr-comment@a65df5f64fc741e91c59b8359a4bc56e57aaf5b1 # pin@v2
+ if: github.event_name == 'pull_request' && steps.download-screenshots.outcome != 'failure' && steps.playwright.outputs.NUM_FAILED != 0
+ with:
+ message: |
+ :warning: {{ steps.playwright.outputs.NUM_FAILED }} visual differences introduced by this PR; please validate if they are desirable.
+ <details>
+ <summary>Playwright Test Results</summary>
+ <pre>
+ ${{ steps.playwright.outputs.PLAYWRIGHT_OUTPUT }}
+ </pre>
+ </details>
+ [View Playwright Report](${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}#artifacts) (note: open the "playwright-report" artifact)