Comment on the PR with Playwright results #3342
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| name: Comment on the PR with Playwright results | |
| on: | |
| workflow_run: | |
| workflows: ["Playwright Tests"] | |
| types: | |
| - completed | |
| permissions: {} | |
| jobs: | |
| playwright_comment: | |
| runs-on: ubuntu-latest | |
| permissions: | |
| pull-requests: write | |
| if: > | |
| github.event.workflow_run.event == 'pull_request' && | |
| github.event.workflow_run.conclusion == 'success' | |
| steps: | |
| - name: Harden Runner | |
| uses: step-security/harden-runner@5c7944e73c4c2a096b17a9cb74d65b6c2bbafbde # v2.9.1 | |
| with: | |
| egress-policy: audit | |
| - name: Grab playwright-output from PR run | |
| uses: dawidd6/action-download-artifact@80620a5d27ce0ae443b965134db88467fc607b43 # v7 | |
| continue-on-error: true | |
| with: | |
| github_token: ${{ secrets.GITHUB_TOKEN }} | |
| run_id: ${{ github.event.workflow_run.id }} | |
| name: playwright-output | |
| - name: Grab master-screenshots-outcome from PR run | |
| uses: dawidd6/action-download-artifact@80620a5d27ce0ae443b965134db88467fc607b43 # v7 | |
| continue-on-error: true | |
| with: | |
| github_token: ${{ secrets.GITHUB_TOKEN }} | |
| run_id: ${{ github.event.workflow_run.id }} | |
| name: master-screenshots-outcome | |
| - name: Grab playwright-results-json from PR run | |
| uses: dawidd6/action-download-artifact@80620a5d27ce0ae443b965134db88467fc607b43 # v7 | |
| continue-on-error: true | |
| with: | |
| github_token: ${{ secrets.GITHUB_TOKEN }} | |
| run_id: ${{ github.event.workflow_run.id }} | |
| name: playwright-results-json | |
| - name: Dry-run grab playwright-report from PR run so we have its ID | |
| uses: dawidd6/action-download-artifact@80620a5d27ce0ae443b965134db88467fc607b43 # v7 | |
| id: playwright-report | |
| continue-on-error: true | |
| with: | |
| github_token: ${{ secrets.GITHUB_TOKEN }} | |
| run_id: ${{ github.event.workflow_run.id }} | |
| name: playwright-report | |
| dry_run: true | |
| - name: Store playwright-report ID | |
| id: playwright-report-artifact-id | |
| env: | |
| ARTIFACTS_JSON: ${{ steps.playwright-report.outputs.artifacts }} | |
| run: | | |
| ID=$(echo "$ARTIFACTS_JSON" | jq -r '.[0].id'); | |
| echo "id=$ID" >> "$GITHUB_OUTPUT" | |
| - name: Generate summary from playwright-results.json (expected to fail to comment) | |
| id: playwright-summary | |
| uses: daun/playwright-report-summary@v3 | |
| with: | |
| report-file: playwright-results.json | |
| - name: Load artifacts into environment variables | |
| id: playwright | |
| run: | | |
| EOF=$(dd if=/dev/urandom bs=15 count=1 status=none | base64) | |
| { | |
| echo "PLAYWRIGHT_OUTPUT<<$EOF"; | |
| cat ./playwright-output; | |
| echo "$EOF"; | |
| echo "MASTER_SCREENSHOTS_OUTCOME<<$EOF"; | |
| cat ./master-screenshots-outcome; | |
| echo "$EOF"; | |
| echo "FAILED=$(grep -c '^ *[0-9] failed$' ./playwright-output)"; | |
| echo "FLAKY=$(grep -c '^ *[0-9] flaky$' ./playwright-output)" | |
| } >> "$GITHUB_OUTPUT" | |
| # this is required because github.event.workflow_run.pull_requests is not available for PRs from forks | |
| - name: Get PR context | |
| id: source-run-info | |
| env: | |
| GH_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| # Find the most recently updated open PR at the repo with the requested commit: | |
| SEARCH_QUERY: >- | |
| type:pr state:open sort:updated-desc | |
| repo:${{ github.repository }} | |
| ${{ github.event.workflow_run.head_sha }} | |
| # Minimal graphql search query to fetch the PR `number` field: | |
| GQL: |- | |
| query($filter: String!) { | |
| search( query: $filter, type: ISSUE, first: 1) { | |
| nodes { ... on PullRequest { number } } | |
| } | |
| } | |
| # Formats the GQL response into a `key=value` string + basic error handling | |
| JQ_FILTER: >- | |
| .data.search.nodes[0] | |
| | if (.number == null) then error("Could not find PR number") end | |
| | "pullRequestNumber=\(.number)" | |
| run: | | |
| gh api graphql --field "filter=$SEARCH_QUERY" --raw-field "query=$GQL" --jq "$JQ_FILTER" >> "${GITHUB_OUTPUT}" | |
| - name: "[Comment] Couldn't download screenshots from master branch" | |
| uses: mshick/add-pr-comment@b8f338c590a895d50bcbfa6c5859251edc8952fc # v2.8.2 | |
| if: steps.playwright.outputs.MASTER_SCREENSHOTS_OUTCOME == 'failure' | |
| with: | |
| issue: ${{ steps.source-run-info.outputs.pullRequestNumber }} | |
| message: | | |
| :heavy_exclamation_mark: Could not fetch screenshots from master branch, so had nothing to make a visual comparison against; please check the "master-screenshots" step in the workflow run and rerun it before merging. | |
| - name: "[Comment] Warning: Visual differences caused by this PR; please check the playwright report" | |
| uses: mshick/add-pr-comment@b8f338c590a895d50bcbfa6c5859251edc8952fc # v2.8.2 | |
| if: steps.playwright.outputs.MASTER_SCREENSHOTS_OUTCOME != 'failure' && steps.playwright.outputs.FAILED != 0 | |
| with: | |
| issue: ${{ steps.source-run-info.outputs.pullRequestNumber }} | |
| message: | | |
| :warning: <a href="${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.event.workflow_run.id }}/artifacts/${{ steps.playwright-report-artifact-id.outputs.id }}">Visual changes detected by playwright; please check the report to verify if they are desirable.</a> | |
| - name: "[Comment] Success (but flaky): No visual differences introduced by this PR (but flaky tests detected)" | |
| uses: mshick/add-pr-comment@b8f338c590a895d50bcbfa6c5859251edc8952fc # v2.8.2 | |
| if: steps.playwright.outputs.MASTER_SCREENSHOTS_OUTCOME != 'failure' && steps.playwright.outputs.FLAKY != 0 && steps.playwright.outputs.FAILED == 0 | |
| with: | |
| issue: ${{ steps.source-run-info.outputs.pullRequestNumber }} | |
| message: | | |
| :heavy_check_mark: <a href="${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.event.workflow_run.id }}/artifacts/${{ steps.playwright-report-artifact-id.outputs.id }}">No visual changes detected by playwright, but flaky tests were detected; please try to fix the tests.</a> | |
| - name: "[Comment] Success: No visual differences introduced by this PR" | |
| uses: mshick/add-pr-comment@b8f338c590a895d50bcbfa6c5859251edc8952fc # v2.8.2 | |
| if: steps.playwright.outputs.MASTER_SCREENSHOTS_OUTCOME != 'failure' && steps.playwright.outputs.FLAKY == 0 && steps.playwright.outputs.FAILED == 0 | |
| with: | |
| issue: ${{ steps.source-run-info.outputs.pullRequestNumber }} | |
| message: | | |
| :heavy_check_mark: <a href="${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.event.workflow_run.id }}/artifacts/${{ steps.playwright-report-artifact-id.outputs.id }}">No visual changes detected by playwright.</a> | |
| update-only: true |