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Comment on the PR with Playwright results #3369

Comment on the PR with Playwright results

Comment on the PR with Playwright results #3369

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