Golden Test Comment #18
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| name: Golden Test Comment | |
| # See ".github/workflows/golden-test-build.yml" for more details. | |
| on: | |
| workflow_run: | |
| workflows: [Golden Test] | |
| types: | |
| - completed | |
| jobs: | |
| comment: | |
| name: Comment | |
| runs-on: ubuntu-latest | |
| if: > | |
| github.event.workflow_run.event == 'pull_request' && | |
| github.event.workflow_run.conclusion == 'success' | |
| steps: | |
| # Since our Golden Test Comment is always executed on main branch, such that its status does | |
| # not show up in the PR page. However, if this job fails we should still block the PR, since | |
| # the Golden Test result is stale and can not be trusted. Here, we leverage the GitHub commit | |
| # status API to report the status. | |
| - name: Set PR status to be running | |
| uses: actions/github-script@v7 | |
| with: | |
| script: | | |
| await github.rest.repos.createCommitStatus({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| sha: '${{ github.event.workflow_run.head_sha }}', | |
| target_url: '${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}', | |
| state: 'pending', | |
| context: "Golden Test / Comment", | |
| }); | |
| # We do not have a good way to find the PR number from the workflow run event [1]. Therefore, | |
| # here we list all open PRs and find the one that has the same SHA as the workflow run. | |
| # This is a workaround until GitHub provides a better way to find the associated PR. | |
| # | |
| # [1]: https://github.com/orgs/community/discussions/25220 | |
| - name: Find associated pull request | |
| id: pr | |
| uses: actions/github-script@v7 | |
| with: | |
| script: | | |
| const { data: pulls } = await github.rest.pulls.list({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| state: 'open', | |
| }); | |
| const pr = pulls.find(pr => pr.head.sha === '${{ github.event.workflow_run.head_sha }}'); | |
| if (pr === undefined || pr === null) { | |
| throw new Error(`Cannot find the associated pull request for the workflow run ${context.runId}`); | |
| } | |
| console.info("Pull request number is", pr.number); | |
| return pr.number; | |
| - name: Download Golden Test result artifact | |
| uses: actions/github-script@v7 | |
| with: | |
| script: | | |
| const artifacts = await github.rest.actions.listWorkflowRunArtifacts({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| run_id: ${{ github.event.workflow_run.id }}, | |
| }); | |
| const matchArtifact = artifacts.data.artifacts.filter((artifact) => { | |
| return artifact.name == "golden-test-comment.md"; | |
| })[0]; | |
| const download = await github.rest.actions.downloadArtifact({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| artifact_id: matchArtifact.id, | |
| archive_format: 'zip', | |
| }); | |
| const fsp = require('fs').promises; | |
| await fsp.writeFile('${{ github.workspace }}/golden-test-comment.md.zip', Buffer.from(download.data)); | |
| - run: unzip golden-test-comment.md.zip | |
| - name: Upload the Golden Test result | |
| uses: actions/github-script@v7 | |
| with: | |
| script: | | |
| const fsp = require('fs').promises; | |
| const issueNumber = ${{ steps.pr.outputs.result }}; | |
| const owner = context.repo.owner; | |
| const repo = context.repo.repo; | |
| const rawData = await fsp.readFile('./golden-test-comment.md', 'utf8'); | |
| // GitHub API has a limit of 65536 bytes for a comment body, so here we shrink the | |
| // diff part (anything between <details> and </details>) to 10,000 characters if it | |
| // is too long. | |
| const pattern = /(<details>)([\s\S]*?)(<\/details>)/; | |
| const body = rawData.replace(pattern, function(match, p1, p2, p3) { | |
| if (p2.length > 10000) { | |
| return p1 + p2.substring(0, 5000) + '\n\n ...(truncated)...\n\n' + p2.substring(p2.length - 5000) + p3; | |
| } | |
| // No need to change anything if it is not too long. | |
| return match; | |
| }); | |
| // First find the comments made by the bot. | |
| const comments = await github.rest.issues.listComments({ | |
| owner: owner, | |
| repo: repo, | |
| issue_number: issueNumber | |
| }); | |
| const botComment = comments.data.find(comment => comment.user.login === 'github-actions[bot]' && comment.body.startsWith('## Golden Test')); | |
| // Update or create the PR comment. | |
| if (botComment) { | |
| await github.rest.issues.updateComment({ | |
| owner: owner, | |
| repo: repo, | |
| comment_id: botComment.id, | |
| body: body | |
| }); | |
| } else { | |
| await github.rest.issues.createComment({ | |
| owner: owner, | |
| repo: repo, | |
| issue_number: issueNumber, | |
| body: body | |
| }); | |
| } | |
| # `success()` can only be called in `if:` condition, so we convert it as a step output here | |
| # to be used in reporting the final status of this job. | |
| - name: Check if the job is successful | |
| id: success | |
| if: success() | |
| run: | | |
| echo "success=true" >> $GITHUB_OUTPUT | |
| - name: Set final PR status | |
| uses: actions/github-script@v7 | |
| if: always() | |
| with: | |
| script: | | |
| await github.rest.repos.createCommitStatus({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| sha: '${{ github.event.workflow_run.head_sha }}', | |
| target_url: '${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}', | |
| state: '${{ steps.success.outputs.success }}' === 'true' ? 'success' : 'failure', | |
| context: "Golden Test / Comment", | |
| }); |