recommend-integration-tests.yml

name: Recommend integration tests
on:
  pull_request:

jobs:
  recommend:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Set up Node.js
        uses: actions/setup-node@v4
        with:
          node-version: 22

      - name: Get source files changes
        id: source-files
        run: |
          DIFF=$(git diff --name-only origin/main | grep 'packages/react' | grep -Ev '.stories.tsx|.docs.json' || true)
          if [ -z "$DIFF" ]; then
            echo "diff=" >> $GITHUB_OUTPUT
          else
            echo "diff=true" >> $GITHUB_OUTPUT
          fi

      - name: Has diff?
        run: echo ${{ steps.source-files.outputs.diff != '' }}

      - name: Add label and comment
        if: ${{ steps.source-files.outputs.diff != '' }}
        uses: actions/github-script@v7
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            const INTEGRATION_LABEL_NAMES = {
              // synced with https://github.com/primer/react/labels?q=integration-tests
              skipped: 'integration-tests: skipped manually',
              recommended: 'integration-tests: recommended',
              failing: 'integration-tests: failing',
              passing: 'integration-tests: passing'
            }

            const issue = {
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo
            }

            const labels = await github.paginate(github.rest.issues.listLabelsOnIssue, issue);
            const integrationLabels = labels.filter(label => label.name.startsWith('integration-tests'))
            const hasPassingLabel = integrationLabels.find(label => label.name === INTEGRATION_LABEL_NAMES.passing)

            if (integrationLabels.length === 0) {
              // recommend integration tests
              await github.rest.issues.addLabels({...issue, labels: [INTEGRATION_LABEL_NAMES.recommended]})
              await github.rest.issues.createComment({
                ...issue,
                body: '<!-- recommend-integration-tests.yml -->\n\n :wave: Hi, this pull request contains changes to the source code that github/github depends on. If you are GitHub staff, we recommend testing these changes with github/github using the [integration workflow](https://gh.io/testing_primer_at_dotcom). Thanks!'
              })
            } else if (hasPassingLabel) {
              // recommend running integration tests again as there are new commits that might change the status
              // note: we don't remove 'integration-tests: passing' label because this is only a suggestion/nudge
              await github.rest.issues.addLabels({...issue, labels: [INTEGRATION_LABEL_NAMES.recommended]})
              await github.rest.issues.createComment({
                ...issue,
                body: '<!-- recommend-integration-tests.yml -->\n\n :wave: Hi, there are new commits since the last successful integration test. We recommend running the [integration workflow](https://gh.io/testing_primer_at_dotcom) once more, unless you are sure the new changes do not affect github/github. Thanks!'
              })
            }