name: jest balancer
on:
  workflow_dispatch:
  schedule:
    - cron: '0 0 1,15 * *'
jobs:
  jest-balance:
    # Buckle up, this may take a while
    timeout-minutes: 60
    # Make sure this matches the runner that runs frontend tests
    runs-on: ubuntu-20.04
    steps:
      - uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8 # v3.1.0
        name: Checkout sentry

      - uses: getsentry/action-setup-volta@54775a59c41065f54ecc76d1dd5f2cdc7a1550cb # v1.1.0

      - name: Install dependencies
        run: yarn install --frozen-lockfile

      - name: Build CSS
        run: NODE_ENV=production yarn build-css

      - name: jest balancer
        env:
          GITHUB_PR_SHA: ${{ github.event.pull_request.head.sha || github.sha }}
          GITHUB_PR_REF: ${{ github.event.pull_request.head.ref || github.ref }}
        run: JEST_TEST_BALANCER=1 yarn test-ci

      - name: Create Pull Request
        uses: peter-evans/create-pull-request@b4d51739f96fca8047ad065eccef63442d8e99f7 # v4.2.0
        with:
          token: ${{ secrets.BUMP_SENTRY_TOKEN }}
          add-paths: |
            tests/js/test-balancer/jest-balance.json
          commit-message: 'ci(jest): regenerate jest-balance.json'
          branch: 'ci/jest/rebalance-tests'
          delete-branch: true
          base: master
          title: 'ci(jest): regenerate jest-balance.json'
          body: |
            This PR was auto-generated - it updates the \`jest-balance.json\` file with new test run data from CI.