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-24.04
    steps:
      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
        name: Checkout sentry

      - uses: actions/setup-node@1e60f620b9541d16bece96c5465dc8ee9832be0b # v4
        id: setup-node
        with:
          node-version-file: '.volta.json'

      - name: node_modules cache
        uses: actions/cache@13aacd865c20de90d75de3b17ebe84f7a17d57d2 # v4.0.0
        id: nodemodulescache
        with:
          path: node_modules
          key: ${{ runner.os }}-node-modules-${{ hashFiles('yarn.lock', 'api-docs/yarn.lock', '.volta.json') }}

      - name: Install Javascript Dependencies
        if: steps.nodemodulescache.outputs.cache-hit != 'true'
        run: yarn install --frozen-lockfile

      - 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.