name: Checks

on:
  - push
  - pull_request

jobs:
  lint:
    name: Lint tests
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.x'
          cache: pip

      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          pip install -r tools/lint/requirements.txt

      - name: Lint all tests
        if: github.event_name == 'push'
        run: ./tools/lint/lint.py test/

      - name: Identify new or changed tests
        id: changed_tests
        if: github.event_name == 'pull_request'
        uses: tj-actions/changed-files@v45
        with:
          files: test/

      - name: Lint new or changed tests
        if: |
          github.event_name == 'pull_request' &&
            steps.changed_tests.outputs.any_changed == 'true'
        env:
          CHANGED: ${{ steps.changed_tests.outputs.all_changed_files }}
        run: |
          echo New or modified test files:
          for file in $CHANGED; do
            echo $file
          done
          ./tools/lint/lint.py $CHANGED 2> >(tee errors.out >&2)

      - name: Create annotations in the PR
        if: failure() && github.event_name == 'pull_request'
        run: |
          awk -F': ' <errors.out \
            "{ sub(\"$(pwd)/\", \"\"); printf \"::error file=%s,line=1::%s\n\", \$1, \$2 }"


  build:
    name: Build generated tests
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.x'
          cache: pip

      - name: Install dependencies for generation tool
        run: |
          python -m pip install --upgrade pip
          pip install -r tools/generation/requirements.txt

      - name: Install dependencies for regexp-generator tool
        run: |
          cd tools/regexp-generator
          npm install

      - name: Build tests
        run: |
          ./make.py clean >/dev/null
          ./make.py

      - name: Verify changes
        uses: tj-actions/verify-changed-files@v20
        with:
          fail-if-changed: true
          fail-message: |
            New changes were found after re-generating the tests.
            Please read the documentation on procedurally generated tests
            https://github.com/tc39/test262/blob/HEAD/CONTRIBUTING.md#procedurally-generated-tests