coverage.yml

name: Check Coverage

on:
  push:
    branches:
      - main
  pull_request:

env:
  POETRY_VERSION: "1.8.3"

jobs:
  test:
    runs-on: ubuntu-latest-unit-tester
    strategy:
      fail-fast: false
      matrix:
        python-version: ["3.9"]
    steps:
      - name: clear space
        env:
          CI: true
        shell: bash
        run: rm -rf /opt/hostedtoolcache/*
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - name: update rustc
        run: rustup update stable
      - name: Install Poetry
        run: pipx install poetry==${{ env.POETRY_VERSION }}
      - name: Set up python ${{ matrix.python-version }}
        uses: actions/setup-python@v5
        with:
          python-version: ${{ matrix.python-version }}
          cache: "poetry"
          cache-dependency-path: "**/poetry.lock"
      - uses: pantsbuild/actions/init-pants@v5-scie-pants
        with:
          # v0 makes it easy to bust the cache if needed
          # just increase the integer to start with a fresh cache
          gha-cache-key: v1-py${{ matrix.python_version }}
          named-caches-hash: v1-py${{ matrix.python_version }}
          pants-python-version: ${{ matrix.python-version }}
          pants-ci-config: pants.toml
      - name: Check BUILD files
        run: |
          pants tailor --check :: -docs/::
      - name: Run coverage checks on changed packages
        run: |
          # Get the changed files
          CHANGED_FILES=$(pants list --changed-since=origin/main)

          # Find which roots contain changed files
          FILTER_PATTERNS="["
          for file in $CHANGED_FILES; do
            root=$(echo "$file" | cut -d'/' -f1,2,3)
            if [[ ! "$FILTER_PATTERNS" =~ "$root" ]]; then
              FILTER_PATTERNS="${FILTER_PATTERNS}'${root}',"
            fi
          done

          # remove the last comma and close the bracket
          FILTER_PATTERNS="${FILTER_PATTERNS%,}]"

          echo "Coverage filter patterns: $FILTER_PATTERNS"

          pants --level=error --no-local-cache test \
            --test-use-coverage \
            --changed-since=origin/main \
            --coverage-py-filter="$FILTER_PATTERNS"