ci.yml

name: CI

# On demand only: every push mailed a failing matrix to the maintainer.
on:
  workflow_dispatch:

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  tests:
    name: PHP ${{ matrix.php }}
    runs-on: ubuntu-latest

    strategy:
      fail-fast: false
      matrix:
        php: [ '8.3', '8.4', '8.5' ]

    steps:
      - uses: actions/checkout@v4

      - name: Set up PHP
        uses: shivammathur/setup-php@v2
        with:
          php-version: ${{ matrix.php }}
          extensions: mbstring
          coverage: none
          tools: composer:v2

      - name: Install dependencies
        run: composer install --prefer-dist --no-progress --no-interaction

      - name: Lint
        run: find src tests -name '*.php' -print0 | xargs -0 -n1 -P4 php -l > /dev/null

      - name: Coding standards
        run: composer lint

      - name: Formatting
        # Separate from the lint: a clean lint does not mean a clean format
        # check, and a green build has to mean both.
        run: composer format:check

      - name: Tests
        # Checked for output, not just exit status. Anything that exits during
        # autoload takes phpunit with it before it runs, and the step passes
        # with status 0 having tested nothing.
        run: |
          composer test | tee phpunit.log
          grep -qE 'OK \(|Tests: ' phpunit.log || {
            echo '::error::phpunit produced no result -- the suite did not run'
            exit 1
          }