name: CI

on: [push, pull_request]

jobs:
  tests:
    runs-on: ubuntu-latest

    strategy:
      matrix:
        php: [7.4, 8.0, 8.1]

    steps:
    - name: Checkout code
      uses: actions/checkout@v2

    - name: Setup PHP
      uses: shivammathur/setup-php@v2
      with:
        php-version: ${{ matrix.php }}

    - name: Validate composer.json
      run: composer validate

    - name: Install dependencies
      run: composer update --prefer-source

    - name: Run test suite
      run: php vendor/bin/phpunit tests