name: Unit Tests

on:
    push:
    pull_request:

jobs:
    test:
        runs-on: ubuntu-latest

        strategy:
            matrix:
                php: ["7.1", "7.2", "7.3", "7.4"]

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

            - name: Validate composer.json and composer.lock
              run: composer validate

            - name: Cache Composer packages
              id: composer-cache
              uses: actions/cache@v2
              with:
                  path: vendor
                  key: ${{ runner.os }}-php-${{ hashFiles('**/composer.lock') }}
                  restore-keys: |
                      ${{ runner.os }}-php-

            - name: Install dependencies
              if: steps.composer-cache.outputs.cache-hit != 'true'
              run: composer install --prefer-dist --no-progress --no-suggest

            - name: Run test suite
              run: ./vendor/bin/phpunit --no-coverage

            - name: Run code style check
              if: matrix.php == '7.1'
              run: vendor/bin/php-cs-fixer fix --config=.php_cs.dist --verbose --diff --dry-run