name: Tests

on:
  push:
    branches:
      - master
  pull_request:

jobs:
  tests:
    name: PHP ${{ matrix.php-versions }} on ${{ matrix.os }} w/ ${{ matrix.dependencies }}
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        php-versions:
          - '7.3'
          - '7.4'
          - '8.0'
          - '8.1'
          - '8.2'
        os: [ubuntu-latest, windows-latest, macOS-latest]
        dependencies: ['install', 'update --prefer-lowest', 'update']

    steps:

    - name: Checkout
      uses: actions/checkout@v2

    - name: Set up PHP ${{ matrix.php-versions }}
      uses: shivammathur/setup-php@v2
      with:
        php-version: ${{ matrix.php-versions }}
        extensions: mbstring
        coverage: pcov

    - name: Setup Problem Matchers for PHP
      run: echo "::add-matcher::${{ runner.tool_cache }}/php.json"

    - name: Setup Problem Matchers for PHPUnit
      run: echo "::add-matcher::${{ runner.tool_cache }}/phpunit.json"

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

    - name: Get Composer Cache Directory
      id: composer-cache
      run: echo "::set-output name=dir::$(composer config cache-files-dir)"

    - name: Cache dependencies
      uses: actions/cache@v2
      with:
        path: ${{ steps.composer-cache.outputs.dir }}
        key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
        restore-keys: ${{ runner.os }}-composer-

    - name: Install dependencies
      run: composer ${{ matrix.dependencies }} --prefer-dist --no-progress --ignore-platform-reqs

    - name: Run test suite
      run: composer run-script test -- --coverage-text

    - name: Notify Coveralls
      if: matrix.php-versions == '7.3' && runner.os == 'Linux' && matrix.dependencies == 'install'
      env:
        COVERALLS_REPO_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      run: |
        composer require php-coveralls/php-coveralls
        composer run-script php-coveralls -- --verbose
