php-unit-tests.yml

name: PHP Unit Tests

on:
  push:
    branches:
      - trunk
      - develop
    paths:
      - "**.php"
      - composer.json
      - composer.lock
      - .github/workflows/php-unit-tests.yml
  pull_request:
    paths:
      - "**.php"
      - composer.json
      - composer.lock
      - .github/workflows/php-unit-tests.yml

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

jobs:
  GetMatrix:
    name: Get WP version Matrix
    runs-on: ubuntu-latest
    outputs:
      wp-versions: ${{ steps.wp.outputs.versions }}
      latest-wp-version: ${{ fromJson(steps.wp.outputs.versions)[0] }}
    steps:
      - name: Get Release versions from Wordpress
        id: wp
        uses: woocommerce/grow/get-plugin-releases@actions-v1
        with:
          slug: wordpress
          
  UnitTests:
    name: PHP unit tests - PHP ${{ matrix.php }}, WP ${{ matrix.wp-version }}
    needs: GetMatrix
    runs-on: ubuntu-latest
    env:
      WP_CORE_DIR: "/tmp/wordpress/src"
      WP_TESTS_DIR: "/tmp/wordpress/tests/phpunit"
    strategy:
      matrix:
        php: [8.0]
        wp-version: ${{ fromJson(needs.GetMatrix.outputs.wp-versions) }}
        include:
          - php: 7.4
            wp-version: ${{ needs.GetMatrix.outputs.latest-wp-version }}
          - php: 8.1
            wp-version: ${{ needs.GetMatrix.outputs.latest-wp-version }}

    steps:
      - name: Checkout repository
        uses: actions/checkout@v3

      - name: Prepare PHP
        uses: woocommerce/grow/prepare-php@actions-v1
        with:
          php-version: "${{ matrix.php }}"

      - name: Prepare MySQL
        uses: woocommerce/grow/prepare-mysql@actions-v1

      - name: Install WP tests
        run: ./bin/install-wp-tests.sh wordpress_test root root localhost ${{ matrix.wp-version }}

      - if: matrix.wp-version == needs.GetMatrix.outputs.latest-wp-version && matrix.php == 8.0
        name: Set condition to generate coverage report (only on latest versions)
        run: echo "generate_coverage=true" >> $GITHUB_ENV

      - if: env.generate_coverage != 'true'
        name: Run PHP unit tests
        run: composer test-unit

      - if: env.generate_coverage == 'true'
        name: Run PHP unit tests (with code coverage)
        run: phpdbg -qrr vendor/bin/phpunit --coverage-clover=tests/php-coverage/report.xml

      - if: env.generate_coverage == 'true'
        name: PHP unit coverage report
        uses: codecov/codecov-action@v3
        with:
          files: tests/php-coverage/report.xml
          flags: php-unit-tests
          name: php-coverage-report