##
# A callable workflow that runs the PHPUnit test suite with the specified configuration.
##
name: Run PHPUnit tests

on:
  workflow_call:
    inputs:
      os:
        description: 'Operating system to run tests on'
        required: false
        type: 'string'
        default: 'ubuntu-latest'
      php:
        description: 'The version of PHP to use, in the format of X.Y'
        required: true
        type: 'string'
      db-type:
        description: 'Database type. Valid types are mysql and mariadb'
        required: false
        type: 'string'
        default: 'mysql'
      db-version:
        description: 'Database version'
        required: false
        type: 'string'
        default: '8.0'
      multisite:
        description: 'Whether to run tests as multisite'
        required: false
        type: 'boolean'
        default: false
      memcached:
        description: 'Whether to test with memcached enabled'
        required: false
        type: 'boolean'
        default: false
      phpunit-config:
        description: 'The PHPUnit configuration file to use'
        required: false
        type: 'string'
        default: 'phpunit.xml.dist'
      report:
        description: 'Whether to report results to WordPress.org Hosting Tests'
        required: false
        type: 'boolean'
        default: false
env:
  LOCAL_PHP: ${{ inputs.php }}-fpm
  LOCAL_DB_TYPE: ${{ inputs.db-type }}
  LOCAL_DB_VERSION: ${{ inputs.db-version }}
  LOCAL_PHP_MEMCACHED: ${{ inputs.memcached }}
  PHPUNIT_CONFIG: ${{ inputs.phpunit-config }}
  PUPPETEER_SKIP_DOWNLOAD: ${{ true }}

jobs:
  # Runs the PHPUnit tests for WordPress.
  #
  # Performs the following steps:
  # - Sets environment variables.
  # - Checks out the repository.
  # - Sets up Node.js.
  # - Sets up PHP.
  # - Installs Composer dependencies.
  # - Installs npm dependencies
  # - Logs general debug information about the runner.
  # - Logs Docker debug information (about the Docker installation within the runner).
  # - Starts the WordPress Docker container.
  # - Logs the running Docker containers.
  # - Logs debug information about what's installed within the WordPress Docker containers.
  # - Install WordPress within the Docker container.
  # - Run the PHPUnit tests.
  # - Ensures version-controlled files are not modified or deleted.
  # - Checks out the WordPress Test reporter repository.
  # - Submit the test results to the WordPress.org host test results.
  phpunit-tests:
    name: PHP ${{ inputs.php }} / ${{ 'mariadb' == inputs.db-type && 'MariaDB' || 'MySQL' }} ${{ inputs.db-version }}${{ inputs.multisite && ' multisite' || '' }}${{ inputs.memcached && ' with memcached' || '' }}${{ inputs.report && ' (test reporting enabled)' || '' }}
    runs-on: ${{ inputs.os }}
    timeout-minutes: 20

    steps:
      - name: Configure environment variables
        run: |
          echo "PHP_FPM_UID=$(id -u)" >> $GITHUB_ENV
          echo "PHP_FPM_GID=$(id -g)" >> $GITHUB_ENV

      - name: Checkout repository
        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
        with:
          show-progress: ${{ runner.debug == '1' && 'true' || 'false' }}

      - name: Set up Node.js
        uses: actions/setup-node@b39b52d1213e96004bfcb1c61a8a6fa8ab84f3e8 # v4.0.1
        with:
          node-version-file: '.nvmrc'
          cache: npm

      ##
      # This allows Composer dependencies to be installed using a single step.
      #
      # Since the tests are currently run within the Docker containers where the PHP version varies,
      # the same PHP version needs to be configured for the action runner machine so that the correct
      # dependency versions are installed and cached.
      ##
      - name: Set up PHP
        uses: shivammathur/setup-php@6d7209f44a25a59e904b1ee9f3b0c33ab2cd888d # v2.29.0
        with:
          php-version: '${{ inputs.php }}'
          coverage: none

      # Since Composer dependencies are installed using `composer update` and no lock file is in version control,
      # passing a custom cache suffix ensures that the cache is flushed at least once per week.
      - name: Install Composer dependencies
        uses: ramsey/composer-install@83af392bf5f031813d25e6fe4cd626cdba9a2df6 # v2.2.0
        with:
          custom-cache-suffix: $(/bin/date -u --date='last Mon' "+%F")

      - name: Install npm dependencies
        run: npm ci

      - name: General debug information
        run: |
          npm --version
          node --version
          curl --version
          git --version
          composer --version
          locale -a

      - name: Docker debug information
        run: |
          docker -v
          docker-compose -v

      - name: Start Docker environment
        run: |
          npm run env:start

      - name: Log running Docker containers
        run: docker ps -a

      - name: WordPress Docker container debug information
        run: |
          docker-compose run --rm mysql ${{ env.LOCAL_DB_TYPE }} --version
          docker-compose run --rm php php --version
          docker-compose run --rm php php -m
          docker-compose run --rm php php -i
          docker-compose run --rm php locale -a

      - name: Install WordPress
        run: npm run env:install

      - name: Run PHPUnit tests
        run: node ./tools/local-env/scripts/docker.js run php ./vendor/bin/phpunit --verbose -c ${{ env.PHPUNIT_CONFIG }}

      - name: Run AJAX tests
        run: node ./tools/local-env/scripts/docker.js run php ./vendor/bin/phpunit --verbose -c ${{ env.PHPUNIT_CONFIG }} --group ajax

      - name: Run ms-files tests as a multisite install
        if: ${{ inputs.multisite }}
        run: node ./tools/local-env/scripts/docker.js run php ./vendor/bin/phpunit --verbose -c ${{ env.PHPUNIT_CONFIG }} --group ms-files

      - name: Run external HTTP tests
        if: ${{ ! inputs.multisite }}
        run: node ./tools/local-env/scripts/docker.js run php ./vendor/bin/phpunit --verbose -c ${{ env.PHPUNIT_CONFIG }} --group external-http

      # __fakegroup__ is excluded to force PHPUnit to ignore the <exclude> settings in phpunit.xml.dist.
      - name: Run (Xdebug) tests
        if: ${{ inputs.php != '8.3' }}
        run: LOCAL_PHP_XDEBUG=true node ./tools/local-env/scripts/docker.js run php ./vendor/bin/phpunit -v --group xdebug --exclude-group __fakegroup__

      - name: Ensure version-controlled files are not modified or deleted
        run: git diff --exit-code

      - name: Checkout the WordPress Test Reporter
        if: ${{ github.repository == 'WordPress/wordpress-develop' && github.ref == 'refs/heads/trunk' && inputs.report }}
        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
        with:
          repository: 'WordPress/phpunit-test-runner'
          path: 'test-runner'
          show-progress: ${{ runner.debug == '1' && 'true' || 'false' }}

      - name: Submit test results to the WordPress.org host test results
        if: ${{ github.repository == 'WordPress/wordpress-develop' && github.ref == 'refs/heads/trunk' && inputs.report }}
        env:
          WPT_REPORT_API_KEY: "${{ secrets.WPT_REPORT_API_KEY }}"
        run: docker-compose run --rm -e WPT_REPORT_API_KEY -e WPT_PREPARE_DIR=/var/www -e WPT_TEST_DIR=/var/www php php test-runner/report.php