ComponentsKernelTestBase.php in Components! 8.2

Namespace

Drupal\Tests\components\Kernel

File

tests/src/Kernel/ComponentsKernelTestBase.php

<?php

namespace Drupal\Tests\components\Kernel;

use Drupal\Core\DependencyInjection\ContainerBuilder;
use Drupal\KernelTests\KernelTestBase;

/**
 * Defines a base class for Components kernel testing.
 */
abstract class ComponentsKernelTestBase extends KernelTestBase {

  /**
   * {@inheritdoc}
   */
  public function register(ContainerBuilder $container) {
    parent::register($container);

    // Enable Twig debugging.
    $parameters = $container
      ->getParameter('twig.config');
    $parameters['debug'] = TRUE;
    $container
      ->setParameter('twig.config', $parameters);
  }

  /**
   * {@inheritdoc}
   *
   * We override KernelTestBase::render() so that it outputs Twig debug comments
   * only for the render array given in a test and not for an entire page.
   *
   * @throws \Exception
   */
  protected function render(array &$elements) : string {

    // \Drupal\Core\Render\BareHtmlPageRenderer::renderBarePage calls out to
    // system_page_attachments() directly.
    if (!\Drupal::moduleHandler()
      ->moduleExists('system')) {
      throw new \Exception(__METHOD__ . ' requires system module to be installed.');
    }
    return $this->container
      ->get('renderer')
      ->renderRoot($elements);
  }

}

Classes

Name	Description
ComponentsKernelTestBase	Defines a base class for Components kernel testing.