LegacyFrontControllerTest.php

<?php

declare (strict_types=1);
namespace Drupal\FunctionalTests\Bootstrap;

use Drupal\Core\File\FileExists;
use Drupal\Core\File\FileSystemInterface;
use Drupal\Tests\BrowserTestBase;
use PHPUnit\Framework\Attributes\Group;
use PHPUnit\Framework\Attributes\RunTestsInSeparateProcesses;

/**
 * Tests that front-controllers without symfony/runtime keep working.
 *
 * Symfony Runtime is introduced to change bootstrap logic. This should be done
 * as a backward-compatible change. This test ensures that applications that
 * still use the old model of index.php (initializing the DrupalKernel,
 * creating the request, and dispatching it) will keep working.
 */
class LegacyFrontControllerTest extends BrowserTestBase {
  
  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'legacy_front_controller_test',
  ];
  
  /**
   * {@inheritdoc}
   */
  protected $defaultTheme = 'stark';
  
  /**
   * The file system under test.
   */
  protected FileSystemInterface $fileSystem;
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $this->fileSystem = $this->container
      ->get('file_system');
  }
  
  /**
   * Tests that a simple request is routed by the front-controller correctly.
   */
  public function testSuccessfulFrontControllerRequest() : void {
    $module_path = $this->getModulePath('legacy_front_controller_test');
    $this->fileSystem
      ->copy($module_path . "/test_index.php.template", $module_path . "/test_index.php", FileExists::Replace);
    try {
      $this->drupalGet("{$this->baseUrl}/core/modules/system/tests/modules/legacy_front_controller_test/test_index.php/test");
    } finally {
      $this->fileSystem
        ->delete($module_path . "/test_index.php");
    }
    $this->assertSession()
      ->pageTextContains('Hello World');
  }

}