SystemTestController.php in Zircon Profile 8

Contains \Drupal\system_test\Controller\SystemTestController.

Namespace

Drupal\system_test\Controller

File

core/modules/system/tests/modules/system_test/src/Controller/SystemTestController.php

<?php

/**
 * @file
 * Contains \Drupal\system_test\Controller\SystemTestController.
 */
namespace Drupal\system_test\Controller;

use Drupal\Core\Access\AccessResult;
use Drupal\Core\Cache\CacheableResponse;
use Drupal\Core\Controller\ControllerBase;
use Drupal\Core\Render\RendererInterface;
use Drupal\Core\Render\Markup;
use Drupal\Core\Session\AccountInterface;
use Drupal\Core\Url;
use Symfony\Component\HttpFoundation\RedirectResponse;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Drupal\Core\Lock\LockBackendInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Controller routines for system_test routes.
 */
class SystemTestController extends ControllerBase {

  /**
   * The lock service.
   *
   * @var \Drupal\Core\Lock\LockBackendInterface
   */
  protected $lock;

  /**
   * The persistent lock service.
   *
   * @var \Drupal\Core\Lock\LockBackendInterface
   */
  protected $persistentLock;

  /**
   * The current user.
   *
   * @var \Drupal\Core\Session\AccountInterface
   */
  protected $currentUser;

  /**
   * The renderer.
   *
   * @var \Drupal\Core\Render\RendererInterface
   */
  protected $renderer;

  /**
   * Constructs the SystemTestController.
   *
   * @param \Drupal\Core\Lock\LockBackendInterface $lock
   *   The lock service.
   * @param \Drupal\Core\Lock\LockBackendInterface $persistent_lock
   *   The persistent lock service.
   * @param \Drupal\Core\Session\AccountInterface $current_user
   *   The current user.
   * @param \Drupal\Core\Render\RendererInterface $renderer
   *   The renderer.
   */
  public function __construct(LockBackendInterface $lock, LockBackendInterface $persistent_lock, AccountInterface $current_user, RendererInterface $renderer) {
    $this->lock = $lock;
    $this->persistentLock = $persistent_lock;
    $this->currentUser = $current_user;
    $this->renderer = $renderer;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container
      ->get('lock'), $container
      ->get('lock.persistent'), $container
      ->get('current_user'), $container
      ->get('renderer'));
  }

  /**
   * Tests main content fallback.
   *
   * @return string
   *   The text to display.
   */
  public function mainContentFallback() {
    return [
      '#markup' => $this
        ->t('Content to test main content fallback'),
    ];
  }

  /**
   * Tests setting messages and removing one before it is displayed.
   *
   * @return string
   *   Empty string, we just test the setting of messages.
   */
  public function drupalSetMessageTest() {

    // Set two messages.
    drupal_set_message('First message (removed).');
    drupal_set_message(t('Second message with <em>markup!</em> (not removed).'));

    // Remove the first.
    unset($_SESSION['messages']['status'][0]);

    // Duplicate message check.
    drupal_set_message('Non Duplicated message', 'status', FALSE);
    drupal_set_message('Non Duplicated message', 'status', FALSE);
    drupal_set_message('Duplicated message', 'status', TRUE);
    drupal_set_message('Duplicated message', 'status', TRUE);

    // Add a Markup message.
    drupal_set_message(Markup::create('Markup with <em>markup!</em>'));

    // Test duplicate Markup messages.
    drupal_set_message(Markup::create('Markup with <em>markup!</em>'));

    // Ensure that multiple Markup messages work.
    drupal_set_message(Markup::create('Markup2 with <em>markup!</em>'));

    // Test mixing of types.
    drupal_set_message(Markup::create('Non duplicate Markup / string.'));
    drupal_set_message('Non duplicate Markup / string.');
    drupal_set_message(Markup::create('Duplicate Markup / string.'), 'status', TRUE);
    drupal_set_message('Duplicate Markup / string.', 'status', TRUE);

    // Test auto-escape of non safe strings.
    drupal_set_message('<em>This<span>markup will be</span> escaped</em>.');
    return [];
  }

  /**
   * Controller to return $_GET['destination'] for testing.
   *
   * @param \Symfony\Component\HttpFoundation\Request $request
   *   The request.
   *
   * @return \Symfony\Component\HttpFoundation\Response
   *   The response.
   */
  public function getDestination(Request $request) {
    $response = new Response($request->query
      ->get('destination'));
    return $response;
  }

  /**
   * Controller to return $_REQUEST['destination'] for testing.
   *
   * @param \Symfony\Component\HttpFoundation\Request $request
   *   The request.
   *
   * @return \Symfony\Component\HttpFoundation\Response
   *   The response.
   */
  public function requestDestination(Request $request) {
    $response = new Response($request->request
      ->get('destination'));
    return $response;
  }

  /**
   * Try to acquire a named lock and report the outcome.
   */
  public function lockAcquire() {
    if ($this->lock
      ->acquire('system_test_lock_acquire')) {
      $this->lock
        ->release('system_test_lock_acquire');
      return [
        '#markup' => 'TRUE: Lock successfully acquired in \\Drupal\\system_test\\Controller\\SystemTestController::lockAcquire()',
      ];
    }
    else {
      return [
        '#markup' => 'FALSE: Lock not acquired in \\Drupal\\system_test\\Controller\\SystemTestController::lockAcquire()',
      ];
    }
  }

  /**
   * Try to acquire a specific lock, and then exit.
   */
  public function lockExit() {
    if ($this->lock
      ->acquire('system_test_lock_exit', 900)) {
      echo 'TRUE: Lock successfully acquired in \\Drupal\\system_test\\Controller\\SystemTestController::lockExit()';

      // The shut-down function should release the lock.
      exit;
    }
    else {
      return [
        '#markup' => 'FALSE: Lock not acquired in system_test_lock_exit()',
      ];
    }
  }

  /**
   * Creates a lock that will persist across requests.
   *
   * @param string $lock_name
   *   The name of the persistent lock to acquire.
   *
   * @return string
   *   The text to display.
   */
  public function lockPersist($lock_name) {
    if ($this->persistentLock
      ->acquire($lock_name)) {
      return [
        '#markup' => 'TRUE: Lock successfully acquired in SystemTestController::lockPersist()',
      ];
    }
    else {
      return [
        '#markup' => 'FALSE: Lock not acquired in SystemTestController::lockPersist()',
      ];
    }
  }

  /**
   * Set cache tag on on the returned render array.
   */
  public function system_test_cache_tags_page() {
    $build['main'] = array(
      '#cache' => array(
        'tags' => array(
          'system_test_cache_tags_page',
        ),
      ),
      '#pre_render' => array(
        '\\Drupal\\system_test\\Controller\\SystemTestController::preRenderCacheTags',
      ),
      'message' => array(
        '#markup' => 'Cache tags page example',
      ),
    );
    return $build;
  }

  /**
   * Set cache max-age on the returned render array.
   */
  public function system_test_cache_maxage_page() {
    $build['main'] = array(
      '#cache' => array(
        'max-age' => 90,
      ),
      'message' => array(
        '#markup' => 'Cache max-age page example',
      ),
    );
    return $build;
  }

  /**
   * Sets a cache tag on an element to help test #pre_render and cache tags.
   */
  public static function preRenderCacheTags($elements) {
    $elements['#cache']['tags'][] = 'pre_render';
    return $elements;
  }

  /**
   * Initialize authorize.php during testing.
   *
   * @see system_authorized_init().
   */
  public function authorizeInit($page_title) {
    $authorize_url = Url::fromUri('base:core/authorize.php', array(
      'absolute' => TRUE,
    ))
      ->toString();
    system_authorized_init('system_test_authorize_run', drupal_get_path('module', 'system_test') . '/system_test.module', array(), $page_title);
    return new RedirectResponse($authorize_url);
  }

  /**
   * Sets a header.
   */
  public function setHeader(Request $request) {
    $query = $request->query
      ->all();
    $response = new CacheableResponse();
    $response->headers
      ->set($query['name'], $query['value']);
    $response
      ->getCacheableMetadata()
      ->addCacheContexts([
      'url.query_args:name',
      'url.query_args:value',
    ]);
    $response
      ->setContent($this
      ->t('The following header was set: %name: %value', array(
      '%name' => $query['name'],
      '%value' => $query['value'],
    )));
    return $response;
  }

  /**
   * A simple page callback that uses a plain Symfony response object.
   */
  public function respondWithReponse(Request $request) {
    return new Response('test');
  }

  /**
   * A plain Symfony reponse with Cache-Control: public, max-age=60.
   */
  public function respondWithPublicResponse() {
    return (new Response('test'))
      ->setPublic()
      ->setMaxAge(60);
  }

  /**
   * A simple page callback that uses a CacheableResponse object.
   */
  public function respondWithCacheableReponse(Request $request) {
    return new CacheableResponse('test');
  }

  /**
   * A simple page callback which adds a register shutdown function.
   */
  public function shutdownFunctions($arg1, $arg2) {
    drupal_register_shutdown_function('_system_test_first_shutdown_function', $arg1, $arg2);

    // If using PHP-FPM then fastcgi_finish_request() will have been fired
    // preventing further output to the browser which means that the escaping of
    // the exception message can not be tested.
    // @see _drupal_shutdown_function()
    // @see \Drupal\system\Tests\System\ShutdownFunctionsTest
    if (function_exists('fastcgi_finish_request')) {
      return [
        '#markup' => 'The function fastcgi_finish_request exists when serving the request.',
      ];
    }
    return [];
  }

  /**
   * Returns the title for system_test.info.yml's configure route.
   *
   * @param string $foo
   *   Any string for the {foo} slug.
   *
   * @return string
   */
  public function configureTitle($foo) {
    return 'Bar.' . $foo;
  }

  /**
   * Shows permission-dependent content.
   *
   * @return array
   *   A render array.
   */
  public function permissionDependentContent() {
    $build = [];

    // The content depends on the access result.
    $access = AccessResult::allowedIfHasPermission($this->currentUser, 'pet llamas');
    $this->renderer
      ->addCacheableDependency($build, $access);

    // Build the content.
    if ($access
      ->isAllowed()) {
      $build['allowed'] = [
        '#markup' => 'Permission to pet llamas: yes!',
      ];
    }
    else {
      $build['forbidden'] = [
        '#markup' => 'Permission to pet llamas: no!',
      ];
    }
    return $build;
  }

}

Classes

Name	Description
SystemTestController	Controller routines for system_test routes.