www.aleph1.co.uk Git - yaffs-website/blob - web/core/tests/Drupal/KernelTests/Core/Form/FormCacheTest.php

   1 <?php
   2
   3 namespace Drupal\KernelTests\Core\Form;
   4
   5 use Drupal\Core\Form\FormState;
   6 use Drupal\Core\Session\AnonymousUserSession;
   7 use Drupal\Core\Session\UserSession;
   8 use Drupal\KernelTests\KernelTestBase;
   9
  10 /**
  11  * Tests \Drupal::formBuilder()->setCache() and
  12  * \Drupal::formBuilder()->getCache().
  13  *
  14  * @group Form
  15  */
  16 class FormCacheTest extends KernelTestBase {
  17
  18   /**
  19    * Modules to enable.
  20    *
  21    * @var array
  22    */
  23   public static $modules = ['system', 'user'];
  24
  25   /**
  26    * @var string
  27    */
  28   protected $formBuildId;
  29
  30   /**
  31    * @var array
  32    */
  33   protected $form;
  34
  35   /**
  36    * @var array
  37    */
  38   protected $formState;
  39
  40   protected function setUp() {
  41     parent::setUp();
  42     $this->installSchema('system', ['key_value_expire']);
  43
  44     $this->formBuildId = $this->randomMachineName();
  45     $this->form = [
  46       '#property' => $this->randomMachineName(),
  47     ];
  48     $this->formState = new FormState();
  49     $this->formState->set('example', $this->randomMachineName());
  50   }
  51
  52   /**
  53    * Tests the form cache with a logged-in user.
  54    */
  55   public function testCacheToken() {
  56     \Drupal::currentUser()->setAccount(new UserSession(['uid' => 1]));
  57     \Drupal::formBuilder()->setCache($this->formBuildId, $this->form, $this->formState);
  58
  59     $cached_form_state = new FormState();
  60     $cached_form = \Drupal::formBuilder()->getCache($this->formBuildId, $cached_form_state);
  61     $this->assertEqual($this->form['#property'], $cached_form['#property']);
  62     $this->assertTrue(!empty($cached_form['#cache_token']), 'Form has a cache token');
  63     $this->assertEqual($this->formState->get('example'), $cached_form_state->get('example'));
  64
  65     // Test that the form cache isn't loaded when the session/token has changed.
  66     // Change the private key. (We cannot change the session ID because this
  67     // will break the parent site test runner batch.)
  68     \Drupal::state()->set('system.private_key', 'invalid');
  69     $cached_form_state = new FormState();
  70     $cached_form = \Drupal::formBuilder()->getCache($this->formBuildId, $cached_form_state);
  71     $this->assertFalse($cached_form, 'No form returned from cache');
  72     $cached_form_state_example = $cached_form_state->get('example');
  73     $this->assertTrue(empty($cached_form_state_example));
  74
  75     // Test that loading the cache with a different form_id fails.
  76     $wrong_form_build_id = $this->randomMachineName(9);
  77     $cached_form_state = new FormState();
  78     $this->assertFalse(\Drupal::formBuilder()->getCache($wrong_form_build_id, $cached_form_state), 'No form returned from cache');
  79     $cached_form_state_example = $cached_form_state->get('example');
  80     $this->assertTrue(empty($cached_form_state_example), 'Cached form state was not loaded');
  81   }
  82
  83   /**
  84    * Tests the form cache without a logged-in user.
  85    */
  86   public function testNoCacheToken() {
  87     // Switch to a anonymous user account.
  88     $account_switcher = \Drupal::service('account_switcher');
  89     $account_switcher->switchTo(new AnonymousUserSession());
  90
  91     $this->formState->set('example', $this->randomMachineName());
  92     \Drupal::formBuilder()->setCache($this->formBuildId, $this->form, $this->formState);
  93
  94     $cached_form_state = new FormState();
  95     $cached_form = \Drupal::formBuilder()->getCache($this->formBuildId, $cached_form_state);
  96     $this->assertEqual($this->form['#property'], $cached_form['#property']);
  97     $this->assertTrue(empty($cached_form['#cache_token']), 'Form has no cache token');
  98     $this->assertEqual($this->formState->get('example'), $cached_form_state->get('example'));
  99
 100     // Restore user account.
 101     $account_switcher->switchBack();
 102   }
 103
 104 }