AjaxFormPageCacheTest.php in Zircon Profile 8

Contains \Drupal\system\Tests\Ajax\AjaxFormPageCacheTest.

Namespace

Drupal\system\Tests\Ajax

File

core/modules/system/src/Tests/Ajax/AjaxFormPageCacheTest.php

<?php

/**
 * @file
 * Contains \Drupal\system\Tests\Ajax\AjaxFormPageCacheTest.
 */
namespace Drupal\system\Tests\Ajax;


/**
 * Performs tests on AJAX forms in cached pages.
 *
 * @group Ajax
 */
class AjaxFormPageCacheTest extends AjaxTestBase {

  /**
   * {@inheritdoc}
   */
  public function setUp() {
    parent::setUp();
    $config = $this
      ->config('system.performance');
    $config
      ->set('cache.page.max_age', 300);
    $config
      ->save();
  }

  /**
   * Return the build id of the current form.
   */
  protected function getFormBuildId() {
    $build_id_fields = $this
      ->xpath('//input[@name="form_build_id"]');
    $this
      ->assertEqual(count($build_id_fields), 1, 'One form build id field on the page');
    return (string) $build_id_fields[0]['value'];
  }

  /**
   * Create a simple form, then submit the form via AJAX to change to it.
   */
  public function testSimpleAJAXFormValue() {
    $this
      ->drupalGet('ajax_forms_test_get_form');
    $this
      ->assertEqual($this
      ->drupalGetHeader('X-Drupal-Cache'), 'MISS', 'Page was not cached.');
    $build_id_initial = $this
      ->getFormBuildId();
    $edit = [
      'select' => 'green',
    ];
    $commands = $this
      ->drupalPostAjaxForm(NULL, $edit, 'select');
    $build_id_first_ajax = $this
      ->getFormBuildId();
    $this
      ->assertNotEqual($build_id_initial, $build_id_first_ajax, 'Build id is changed in the simpletest-DOM on first AJAX submission');
    $expected = [
      'command' => 'update_build_id',
      'old' => $build_id_initial,
      'new' => $build_id_first_ajax,
    ];
    $this
      ->assertCommand($commands, $expected, 'Build id change command issued on first AJAX submission');
    $edit = [
      'select' => 'red',
    ];
    $commands = $this
      ->drupalPostAjaxForm(NULL, $edit, 'select');
    $build_id_second_ajax = $this
      ->getFormBuildId();
    $this
      ->assertNotEqual($build_id_first_ajax, $build_id_second_ajax, 'Build id changes on subsequent AJAX submissions');
    $expected = [
      'command' => 'update_build_id',
      'old' => $build_id_first_ajax,
      'new' => $build_id_second_ajax,
    ];
    $this
      ->assertCommand($commands, $expected, 'Build id change command issued on subsequent AJAX submissions');

    // Repeat the test sequence but this time with a page loaded from the cache.
    $this
      ->drupalGet('ajax_forms_test_get_form');
    $this
      ->assertEqual($this
      ->drupalGetHeader('X-Drupal-Cache'), 'HIT', 'Page was cached.');
    $build_id_from_cache_initial = $this
      ->getFormBuildId();
    $this
      ->assertEqual($build_id_initial, $build_id_from_cache_initial, 'Build id is the same as on the first request');
    $edit = [
      'select' => 'green',
    ];
    $commands = $this
      ->drupalPostAjaxForm(NULL, $edit, 'select');
    $build_id_from_cache_first_ajax = $this
      ->getFormBuildId();
    $this
      ->assertNotEqual($build_id_from_cache_initial, $build_id_from_cache_first_ajax, 'Build id is changed in the simpletest-DOM on first AJAX submission');
    $this
      ->assertNotEqual($build_id_first_ajax, $build_id_from_cache_first_ajax, 'Build id from first user is not reused');
    $expected = [
      'command' => 'update_build_id',
      'old' => $build_id_from_cache_initial,
      'new' => $build_id_from_cache_first_ajax,
    ];
    $this
      ->assertCommand($commands, $expected, 'Build id change command issued on first AJAX submission');
    $edit = [
      'select' => 'red',
    ];
    $commands = $this
      ->drupalPostAjaxForm(NULL, $edit, 'select');
    $build_id_from_cache_second_ajax = $this
      ->getFormBuildId();
    $this
      ->assertNotEqual($build_id_from_cache_first_ajax, $build_id_from_cache_second_ajax, 'Build id changes on subsequent AJAX submissions');
    $expected = [
      'command' => 'update_build_id',
      'old' => $build_id_from_cache_first_ajax,
      'new' => $build_id_from_cache_second_ajax,
    ];
    $this
      ->assertCommand($commands, $expected, 'Build id change command issued on subsequent AJAX submissions');
  }

  /**
   * Tests a form that uses an #ajax callback.
   *
   * @see \Drupal\system\Tests\Ajax\ElementValidationTest::testAjaxElementValidation()
   */
  public function testAjaxElementValidation() {
    $edit = [
      'drivertext' => t('some dumb text'),
    ];
    $this
      ->drupalPostAjaxForm('ajax_validation_test', $edit, 'drivertext');
  }

}

Classes

Name	Description
AjaxFormPageCacheTest	Performs tests on AJAX forms in cached pages.