AjaxResponseTest.php in Drupal 8

Namespace

Drupal\Tests\Core\Ajax

File

core/tests/Drupal/Tests/Core/Ajax/AjaxResponseTest.php

<?php

namespace Drupal\Tests\Core\Ajax;

use Drupal\Core\Ajax\AjaxResponse;
use Drupal\Core\EventSubscriber\AjaxResponseSubscriber;
use Drupal\Tests\UnitTestCase;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpKernel\Event\FilterResponseEvent;
use Symfony\Component\HttpKernel\HttpKernelInterface;

/**
 * @coversDefaultClass \Drupal\Core\Ajax\AjaxResponse
 * @group Ajax
 */
class AjaxResponseTest extends UnitTestCase {

  /**
   * The tested ajax response object.
   *
   * @var \Drupal\Core\Ajax\AjaxResponse
   */
  protected $ajaxResponse;
  protected function setUp() {
    $this->ajaxResponse = new AjaxResponse();
  }

  /**
   * Tests the add and getCommands method.
   *
   * @see \Drupal\Core\Ajax\AjaxResponse::addCommand()
   * @see \Drupal\Core\Ajax\AjaxResponse::getCommands()
   */
  public function testCommands() {
    $command_one = $this
      ->createMock('Drupal\\Core\\Ajax\\CommandInterface');
    $command_one
      ->expects($this
      ->once())
      ->method('render')
      ->will($this
      ->returnValue([
      'command' => 'one',
    ]));
    $command_two = $this
      ->createMock('Drupal\\Core\\Ajax\\CommandInterface');
    $command_two
      ->expects($this
      ->once())
      ->method('render')
      ->will($this
      ->returnValue([
      'command' => 'two',
    ]));
    $command_three = $this
      ->createMock('Drupal\\Core\\Ajax\\CommandInterface');
    $command_three
      ->expects($this
      ->once())
      ->method('render')
      ->will($this
      ->returnValue([
      'command' => 'three',
    ]));
    $this->ajaxResponse
      ->addCommand($command_one);
    $this->ajaxResponse
      ->addCommand($command_two);
    $this->ajaxResponse
      ->addCommand($command_three, TRUE);

    // Ensure that the added commands are in the right order.
    $commands =& $this->ajaxResponse
      ->getCommands();
    $this
      ->assertSame([
      'command' => 'one',
    ], $commands[1]);
    $this
      ->assertSame([
      'command' => 'two',
    ], $commands[2]);
    $this
      ->assertSame([
      'command' => 'three',
    ], $commands[0]);

    // Remove one and change one element from commands and ensure the reference
    // worked as expected.
    unset($commands[2]);
    $commands[0]['class'] = 'test-class';
    $commands = $this->ajaxResponse
      ->getCommands();
    $this
      ->assertSame([
      'command' => 'one',
    ], $commands[1]);
    $this
      ->assertFalse(isset($commands[2]));
    $this
      ->assertSame([
      'command' => 'three',
      'class' => 'test-class',
    ], $commands[0]);
  }

  /**
   * Tests the support for IE specific headers in file uploads.
   *
   * @cover ::prepareResponse
   */
  public function testPrepareResponseForIeFormRequestsWithFileUpload() {
    $request = Request::create('/example', 'POST');
    $request->headers
      ->set('Accept', 'text/html');
    $response = new AjaxResponse([]);
    $response->headers
      ->set('Content-Type', 'application/json; charset=utf-8');
    $ajax_response_attachments_processor = $this
      ->createMock('\\Drupal\\Core\\Render\\AttachmentsResponseProcessorInterface');
    $subscriber = new AjaxResponseSubscriber($ajax_response_attachments_processor);
    $event = new FilterResponseEvent($this
      ->createMock('\\Symfony\\Component\\HttpKernel\\HttpKernelInterface'), $request, HttpKernelInterface::MASTER_REQUEST, $response);
    $subscriber
      ->onResponse($event);
    $this
      ->assertEquals('text/html; charset=utf-8', $response->headers
      ->get('Content-Type'));
    $this
      ->assertEquals($response
      ->getContent(), '<textarea>[]</textarea>');
  }

}

Classes

Name	Description
AjaxResponseTest	@coversDefaultClass \Drupal\Core\Ajax\AjaxResponse @group Ajax