CommentNewIndicatorTest.php in Drupal 8

Namespace

Drupal\Tests\comment\Functional

File

core/modules/comment/tests/src/Functional/CommentNewIndicatorTest.php

<?php

namespace Drupal\Tests\comment\Functional;

use Drupal\Component\Serialization\Json;
use Drupal\Core\Language\LanguageInterface;
use Drupal\comment\CommentInterface;
use Drupal\Core\Url;
use Drupal\comment\Entity\Comment;

/**
 * Tests the 'new' indicator posted on comments.
 *
 * @group comment
 */
class CommentNewIndicatorTest extends CommentTestBase {

  /**
   * Use the main node listing to test rendering on teasers.
   *
   * @var array
   *
   * @todo Remove this dependency.
   */
  public static $modules = [
    'views',
  ];

  /**
   * {@inheritdoc}
   */
  protected $defaultTheme = 'stark';

  /**
   * Get node "x new comments" metadata from the server for the current user.
   *
   * @param array $node_ids
   *   An array of node IDs.
   *
   * @return \Psr\Http\Message\ResponseInterface
   *   The HTTP response.
   */
  protected function renderNewCommentsNodeLinks(array $node_ids) {
    $client = $this
      ->getHttpClient();
    $url = Url::fromRoute('comment.new_comments_node_links');
    return $client
      ->request('POST', $this
      ->buildUrl($url), [
      'cookies' => $this
        ->getSessionCookies(),
      'http_errors' => FALSE,
      'form_params' => [
        'node_ids' => $node_ids,
        'field_name' => 'comment',
      ],
    ]);
  }

  /**
   * Tests new comment marker.
   */
  public function testCommentNewCommentsIndicator() {

    // Test if the right links are displayed when no comment is present for the
    // node.
    $this
      ->drupalLogin($this->adminUser);
    $this
      ->drupalGet('node');
    $this
      ->assertSession()
      ->linkNotExists(t('@count comments', [
      '@count' => 0,
    ]));
    $this
      ->assertSession()
      ->linkExists(t('Read more'));

    // Verify the data-history-node-last-comment-timestamp attribute, which is
    // used by the drupal.node-new-comments-link library to determine whether
    // a "x new comments" link might be necessary or not. We do this in
    // JavaScript to prevent breaking the render cache.
    $this
      ->assertCount(0, $this
      ->xpath('//*[@data-history-node-last-comment-timestamp]'), 'data-history-node-last-comment-timestamp attribute is not set.');

    // Create a new comment. This helper function may be run with different
    // comment settings so use $comment->save() to avoid complex setup.

    /** @var \Drupal\comment\CommentInterface $comment */
    $comment = Comment::create([
      'cid' => NULL,
      'entity_id' => $this->node
        ->id(),
      'entity_type' => 'node',
      'field_name' => 'comment',
      'pid' => 0,
      'uid' => $this->loggedInUser
        ->id(),
      'status' => CommentInterface::PUBLISHED,
      'subject' => $this
        ->randomMachineName(),
      'hostname' => '127.0.0.1',
      'langcode' => LanguageInterface::LANGCODE_NOT_SPECIFIED,
      'comment_body' => [
        LanguageInterface::LANGCODE_NOT_SPECIFIED => [
          $this
            ->randomMachineName(),
        ],
      ],
    ]);
    $comment
      ->save();
    $this
      ->drupalLogout();

    // Log in with 'web user' and check comment links.
    $this
      ->drupalLogin($this->webUser);
    $this
      ->drupalGet('node');

    // Verify the data-history-node-last-comment-timestamp attribute. Given its
    // value, the drupal.node-new-comments-link library would determine that the
    // node received a comment after the user last viewed it, and hence it would
    // perform an HTTP request to render the "new comments" node link.
    $this
      ->assertCount(1, $this
      ->xpath('//*[@data-history-node-last-comment-timestamp="' . $comment
      ->getChangedTime() . '"]'), 'data-history-node-last-comment-timestamp attribute is set to the correct value.');
    $this
      ->assertCount(1, $this
      ->xpath('//*[@data-history-node-field-name="comment"]'), 'data-history-node-field-name attribute is set to the correct value.');

    // The data will be pre-seeded on this particular page in drupalSettings, to
    // avoid the need for the client to make a separate request to the server.
    $settings = $this
      ->getDrupalSettings();
    $this
      ->assertEqual($settings['history'], [
      'lastReadTimestamps' => [
        1 => 0,
      ],
    ]);
    $this
      ->assertEqual($settings['comment'], [
      'newCommentsLinks' => [
        'node' => [
          'comment' => [
            1 => [
              'new_comment_count' => 1,
              'first_new_comment_link' => Url::fromRoute('entity.node.canonical', [
                'node' => 1,
              ])
                ->setOptions([
                'fragment' => 'new',
              ])
                ->toString(),
            ],
          ],
        ],
      ],
    ]);

    // Pretend the data was not present in drupalSettings, i.e. test the
    // separate request to the server.
    $response = $this
      ->renderNewCommentsNodeLinks([
      $this->node
        ->id(),
    ]);
    $this
      ->assertSame(200, $response
      ->getStatusCode());
    $json = Json::decode($response
      ->getBody());
    $expected = [
      $this->node
        ->id() => [
        'new_comment_count' => 1,
        'first_new_comment_link' => $this->node
          ->toUrl('canonical', [
          'fragment' => 'new',
        ])
          ->toString(),
      ],
    ];
    $this
      ->assertIdentical($expected, $json);

    // Failing to specify node IDs for the endpoint should return a 404.
    $response = $this
      ->renderNewCommentsNodeLinks([]);
    $this
      ->assertSame(404, $response
      ->getStatusCode());

    // Accessing the endpoint as the anonymous user should return a 403.
    $this
      ->drupalLogout();
    $response = $this
      ->renderNewCommentsNodeLinks([
      $this->node
        ->id(),
    ]);
    $this
      ->assertSame(403, $response
      ->getStatusCode());
    $response = $this
      ->renderNewCommentsNodeLinks([]);
    $this
      ->assertSame(403, $response
      ->getStatusCode());
  }

}

Classes

Name	Description
CommentNewIndicatorTest	Tests the 'new' indicator posted on comments.