public function CommentNewIndicatorTest::testCommentNewCommentsIndicator in Drupal 8

Same name and namespace in other branches

1. 9 core/modules/comment/tests/src/Functional/CommentNewIndicatorTest.php \Drupal\Tests\comment\Functional\CommentNewIndicatorTest::testCommentNewCommentsIndicator()

Tests new comment marker.

File

core/modules/comment/tests/src/Functional/CommentNewIndicatorTest.php, line 58

Class

CommentNewIndicatorTest

Tests the 'new' indicator posted on comments.

Namespace

Drupal\Tests\comment\Functional

Code

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());
}