public function CommentCSSTest::testCommentClasses in Drupal 8

Same name and namespace in other branches

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

Tests CSS classes on comments.

File

core/modules/comment/tests/src/Functional/CommentCSSTest.php, line 38

Class

CommentCSSTest

Tests CSS classes on comments.

Namespace

Drupal\Tests\comment\Functional

Code

public function testCommentClasses() {

  // Create all permutations for comments, users, and nodes.
  $parameters = [
    'node_uid' => [
      0,
      $this->webUser
        ->id(),
    ],
    'comment_uid' => [
      0,
      $this->webUser
        ->id(),
      $this->adminUser
        ->id(),
    ],
    'comment_status' => [
      CommentInterface::PUBLISHED,
      CommentInterface::NOT_PUBLISHED,
    ],
    'user' => [
      'anonymous',
      'authenticated',
      'admin',
    ],
  ];
  $permutations = $this
    ->generatePermutations($parameters);
  foreach ($permutations as $case) {

    // Create a new node.
    $node = $this
      ->drupalCreateNode([
      'type' => 'article',
      'uid' => $case['node_uid'],
    ]);

    // Add a comment.

    /** @var \Drupal\comment\CommentInterface $comment */
    $comment = Comment::create([
      'entity_id' => $node
        ->id(),
      'entity_type' => 'node',
      'field_name' => 'comment',
      'uid' => $case['comment_uid'],
      'status' => $case['comment_status'],
      'subject' => $this
        ->randomMachineName(),
      'language' => LanguageInterface::LANGCODE_NOT_SPECIFIED,
      'comment_body' => [
        LanguageInterface::LANGCODE_NOT_SPECIFIED => [
          $this
            ->randomMachineName(),
        ],
      ],
    ]);
    $comment
      ->save();

    // Adjust the current/viewing user.
    switch ($case['user']) {
      case 'anonymous':
        if ($this->loggedInUser) {
          $this
            ->drupalLogout();
        }
        $case['user_uid'] = 0;
        break;
      case 'authenticated':
        $this
          ->drupalLogin($this->webUser);
        $case['user_uid'] = $this->webUser
          ->id();
        break;
      case 'admin':
        $this
          ->drupalLogin($this->adminUser);
        $case['user_uid'] = $this->adminUser
          ->id();
        break;
    }

    // Request the node with the comment.
    $this
      ->drupalGet('node/' . $node
      ->id());
    $settings = $this
      ->getDrupalSettings();

    // Verify the data-history-node-id attribute, which is necessary for the
    // by-viewer class and the "new" indicator, see below.
    $this
      ->assertCount(1, $this
      ->xpath('//*[@data-history-node-id="' . $node
      ->id() . '"]'), 'data-history-node-id attribute is set on node.');

    // Verify classes if the comment is visible for the current user.
    if ($case['comment_status'] == CommentInterface::PUBLISHED || $case['user'] == 'admin') {

      // Verify the by-anonymous class.
      $comments = $this
        ->xpath('//*[contains(@class, "comment") and contains(@class, "by-anonymous")]');
      if ($case['comment_uid'] == 0) {
        $this
          ->assertCount(1, $comments, 'by-anonymous class found.');
      }
      else {
        $this
          ->assertCount(0, $comments, 'by-anonymous class not found.');
      }

      // Verify the by-node-author class.
      $comments = $this
        ->xpath('//*[contains(@class, "comment") and contains(@class, "by-node-author")]');
      if ($case['comment_uid'] > 0 && $case['comment_uid'] == $case['node_uid']) {
        $this
          ->assertCount(1, $comments, 'by-node-author class found.');
      }
      else {
        $this
          ->assertCount(0, $comments, 'by-node-author class not found.');
      }

      // Verify the data-comment-user-id attribute, which is used by the
      // drupal.comment-by-viewer library to add a by-viewer when the current
      // user (the viewer) was the author of the comment. We do this in Java-
      // Script to prevent breaking the render cache.
      $this
        ->assertCount(1, $this
        ->xpath('//*[contains(@class, "comment") and @data-comment-user-id="' . $case['comment_uid'] . '"]'), 'data-comment-user-id attribute is set on comment.');
      $this
        ->assertRaw(drupal_get_path('module', 'comment') . '/js/comment-by-viewer.js', 'drupal.comment-by-viewer library is present.');
    }

    // Verify the unpublished class.
    $comments = $this
      ->xpath('//*[contains(@class, "comment") and contains(@class, "unpublished")]');
    if ($case['comment_status'] == CommentInterface::NOT_PUBLISHED && $case['user'] == 'admin') {
      $this
        ->assertCount(1, $comments, 'unpublished class found.');
    }
    else {
      $this
        ->assertCount(0, $comments, 'unpublished class not found.');
    }

    // Verify the data-comment-timestamp attribute, which is used by the
    // drupal.comment-new-indicator library to add a "new" indicator to each
    // comment that was created or changed after the last time the current
    // user read the corresponding node.
    if ($case['comment_status'] == CommentInterface::PUBLISHED || $case['user'] == 'admin') {
      $this
        ->assertCount(1, $this
        ->xpath('//*[contains(@class, "comment")]/*[@data-comment-timestamp="' . $comment
        ->getChangedTime() . '"]'), 'data-comment-timestamp attribute is set on comment');
      $expectedJS = $case['user'] !== 'anonymous';
      $this
        ->assertIdentical($expectedJS, isset($settings['ajaxPageState']['libraries']) && in_array('comment/drupal.comment-new-indicator', explode(',', $settings['ajaxPageState']['libraries'])), 'drupal.comment-new-indicator library is present.');
    }
  }
}