function CommentInterfaceTest::testViewMode

Tests the comment formatter configured with a custom comment view mode.

File

core/modules/comment/tests/src/Functional/CommentInterfaceTest.php, line 312

Class

CommentInterfaceTest

Tests comment user interfaces.

Namespace

Code

public function testViewMode() : void {
  $this->drupalLogin($this->webUser);
  $this->drupalGet($this->node
    ->toUrl());
  $comment_text = $this->randomMachineName();
  // Post a comment.
  $this->postComment($this->node, $comment_text);
  // Comment displayed in 'default' display mode found and has body text.
  $comment_element = $this->cssSelect('#comment-1');
  $this->assertNotEmpty($comment_element);
  $this->assertSession()
    ->responseContains('<p>' . $comment_text . '</p>');
  // Create a new comment entity view mode.
  $mode = $this->randomMachineName();
  EntityViewMode::create([
    'targetEntityType' => 'comment',
    'id' => "comment.{$mode}",
    'label' => 'Comment test',
  ])->save();
  // Create the corresponding entity view display for article node-type. Note
  // that this new view display mode doesn't contain the comment body.
  EntityViewDisplay::create([
    'targetEntityType' => 'comment',
    'bundle' => 'comment',
    'mode' => $mode,
  ])->setStatus(TRUE)
    ->save();
  /** @var \Drupal\Core\Entity\Display\EntityViewDisplayInterface $node_display */
  $node_display = EntityViewDisplay::load('node.article.default');
  $formatter = $node_display->getComponent('comment');
  // Change the node comment field formatter to use $mode mode instead of
  // 'default' mode.
  $formatter['settings']['view_mode'] = $mode;
  $node_display->setComponent('comment', $formatter)
    ->save();
  // Reloading the node page to show the same node with its same comment but
  // with a different display mode.
  $this->drupalGet($this->node
    ->toUrl());
  // The comment should exist but without the body text because we used $mode
  // mode this time.
  $comment_element = $this->cssSelect('#comment-1');
  $this->assertNotEmpty($comment_element);
  $this->assertSession()
    ->responseNotContains('<p>' . $comment_text . '</p>');
}