class CommentDisplayConfigurableTest

class CommentDisplayConfigurableTest extends CommentTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'olivero';
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        // Allow anonymous users to see comments.
        user_role_grant_permissions(RoleInterface::ANONYMOUS_ID, [
            'access comments',
            'access content',
        ]);
    }
    
    /**
     * Sets base fields to configurable display and check settings are respected.
     */
    public function testDisplayConfigurable() {
        // Add a comment.
        $nid = $this->node
            ->id();
        
        /** @var \Drupal\comment\CommentInterface $comment */
        $comment = Comment::create([
            'entity_id' => $nid,
            'entity_type' => 'node',
            'field_name' => 'comment',
            'uid' => $this->webUser
                ->id(),
            'status' => CommentInterface::PUBLISHED,
            'subject' => $this->randomMachineName(),
            'language' => LanguageInterface::LANGCODE_NOT_SPECIFIED,
            'comment_body' => [
                LanguageInterface::LANGCODE_NOT_SPECIFIED => [
                    $this->randomMachineName(),
                ],
            ],
        ]);
        $comment->save();
        $assert = $this->assertSession();
        // Check the comment author with Drupal default non-configurable display.
        $this->drupalGet('node/' . $nid);
        $assert->elementExists('css', 'p.comment__author span');
        // Enable module to make base fields' displays configurable.
        \Drupal::service('module_installer')->install([
            'comment_display_configurable_test',
        ]);
        // Configure display.
        $display = EntityViewDisplay::load('comment.comment.default');
        $display->setComponent('uid', [
            'type' => 'entity_reference_label',
            'label' => 'above',
            'settings' => [
                'link' => FALSE,
            ],
        ])
            ->save();
        // Recheck the comment author with configurable display.
        $this->drupalGet('node/' . $nid);
        $assert->elementExists('css', '.field--name-uid .field__item');
        // Remove from display.
        $display->removeComponent('uid')
            ->removeComponent('created')
            ->save();
        $this->drupalGet('node/' . $this->node
            ->id());
        $assert->elementNotExists('css', '.field--name-uid .field__item');
    }

}