class CommentRssTest

class CommentRssTest extends CommentTestBase {
  use AssertPageCacheContextsAndTagsTrait;
  
  /**
   * Modules to install.
   *
   * @var array
   */
  protected static $modules = [
    'views',
  ];
  
  /**
   * {@inheritdoc}
   */
  protected $defaultTheme = 'stark';
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    // Setup the rss view display.
    EntityViewDisplay::create([
      'status' => TRUE,
      'targetEntityType' => 'node',
      'bundle' => 'article',
      'mode' => 'rss',
      'content' => [
        'links' => [
          'weight' => 100,
        ],
      ],
    ])->save();
  }
  
  /**
   * Tests comments as part of an RSS feed.
   */
  public function testCommentRss() {
    // Find comment in RSS feed.
    $this->drupalLogin($this->webUser);
    $this->postComment($this->node, $this->randomMachineName(), $this->randomMachineName());
    $this->drupalGet('rss.xml');
    $cache_contexts = [
      'languages:language_interface',
      'theme',
      'url.site',
      'user.node_grants:view',
      'user.permissions',
      'timezone',
    ];
    $this->assertCacheContexts($cache_contexts);
    $cache_context_tags = \Drupal::service('cache_contexts_manager')->convertTokensToKeys($cache_contexts)
      ->getCacheTags();
    $this->assertCacheTags(Cache::mergeTags($cache_context_tags, [
      'config:views.view.frontpage',
      'node:1',
      'node_list',
      'node_view',
      'user:3',
    ]));
    $raw = '<comments>' . $this->node
      ->toUrl('canonical', [
      'fragment' => 'comments',
      'absolute' => TRUE,
    ])
      ->toString() . '</comments>';
    $this->assertSession()
      ->responseContains($raw);
    // Hide comments from RSS feed and check presence.
    $this->node
      ->set('comment', CommentItemInterface::HIDDEN);
    $this->node
      ->save();
    $this->drupalGet('rss.xml');
    $this->assertSession()
      ->responseNotContains($raw);
  }

}