class NodeContextualLinksTest

class NodeContextualLinksTest extends NodeTestBase {
  
  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'contextual',
  ];
  
  /**
   * {@inheritdoc}
   */
  protected $defaultTheme = 'stark';
  
  /**
   * Tests contextual links.
   */
  public function testNodeContextualLinks() {
    // Create a node item.
    $node = Node::create([
      'type' => 'article',
      'title' => 'Unnamed',
    ]);
    $node->save();
    $user = $this->drupalCreateUser([
      'administer nodes',
      'access contextual links',
    ]);
    $this->drupalLogin($user);
    $this->drupalGet('node/' . $node->id());
    $this->assertSession()
      ->elementAttributeContains('css', 'div[data-contextual-id]', 'data-contextual-id', 'node:node=' . $node->id() . ':');
  }

}