public function ClaroVerticalTabsTest::testVerticalTabs in Drupal 9

Confirms that Claro can render vertical tabs correctly.

File

core/tests/Drupal/KernelTests/Core/Theme/ClaroVerticalTabsTest.php, line 23

Class

ClaroVerticalTabsTest

Confirms that Claro can render vertical tabs correctly.

Namespace

Drupal\KernelTests\Core\Theme

Code

public function testVerticalTabs() {

  // Enable the Claro theme.
  \Drupal::service('theme_installer')
    ->install([
    'claro',
  ]);
  $this
    ->config('system.theme')
    ->set('default', 'claro')
    ->save();
  $form = [
    '#parents' => [],
    '#array_parents' => [],
    '#tree' => FALSE,
  ];
  $form['vertical_tabs'] = [
    '#type' => 'vertical_tabs',
    '#title' => 'Vertical Tabs',
  ];
  $form['vertical_tabs_details'] = [
    '#type' => 'details',
    '#title' => 'Details',
    '#group' => 'vertical_tabs',
  ];

  // Needs to be rendered after the vertical tabs.
  $form['container'] = [
    '#type' => 'container',
    '#title' => 'Container',
  ];
  $form['container_details'] = [
    '#type' => 'details',
    '#title' => 'Details',
    '#group' => 'container',
  ];

  /** @var \Drupal\Core\Form\FormBuilderInterface $form_builder */
  $form_builder = $this->container
    ->get('form_builder');
  $form_state = new FormState();
  $form_builder
    ->doBuildForm('form', $form, $form_state);
  $this
    ->render($form);

  // Assert that the vertical tab details has the appropriate class.
  $this
    ->assertCount(1, $this
    ->cssSelect('.vertical-tabs__items details.vertical-tabs__item'));

  // Assert that there is a details element.
  $this
    ->assertCount(1, $this
    ->cssSelect('#edit-container-details'));

  // Assert that details element doesn't have the vertical tab classes.
  $this
    ->assertCount(0, $this
    ->cssSelect('#edit-container-details.vertical-tabs__item'));
}