FormElementLabelTest.php in Drupal 10

Namespace

Drupal\Tests\system\Kernel\Form

File

core/modules/system/tests/src/Kernel/Form/FormElementLabelTest.php

<?php

namespace Drupal\Tests\system\Kernel\Form;

use Drupal\KernelTests\KernelTestBase;
use Symfony\Component\CssSelector\CssSelectorConverter;

/**
 * Tests for form_element_label theme hook.
 *
 * @group Form
 */
class FormElementLabelTest extends KernelTestBase {

  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'system',
  ];

  /**
   * Ensures that attributes can be placed for form element label.
   */
  public function testAttributes() {
    $render_array = [
      '#type' => 'label',
      '#attributes' => [
        'class' => [
          'kitten',
        ],
      ],
      '#title' => 'Kittens',
      '#title_display' => 'above',
    ];
    $css_selector_converter = new CssSelectorConverter();
    $this
      ->render($render_array);
    $elements = $this
      ->xpath($css_selector_converter
      ->toXPath('.kitten'));
    $this
      ->assertCount(1, $elements);

    // Add label attributes to a form element.
    $render_array = [
      '#type' => 'textfield',
      '#label_attributes' => [
        'class' => [
          'meow',
        ],
      ],
      '#title' => 'Kitten sounds',
    ];
    $this
      ->render($render_array);
    $elements = $this
      ->xpath($css_selector_converter
      ->toXPath('label.meow'));
    $this
      ->assertCount(1, $elements);
  }

}

Classes

Name	Description
FormElementLabelTest	Tests for form_element_label theme hook.