CKEditor5ValidationTestTrait.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\ckeditor5\Traits;

use Drupal\ckeditor5\Plugin\Editor\CKEditor5;
use Drupal\editor\Entity\Editor;
use Drupal\filter\Entity\FilterFormat;
use Symfony\Component\Validator\ConstraintViolation;

/**
 * Provides methods to test CKEditor 5 validation.
 */
trait CKEditor5ValidationTestTrait {
  
  /**
   * Asserts CKEditor5 validation errors match an expected array of strings.
   */
  protected function assertExpectedCkeditor5Violations(array $expected = []) : void {
    $this->assertSame($expected, array_map(static fn(ConstraintViolation $v) => (string) $v->getMessage(), iterator_to_array(CKEditor5::validatePair(Editor::load('test_format'), FilterFormat::load('test_format')))));
  }

}