FilterSecurityKernelTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\filter\Kernel;

use Drupal\filter\Plugin\FilterInterface;
use Drupal\KernelTests\KernelTestBase;
use Drupal\filter\Entity\FilterFormat;
use PHPUnit\Framework\Attributes\Group;
use PHPUnit\Framework\Attributes\RunTestsInSeparateProcesses;

/**
 * Tests that security filters are enforced even when marked to be skipped.
 */
class FilterSecurityKernelTest extends KernelTestBase {
  
  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'filter',
  ];
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    // Create a dedicated text format for this test.
    FilterFormat::create([
      'format' => 'kernel_filtered_html',
      'name' => 'Kernel Filtered HTML',
      'filters' => [
        'filter_html' => [
          'status' => TRUE,
          'settings' => [
            'allowed_html' => '<p>',
          ],
        ],
      ],
    ])->save();
  }
  
  /**
   * Tests that security filters are enforced even when marked to be skipped.
   */
  public function testSkipSecurityFilters() : void {
    $text = "Text with some disallowed tags: <script />, <p><object>unicorn</object></p>, <i><table></i>.";
    $expected = "Text with some disallowed tags: , <p>unicorn</p>, .";
    $this->assertSame($expected, (string) check_markup($text, 'kernel_filtered_html', '', []), 'Expected filter result.');
    $this->assertSame($expected, (string) check_markup($text, 'kernel_filtered_html', '', [
      FilterInterface::TYPE_HTML_RESTRICTOR,
    ]), 'Expected filter result, even when trying to skip security filters.');
  }

}