MetadataBagTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\Core\Session;

use Drupal\Core\Session\MetadataBag;
use Drupal\Core\Site\Settings;
use Drupal\Tests\UnitTestCase;
use PHPUnit\Framework\Attributes\CoversClass;
use PHPUnit\Framework\Attributes\Group;

/**
 * Tests Drupal\Core\Session\MetadataBag.
 */
class MetadataBagTest extends UnitTestCase {
  
  /**
   * Tests stamp new.
   *
   * @legacy-covers ::stampNew
   */
  public function testStampNew() : void {
    $metadata = new MetadataBag(new Settings([]));
    $metadata->setCsrfTokenSeed('a_cryptographically_secure_long_random_string_should_used_here');
    $metadata->stampNew();
    $this->assertNotEquals('a_cryptographically_secure_long_random_string_should_used_here', $metadata->getCsrfTokenSeed());
  }

}