class LogoutFinalizerTest

class LogoutFinalizerTest extends KernelTestBase {
  use UserCreationTrait;
  
  /**
   * The test user ID.
   */
  protected int|string|null $testUserId;
  
  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'system',
    'user',
    'user_hooks_test',
  ];
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $this->installEntitySchema('user');
  }
  
  /**
   * Tests logout.
   */
  public function testLogout() : void {
    // Create a user.
    $user = $this->createUser();
    // Create a mock session manager.
    $sessionManager = $this->createMock(SessionManagerInterface::class);
    $sessionManager->expects($this->once())
      ->method('destroy');
    $this->container
      ->set('session_manager', $sessionManager);
    // Log the user in first.
    $this->container
      ->get(LoginFinalizer::class)
      ->finalizeLogin($user);
    // Handle the logout.
    $this->container
      ->get(LogoutFinalizer::class)
      ->finalizeLogout();
    // Assert our user logout hook was called.
    $this->assertEquals($user->id(), $this->testUserId);
    // Assert the session is now anonymous.
    /** @var \Drupal\Core\Session\AccountProxyInterface $accountProxy */
    $accountProxy = $this->container
      ->get('current_user');
    $this->assertInstanceOf(AnonymousUserSession::class, $accountProxy->getAccount());
  }
  
  /**
   * Implements hook_user_logout().
   *
   * @param \Drupal\Core\Session\AccountInterface $account
   *   The account that just logged out.
   */
  public function userLogout(AccountInterface $account) : void {
    if (!isset($this->testUserId)) {
      $this->testUserId = $account->id();
    }
  }

}