Cartalyst\Sentinel\Users\EloquentUser::generatePersistenceCode PHP Method

    public function generatePersistenceCode()
    {
        return str_random(32);
    }

 public function testGeneratePersistenceCode()
 {
     $user = new EloquentUser();
     $this->assertEquals(32, strlen($user->generatePersistenceCode()));
 }