/**
  * Ensure we populate these fields before a save.
  */
 public function onBeforeWrite()
 {
     // Run other beforewrites first.
     parent::onBeforeWrite();
     if (!$this->isBrowser()) {
         return false;
     }
     // If this is the first save...
     if (!$this->ID) {
         // Ensure the session exists before querying it.
         if (!Session::request_contains_session_id()) {
             Session::start();
         }
         // Store the sesion and has information in the database.
         $this->SessionID = SecurityToken::getSecurityID();
         if (is_null($this->SessionID)) {
             return false;
         }
         $gen = new RandomGenerator();
         $uniqueurl = substr($gen->randomToken(), 0, 32);
         while (ShortList::get()->filter('URL', $uniqueurl)->count() > 0) {
             $uniqueurl = substr($gen->randomToken(), 0, 32);
         }
         $this->URL = $uniqueurl;
         $this->UserAgent = Controller::curr()->getRequest()->getHeader('User-Agent');
     }
 }
 public function testShortlistCreation()
 {
     $shortlists = ShortList::get();
     $this->get('shortlist');
     $this->assertNotEquals($shortlists->Count(), 0);
 }