zf2 test code for factory

interface Links{
   /* return $links as array of links */
   public function getLinks($links= array());

}

class RouterManager implements Links{
    public function __construct($hostName){
     $redirectTo = $hostName."Controller";
     return $redirectTo;
  }

    public function getLinks($links= array()){
        //all URI parsing operations to get the host name. Use foreach for the $links and return the host name
     return  $links;
    }
}
use RouterManager;
class HostnameFinder{
     protected $toRedirect = null;
     public function __construct (Links $links,$inputLink){ // Dependency Injection
        $toRedirect = $links->getLinks("set of links");
        return new RouterManager( $toRedirect );
     }
}