protected function _setup_data()
 {
     //need to figure out the running total for test purposes so... we're going to create a temp cart and add the tickets to it!
     EE_Registry::instance()->SSN->clear_session(__CLASS__, __FUNCTION__);
     $cart = EE_Cart::reset();
     //add tickets to cart
     foreach ($this->tickets as $ticket) {
         $cart->add_ticket_to_cart($ticket['ticket']);
     }
     //setup txn property
     $this->txn = EE_Transaction::new_instance(array('TXN_timestamp' => time(), 'TXN_total' => 0, 'TXN_paid' => 0, 'STS_ID' => EEM_Transaction::incomplete_status_code, 'TXN_session_data' => NULL, 'TXN_hash_salt' => NULL, 'TXN_ID' => 999999));
     //setup reg_objects
     //note we're setting up a reg object for each attendee in each event but ALSO adding to the reg_object array.
     $this->reg_objs = array();
     $regid = 9999990;
     foreach ($this->_attendees as $key => $attendee) {
         //note we need to setup reg_objects for each event this attendee belongs to
         $regatt = $attendee['att_obj']->ID();
         $regtxn = $this->txn->ID();
         $regcnt = 1;
         foreach ($attendee['line_ref'] as $evtid) {
             foreach ($this->_events[$evtid]['tkt_objs'] as $ticket) {
                 $reg_array = array('EVT_ID' => $evtid, 'ATT_ID' => $regatt, 'TXN_ID' => $regtxn, 'TKT_ID' => $ticket->ID(), 'STS_ID' => EEM_Registration::status_id_pending_payment, 'REG_date' => time(), 'REG_final_price' => $ticket->get('TKT_price'), 'REG_session' => 'dummy_session_id', 'REG_code' => $regid . '-dummy-generated-code', 'REG_url_link' => $regcnt . '-daafpapasdlfakasdfpqasdfasdf', 'REG_count' => $regcnt, 'REG_group_size' => $this->_events[$evtid]['total_attendees'], 'REG_att_is_going' => TRUE, 'REG_ID' => $regid);
                 $REG_OBJ = EE_Registration::new_instance($reg_array);
                 $this->_attendees[$key]['reg_objs'][$regid] = $REG_OBJ;
                 $this->_events[$evtid]['reg_objs'][] = $REG_OBJ;
                 $this->reg_objs[] = $REG_OBJ;
                 $this->tickets[$ticket->ID()]['reg_objs'][$regid] = $REG_OBJ;
                 $regcnt++;
                 $regid++;
             }
         }
     }
     //setup line items!
     EE_Registry::instance()->load_helper('Line_Item');
     $line_item_total = EEH_Line_Item::create_total_line_item($this->txn);
     //add tickets
     foreach ($this->tickets as $tktid => $item) {
         $qty = $item['count'];
         $ticket = $item['ticket'];
         EEH_Line_Item::add_ticket_purchase($line_item_total, $ticket, $qty);
     }
     $shipping_line_item = EE_Line_Item::new_instance(array('LIN_name' => __('Shipping Surcharge', 'event_espresso'), 'LIN_desc' => __('Sent via Millenium Falcon', 'event_espresso'), 'LIN_unit_price' => 20, 'LIN_quantity' => 1, 'LIN_is_taxable' => TRUE, 'LIN_total' => 20, 'LIN_type' => EEM_Line_Item::type_line_item));
     EEH_Line_Item::add_item($line_item_total, $shipping_line_item);
     $this->additional_line_items = array($shipping_line_item);
     //now let's add taxes
     EEH_Line_Item::apply_taxes($line_item_total);
     //now we should be able to get the items we need from this object
     $event_line_items = EEH_Line_Item::get_pre_tax_subtotal($line_item_total)->children();
     $line_items = array();
     foreach ($event_line_items as $line_id => $line_item) {
         if (!$line_item instanceof EE_Line_Item || $line_item->OBJ_type() !== 'Event') {
             continue;
         }
         $ticket_line_items = EEH_Line_Item::get_ticket_line_items($line_item);
         foreach ($ticket_line_items as $ticket_line_id => $ticket_line_item) {
             if (!$ticket_line_item instanceof EE_Line_Item) {
                 continue;
             }
             $this->tickets[$ticket_line_item->OBJ_ID()]['line_item'] = $ticket_line_item;
             $this->tickets[$ticket_line_item->OBJ_ID()]['sub_line_items'] = $ticket_line_item->children();
             $line_items[$ticket_line_item->ID()]['children'] = $ticket_line_item->children();
             $line_items[$ticket_line_item->ID()]['EE_Ticket'] = $this->tickets[$ticket_line_item->OBJ_ID()]['ticket'];
         }
     }
     $this->line_items_with_children = $line_items;
     $this->tax_line_items = $line_item_total->tax_descendants();
     //add proper total to transaction object.
     $grand_total = $line_item_total->recalculate_total_including_taxes();
     $this->grand_total_line_item = $line_item_total;
     $this->txn->set_total($grand_total);
     //add additional details for each registration
     foreach ($this->reg_objs as $reg) {
         $this->_registrations[$reg->ID()]['tkt_obj'] = $this->tickets[$reg->get('TKT_ID')]['ticket'];
         $this->_registrations[$reg->ID()]['evt_obj'] = $this->_events[$reg->get('EVT_ID')]['event'];
         $this->_registrations[$reg->ID()]['reg_obj'] = $reg;
         $this->_registrations[$reg->ID()]['ans_objs'] = $this->_attendees[$reg->get('ATT_ID')]['ans_objs'];
         $this->_registrations[$reg->ID()]['att_obj'] = $this->_attendees[$reg->get('ATT_ID')]['att_obj'];
         $this->_registrations[$reg->ID()]['dtt_objs'] = $this->tickets[$reg->get('TKT_ID')]['dtt_objs'];
     }
     //events and attendees
     $this->events = $this->_events;
     $this->attendees = $this->_attendees;
     $this->registrations = $this->_registrations;
     $attendees_to_shift = $this->_attendees;
     //setup primary attendee property
     $this->primary_attendee_data = array('fname' => $this->_attendees[999999991]['att_obj']->fname(), 'lname' => $this->_attendees[999999991]['att_obj']->lname(), 'email' => $this->_attendees[999999991]['att_obj']->email(), 'att_obj' => $this->_attendees[999999991]['att_obj'], 'reg_obj' => array_shift($attendees_to_shift[999999991]['reg_objs']));
     //reg_info property
     //note this isn't referenced by any shortcode parsers so we'll ignore for now.
     $this->reg_info = array();
     //let's set a reg_obj for messengers expecting one.
     $this->reg_obj = array_pop($this->_attendees[999999991]['reg_objs']);
     //the below are just dummy items.
     $this->user_id = 1;
     $this->ip_address = '192.0.2.1';
     $this->user_agent = '';
     $this->init_access = time();
     $this->last_access = time();
 }