+########################################
+# time recording, linked with order_id
+########################################
+$part = new_service(partnumber => 'Serv1', unit => 'Std')->save;
+$customer = new_customer()->save;
+
+# sales order with globalproject_id
+$sales_order = create_sales_order(
+ save => 1,
+ customer => $customer,
+ taxincluded => 0,
+ orderitems => [ create_order_item(part => $part, qty => 3, sellprice => 70), ]
+);
+
+@time_recordings = ();
+push @time_recordings, new_time_recording(
+ start_time => DateTime->new(year => 2021, month => 4, day => 19, hour => 10, minute => 5),
+ end_time => DateTime->new(year => 2021, month => 4, day => 19, hour => 11, minute => 5),
+ customer => $customer,
+ order => $sales_order,
+ part => $part,
+)->save;
+
+%data = (
+ link_order => 1,
+ from_date => '01.04.2021',
+ to_date => '30.04.2021',
+);
+$db_obj = SL::DB::BackgroundJob->new();
+$db_obj->set_data(%data);
+$job = SL::BackgroundJob::ConvertTimeRecordings->new;
+$ret = $job->run($db_obj);
+
+is_deeply($job->{job_errors}, [], 'no errros');
+like($ret, qr{^Number of delivery orders created: 1}, 'linked by order_id: one delivery order created');
+
+$linked_dos = $sales_order->linked_records(to => 'DeliveryOrder');
+is(scalar @$linked_dos, 1, 'linked by order_id: one delivery order linked to order');
+
+$linked_items = $sales_order->items->[0]->linked_records(to => 'DeliveryOrderItem');
+is(scalar @$linked_items, 1, 'linked by order_id: one delivery order item linked to order item');
+is($linked_items->[0]->qty*1, 1, 'linked by order_id: qty in delivery order');
+is($linked_items->[0]->base_qty*1, 1, 'linked by order_id: base_qty in delivery order');
+
+# reload order and orderitems to get changes to deliverd and ship
+Rose::DB::Object::Helpers::forget_related($sales_order, 'orderitems');
+$sales_order->load;
+
+is($sales_order->items->[0]->ship*1, 1, 'linked by order_id: ship in related order');
+
+clear_up();
+
+