add specs

spec/factories/group_order.rb

@@ -5,5 +5,6 @@ FactoryBot.define do
   factory :group_order do
     ordergroup { create(:user, groups: [FactoryBot.create(:ordergroup)]).ordergroup }
     updated_by { create(:user) }
+    order
   end
 end

spec/factories/multi_group_order.rb

@@ -0,0 +1,8 @@
+require 'factory_bot'
+
+FactoryBot.define do
+  factory :multi_group_order do
+    group_orders { [create(:group_order)] }
+    association :multi_order
+  end
+end

spec/factories/multi_order.rb

@@ -0,0 +1,21 @@
+require 'factory_bot'
+
+FactoryBot.define do
+  factory :multi_order do
+    transient do
+      orders { [create(:order, state: 'closed')] }
+    end
+
+    after(:build) do |multi_order, evaluator|
+      # Assign orders before validation so custom validations can see them
+      multi_order.orders = evaluator.orders
+    end
+
+    after(:create) do |multi_order, _evaluator|
+      # Persist the relationship by updating the orders (if needed)
+      multi_order.orders.each do |order|
+        order.update!(multi_order: multi_order)
+      end
+    end
+  end
+end

spec/factories/ordergroup_invoice.rb

@@ -0,0 +1,8 @@
+require 'factory_bot'
+
+FactoryBot.define do
+  factory :ordergroup_invoice do
+    multi_group_order { create :multi_group_order }
+    after(:build) { |ogi| ogi.init }
+  end
+end