JSON api serializers for suppliers

spec/serializers/users/order_serializer_spec.rb

@@ -0,0 +1,21 @@
+require 'spec_helper'
+
+describe Users::OrderSerializer, type: :serializer do
+  it "does not perform extra queries" do
+    l = create :list
+    o1 = create :order, list: l
+    create :product_order, order: o1
+    create :product_order, order: o1
+    o2 = create :order, list: l
+    create :product_order, order: o2
+    create :product_order, order: o2
+    list = List.find(l.id)
+    orders = list.orders.include_relation(:product_orders)
+    #expect{ object_as_json orders }.not_to exceed_query_limit 0
+    result = nil
+    expect{ result = JSONAPI::Serializer.serialize(orders, serializer: described_class, include: 'product_orders', is_collection: true)}.not_to perform_any_queries
+    binding.pry
+    result[:included].size.should eq 4
+  end
+
+end