Fall back to givin product id w/o retail variant

app/services/fdc_offer_broker.rb

@@ -40,6 +40,9 @@ class FdcOfferBroker
 
   def wholesale_to_retail(wholesale_product_id)
     production_flow = flow_producing(wholesale_product_id)
+
+    return RetailSolution.new(wholesale_product_id, 1) if production_flow.nil?
+
     consumption_flow = catalog_item(
       production_flow.semanticId.sub("AsPlannedProductionFlow", "AsPlannedConsumptionFlow")
     )

spec/services/fdc_offer_broker_spec.rb

@@ -4,7 +4,9 @@ require 'spec_helper'
 
 RSpec.describe FdcOfferBroker do
   subject { FdcOfferBroker.new(catalog) }
-  let(:catalog) { BackorderJob.load_catalog(user, urls) }
+  let(:catalog) {
+    VCR.use_cassette(:fdc_catalog) { BackorderJob.load_catalog(user, urls) }
+  }
   let(:urls) { FdcUrlBuilder.new(product_link) }
   let(:product_link) {
     "https://env-0105831.jcloud-ver-jpe.ik-server.com/api/dfc/Enterprises/test-hodmedod/SuppliedProducts/44519466467635"
@@ -15,7 +17,7 @@ RSpec.describe FdcOfferBroker do
   }
 
   describe ".best_offer" do
-    it "finds a linked wholesale offer", vcr: true do
+    it "finds a linked wholesale offer" do
       solution = subject.best_offer(product.semanticId)
 
       # These values depend on the test data but are a good sanity check:
@@ -25,7 +27,7 @@ RSpec.describe FdcOfferBroker do
       expect(solution.offer.offeredItem).to eq solution.product
     end
 
-    it "falls back to the original product offer", vcr: true do
+    it "falls back to the original product offer" do
       solution = subject.best_offer(product.semanticId)
       fallback_solution = subject.best_offer(solution.product.semanticId)
 
@@ -35,4 +37,21 @@ RSpec.describe FdcOfferBroker do
       expect(fallback_solution.offer.offeredItem).to eq fallback_solution.product
     end
   end
+
+  describe ".wholesale_to_retail" do
+    it "finds a linked retail offer" do
+      offer_solution = subject.best_offer(product.semanticId)
+      retail_solution = subject.wholesale_to_retail(offer_solution.product.semanticId)
+
+      expect(retail_solution.retail_product_id).to eq product.semanticId
+      expect(retail_solution.factor).to eq 12
+    end
+
+    it "falls back to the wholesale product id" do
+      retail_solution = subject.wholesale_to_retail(product.semanticId)
+
+      expect(retail_solution.retail_product_id).to eq product.semanticId
+      expect(retail_solution.factor).to eq 1
+    end
+  end
 end