Import DFC unit labels like bunch and jar

engines/dfc_provider/app/services/quantitative_value_builder.rb

@@ -108,7 +108,10 @@ class QuantitativeValueBuilder < DfcBuilder
     when quantity_unit.DOZEN
       ["items", "dozen", 12]
     else
-      ["items", "items", 1]
+      # Labels may be provided one day:
+      # https://github.com/datafoodconsortium/connector-ruby/issues/18
+      label = unit.semanticId.split("#").last || "items"
+      ["items", label, 1]
     end
   end
 end

engines/dfc_provider/spec/services/quantitative_value_builder_spec.rb

@@ -57,7 +57,7 @@ describe QuantitativeValueBuilder do
       builder.apply(quantity, product)
 
       expect(product.variant_unit).to eq "items"
-      expect(product.variant_unit_name).to eq "items"
+      expect(product.variant_unit_name).to eq "Jar"
       expect(product.variant_unit_scale).to eq 1
       expect(product.unit_value).to eq 3
     end