Hide wrapped exception, too

lib/open_food_network/cached_products_renderer.rb

@@ -6,6 +6,8 @@ require 'open_food_network/products_renderer'
 
 module OpenFoodNetwork
   class CachedProductsRenderer
+    class NoProducts < Exception; end
+
     def initialize(distributor, order_cycle)
       @distributor = distributor
       @order_cycle = order_cycle
@@ -22,7 +24,7 @@ module OpenFoodNetwork
         end
       end
 
-      raise ProductsRenderer::NoProducts.new if products_json.nil?
+      raise NoProducts.new if products_json.nil?
 
       products_json
     end

spec/lib/open_food_network/cached_products_renderer_spec.rb

@@ -19,7 +19,7 @@ module OpenFoodNetwork
 
       it "raises an exception when there are no products" do
         Rails.cache.write "products-json-#{distributor.id}-#{order_cycle.id}", nil
-        expect { cpr.products_json }.to raise_error ProductsRenderer::NoProducts
+        expect { cpr.products_json }.to raise_error CachedProductsRenderer::NoProducts
       end
     end
 
@@ -52,18 +52,18 @@ module OpenFoodNetwork
         before { cpr.stub(:uncached_products_json).and_raise ProductsRenderer::NoProducts }
 
         it "raises an error" do
-          expect { cpr.products_json }.to raise_error ProductsRenderer::NoProducts
+          expect { cpr.products_json }.to raise_error CachedProductsRenderer::NoProducts
         end
 
         it "caches the products as nil" do
-          expect { cpr.products_json }.to raise_error ProductsRenderer::NoProducts
+          expect { cpr.products_json }.to raise_error CachedProductsRenderer::NoProducts
           expect(cache_present).to be
           expect(cached_json).to be_nil
         end
 
         it "logs a warning" do
           cpr.should_receive :log_warning
-          expect { cpr.products_json }.to raise_error ProductsRenderer::NoProducts
+          expect { cpr.products_json }.to raise_error CachedProductsRenderer::NoProducts
         end
       end
     end