Refresh products cache when taxons or classifications are changed or destroyed

spec/models/spree/classification_spec.rb

@@ -2,8 +2,8 @@ require 'spec_helper'
 
 module Spree
   describe Classification do
-    let(:product) { create(:simple_product) }
-    let(:taxon) { create(:taxon) }
+    let!(:product) { create(:simple_product) }
+    let!(:taxon) { create(:taxon) }
     let(:classification) { create(:classification, taxon: taxon, product: product) }
 
     it "won't destroy if classification is the primary taxon" do
@@ -11,5 +11,18 @@ module Spree
       classification.destroy.should be_false
       classification.errors.messages[:base].should == ["Taxon #{taxon.name} is the primary taxon of #{product.name} and cannot be deleted"]
     end
+
+    describe "callbacks" do
+      it "refreshes the products cache on save" do
+        expect(OpenFoodNetwork::ProductsCache).to receive(:product_changed).with(product)
+        classification
+      end
+
+      it "refreshes the products cache on destroy" do
+        classification
+        expect(OpenFoodNetwork::ProductsCache).to receive(:product_changed).with(product)
+        classification.destroy
+      end
+    end
   end
 end

spec/models/spree/taxon_spec.rb

@@ -7,6 +7,21 @@ module Spree
     let(:t1) { create(:taxon) }
     let(:t2) { create(:taxon) }
 
+    describe "callbacks" do
+      let(:product) { create(:simple_product, taxons: [t1]) }
+
+      it "refreshes the products cache on save" do
+        expect(OpenFoodNetwork::ProductsCache).to receive(:product_changed).with(product)
+        t1.name = 'asdf'
+        t1.save
+      end
+
+      it "refreshes the products cache on destroy" do
+        expect(OpenFoodNetwork::ProductsCache).to receive(:product_changed).with(product)
+        t1.destroy
+      end
+    end
+
     describe "finding all supplied taxons" do
       let!(:p1) { create(:simple_product, supplier: e, taxons: [t1, t2]) }