FEATURE: Autolinking to category using hashtags.

spec/controllers/list_controller_spec.rb

@@ -83,6 +83,26 @@ describe ListController do
         it { is_expected.to respond_with(:success) }
       end
 
+      context 'with a link that has a parent slug, slug and id in its path' do
+        let(:child_category) { Fabricate(:category, parent_category: category) }
+
+        context "with valid slug" do
+          before do
+            xhr :get, :category_latest, parent_category: category.slug, category: child_category.slug, id: child_category.id
+          end
+
+          it { is_expected.to redirect_to(child_category.url) }
+        end
+
+        context "with invalid slug" do
+          before do
+            xhr :get, :category_latest, parent_category: 'random slug', category: 'random slug', id: child_category.id
+          end
+
+          it { is_expected.to redirect_to(child_category.url) }
+        end
+      end
+
       context 'another category exists with a number at the beginning of its name' do
         # One category has another category's id at the beginning of its name
         let!(:other_category) { Fabricate(:category, name: "#{category.id} name") }