Add tests for barcode controller

spec/controllers/barcodes_controller_spec.rb

@@ -0,0 +1,72 @@
+#      product_barcodes POST     /products/:product_id/barcodes(.:format) barcodes#create
+#              barcodes GET      /barcodes(.:format)                      barcodes#index
+#               barcode GET      /barcodes/:id(.:format)                  barcodes#show
+#                       DELETE   /barcodes/:id(.:format)                  barcodes#destroy
+#
+
+describe BarcodesController, type: :controller do
+  before :each do
+    @product = create :product
+    @admin = create :admin
+    sign_in @admin
+  end
+
+  ##########
+  #  POST  #
+  ##########
+
+  describe 'POST create' do
+    context 'successful' do
+      it 'should create a barcode' do
+        expect{
+          post :create, product_id: @product, barcode: attributes_for(:barcode)
+        }.to change{ Barcode.count }.by(1)
+      end
+    end
+
+    context 'failed' do
+      it 'should not create a barcode' do
+        expect{
+          post :create, product_id: @product, barcode: attributes_for(:invalid_barcode)
+        }.to_not change{ Barcode.count }
+      end
+    end
+  end
+
+  ###########
+  #  INDEX  #
+  ###########
+
+  describe 'GET index' do
+    it 'should load all the barcodes' do
+      barcode = create :barcode
+      get :index
+      expect(assigns(:barcodes)).to eq([barcode])
+    end
+  end
+
+  ##########
+  #  SHOW  #
+  ##########
+
+  describe 'GET show' do
+    before :each do
+      @barcode = create :barcode
+    end
+
+    it 'should load the correct barcode' do
+      get :show, id: @barcode
+      expect(assigns(:barcode)).to eq(@barcode)
+    end
+
+    it 'should allow friendly id' do
+      get :show, id: @barcode.code
+      expect(assigns(:barcode)).to eq(@barcode)
+    end
+
+    it 'should respond with this barcode' do
+      get :show, id: @barcode
+      expect(response.body).to eq @barcode.product.to_json
+    end
+  end
+end

spec/controllers/products_controller_spec.rb

@@ -13,12 +13,12 @@ describe ProductsController, type: :controller do
     sign_in @admin
   end
 
-  ##########
-  #  POST  #
-  ##########
+  ############
+  #  CREATE  #
+  ############
 
   describe 'POST create' do
-    context 'successfull' do
+    context 'successful' do
       it 'should create a product' do
         expect{
           post :create, product: attributes_for(:product)
@@ -35,7 +35,7 @@ describe ProductsController, type: :controller do
       it 'should not create a product' do
         expect{
           post :create, product: attributes_for(:invalid_product)
-        }.to_not change{Product.count}
+        }.to_not change{ Product.count}
       end
 
       it 'should render form' do

spec/factories/barcodes.rb

@@ -13,5 +13,9 @@ FactoryGirl.define do
   factory :barcode do
     product
     sequence :code
+
+    factory :invalid_barcode do
+      code nil
+    end
   end
 end