barcode model test

app/controllers/barcodes_controller.rb

@@ -1,6 +1,7 @@
 class BarcodesController < ApplicationController
   load_and_authorize_resource :product, only: :create
   load_and_authorize_resource :barcode, through: :product, shallow: true
+
   def create
     @barcode.save
     redirect_to barcode_products_path, notice: "Barcode successfully linked!"

app/models/barcode.rb

@@ -15,6 +15,6 @@ class Barcode < ActiveRecord::Base
 
   belongs_to :product
 
-  # validates :product, presence: true
+  validates :product, presence: true
   validates :code, presence: true, uniqueness: true
 end

spec/models/barcode_spec.rb

@@ -23,5 +23,12 @@ describe Barcode do
         expect(barcode).to_not be_valid
       end
     end
+
+    describe 'product' do
+      it 'should be present' do
+        @barcode.product = nil
+        expect(@barcode).to_not be_valid
+      end
+    end
   end
 end