dish_spec.rb

# == Schema Information
#
# Table name: dishes
#
#  id               :integer          not null, primary key
#  name             :string
#  category_id      :integer
#  description      :string
#  small_size_price :decimal(, )
#  large_size_price :decimal(, )
#  created_at       :datetime         not null
#  updated_at       :datetime         not null
#
# Indexes
#
#  index_dishes_on_category_id  (category_id)
#

require 'rails_helper'

RSpec.describe Dish, type: :model do
  describe "Model" do
    it { should be_a ActiveRecord::Base }
    it { should belong_to(:category) }
    it { should validate_presence_of(:name) }

    it "generic factory should be valid" do
      dish = FactoryGirl.create(:dish)
      expect(dish).to be_valid
    end

    context "model validations" do

      it "is invalid without a name" do
        dishNoName = FactoryGirl.build(:dish, name: nil)
        expect(dishNoName).to_not be_valid
      end

      it "is invalid with an unknown category" do
        dishNoCategtory = FactoryGirl.build(:dish, category_id: nil)
        expect(dishNoCategtory).to_not be_valid
      end

      it "is valid with a large_size_price " do
        dish = FactoryGirl.build(:dish)
        expect(dish).to be_valid
      end

      it "is invalid without a large_size_price " do
        dish = FactoryGirl.build(:dish, large_size_price: nil)
        expect(dish).to_not be_valid
      end

      context "when multi_size is true" do
        it "is valid with a small_size_price " do
          dishMStrue = FactoryGirl.build(:dish_mstc, small_size_price: 9.99)
          expect(dishMStrue).to be_valid
        end
        it "is invalid without a small_size_price " do
          dishMStrue = FactoryGirl.build(:dish_mstc, small_size_price: nil)
          expect(dishMStrue).to_not be_valid
        end

      end
    end

  end
end