test/unit/cart_test.rb

   1 require 'test_helper'
   2
   3 class CartTest < ActiveSupport::TestCase
   4
   5   fixtures :products
   6
   7   def setup
   8     @cart = Cart.new
   9     @rails = products(:rails_book)
  10     @ruby = products(:ruby_book)
  11   end
  12
  13   def test_add_unique_products
  14     @cart.add_product @rails
  15     @cart.add_product @ruby
  16     assert_equal 2, @cart.items.size
  17     assert_equal @rails.price + @ruby.price, @cart.total_price
  18   end
  19
  20   def test_add_duplicate_product
  21     @cart.add_product @rails
  22     @cart.add_product @rails
  23     assert_equal 2*@rails.price, @cart.total_price
  24     assert_equal 1, @cart.items.size
  25     assert_equal 2, @cart.items[0].quantity
  26   end
  27
  28 end