require "minitest/autorun"

require "shop.rb"
require "product.rb"

class ShopTest < Minitest::Test
  def setup
    @shop = Shop.new
  end

  def test_adding_a_product
    pico = Product.new(id: 'PICO2', price: 4.00)
    @shop.add_product(pico)

    assert_equal [pico], @shop.products
  end

  def test_duplicate_product_id_raises_an_error
    @shop.add_product(Product.new(id: 'PICO2'))

    assert_raises Shop::DuplicateProductIdError do
     @shop.add_product(Product.new(id: 'PICO2'))
    end
  end
end