Add tests for orders and products

test/models/order_product_test.rb

@@ -1,17 +0,0 @@
-# == Schema Information
-#
-# Table name: order_products
-#
-#  id         :integer          not null, primary key
-#  order_id   :integer
-#  product_id :integer
-#  count      :integer          default(1)
-#
-
-require 'test_helper'
-
-class OrderProductTest < ActiveSupport::TestCase
-  # test "the truth" do
-  #   assert true
-  # end
-end

test/models/order_test.rb

@@ -12,10 +12,17 @@
 require 'test_helper'
 
 class OrderTest < ActiveSupport::TestCase
+  def setup
+    @order = Order.new
+    @order.order_items.build(product: products(:fanta), count: 1)
+    @order.order_items.build(product: products(:bueno), count: 2)
+  end
+
   test "order total price is correct" do
-    o = Order.new
-    o.order_items.build(product: products(:fanta), count: 1)
-    o.order_items.build(product: products(:bueno), count: 2)
-    assert_equal o.price, 300
+    assert_equal @order.price, 300
+  end
+
+  test "to_sentence is correct" do
+    assert_equal @order.to_sentence, "1 Fanta and 2 Kinder Buenos"
   end
 end

test/models/product_test.rb

@@ -18,7 +18,15 @@
 require 'test_helper'
 
 class ProductTest < ActiveSupport::TestCase
-  # test "the truth" do
-  #   assert true
-  # end
+  test "price behaves correctly" do
+    p = products(:fanta)
+
+    assert_equal p.price_cents, 60
+    assert_equal p.price, 0.6
+
+    p.price = 1.3
+
+    assert_equal p.price, 1.3
+    assert_equal p.price_cents, 130
+  end
 end