test/unit/product_test.rb

   1 require 'test_helper'
   2
   3 class ProductTest < ActiveSupport::TestCase
   4
   5   fixtures :products
   6
   7   test "Invalid with empty attributes" do
   8     product = Product.new
   9     assert !product.valid?
  10     assert product.errors.invalid?(:title)
  11     assert product.errors.invalid?(:description)
  12     assert product.errors.invalid?(:price)
  13     assert product.errors.invalid?(:image_url)
  14   end
  15
  16   test "positive price" do
  17     product = Product.new(:title => "My Book Title" ,
  18       :description => "yyy" ,
  19       :image_url => "zzz.jpg" )
  20     product.price = -1
  21     assert !product.valid?
  22     assert_equal "should be at least 0.01" , product.errors.on(:price)
  23     product.price = 0
  24     assert !product.valid?
  25     assert_equal "should be at least 0.01" , product.errors.on(:price)
  26     product.price = 1
  27     assert product.valid?
  28   end
  29
  30   test "image url" do
  31     ok = %w{ fred.gif fred.jpg fred.png FRED.JPG FRED.Jpg http://a.b.c/x/y/z/fred.gif }
  32     bad = %w{ fred.doc fred.gif/more fred.gif.more }
  33     ok.each do |name|
  34       product = Product.new(:title => "My Book Title" ,
  35         :description => "yyy" ,
  36         :price => 1,
  37         :image_url => name)
  38       assert product.valid?, product.errors.full_messages
  39     end
  40     bad.each do |name|
  41       product = Product.new(:title => "My Book Title" ,
  42         :description => "yyy" ,
  43         :price => 1,
  44         :image_url => name)
  45       assert !product.valid?, "saving #{name}"
  46     end
  47   end
  48
  49   test "unique title" do
  50     product = Product.new(:title => products(:ruby_book).title,
  51       :description => "yyy" ,
  52       :price => 1,
  53       :image_url => "fred.gif" )
  54     assert !product.save
  55     assert_equal I18n.translate('activerecord.errors.messages.taken'), product.errors.on(:title)
  56   end
  57
  58 end