require 'test_helper'

class UserStoriesTest < ActionController::IntegrationTest
  fixtures :products

  # A user goes to the index page. They select a product, adding it to their
  # cart, and check out, filling in their details on the checkout form. When
  # they submit, an order is created containing their information, along with a
  # single line item corresponding to the product they added to their cart.
  
  test "buying a product" do
    #START:setup
    LineItem.delete_all
    Order.delete_all
    ruby_book = products(:ruby)
    #END:setup

    #START:step1
    get "/"
    assert_response :success
    assert_template "index"
    #END:step1
    
    #START:step2
    xml_http_request :post, '/line_items', :product_id => ruby_book.id
    assert_response :success 
    
    cart = Cart.find(session[:cart_id])
    assert_equal 1, cart.line_items.size
    assert_equal ruby_book, cart.line_items[0].product
    #END:step2
    
    #START:step3
    get "/orders/new"
    assert_response :success
    assert_template "new"
    #END:step3
    
    #START:step4
    post_via_redirect "/orders",
                      :order => { :name     => "Dave Thomas",
                                 :address  => "123 The Street",
                                 :email    => "dave@example.com",
                                 :pay_type => "Check" }
    assert_response :success
    assert_template "index"
    cart = Cart.find(session[:cart_id])
    assert_equal 0, cart.line_items.size
    #END:step4
    
    #START:step5
    orders = Order.find(:all)
    assert_equal 1, orders.size
    order = orders[0]
    
    assert_equal "Dave Thomas",       order.name
    assert_equal "123 The Street",    order.address
    assert_equal "dave@example.com", order.email
    assert_equal "Check",             order.pay_type
    
    assert_equal 1, order.line_items.size
    line_item = order.line_items[0]
    assert_equal ruby_book, line_item.product
    #END:step5

    #START:step6
    mail = ActionMailer::Base.deliveries.last
    assert_equal ["dave@example.com"], mail.to
    assert_equal 'Sam Ruby <depot@example.com>', mail[:from].value
    assert_equal "Pragmatic Store Order Confirmation", mail.subject
    #END:step6
  end
end