Problem z testem integracyjnym

kod

[code]require “#{File.dirname(FILE)}/…/test_helper”

class UserStoriesTest < ActionController::IntegrationTest
fixtures :products

def test_truth
assert true
end
def test_buying_a_product

LineItem.delete_all
Order.delete_all
ruby_book = products(:ruby_book)

get "/store/index"
assert_response :success
assert_template "index"

xml_http_request "/store/add_to_cart", :id => ruby_book.id
assert_response :success
cart = session[:cart]
assert_equal 1, cart.items.size
assert_equal ruby_book, cart.items[0].product

post "/store/checkout"
assert_response :success
assert_template "checkout"

do tego mijesca wszystko OK

post_via_redirect "/store/save_order",
            :order => {:name => "adam",
            :address => "ul.szeroka 12",
            :email => "jasiu@wp.pl",
            :pay_type => "check"}
assert_response :success
assert_template "index"
assert_equal 0, session[:cart].items.size

orders = Order.find(:all)
assert_equal 1, orders.size
order = orders[0]
assert_equal "adam", order.name
assert_equal "ul.szeroka 12", order.address
assert_equal "jasiu@wp.pl", 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

end[/code]
Metoda save_order:

def save_order @cart = find_cart @order = Order.new(params[:order]) @order.add_line_items_from_cart(@cart) if @order.save session[:cart] = nil redirect_to_index("Dziękujemy za złożenie zamówienia") else render :action => :checkout end end
Komunikat błedu :

Expected response to be <:success>, but was <500>

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Patrz w logi

dzięki seban za info - znalazłem co bylo nie tak.