Agile Web Development with Rails, Edition 4

9.4 Playtime

Once again, get the tests working, and add tests for the smarter cart.

See that the tests fail.

rake test

Loaded suite /home/rubys/.rvm/gems/ruby-1.8.7-p352/gems/rake-0.9.2.2/lib/rake/rake_test_loader

Started

.....

Finished in 0.316023 seconds.

5 tests, 23 assertions, 0 failures, 0 errors

Loaded suite /home/rubys/.rvm/gems/ruby-1.8.7-p352/gems/rake-0.9.2.2/lib/rake/rake_test_loader

Started

.......E..............

Finished in 0.940112 seconds.

  1) Error:

test_should_create_line_item(LineItemsControllerTest):

ActiveRecord::RecordNotFound: Couldn't find Product without an ID

    app/controllers/line_items_controller.rb:46:in `create'

    test/functional/line_items_controller_test.rb:21:in `test_should_create_line_item'

    test/functional/line_items_controller_test.rb:20:in `test_should_create_line_item'

22 tests, 33 assertions, 0 failures, 1 errors

Errors running test:functionals! #<RuntimeError: Command failed with status (1): [/home/rubys/.rvm/rubies/ruby-1.8.7-p352/bi...]>

Update parameters passed as well as expected target of redirect

edit test/functional/line_items_controller_test.rb

  test "should create line_item" do

    assert_difference('LineItem.count') do

      post :create, :product_id => products(:ruby).id

end

    assert_redirected_to cart_path(assigns(:line_item).cart)

end

rake test

Loaded suite /home/rubys/.rvm/gems/ruby-1.8.7-p352/gems/rake-0.9.2.2/lib/rake/rake_test_loader

Started

.....

Finished in 0.443183 seconds.

5 tests, 23 assertions, 0 failures, 0 errors

Loaded suite /home/rubys/.rvm/gems/ruby-1.8.7-p352/gems/rake-0.9.2.2/lib/rake/rake_test_loader

Started

......................

Finished in 1.148496 seconds.

22 tests, 35 assertions, 0 failures, 0 errors