DistroPropaganda/code/rails31/depot_q/test/functional/line_items_controller_test.rb

#---
# Excerpted from "Agile Web Development with Rails",
# published by The Pragmatic Bookshelf.
# Copyrights apply to this code. It may not be used to create training material,
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# We make no guarantees that this code is fit for any purpose.
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#---
require 'test_helper'

class LineItemsControllerTest < ActionController::TestCase
  setup do
    @line_item = line_items(:one)
  end

  test "should get index" do
    get :index
    assert_response :success
    assert_not_nil assigns(:line_items)
  end

  test "should get new" do
    get :new
    assert_response :success
  end

  test "should create line_item" do
    assert_difference('LineItem.count') do
      post :create, product_id: products(:ruby).id
    end
    assert_redirected_to store_path
  end

  test "should show line_item" do
    get :show, id: @line_item.to_param
    assert_response :success
  end

  test "should get edit" do
    get :edit, id: @line_item.to_param
    assert_response :success
  end

  test "should update line_item" do
    put :update, id: @line_item.to_param, line_item: @line_item.attributes
    assert_redirected_to line_item_path(assigns(:line_item))
  end

  test "should destroy line_item" do
    assert_difference('LineItem.count', -1) do
      delete :destroy, id: @line_item.to_param
    end

    assert_redirected_to line_items_path
  end

  test "should create line_item via ajax" do
    assert_difference('LineItem.count') do
      xhr :post, :create, product_id: products(:ruby).id
    end 

    assert_response :success
    assert_select_jquery :html, '#cart' do
      assert_select 'tr#current_item td', /Programming Ruby 1.9/
    end
  end
end