## The post inside test_site_creation works, but not in the TestingDSL... !?
require "#{File.dirname(__FILE__)}/../test_helper"
class NewUserSiteCreationTest < ActionController::IntegrationTest
  fixtures :users, :roles, :roles_users

  def test_site_creation
    self.host = "demo.example.com"

    new_session do |u|
      u.signup(:login => 'quire')

      u.activate
      u.login(:login => 'quire', :password => 'test')
      u.create_page(:title => 'home', :template_id => 1,  :theme_id => 2)
    end
  end

  private
  module TestingDSL
    include TestMethods
    attr_reader :activation_email
    def signup(options)
      raise "needs a login" unless options[:login]
      options[:email]   = options[:login] + "@example.com"   unless options[:email]
      options[:domain]  = options[:login] + ".example.com"   unless options[:domain]
      options[:name]    = options[:login]                    unless options[:name]

      options[:last_name]             = "Smith"              unless options[:last_name]
      options[:password]              = 'test'               unless options[:password]
      options[:password_confirmation] = options[:password]   unless options[:password_confirmation]

      assert_increases User, :count do
!!        post users_path, :user => options
        assert_redirected_to login_url
      end

      assert_not_nil @activation_email = ActionMailer::Base.deliveries.last
    end

    #...
  end

  def new_session
    open_session do |sess|
      sess.extend(TestingDSL)
      yield sess if block_given?
    end
  end
end

##Error message
  1) Error:
test_site_creation(NewUserSiteCreationTest):
ArgumentError: wrong number of arguments (0 for 1)
    /home/daniel/dev/config/../vendor/rails/actionpack/lib/action_controller/integration.rb:241:in `accept'
    /home/daniel/dev/config/../vendor/rails/actionpack/lib/action_controller/integration.rb:241:in `process'
    /home/daniel/dev/config/../vendor/rails/actionpack/lib/action_controller/integration.rb:157:in `post'
    ./test/integration/new_user_site_creation_test.rb:32:in `signup'
    /home/daniel/dev/config/../lib/authenticated_test_helper.rb:38:in `assert_difference'
    ./test/integration/../test_helper.rb:13:in `assert_increases'
    ./test/integration/new_user_site_creation_test.rb:31:in `signup'
    ./test/integration/new_user_site_creation_test.rb:9:in `test_site_creation'
    ./test/integration/new_user_site_creation_test.rb:62:in `new_session'
    /home/daniel/dev/config/../vendor/rails/actionpack/lib/action_controller/integration.rb:529:in `open_session'
    ./test/integration/new_user_site_creation_test.rb:60:in `new_session'
    ./test/integration/new_user_site_creation_test.rb:8:in `test_site_creation'
    /home/daniel/dev/config/../vendor/rails/actionpack/lib/action_controller/integration.rb:453:in `run'