path: root/actionpack/test/controller/resources_test.rb

require 'abstract_unit'
require 'active_support/core_ext/object/try'
require 'active_support/core_ext/object/with_options'
require 'active_support/core_ext/array/extract_options'

class ResourcesTest < ActionController::TestCase

  def test_default_restful_routes
    with_restful_routing :messages do
      assert_simply_restful_for :messages
    end
  end

  def test_override_paths_for_member_and_collection_methods
    collection_methods = { :rss => :get, :reorder => :post, :csv => :post }
    member_methods    = { :rss => :get, :atom => :get, :upload => :post, :fix => :post }
    path_names = {:new => 'nuevo', :rss => 'canal', :fix => 'corrigir' }

    with_restful_routing :messages,
        :collection => collection_methods,
        :member => member_methods,
        :path_names => path_names do

      assert_restful_routes_for :messages,
          :collection => collection_methods,
          :member => member_methods,
          :path_names => path_names do |options|
        member_methods.each do |action, method|
          assert_recognizes(options.merge(:action => action.to_s, :id => '1'),
            :path => "/messages/1/#{path_names[action] || action}",
            :method => method)
        end

        collection_methods.each do |action, method|
          assert_recognizes(options.merge(:action => action.to_s),
            :path => "/messages/#{path_names[action] || action}",
            :method => method)
        end
      end

      assert_restful_named_routes_for :messages,
          :collection => collection_methods,
          :member => member_methods,
          :path_names => path_names do |options|

        collection_methods.each_key do |action|
          assert_named_route "/messages/#{path_names[action] || action}", "#{action}_messages_path", :action => action
        end

        member_methods.each_key do |action|
          assert_named_route "/messages/1/#{path_names[action] || action}", "#{action}_message_path", :action => action, :id => "1"
        end

      end
    end
  end

  def test_multiple_default_restful_routes
    with_restful_routing :messages, :comments do
      assert_simply_restful_for :messages
      assert_simply_restful_for :comments
    end
  end

  def test_multiple_resources_with_options
    expected_options = {:controller => 'threads', :action => 'index'}

    with_restful_routing :messages, :comments, expected_options.slice(:controller) do
      assert_recognizes(expected_options, :path => 'comments')
      assert_recognizes(expected_options, :path => 'messages')
    end
  end

  def test_with_custom_conditions
    with_restful_routing :messages, :conditions => { :subdomain => 'app' } do
      assert @routes.recognize_path("/messages", :method => :get, :subdomain => 'app')
    end
  end

  def test_irregular_id_with_no_constraints_should_raise_error
    expected_options = {:controller => 'messages', :action => 'show', :id => '1.1.1'}

    with_restful_routing :messages do
      assert_raise(Assertion) do
        assert_recognizes(expected_options, :path => 'messages/1.1.1', :method => :get)
      end
    end
  end

  def test_irregular_id_with_constraints_should_pass
    expected_options = {:controller => 'messages', :action => 'show', :id => '1.1.1'}

    with_restful_routing(:messages, :constraints => {:id => /[0-9]\.[0-9]\.[0-9]/}) do
      assert_recognizes(expected_options, :path => 'messages/1.1.1', :method => :get)
    end
  end

  def test_with_path_prefix_constraints
    expected_options = {:controller => 'messages', :action => 'show', :thread_id => '1.1.1', :id => '1'}
    with_restful_routing :messages, :path_prefix => '/thread/:thread_id', :constraints => {:thread_id => /[0-9]\.[0-9]\.[0-9]/} do
      assert_recognizes(expected_options, :path => 'thread/1.1.1/messages/1', :method => :get)
    end
  end

  def test_irregular_id_constraints_should_get_passed_to_member_actions
    expected_options = {:controller => 'messages', :action => 'custom', :id => '1.1.1'}

    with_restful_routing(:messages, :member => {:custom => :get}, :constraints => {:id => /[0-9]\.[0-9]\.[0-9]/}) do
      assert_recognizes(expected_options, :path => 'messages/1.1.1/custom', :method => :get)
    end
  end

  def test_with_path_prefix
    with_restful_routing :messages, :path_prefix => '/thread/:thread_id' do
      assert_simply_restful_for :messages, :path_prefix => 'thread/5/', :options => { :thread_id => '5' }
    end
  end

  def test_multiple_with_path_prefix
    with_restful_routing :messages, :comments, :path_prefix => '/thread/:thread_id' do
      assert_simply_restful_for :messages, :path_prefix => 'thread/5/', :options => { :thread_id => '5' }
      assert_simply_restful_for :comments, :path_prefix => 'thread/5/', :options => { :thread_id => '5' }
    end
  end

  def test_with_name_prefix
    with_restful_routing :messages, :as => 'post_messages' do
      assert_simply_restful_for :messages, :name_prefix => 'post_'
    end
  end

  def test_with_collection_actions
    actions = { 'a' => :get, 'b' => :put, 'c' => :post, 'd' => :delete, 'e' => :patch }

    with_routing do |set|
      set.draw do
        resources :messages do
          get    :a, :on => :collection
          put    :b, :on => :collection
          post   :c, :on => :collection
          delete :d, :on => :collection
          patch  :e, :on => :collection
        end
      end

      assert_restful_routes_for :messages do |options|
        actions.each do |action, method|
          assert_recognizes(options.merge(:action => action), :path => "/messages/#{action}", :method => method)
        end
      end

      assert_restful_named_routes_for :messages do |options|
        actions.each_key do |action|
          assert_named_route "/messages/#{action}", "#{action}_messages_path", :action => action
        end
      end
    end
  end

  def test_with_collection_actions_and_name_prefix
    actions = { 'a' => :get, 'b' => :put, 'c' => :post, 'd' => :delete, 'e' => :patch }

    with_routing do |set|
      set.draw do
        scope '/threads/:thread_id' do
          resources :messages, :as => 'thread_messages' do
            get    :a, :on => :collection
            put    :b, :on => :collection
            post   :c, :on => :collection
            delete :d, :on => :collection
            patch  :e, :on => :collection
          end
        end
      end

      assert_restful_routes_for :messages, :path_prefix => 'threads/1/', :name_prefix => 'thread_', :options => { :thread_id => '1' } do |options|
        actions.each do |action, method|
          assert_recognizes(options.merge(:action => action), :path => "/threads/1/messages/#{action}", :method => method)
        end
      end

      assert_restful_named_routes_for :messages, :path_prefix => 'threads/1/', :name_prefix => 'thread_', :options => { :thread_id => '1' } do |options|
        actions.each_key do |action|
          assert_named_route "/threads/1/messages/#{action}", "#{action}_thread_messages_path", :action => action
        end
      end
    end
  end

  def test_with_collection_actions_and_name_prefix_and_member_action_with_same_name
    actions = { 'a' => :get }

    with_routing do |set|
      set.draw do
        scope '/threads/:thread_id' do
          resources :messages, :as => 'thread_messages' do
            get :a, :on => :collection
            get :a, :on => :member
          end
        end
      end

      assert_restful_routes_for :messages, :path_prefix => 'threads/1/', :name_prefix => 'thread_', :options => { :thread_id => '1' } do |options|
        actions.each do |action, method|
          assert_recognizes(options.merge(:action => action), :path => "/threads/1/messages/#{action}", :method => method)
        end
      end

      assert_restful_named_routes_for :messages, :path_prefix => 'threads/1/', :name_prefix => 'thread_', :options => { :thread_id => '1' } do |options|
        actions.each_key do |action|
          assert_named_route "/threads/1/messages/#{action}", "#{action}_thread_messages_path", :action => action
        end
      end
    end
  end

  def test_with_collection_action_and_name_prefix_and_formatted
    actions = { 'a' => :get, 'b' => :put, 'c' => :post, 'd' => :delete, 'e' => :patch }

    with_routing do |set|
      set.draw do
        scope '/threads/:thread_id' do
          resources :messages, :as => 'thread_messages' do
            get    :a, :on => :collection
            put    :b, :on => :collection
            post   :c, :on => :collection
            delete :d, :on => :collection
            patch  :e, :on => :collection
          end
        end
      end

      assert_restful_routes_for :messages, :path_prefix => 'threads/1/', :name_prefix => 'thread_', :options => { :thread_id => '1' } do |options|
        actions.each do |action, method|
          assert_recognizes(options.merge(:action => action, :format => 'xml'), :path => "/threads/1/messages/#{action}.xml", :method => method)
        end
      end

      assert_restful_named_routes_for :messages, :path_prefix => 'threads/1/', :name_prefix => 'thread_', :options => { :thread_id => '1' } do |options|
        actions.each_key do |action|
          assert_named_route "/threads/1/messages/#{action}.xml", "#{action}_thread_messages_path", :action => action, :format => 'xml'
        end
      end
    end
  end

  def test_with_member_action
    [:patch, :put, :post].each do |method|
      with_restful_routing :messages, :member => { :mark => method } do
        mark_options = {:action => 'mark', :id => '1'}
        mark_path    = "/messages/1/mark"
        assert_restful_routes_for :messages do |options|
          assert_recognizes(options.merge(mark_options), :path => mark_path, :method => method)
        end

        assert_restful_named_routes_for :messages do |options|
          assert_named_route mark_path, :mark_message_path, mark_options
        end
      end
    end
  end

  def test_with_member_action_and_requirement
    expected_options = {:controller => 'messages', :action => 'mark', :id => '1.1.1'}

    with_restful_routing(:messages, :constraints => {:id => /[0-9]\.[0-9]\.[0-9]/}, :member => { :mark => :get }) do
      assert_recognizes(expected_options, :path => 'messages/1.1.1/mark', :method => :get)
    end
  end

  def test_member_when_override_paths_for_default_restful_actions_with
    [:patch, :put, :post].each do |method|
      with_restful_routing :messages, :member => { :mark => method }, :path_names => {:new => 'nuevo'} do
        mark_options = {:action => 'mark', :id => '1', :controller => "messages"}
        mark_path    = "/messages/1/mark"

        assert_restful_routes_for :messages, :path_names => {:new => 'nuevo'} do |options|
          assert_recognizes(options.merge(mark_options), :path => mark_path, :method => method)
        end

        assert_restful_named_routes_for :messages, :path_names => {:new => 'nuevo'} do |options|
          assert_named_route mark_path, :mark_message_path, mark_options
        end
      end
    end
  end

  def test_with_two_member_actions_with_same_method
    [:patch, :put, :post].each do |method|
      with_routing do |set|
        set.draw do
          resources :messages do
            member do
              match :mark  , :via => method
              match :unmark, :via => method
            end
          end
        end

        %w(mark unmark).each do |action|
          action_options = {:action => action, :id => '1'}
          action_path    = "/messages/1/#{action}"
          assert_restful_routes_for :messages do |options|
            assert_recognizes(options.merge(action_options), :path => action_path, :method => method)
          end

          assert_restful_named_routes_for :messages do |options|
            assert_named_route action_path, "#{action}_message_path".to_sym, action_options
          end
        end
      end
    end
  end

  def test_array_as_collection_or_member_method_value
    with_routing do |set|
      set.draw do
        resources :messages do
          collection do
            match :search, :via => [:post, :get]
          end

          member do
            match :toggle, :via => [:post, :get]
          end
        end
      end

      assert_restful_routes_for :messages do |options|
        [:get, :post].each do |method|
          assert_recognizes(options.merge(:action => 'search'), :path => "/messages/search", :method => method)
        end
        [:get, :post].each do |method|
          assert_recognizes(options.merge(:action => 'toggle', :id => '1'), :path => '/messages/1/toggle', :method => method)
        end
      end
    end
  end

  def test_with_new_action
    with_routing do |set|
      set.draw do
        resources :messages do
          post :preview, :on => :new
        end
      end

      preview_options = {:action => 'preview'}
      preview_path    = "/messages/new/preview"
      assert_restful_routes_for :messages do |options|
        assert_recognizes(options.merge(preview_options), :path => preview_path, :method => :post)
      end

      assert_restful_named_routes_for :messages do |options|
        assert_named_route preview_path, :preview_new_message_path, preview_options
      end
    end
  end

  def test_with_new_action_with_name_prefix
    with_routing do |set|
      set.draw do
        scope('/threads/:thread_id') do
          resources :messages, :as => "thread_messages" do
            post :preview, :on => :new
          end
        end
      end

      preview_options = {:action => 'preview', :thread_id => '1'}
      preview_path    = "/threads/1/messages/new/preview"
      assert_restful_routes_for :messages, :path_prefix => 'threads/1/', :name_prefix => 'thread_', :options => { :thread_id => '1' } do |options|
        assert_recognizes(options.merge(preview_options), :path => preview_path, :method => :post)
      end

      assert_restful_named_routes_for :messages, :path_prefix => 'threads/1/', :name_prefix => 'thread_', :options => { :thread_id => '1' } do |options|
        assert_named_route preview_path, :preview_new_thread_message_path, preview_options
      end
    end
  end

  def test_with_formatted_new_action_with_name_prefix
    with_routing do |set|
      set.draw do
        scope('/threads/:thread_id') do
          resources :messages, :as => "thread_messages" do
            post :preview, :on => :new
          end
        end
      end

      preview_options = {:action => 'preview', :thread_id => '1', :format => 'xml'}
      preview_path    = "/threads/1/messages/new/preview.xml"
      assert_restful_routes_for :messages, :path_prefix => 'threads/1/', :name_prefix => 'thread_', :options => { :thread_id => '1' } do |options|
        assert_recognizes(options.merge(preview_options), :path => preview_path, :method => :post)
      end

      assert_restful_named_routes_for :messages, :path_prefix => 'threads/1/', :name_prefix => 'thread_', :options => { :thread_id => '1' } do |options|
        assert_named_route preview_path, :preview_new_thread_message_path, preview_options
      end
    end
  end

  def test_override_new_method
    with_restful_routing :messages do
      assert_restful_routes_for :messages do |options|
        assert_recognizes(options.merge(:action => "new"), :path => "/messages/new", :method => :get)
        assert_raise(ActionController::RoutingError) do
          @routes.recognize_path("/messages/new", :method => :post)
        end
      end
    end

    with_routing do |set|
      set.draw do
        resources :messages do
          match :new, :via => [:post, :get], :on => :new
        end
      end

      assert_restful_routes_for :messages do |options|
        assert_recognizes(options.merge(:action => "new"), :path => "/messages/new", :method => :post)
        assert_recognizes(options.merge(:action => "new"), :path => "/messages/new", :method => :get)
      end
    end
  end

  def test_nested_restful_routes
    with_routing do |set|
      set.draw do
        resources :threads do
          resources :messages do
            resources :comments
          end
        end
      end

      assert_simply_restful_for :threads
      assert_simply_restful_for :messages,
        :name_prefix => 'thread_',
        :path_prefix => 'threads/1/',
        :options => { :thread_id => '1' }
      assert_simply_restful_for :comments,
        :name_prefix => 'thread_message_',
        :path_prefix => 'threads/1/messages/2/',
        :options => { :thread_id => '1', :message_id => '2' }
    end
  end

  def test_shallow_nested_restful_routes
    with_routing do |set|
      set.draw do
        resources :threads, :shallow => true do
          resources :messages do
            resources :comments
          end
        end
      end

      assert_simply_restful_for :threads,
        :shallow => true
      assert_simply_restful_for :messages,
        :name_prefix => 'thread_',
        :path_prefix => 'threads/1/',
        :shallow => true,
        :options => { :thread_id => '1' }
      assert_simply_restful_for :comments,
        :name_prefix => 'message_',
        :path_prefix => 'messages/2/',
        :shallow => true,
        :options => { :message_id => '2' }
    end
  end

  def test_shallow_nested_restful_routes_with_namespaces
    with_routing do |set|
      set.draw do
        namespace :backoffice do
          namespace :admin do
            resources :products, :shallow => true do
              resources :images
            end
          end
        end
      end

      assert_simply_restful_for :products,
        :controller => 'backoffice/admin/products',
        :namespace => 'backoffice/admin/',
        :name_prefix => 'backoffice_admin_',
        :path_prefix => 'backoffice/admin/',
        :shallow => true
      assert_simply_restful_for :images,
        :controller => 'backoffice/admin/images',
        :namespace => 'backoffice/admin/',
        :name_prefix => 'backoffice_admin_product_',
        :path_prefix => 'backoffice/admin/products/1/',
        :shallow => true,
        :options => { :product_id => '1' }
    end
  end

  def test_restful_routes_dont_generate_duplicates
    with_restful_routing :messages do
      routes = @routes.routes
      routes.each do |route|
        routes.each do |r|
          next if route === r # skip the comparison instance
          assert_not_equal [route.conditions, route.path.spec.to_s], [r.conditions, r.path.spec.to_s]
        end
      end
    end
  end

  def test_should_create_singleton_resource_routes
    with_singleton_resources :account do
      assert_singleton_restful_for :account
    end
  end

  def test_should_create_multiple_singleton_resource_routes
    with_singleton_resources :account, :logo do
      assert_singleton_restful_for :account
      assert_singleton_restful_for :logo
    end
  end

  def test_should_create_nested_singleton_resource_routes
    with_routing do |set|
      set.draw do
        resource :admin, :controller => 'admin' do
          resource :account
        end
      end

      assert_singleton_restful_for :admin, :controller => 'admin'
      assert_singleton_restful_for :account, :name_prefix => "admin_", :path_prefix => 'admin/'
    end
  end

  def test_singleton_resource_with_member_action
    [:patch, :put, :post].each do |method|
      with_routing do |set|
        set.draw do
          resource :account do
            match :reset, :on => :member, :via => method
          end
        end

        reset_options = {:action => 'reset'}
        reset_path    = "/account/reset"
        assert_singleton_routes_for :account do |options|
          assert_recognizes(options.merge(reset_options), :path => reset_path, :method => method)
        end

        assert_singleton_named_routes_for :account do |options|
          assert_named_route reset_path, :reset_account_path, reset_options
        end
      end
    end
  end

  def test_singleton_resource_with_two_member_actions_with_same_method
    [:patch, :put, :post].each do |method|
      with_routing do |set|
        set.draw do
          resource :account do
            match :reset, :on => :member, :via => method
            match :disable, :on => :member, :via => method
          end
        end

        %w(reset disable).each do |action|
          action_options = {:action => action}
          action_path    = "/account/#{action}"
          assert_singleton_routes_for :account do |options|
            assert_recognizes(options.merge(action_options), :path => action_path, :method => method)
          end

          assert_singleton_named_routes_for :account do |options|
            assert_named_route action_path, "#{action}_account_path".to_sym, action_options
          end
        end
      end
    end
  end

  def test_should_nest_resources_in_singleton_resource
    with_routing do |set|
      set.draw do
        resource :account do
          resources :messages
        end
      end

      assert_singleton_restful_for :account
      assert_simply_restful_for :messages, :name_prefix => "account_", :path_prefix => 'account/'
    end
  end

  def test_should_nest_resources_in_singleton_resource_with_path_scope
    with_routing do |set|
      set.draw do
        scope ':site_id' do
          resource(:account) do
            resources :messages
          end
        end
      end

      assert_singleton_restful_for :account, :path_prefix => '7/', :options => { :site_id => '7' }
      assert_simply_restful_for :messages, :name_prefix => "account_", :path_prefix => '7/account/', :options => { :site_id => '7' }
    end
  end

  def test_should_nest_singleton_resource_in_resources
    with_routing do |set|
      set.draw do
        resources :threads do
          resource :admin, :controller => 'admin'
        end
      end

      assert_simply_restful_for :threads
      assert_singleton_restful_for :admin, :controller => 'admin', :name_prefix => 'thread_', :path_prefix => 'threads/5/', :options => { :thread_id => '5' }
    end
  end

  def test_should_not_allow_delete_or_patch_or_put_on_collection_path
    controller_name = :messages
    with_restful_routing controller_name do
      options = { :controller => controller_name.to_s }
      collection_path = "/#{controller_name}"

      assert_raise(Assertion) do
        assert_recognizes(options.merge(:action => 'update'), :path => collection_path, :method => :patch)
      end

      assert_raise(Assertion) do
        assert_recognizes(options.merge(:action => 'update'), :path => collection_path, :method => :put)
      end

      assert_raise(Assertion) do
        assert_recognizes(options.merge(:action => 'destroy'), :path => collection_path, :method => :delete)
      end
    end
  end

  def test_new_style_named_routes_for_resource
    with_routing do |set|
      set.draw do
        scope '/threads/:thread_id' do
          resources :messages, :as => 'thread_messages' do
            get :search, :on => :collection
            get :preview, :on => :new
          end
        end
      end

      assert_simply_restful_for :messages, :name_prefix => 'thread_', :path_prefix => 'threads/1/', :options => { :thread_id => '1' }
      assert_named_route "/threads/1/messages/search", "search_thread_messages_path", {}
      assert_named_route "/threads/1/messages/new", "new_thread_message_path", {}
      assert_named_route "/threads/1/messages/new/preview", "preview_new_thread_message_path", {}
    end
  end

  def test_new_style_named_routes_for_singleton_resource
    with_routing do |set|
      set.draw do
        scope '/admin' do
          resource :account, :as => :admin_account do
            get :login, :on => :member
            get :preview, :on => :new
          end
        end
      end
      assert_singleton_restful_for :account, :name_prefix => 'admin_', :path_prefix => 'admin/'
      assert_named_route "/admin/account/login", "login_admin_account_path", {}
      assert_named_route "/admin/account/new", "new_admin_account_path", {}
      assert_named_route "/admin/account/new/preview", "preview_new_admin_account_path", {}
    end
  end

  def test_resources_in_namespace
    with_routing do |set|
      set.draw do
        namespace :backoffice do
          resources :products
        end
      end

      assert_simply_restful_for :products, :controller => "backoffice/products", :name_prefix => 'backoffice_', :path_prefix => 'backoffice/'
    end
  end

  def test_resources_in_nested_namespace
    with_routing do |set|
      set.draw do
        namespace :backoffice do
          namespace :admin do
            resources :products
          end
        end
      end

      assert_simply_restful_for :products, :controller => "backoffice/admin/products", :name_prefix => 'backoffice_admin_', :path_prefix => 'backoffice/admin/'
    end
  end

  def test_resources_using_namespace
    with_routing do |set|
      set.draw do
        namespace :backoffice, :path => nil, :as => nil do
          resources :products
        end
      end

      assert_simply_restful_for :products, :controller => "backoffice/products"
    end
  end

  def test_nested_resources_using_namespace
    with_routing do |set|
      set.draw do
        namespace :backoffice do
          resources :products do
            resources :images
          end
        end
      end

      assert_simply_restful_for :images, :controller => "backoffice/images", :name_prefix => 'backoffice_product_', :path_prefix => 'backoffice/products/1/', :options => {:product_id => '1'}
    end
  end

  def test_nested_resources_in_nested_namespace
    with_routing do |set|
      set.draw do
        namespace :backoffice do
          namespace :admin do
            resources :products do
              resources :images
            end
          end
        end
      end

      assert_simply_restful_for :images, :controller => "backoffice/admin/images", :name_prefix => 'backoffice_admin_product_', :path_prefix => 'backoffice/admin/products/1/', :options => {:product_id => '1'}
    end
  end

  def test_with_path_segment
    with_restful_routing :messages do
      assert_simply_restful_for :messages
      assert_recognizes({:controller => "messages", :action => "index"}, "/messages")
      assert_recognizes({:controller => "messages", :action => "index"}, "/messages/")
    end

     with_routing do |set|
        set.draw do
          resources :messages, :path => 'reviews'
        end
        assert_simply_restful_for :messages, :as => 'reviews'
        assert_recognizes({:controller => "messages", :action => "index"}, "/reviews")
        assert_recognizes({:controller => "messages", :action => "index"}, "/reviews/")
     end
  end

  def test_multiple_with_path_segment_and_controller
    with_routing do |set|
      set.draw do
       resources :products do
          resources :product_reviews, :path => 'reviews', :controller => 'messages'
        end
       resources :tutors do
          resources :tutor_reviews, :path => 'reviews', :controller => 'comments'
        end
      end

      assert_simply_restful_for :product_reviews, :controller=>'messages', :as => 'reviews', :name_prefix => 'product_', :path_prefix => 'products/1/', :options => {:product_id => '1'}
      assert_simply_restful_for :tutor_reviews,:controller=>'comments', :as => 'reviews', :name_prefix => 'tutor_', :path_prefix => 'tutors/1/', :options => {:tutor_id => '1'}
    end
  end

  def test_with_path_segment_path_prefix_constraints
    expected_options = {:controller => 'messages', :action => 'show', :thread_id => '1.1.1', :id => '1'}
    with_routing do |set|
      set.draw do
        scope '/thread/:thread_id', :constraints => { :thread_id => /[0-9]\.[0-9]\.[0-9]/ } do
          resources :messages, :path => 'comments'
        end
      end
      assert_recognizes(expected_options, :path => 'thread/1.1.1/comments/1', :method => :get)
    end
  end

  def test_resource_has_only_show_action
    with_routing do |set|
      set.draw do
        resources :products, :only => :show
      end

      assert_resource_allowed_routes('products', {},                    { :id => '1' }, :show, [:index, :new, :create, :edit, :update, :destroy])
      assert_resource_allowed_routes('products', { :format => 'xml' },  { :id => '1' }, :show, [:index, :new, :create, :edit, :update, :destroy])
    end
  end

  def test_singleton_resource_has_only_show_action
    with_routing do |set|
      set.draw do
        resource :account, :only => :show
      end

      assert_singleton_resource_allowed_routes('accounts', {},                    :show, [:index, :new, :create, :edit, :update, :destroy])
      assert_singleton_resource_allowed_routes('accounts', { :format => 'xml' },  :show, [:index, :new, :create, :edit, :update, :destroy])
    end
  end

  def test_resource_does_not_have_destroy_action
    with_routing do |set|
      set.draw do
        resources :products, :except => :destroy
      end

      assert_resource_allowed_routes('products', {},                    { :id => '1' }, [:index, :new, :create, :show, :edit, :update], :destroy)
      assert_resource_allowed_routes('products', { :format => 'xml' },  { :id => '1' }, [:index, :new, :create, :show, :edit, :update], :destroy)
    end
  end

  def test_singleton_resource_does_not_have_destroy_action
    with_routing do |set|
      set.draw do
        resource :account, :except => :destroy
      end

      assert_singleton_resource_allowed_routes('accounts', {},                    [:new, :create, :show, :edit, :update], :destroy)
      assert_singleton_resource_allowed_routes('accounts', { :format => 'xml' },  [:new, :create, :show, :edit, :update], :destroy)
    end
  end

  def test_resource_has_only_create_action_and_named_route
    with_routing do |set|
      set.draw do
        resources :products, :only => :create
      end

      assert_resource_allowed_routes('products', {},                    { :id => '1' }, :create, [:index, :new, :show, :edit, :update, :destroy])
      assert_resource_allowed_routes('products', { :format => 'xml' },  { :id => '1' }, :create, [:index, :new, :show, :edit, :update, :destroy])

      assert_not_nil set.named_routes[:products]
    end
  end

  def test_resource_has_only_update_action_and_named_route
    with_routing do |set|
      set.draw do
        resources :products, :only => :update
      end

      assert_resource_allowed_routes('products', {},                    { :id => '1' }, :update, [:index, :new, :create, :show, :edit, :destroy])
      assert_resource_allowed_routes('products', { :format => 'xml' },  { :id => '1' }, :update, [:index, :new, :create, :show, :edit, :destroy])

      assert_not_nil set.named_routes[:product]
    end
  end

  def test_resource_has_only_destroy_action_and_named_route
    with_routing do |set|
      set.draw do
        resources :products, :only => :destroy
      end

      assert_resource_allowed_routes('products', {},                    { :id => '1' }, :destroy, [:index, :new, :create, :show, :edit, :update])
      assert_resource_allowed_routes('products', { :format => 'xml' },  { :id => '1' }, :destroy, [:index, :new, :create, :show, :edit, :update])

      assert_not_nil set.named_routes[:product]
    end
  end

  def test_singleton_resource_has_only_create_action_and_named_route
    with_routing do |set|
      set.draw do
        resource :account, :only => :create
      end

      assert_singleton_resource_allowed_routes('accounts', {},                    :create, [:new, :show, :edit, :update, :destroy])
      assert_singleton_resource_allowed_routes('accounts', { :format => 'xml' },  :create, [:new, :show, :edit, :update, :destroy])

      assert_not_nil set.named_routes[:account]
    end
  end

  def test_singleton_resource_has_only_update_action_and_named_route
    with_routing do |set|
      set.draw do
        resource :account, :only => :update
      end

      assert_singleton_resource_allowed_routes('accounts', {},                    :update, [:new, :create, :show, :edit, :destroy])
      assert_singleton_resource_allowed_routes('accounts', { :format => 'xml' },  :update, [:new, :create, :show, :edit, :destroy])

      assert_not_nil set.named_routes[:account]
    end
  end

  def test_singleton_resource_has_only_destroy_action_and_named_route
    with_routing do |set|
      set.draw do
        resource :account, :only => :destroy
      end

      assert_singleton_resource_allowed_routes('accounts', {},                    :destroy, [:new, :create, :show, :edit, :update])
      assert_singleton_resource_allowed_routes('accounts', { :format => 'xml' },  :destroy, [:new, :create, :show, :edit, :update])

      assert_not_nil set.named_routes[:account]
    end
  end

  def test_resource_has_only_collection_action
    with_routing do |set|
      set.draw do
        resources :products, :only => [] do
          get :sale, :on => :collection
        end
      end

      assert_resource_allowed_routes('products', {},                    { :id => '1' }, [], [:index, :new, :create, :show, :edit, :update, :destroy])
      assert_resource_allowed_routes('products', { :format => 'xml' },  { :id => '1' }, [], [:index, :new, :create, :show, :edit, :update, :destroy])

      assert_recognizes({ :controller => 'products', :action => 'sale' },                   :path => 'products/sale',     :method => :get)
      assert_recognizes({ :controller => 'products', :action => 'sale', :format => 'xml' }, :path => 'products/sale.xml', :method => :get)
    end
  end

  def test_resource_has_only_member_action
    with_routing do |set|
      set.draw do
        resources :products, :only => [] do
          get :preview, :on => :member
        end
      end

      assert_resource_allowed_routes('products', {},                    { :id => '1' }, [], [:index, :new, :create, :show, :edit, :update, :destroy])
      assert_resource_allowed_routes('products', { :format => 'xml' },  { :id => '1' }, [], [:index, :new, :create, :show, :edit, :update, :destroy])

      assert_recognizes({ :controller => 'products', :action => 'preview', :id => '1' },                    :path => 'products/1/preview',      :method => :get)
      assert_recognizes({ :controller => 'products', :action => 'preview', :id => '1', :format => 'xml' },  :path => 'products/1/preview.xml',  :method => :get)
    end
  end

  def test_singleton_resource_has_only_member_action
    with_routing do |set|
      set.draw do
        resource :account, :only => [] do
          member do
            get :signup
          end
        end
      end

      assert_singleton_resource_allowed_routes('accounts', {},                    [], [:new, :create, :show, :edit, :update, :destroy])
      assert_singleton_resource_allowed_routes('accounts', { :format => 'xml' },  [], [:new, :create, :show, :edit, :update, :destroy])

      assert_recognizes({ :controller => 'accounts', :action => 'signup' },                   :path => 'account/signup',      :method => :get)
      assert_recognizes({ :controller => 'accounts', :action => 'signup', :format => 'xml' }, :path => 'account/signup.xml',  :method => :get)
    end
  end

  def test_nested_resource_has_only_show_and_member_action
    with_routing do |set|
      set.draw do
        resources :products, :only => [:index, :show] do
          resources :images, :only => :show do
            get :thumbnail, :on => :member
          end
        end
      end

      assert_resource_allowed_routes('images', { :product_id => '1' },                    { :id => '2' }, :show, [:index, :new, :create, :edit, :update, :destroy], 'products/1/images')
      assert_resource_allowed_routes('images', { :product_id => '1', :format => 'xml' },  { :id => '2' }, :show, [:index, :new, :create, :edit, :update, :destroy], 'products/1/images')

      assert_recognizes({ :controller => 'images', :action => 'thumbnail', :product_id => '1', :id => '2' },                    :path => 'products/1/images/2/thumbnail', :method => :get)
      assert_recognizes({ :controller => 'images', :action => 'thumbnail', :product_id => '1', :id => '2', :format => 'jpg' },  :path => 'products/1/images/2/thumbnail.jpg', :method => :get)
    end
  end

  def test_nested_resource_does_not_inherit_only_option
    with_routing do |set|
      set.draw do
        resources :products, :only => :show do
          resources :images, :except => :destroy
        end
      end

      assert_resource_allowed_routes('images', { :product_id => '1' },                    { :id => '2' }, [:index, :new, :create, :show, :edit, :update], :destroy, 'products/1/images')
      assert_resource_allowed_routes('images', { :product_id => '1', :format => 'xml' },  { :id => '2' }, [:index, :new, :create, :show, :edit, :update], :destroy, 'products/1/images')
    end
  end

  def test_nested_resource_does_not_inherit_only_option_by_default
    with_routing do |set|
      set.draw do
        resources :products, :only => :show do
          resources :images
        end
      end

      assert_resource_allowed_routes('images', { :product_id => '1' },                    { :id => '2' }, [:index, :new, :create, :show, :edit, :update, :destroy], [], 'products/1/images')
      assert_resource_allowed_routes('images', { :product_id => '1', :format => 'xml' },  { :id => '2' }, [:index, :new, :create, :show, :edit, :update, :destroy], [], 'products/1/images')
    end
  end

  def test_nested_resource_does_not_inherit_except_option
    with_routing do |set|
      set.draw do
        resources :products, :except => :show do
          resources :images, :only => :destroy
        end
      end

      assert_resource_allowed_routes('images', { :product_id => '1' },                    { :id => '2' }, :destroy, [:index, :new, :create, :show, :edit, :update], 'products/1/images')
      assert_resource_allowed_routes('images', { :product_id => '1', :format => 'xml' },  { :id => '2' }, :destroy, [:index, :new, :create, :show, :edit, :update], 'products/1/images')
    end
  end

  def test_nested_resource_does_not_inherit_except_option_by_default
    with_routing do |set|
      set.draw do
        resources :products, :except => :show do
          resources :images
        end
      end

      assert_resource_allowed_routes('images', { :product_id => '1' },                    { :id => '2' }, [:index, :new, :create, :show, :edit, :update, :destroy], [], 'products/1/images')
      assert_resource_allowed_routes('images', { :product_id => '1', :format => 'xml' },  { :id => '2' }, [:index, :new, :create, :show, :edit, :update, :destroy], [], 'products/1/images')
    end
  end

  def test_default_singleton_restful_route_uses_get
    with_routing do |set|
      set.draw do
        resource :product
      end

      assert_routing '/product', :controller => 'products', :action => 'show'
      assert set.recognize_path("/product", :method => :get)
    end
  end

  def test_singleton_resource_name_is_not_singularized
    with_singleton_resources(:preferences) do
      assert_singleton_restful_for :preferences
    end
  end

  protected
    def with_restful_routing(*args)
      options = args.extract_options!
      collection_methods = options.delete(:collection)
      member_methods = options.delete(:member)
      path_prefix = options.delete(:path_prefix)
      args.push(options)

      with_routing do |set|
        set.draw do
          scope(path_prefix || '') do
            resources(*args) do
              if collection_methods
                collection do
                  collection_methods.each do |name, method|
                    send(method, name)
                  end
                end
              end

              if member_methods
                member do
                  member_methods.each do |name, method|
                    send(method, name)
                  end
                end
              end
            end
          end
        end
        yield
      end
    end

    def with_singleton_resources(*args)
      with_routing do |set|
        set.draw {resource(*args) }
        yield
      end
    end

    # runs assert_restful_routes_for and assert_restful_named_routes for on the controller_name and options, without passing a block.
    def assert_simply_restful_for(controller_name, options = {})
      assert_restful_routes_for       controller_name, options
      assert_restful_named_routes_for controller_name, nil, options
    end

    def assert_singleton_restful_for(singleton_name, options = {})
      assert_singleton_routes_for       singleton_name, options
      assert_singleton_named_routes_for singleton_name, options
    end

    def assert_restful_routes_for(controller_name, options = {})
      options[:options] ||= {}
      options[:options][:controller] = options[:controller] || controller_name.to_s

      if options[:shallow]
        options[:shallow_options] ||= {}
        options[:shallow_options][:controller] = options[:options][:controller]
      else
        options[:shallow_options] = options[:options]
      end

      new_action    = @routes.resources_path_names[:new] || "new"
      edit_action   = @routes.resources_path_names[:edit] || "edit"

      if options[:path_names]
        new_action  = options[:path_names][:new] if options[:path_names][:new]
        edit_action = options[:path_names][:edit] if options[:path_names][:edit]
      end

      path                       = "#{options[:as] || controller_name}"
      collection_path            = "/#{options[:path_prefix]}#{path}"
      shallow_path               = "/#{options[:shallow] ? options[:namespace] : options[:path_prefix]}#{path}"
      member_path                = "#{shallow_path}/1"
      new_path                   = "#{collection_path}/#{new_action}"
      edit_member_path           = "#{member_path}/#{edit_action}"
      formatted_edit_member_path = "#{member_path}/#{edit_action}.xml"

      with_options(options[:options]) do |controller|
        controller.assert_routing collection_path,            :action => 'index'
        controller.assert_routing new_path,                   :action => 'new'
        controller.assert_routing "#{collection_path}.xml",   :action => 'index',            :format => 'xml'
        controller.assert_routing "#{new_path}.xml",          :action => 'new',              :format => 'xml'
      end

      with_options(options[:shallow_options]) do |controller|
        controller.assert_routing member_path,                :action => 'show', :id => '1'
        controller.assert_routing edit_member_path,           :action => 'edit', :id => '1'
        controller.assert_routing "#{member_path}.xml",       :action => 'show', :id => '1', :format => 'xml'
        controller.assert_routing formatted_edit_member_path, :action => 'edit', :id => '1', :format => 'xml'
      end

      assert_recognizes(options[:options].merge(:action => 'index'),               :path => collection_path,  :method => :get)
      assert_recognizes(options[:options].merge(:action => 'new'),                 :path => new_path,         :method => :get)
      assert_recognizes(options[:options].merge(:action => 'create'),              :path => collection_path,  :method => :post)
      assert_recognizes(options[:shallow_options].merge(:action => 'show',    :id => '1'), :path => member_path,      :method => :get)
      assert_recognizes(options[:shallow_options].merge(:action => 'edit',    :id => '1'), :path => edit_member_path, :method => :get)
      assert_recognizes(options[:shallow_options].merge(:action => 'update',  :id => '1'), :path => member_path,      :method => :put)
      assert_recognizes(options[:shallow_options].merge(:action => 'destroy', :id => '1'), :path => member_path,      :method => :delete)

      assert_recognizes(options[:options].merge(:action => 'index',  :format => 'xml'), :path => "#{collection_path}.xml",   :method => :get)
      assert_recognizes(options[:options].merge(:action => 'new',    :format => 'xml'), :path => "#{new_path}.xml",          :method => :get)
      assert_recognizes(options[:options].merge(:action => 'create', :format => 'xml'), :path => "#{collection_path}.xml",   :method => :post)
      assert_recognizes(options[:shallow_options].merge(:action => 'show',    :id => '1', :format => 'xml'), :path => "#{member_path}.xml",       :method => :get)
      assert_recognizes(options[:shallow_options].merge(:action => 'edit',    :id => '1', :format => 'xml'), :path => formatted_edit_member_path, :method => :get)
      assert_recognizes(options[:shallow_options].merge(:action => 'update',  :id => '1', :format => 'xml'), :path => "#{member_path}.xml",       :method => :put)
      assert_recognizes(options[:shallow_options].merge(:action => 'destroy', :id => '1', :format => 'xml'), :path => "#{member_path}.xml",       :method => :delete)

      yield options[:options] if block_given?
    end

    # test named routes like foo_path and foos_path map to the correct options.
    def assert_restful_named_routes_for(controller_name, singular_name = nil, options = {})
      if singular_name.is_a?(Hash)
        options       = singular_name
        singular_name = nil
      end
      singular_name ||= controller_name.to_s.singularize

      options[:options] ||= {}
      options[:options][:controller] = options[:controller] || controller_name.to_s

      if options[:shallow]
        options[:shallow_options] ||= {}
        options[:shallow_options][:controller] = options[:options][:controller]
      else
        options[:shallow_options] = options[:options]
      end

      @controller = "#{options[:options][:controller].camelize}Controller".constantize.new
      @controller.singleton_class.send(:include, @routes.url_helpers)
      @request    = ActionController::TestRequest.new
      @response   = ActionController::TestResponse.new
      get :index, options[:options]
      options[:options].delete :action

      path = "#{options[:as] || controller_name}"
      shallow_path = "/#{options[:shallow] ? options[:namespace] : options[:path_prefix]}#{path}"
      full_path = "/#{options[:path_prefix]}#{path}"
      name_prefix = options[:name_prefix]
      shallow_prefix = options[:shallow] ? options[:namespace].try(:gsub, /\//, '_') : options[:name_prefix]

      new_action  = "new"
      edit_action = "edit"
      if options[:path_names]
        new_action  = options[:path_names][:new]  || "new"
        edit_action = options[:path_names][:edit] || "edit"
      end

      assert_named_route "#{full_path}", "#{name_prefix}#{controller_name}_path", options[:options]
      assert_named_route "#{full_path}.xml", "#{name_prefix}#{controller_name}_path", options[:options].merge(:format => 'xml')
      assert_named_route "#{shallow_path}/1", "#{shallow_prefix}#{singular_name}_path", options[:shallow_options].merge(:id => '1')
      assert_named_route "#{shallow_path}/1.xml", "#{shallow_prefix}#{singular_name}_path", options[:shallow_options].merge(:id => '1', :format => 'xml')

      assert_named_route "#{full_path}/#{new_action}", "new_#{name_prefix}#{singular_name}_path", options[:options]
      assert_named_route "#{full_path}/#{new_action}.xml", "new_#{name_prefix}#{singular_name}_path", options[:options].merge(:format => 'xml')
      assert_named_route "#{shallow_path}/1/#{edit_action}", "edit_#{shallow_prefix}#{singular_name}_path", options[:shallow_options].merge(:id => '1')
      assert_named_route "#{shallow_path}/1/#{edit_action}.xml", "edit_#{shallow_prefix}#{singular_name}_path", options[:shallow_options].merge(:id => '1', :format => 'xml')

      yield options[:options] if block_given?
    end

    def assert_singleton_routes_for(singleton_name, options = {})
      options[:options] ||= {}
      options[:options][:controller] = options[:controller] || singleton_name.to_s.pluralize

      full_path           = "/#{options[:path_prefix]}#{options[:as] || singleton_name}"
      new_path            = "#{full_path}/new"
      edit_path           = "#{full_path}/edit"
      formatted_edit_path = "#{full_path}/edit.xml"

      with_options options[:options] do |controller|
        controller.assert_routing full_path,           :action => 'show'
        controller.assert_routing new_path,            :action => 'new'
        controller.assert_routing edit_path,           :action => 'edit'
        controller.assert_routing "#{full_path}.xml",  :action => 'show', :format => 'xml'
        controller.assert_routing "#{new_path}.xml",   :action => 'new',  :format => 'xml'
        controller.assert_routing formatted_edit_path, :action => 'edit', :format => 'xml'
      end

      assert_recognizes(options[:options].merge(:action => 'show'),    :path => full_path, :method => :get)
      assert_recognizes(options[:options].merge(:action => 'new'),     :path => new_path,  :method => :get)
      assert_recognizes(options[:options].merge(:action => 'edit'),    :path => edit_path, :method => :get)
      assert_recognizes(options[:options].merge(:action => 'create'),  :path => full_path, :method => :post)
      assert_recognizes(options[:options].merge(:action => 'update'),  :path => full_path, :method => :put)
      assert_recognizes(options[:options].merge(:action => 'destroy'), :path => full_path, :method => :delete)

      assert_recognizes(options[:options].merge(:action => 'show',    :format => 'xml'), :path => "#{full_path}.xml",  :method => :get)
      assert_recognizes(options[:options].merge(:action => 'new',     :format => 'xml'), :path => "#{new_path}.xml",   :method => :get)
      assert_recognizes(options[:options].merge(:action => 'edit',    :format => 'xml'), :path => formatted_edit_path, :method => :get)
      assert_recognizes(options[:options].merge(:action => 'create',  :format => 'xml'), :path => "#{full_path}.xml",  :method => :post)
      assert_recognizes(options[:options].merge(:action => 'update',  :format => 'xml'), :path => "#{full_path}.xml",  :method => :put)
      assert_recognizes(options[:options].merge(:action => 'destroy', :format => 'xml'), :path => "#{full_path}.xml",  :method => :delete)

      yield options[:options] if block_given?
    end

    def assert_singleton_named_routes_for(singleton_name, options = {})
      (options[:options] ||= {})[:controller] ||= singleton_name.to_s.pluralize
      @controller = "#{options[:options][:controller].camelize}Controller".constantize.new
      @controller.singleton_class.send(:include, @routes.url_helpers)
      @request    = ActionController::TestRequest.new
      @response   = ActionController::TestResponse.new
      get :show, options[:options]
      options[:options].delete :action

      full_path = "/#{options[:path_prefix]}#{options[:as] || singleton_name}"
      name_prefix = options[:name_prefix]

      assert_named_route "#{full_path}",          "#{name_prefix}#{singleton_name}_path",                options[:options]
      assert_named_route "#{full_path}.xml",      "#{name_prefix}#{singleton_name}_path",      options[:options].merge(:format => 'xml')

      assert_named_route "#{full_path}/new",      "new_#{name_prefix}#{singleton_name}_path",            options[:options]
      assert_named_route "#{full_path}/new.xml",  "new_#{name_prefix}#{singleton_name}_path",  options[:options].merge(:format => 'xml')
      assert_named_route "#{full_path}/edit",     "edit_#{name_prefix}#{singleton_name}_path",           options[:options]
      assert_named_route "#{full_path}/edit.xml", "edit_#{name_prefix}#{singleton_name}_path", options[:options].merge(:format => 'xml')
    end

    def assert_named_route(expected, route, options)
      actual =  @controller.send(route, options) rescue $!.class.name
      assert_equal expected, actual, "Error on route: #{route}(#{options.inspect})"
    end

    def assert_resource_methods(expected, resource, action_method, method)
      assert_equal expected.length, resource.send("#{action_method}_methods")[method].size, "#{resource.send("#{action_method}_methods")[method].inspect}"
      expected.each do |action|
        assert resource.send("#{action_method}_methods")[method].include?(action)
          "#{method} not in #{action_method} methods: #{resource.send("#{action_method}_methods")[method].inspect}"
      end
    end

    def assert_resource_allowed_routes(controller, options, shallow_options, allowed, not_allowed, path = controller)
      shallow_path = "#{path}/#{shallow_options[:id]}"
      format = options[:format] && ".#{options[:format]}"
      options.merge!(:controller => controller)
      shallow_options.merge!(options)

      assert_whether_allowed(allowed, not_allowed, options,         'index',    "#{path}#{format}",               :get)
      assert_whether_allowed(allowed, not_allowed, options,         'new',      "#{path}/new#{format}",           :get)
      assert_whether_allowed(allowed, not_allowed, options,         'create',   "#{path}#{format}",               :post)
      assert_whether_allowed(allowed, not_allowed, shallow_options, 'show',     "#{shallow_path}#{format}",       :get)
      assert_whether_allowed(allowed, not_allowed, shallow_options, 'edit',     "#{shallow_path}/edit#{format}",  :get)
      assert_whether_allowed(allowed, not_allowed, shallow_options, 'update',   "#{shallow_path}#{format}",       :put)
      assert_whether_allowed(allowed, not_allowed, shallow_options, 'destroy',  "#{shallow_path}#{format}",       :delete)
    end

    def assert_singleton_resource_allowed_routes(controller, options, allowed, not_allowed, path = controller.singularize)
      format = options[:format] && ".#{options[:format]}"
      options.merge!(:controller => controller)

      assert_whether_allowed(allowed, not_allowed, options, 'new',      "#{path}/new#{format}",   :get)
      assert_whether_allowed(allowed, not_allowed, options, 'create',   "#{path}#{format}",       :post)
      assert_whether_allowed(allowed, not_allowed, options, 'show',     "#{path}#{format}",       :get)
      assert_whether_allowed(allowed, not_allowed, options, 'edit',     "#{path}/edit#{format}",  :get)
      assert_whether_allowed(allowed, not_allowed, options, 'update',   "#{path}#{format}",       :put)
      assert_whether_allowed(allowed, not_allowed, options, 'destroy',  "#{path}#{format}",       :delete)
    end

    def assert_whether_allowed(allowed, not_allowed, options, action, path, method)
      action = action.to_sym
      options = options.merge(:action => action.to_s)
      path_options = { :path => path, :method => method }

      if Array(allowed).include?(action)
        assert_recognizes options, path_options
      elsif Array(not_allowed).include?(action)
        assert_not_recognizes options, path_options
      else
        raise Assertion, 'Invalid Action has passed'
      end
    end

    def assert_not_recognizes(expected_options, path)
      assert_raise Assertion do
        assert_recognizes(expected_options, path)
      end
    end
end