If IntegrationSession is initialized with an objects that responds to #routes, automatically extend the URL helpers from the RouteSet onto it

actionpack/lib/action_dispatch/routing/route_set.rb

@@ -203,7 +203,6 @@ module ActionDispatch
 
                 url_for(options)
               end
-              protected :#{selector}
             END_EVAL
             helpers << selector
           end

actionpack/lib/action_dispatch/testing/integration.rb

@@ -162,12 +162,31 @@ module ActionDispatch
       # A running counter of the number of requests processed.
       attr_accessor :request_count
 
+      include ActionDispatch::Routing::UrlFor
+
       # Create and initialize a new Session instance.
       def initialize(app)
         @app = app
+
+        # If the app is a Rails app, make url_helpers available on the session
+        # This makes app.url_for and app.foo_path available in the console
+        if app.respond_to?(:routes) && app.routes.respond_to?(:url_helpers)
+          singleton_class.class_eval { include app.routes.url_helpers }
+        end
+
         reset!
       end
 
+      def url_options
+        opts = super.reverse_merge(
+          :host => host,
+          :protocol => https? ? "https" : "http"
+        )
+
+        opts.merge!(:port => 443) if !opts.key?(:port) && https?
+        opts
+      end
+
       # Resets the instance. This can be used to reset the state information
       # in an existing session instance, so it can be used from a clean-slate
       # condition.
@@ -346,13 +365,8 @@ module ActionDispatch
       include ActionDispatch::Routing::UrlFor
 
       def url_options
-        opts = super.reverse_merge(
+        reset! unless @integration_session
-          :host => host,
+        @integration_session.url_options
-          :protocol => https? ? "https" : "http"
-        )
-
-        opts.merge!(:port => 443) if !opts.key?(:port) && https?
-        opts
       end
 
       # Delegate unhandled messages to the current session instance.

actionpack/test/abstract_unit.rb

@@ -85,6 +85,7 @@ end
 
 class RoutedRackApp
   attr_reader :router
+  alias routes router
 
   def initialize(router, &blk)
     @router = router

actionpack/test/controller/caching_test.rb

@@ -511,7 +511,6 @@ class ActionCacheTest < ActionController::TestCase
       @request    = ActionController::TestRequest.new
       @response   = ActionController::TestResponse.new
       @controller = ActionCachingTestController.new
-      # ROUTES TODO: It seems bad to explicitly remix in the class
       @controller.singleton_class.send(:include, @router.url_helpers)
       @request.host = 'hostname.com'
     end

actionpack/test/controller/integration_test.rb

@@ -178,8 +178,8 @@ class IntegrationTestTest < Test::Unit::TestCase
     session1 = @test.open_session { |sess| }
     session2 = @test.open_session # implicit session
 
-    assert_equal ::ActionController::Integration::Session, session1.class
+    assert_kind_of ::ActionController::Integration::Session, session1
-    assert_equal ::ActionController::Integration::Session, session2.class
+    assert_kind_of ::ActionController::Integration::Session, session2
     assert_not_equal session1, session2
   end
 
@@ -221,8 +221,6 @@ class IntegrationTestUsesCorrectClass < ActionController::IntegrationTest
 end
 
 class IntegrationProcessTest < ActionController::IntegrationTest
-  include SharedTestRoutes.url_helpers
-
   class IntegrationController < ActionController::Base
     def get
       respond_to do |format|

actionpack/test/controller/resources_test.rb

@@ -1230,7 +1230,6 @@ class ResourcesTest < ActionController::TestCase
       end
 
       @controller = "#{options[:options][:controller].camelize}Controller".constantize.new
-      # ROUTES TODO: Figure out a way to not extend the routing helpers here
       @controller.singleton_class.send(:include, @router.url_helpers)
       @request    = ActionController::TestRequest.new
       @response   = ActionController::TestResponse.new