diff --git a/actionpack/lib/action_controller/test_case.rb b/actionpack/lib/action_controller/test_case.rb
index 7ed1a3e1600cf41de4b930937003912f1123252e..93a0be41277345f3b080cc8d86716cc01632b99a 100644
--- a/actionpack/lib/action_controller/test_case.rb
+++ b/actionpack/lib/action_controller/test_case.rb
@@ -1,4 +1,5 @@
 require 'active_support/test_case'
+require 'action_controller/test_process'
 
 module ActionController
   # Superclass for ActionController functional tests. Functional tests allow you to
@@ -102,6 +103,8 @@ module ActionController
   #
   #  assert_redirected_to page_url(:title => 'foo')
   class TestCase < ActiveSupport::TestCase
+    include TestProcess
+
     module Assertions
       %w(response selector tag dom routing model).each do |kind|
         include ActionController::Assertions.const_get("#{kind.camelize}Assertions")
diff --git a/actionpack/lib/action_controller/test_process.rb b/actionpack/lib/action_controller/test_process.rb
index 285a8b09e49a28fa5488eab66fff8fccb9602eb7..8180d4ee939596fc7843ab097c14216e6206219e 100644
--- a/actionpack/lib/action_controller/test_process.rb
+++ b/actionpack/lib/action_controller/test_process.rb
@@ -1,32 +1,4 @@
-require 'action_controller/test_case'
-
 module ActionController #:nodoc:
-  class Base
-    attr_reader :assigns
-
-    # Process a test request called with a TestRequest object.
-    def self.process_test(request)
-      new.process_test(request)
-    end
-
-    def process_test(request) #:nodoc:
-      process(request, TestResponse.new)
-    end
-
-    def process_with_test(*args)
-      returning process_without_test(*args) do
-        @assigns = {}
-        (instance_variable_names - @@protected_instance_variables).each do |var|
-          value = instance_variable_get(var)
-          @assigns[var[1..-1]] = value
-          response.template.assigns[var[1..-1]] = value if response
-        end
-      end
-    end
-
-    alias_method_chain :process, :test
-  end
-
   class TestRequest < Request #:nodoc:
     attr_accessor :cookies, :session_options
     attr_accessor :query_parameters, :path, :session
@@ -433,7 +405,9 @@ def process(action, parameters = nil, session = nil, flash = nil, http_method =
       @request.session = ActionController::TestSession.new(session) unless session.nil?
       @request.session["flash"] = ActionController::Flash::FlashHash.new.update(flash) if flash
       build_request_uri(action, parameters)
-      @controller.process(@request, @response)
+
+      Base.class_eval { include ProcessWithTest } unless Base < ProcessWithTest
+      @controller.process_with_test(@request, @response)
     end
 
     def xml_http_request(request_method, action, parameters = nil, session = nil, flash = nil)
@@ -545,12 +519,24 @@ def with_routing
       ActionController::Routing.const_set(:Routes, real_routes) if real_routes
     end
   end
-end
 
-module Test
-  module Unit
-    class TestCase #:nodoc:
-      include ActionController::TestProcess
+  module ProcessWithTest #:nodoc:
+    def self.included(base)
+      base.class_eval { attr_reader :assigns }
+    end
+
+    def process_with_test(*args)
+      process(*args).tap { set_test_assigns }
     end
+
+    private
+      def set_test_assigns
+        @assigns = {}
+        (instance_variable_names - self.class.protected_instance_variables).each do |var|
+          name, value = var[1..-1], instance_variable_get(var)
+          @assigns[name] = value
+          response.template.assigns[name] = value if response
+        end
+      end
   end
 end
diff --git a/actionpack/lib/action_view/test_case.rb b/actionpack/lib/action_view/test_case.rb
index 65839256aa8386736553066c822b3777c728a9ec..ec337bb05b12bc6eaffe99b9f420034b14d664dc 100644
--- a/actionpack/lib/action_view/test_case.rb
+++ b/actionpack/lib/action_view/test_case.rb
@@ -23,6 +23,7 @@ def render(view, local_assigns = {})
 
   class TestCase < ActiveSupport::TestCase
     include ActionController::TestCase::Assertions
+    include ActionController::TestProcess
 
     class_inheritable_accessor :helper_class
     @@helper_class = nil
diff --git a/actionpack/test/controller/addresses_render_test.rb b/actionpack/test/controller/addresses_render_test.rb
index b26cae24fbd31381bc82227edd79b0115ed4ea76..556b0593eaef6a5f5f4cacba8a1441d449ac2c0e 100644
--- a/actionpack/test/controller/addresses_render_test.rb
+++ b/actionpack/test/controller/addresses_render_test.rb
@@ -19,17 +19,14 @@ def self.controller_name; "addresses"; end
   def self.controller_path; "addresses"; end
 end
 
-class AddressesTest < Test::Unit::TestCase
-  def setup
-    @controller = AddressesTestController.new
+class AddressesTest < ActionController::TestCase
+  tests AddressesTestController
 
+  def setup
     # enable a logger so that (e.g.) the benchmarking stuff runs, so we can get
     # a more accurate simulation of what happens in "real life".
     @controller.logger = Logger.new(nil)
 
-    @request    = ActionController::TestRequest.new
-    @response   = ActionController::TestResponse.new
-
     @request.host = "www.nextangle.com"
   end
 
diff --git a/actionpack/test/controller/base_test.rb b/actionpack/test/controller/base_test.rb
index 18d185b26494d23fef8922a7b876b29605077b4d..9523189f412d86de15d26c0987d3ccf4fb28b779 100644
--- a/actionpack/test/controller/base_test.rb
+++ b/actionpack/test/controller/base_test.rb
@@ -129,6 +129,8 @@ def use_controller(controller_class)
     @response   = ActionController::TestResponse.new
 
     @request.host = "www.nextangle.com"
+
+    rescue_action_in_public!
   end
   
   def test_get_on_priv_should_show_selector
@@ -164,14 +166,12 @@ def test_namespaced_action_should_log_module_name
   end
 end
 
-class DefaultUrlOptionsTest < Test::Unit::TestCase
-  def setup
-    @controller = DefaultUrlOptionsController.new
-
-    @request    = ActionController::TestRequest.new
-    @response   = ActionController::TestResponse.new
+class DefaultUrlOptionsTest < ActionController::TestCase
+  tests DefaultUrlOptionsController
 
+  def setup
     @request.host = 'www.example.com'
+    rescue_action_in_public!
   end
 
   def test_default_url_options_are_used_if_set
@@ -189,14 +189,12 @@ def test_default_url_options_are_used_if_set
   end
 end
 
-class EmptyUrlOptionsTest < Test::Unit::TestCase
-  def setup
-    @controller = NonEmptyController.new
-
-    @request    = ActionController::TestRequest.new
-    @response   = ActionController::TestResponse.new
+class EmptyUrlOptionsTest < ActionController::TestCase
+  tests NonEmptyController
 
+  def setup
     @request.host = 'www.example.com'
+    rescue_action_in_public!
   end
 
   def test_ensure_url_for_works_as_expected_when_called_with_no_options_if_default_url_options_is_not_set
diff --git a/actionpack/test/controller/benchmark_test.rb b/actionpack/test/controller/benchmark_test.rb
index 608ea5f5a9e3d2b8d8e99cac075e09f0932abee1..f9100a2313094f12203a12b7c667816f4c6edbb0 100644
--- a/actionpack/test/controller/benchmark_test.rb
+++ b/actionpack/test/controller/benchmark_test.rb
@@ -11,17 +11,17 @@ def rescue_action(e)
   end
 end
 
-class BenchmarkTest < Test::Unit::TestCase
+class BenchmarkTest < ActionController::TestCase
+  tests BenchmarkedController
+
   class MockLogger
     def method_missing(*args)
     end
   end
 
   def setup
-    @controller = BenchmarkedController.new
     # benchmark doesn't do anything unless a logger is set
     @controller.logger = MockLogger.new
-    @request, @response = ActionController::TestRequest.new, ActionController::TestResponse.new
     @request.host = "test.actioncontroller.i"
   end
 
diff --git a/actionpack/test/controller/capture_test.rb b/actionpack/test/controller/capture_test.rb
index 5ded6a5d264f45bb92ce5d3378e5ac0be8bf17a1..6dfa0995ebb73709aeace88443e516356a45df91 100644
--- a/actionpack/test/controller/capture_test.rb
+++ b/actionpack/test/controller/capture_test.rb
@@ -23,17 +23,14 @@ def non_erb_block_content_for
   def rescue_action(e) raise end
 end
 
-class CaptureTest < Test::Unit::TestCase
-  def setup
-    @controller = CaptureController.new
+class CaptureTest < ActionController::TestCase
+  tests CaptureController
 
+  def setup
     # enable a logger so that (e.g.) the benchmarking stuff runs, so we can get
     # a more accurate simulation of what happens in "real life".
     @controller.logger = Logger.new(nil)
 
-    @request    = ActionController::TestRequest.new
-    @response   = ActionController::TestResponse.new
-
     @request.host = "www.nextangle.com"
   end
 
diff --git a/actionpack/test/controller/content_type_test.rb b/actionpack/test/controller/content_type_test.rb
index ae71d62e119eb268c0e1fa39c76ee43713f335cb..32c1757ef9765af3c287e0a461b0ad0f9f915fa8 100644
--- a/actionpack/test/controller/content_type_test.rb
+++ b/actionpack/test/controller/content_type_test.rb
@@ -50,16 +50,13 @@ def render_default_content_types_for_respond_to
   def rescue_action(e) raise end
 end
 
-class ContentTypeTest < Test::Unit::TestCase
-  def setup
-    @controller = ContentTypeController.new
+class ContentTypeTest < ActionController::TestCase
+  tests ContentTypeController
 
+  def setup
     # enable a logger so that (e.g.) the benchmarking stuff runs, so we can get
     # a more accurate simulation of what happens in "real life".
     @controller.logger = Logger.new(nil)
-
-    @request    = ActionController::TestRequest.new
-    @response   = ActionController::TestResponse.new
   end
 
   def test_render_defaults
diff --git a/actionpack/test/controller/cookie_test.rb b/actionpack/test/controller/cookie_test.rb
index 3ddc5768a927639a31c1140614c34f10049e5a0e..9508348ca17fe5343ddcac09df4e3bd099d523b1 100644
--- a/actionpack/test/controller/cookie_test.rb
+++ b/actionpack/test/controller/cookie_test.rb
@@ -1,6 +1,6 @@
 require 'abstract_unit'
 
-class CookieTest < Test::Unit::TestCase
+class CookieTest < ActionController::TestCase
   class TestController < ActionController::Base
     def authenticate
       cookies["user_name"] = "david"
@@ -41,11 +41,9 @@ def rescue_action(e)
     end
   end
 
-  def setup
-    @request  = ActionController::TestRequest.new
-    @response = ActionController::TestResponse.new
+  tests TestController
 
-    @controller = TestController.new
+  def setup
     @request.host = "www.nextangle.com"
   end
 
diff --git a/actionpack/test/controller/filters_test.rb b/actionpack/test/controller/filters_test.rb
index dafa3444737512caf0dec2a275030e4159cad3b3..e83fde234915ef82df58edf0d20f741bb7ade5f0 100644
--- a/actionpack/test/controller/filters_test.rb
+++ b/actionpack/test/controller/filters_test.rb
@@ -634,9 +634,11 @@ def test_a_rescuing_around_filter
 
   private
     def test_process(controller, action = "show")
+      ActionController::Base.class_eval { include ActionController::ProcessWithTest } unless ActionController::Base < ActionController::ProcessWithTest
       request = ActionController::TestRequest.new
       request.action = action
-      controller.process(request, ActionController::TestResponse.new)
+      controller = controller.new if controller.is_a?(Class)
+      controller.process_with_test(request, ActionController::TestResponse.new)
     end
 end
 
@@ -874,8 +876,10 @@ def test_last_filter_in_multiple_before_filter_chain_halts
 
   protected
     def test_process(controller, action = "show")
+      ActionController::Base.class_eval { include ActionController::ProcessWithTest } unless ActionController::Base < ActionController::ProcessWithTest
       request = ActionController::TestRequest.new
       request.action = action
-      controller.process(request, ActionController::TestResponse.new)
+      controller = controller.new if controller.is_a?(Class)
+      controller.process_with_test(request, ActionController::TestResponse.new)
     end
 end
diff --git a/actionpack/test/controller/flash_test.rb b/actionpack/test/controller/flash_test.rb
index e562531bf37aebb32e8a327dd87083272380aff1..d8a892811ef588ead7210115f414093c9b5d5ae5 100644
--- a/actionpack/test/controller/flash_test.rb
+++ b/actionpack/test/controller/flash_test.rb
@@ -1,6 +1,6 @@
 require 'abstract_unit'
 
-class FlashTest < Test::Unit::TestCase
+class FlashTest < ActionController::TestCase
   class TestController < ActionController::Base
     def set_flash
       flash["that"] = "hello"
@@ -73,11 +73,7 @@ def halt_and_redir
     end
   end
 
-  def setup
-    @request    = ActionController::TestRequest.new
-    @response   = ActionController::TestResponse.new
-    @controller = TestController.new
-  end
+  tests TestController
 
   def test_flash
     get :set_flash
diff --git a/actionpack/test/controller/send_file_test.rb b/actionpack/test/controller/send_file_test.rb
index 1b7486ad3403daad77c072347ff31dabdae48318..5fc79baa4449d010ed9d0595b78ded1a54bfc5d9 100644
--- a/actionpack/test/controller/send_file_test.rb
+++ b/actionpack/test/controller/send_file_test.rb
@@ -19,7 +19,8 @@ def data() send_data(file_data, options) end
   def rescue_action(e) raise end
 end
 
-class SendFileTest < Test::Unit::TestCase
+class SendFileTest < ActionController::TestCase
+  tests SendFileController
   include TestFileUtils
 
   Mime::Type.register "image/png", :png unless defined? Mime::PNG
diff --git a/railties/lib/test_help.rb b/railties/lib/test_help.rb
index 93ba1bc216555cf537a10e777be509a8122217e1..ee24ea3a45de3c63bb0dde672488b1e6dcde246d 100644
--- a/railties/lib/test_help.rb
+++ b/railties/lib/test_help.rb
@@ -3,7 +3,7 @@
 silence_warnings { RAILS_ENV = "test" }
 
 require 'test/unit'
-require 'action_controller/test_process'
+require 'action_controller/test_case'
 require 'action_view/test_case'
 require 'action_controller/integration'
 require 'action_mailer/test_case' if defined?(ActionMailer)