Merge remote branch 'mainstream/master'

40 files changed, 762 insertions, 648 deletions

diff --git a/railties/test/abstract_unit.rb b/railties/test/abstract_unit.rb
index 47013d7797..2d6983076a 100644
--- a/railties/test/abstract_unit.rb
+++ b/railties/test/abstract_unit.rb
@@ -20,8 +20,10 @@ require 'active_support/core_ext/logger'
 require 'active_support/test_case'
 
 require 'action_controller'
-require 'rails'
+require 'rails/all'
 
-Rails::Initializer.run do |config|
+# TODO: Remove these hacks
+class TestApp < Rails::Application
   config.root = File.dirname(__FILE__)
 end
+Rails.application = TestApp
diff --git a/railties/test/application/configuration_test.rb b/railties/test/application/configuration_test.rb
index a3e1916494..79dfacdcdb 100644
--- a/railties/test/application/configuration_test.rb
+++ b/railties/test/application/configuration_test.rb
@@ -4,9 +4,19 @@ module ApplicationTests
   class InitializerTest < Test::Unit::TestCase
     include ActiveSupport::Testing::Isolation
 
+    def new_app
+      File.expand_path("#{app_path}/../new_app")
+    end
+
+    def copy_app
+      FileUtils.cp_r(app_path, new_app)
+    end
+
     def setup
+      FileUtils.rm_rf(new_app) if File.directory?(new_app)
       build_app
       boot_rails
+      FileUtils.rm_rf("#{app_path}/config/environments")
     end
 
     test "the application root is set correctly" do
@@ -14,35 +24,103 @@ module ApplicationTests
       assert_equal Pathname.new(app_path), Rails.application.root
     end
 
+    test "the application root can be seen from the application singleton" do
+      require "#{app_path}/config/environment"
+      assert_equal Pathname.new(app_path), AppTemplate::Application.root
+    end
+
     test "the application root can be set" do
-      FileUtils.mkdir_p("#{app_path}/hello")
+      copy_app
       add_to_config <<-RUBY
-        config.frameworks = []
-        config.root = '#{app_path}/hello'
+        config.root = '#{new_app}'
       RUBY
+
+      use_frameworks []
+
+      require "#{app_path}/config/environment"
+      assert_equal Pathname.new(new_app), Rails.application.root
+    end
+
+    test "the application root is Dir.pwd if there is no config.ru" do
+      File.delete("#{app_path}/config.ru")
+
+      use_frameworks []
+
+      Dir.chdir("#{app_path}") do
+        require "#{app_path}/config/environment"
+        assert_equal Pathname.new("#{app_path}"), Rails.application.root
+      end
+    end
+
+    test "if there's no config.active_support.bare, all of ActiveSupport is required" do
+      use_frameworks []
       require "#{app_path}/config/environment"
-      assert_equal Pathname.new("#{app_path}/hello"), Rails.application.root
+      assert_nothing_raised { [1,2,3].rand }
     end
 
-    test "the application root is detected as where config.ru is located" do
+    test "config.active_support.bare does not require all of ActiveSupport" do
+      add_to_config "config.active_support.bare = true"
+
+      use_frameworks []
+
+      Dir.chdir("#{app_path}/app") do
+        require "#{app_path}/config/environment"
+        assert_raises(NoMethodError) { [1,2,3].rand }
+      end
+    end
+
+    test "marking the application as threadsafe sets the correct config variables" do
       add_to_config <<-RUBY
-        config.frameworks = []
+        config.threadsafe!
       RUBY
-      FileUtils.mv "#{app_path}/config.ru", "#{app_path}/config/config.ru"
+
+      require "#{app_path}/config/application"
+      assert AppTemplate::Application.config.action_controller.allow_concurrency
+    end
+
+    test "the application can be marked as threadsafe when there are no frameworks" do
+      FileUtils.rm_rf("#{app_path}/config/environments")
+      add_to_config <<-RUBY
+        config.threadsafe!
+      RUBY
+
+      use_frameworks []
+
+      assert_nothing_raised do
+        require "#{app_path}/config/application"
+      end
+    end
+
+    test "Frameworks are not preloaded by default" do
       require "#{app_path}/config/environment"
-      assert_equal Pathname.new("#{app_path}/config"), Rails.application.root
+
+      assert ActionController.autoload?(:RecordIdentifier)
     end
 
-    test "the application root is Dir.pwd if there is no config.ru" do
-      File.delete("#{app_path}/config.ru")
+    test "frameworks are preloaded with config.preload_frameworks is set" do
       add_to_config <<-RUBY
-        config.frameworks = []
+        config.preload_frameworks = true
       RUBY
 
-      Dir.chdir("#{app_path}/app") do
+      require "#{app_path}/config/environment"
+
+      assert !ActionController.autoload?(:RecordIdentifier)
+    end
+
+    test "runtime error is raised if config.frameworks= is used" do
+      add_to_config "config.frameworks = []"
+
+      assert_raises RuntimeError do
+        require "#{app_path}/config/environment"
+      end
+    end
+
+    test "runtime error is raised if config.frameworks is used" do
+      add_to_config "config.frameworks -= []"
+
+      assert_raises RuntimeError do
         require "#{app_path}/config/environment"
-        assert_equal Pathname.new("#{app_path}/app"), Rails.application.root
       end
     end
   end
-end
\ No newline at end of file
+end
diff --git a/railties/test/application/generators_test.rb b/railties/test/application/generators_test.rb
index ccbcd84176..0c858d6394 100644
--- a/railties/test/application/generators_test.rb
+++ b/railties/test/application/generators_test.rb
@@ -7,12 +7,20 @@ module ApplicationTests
     def setup
       build_app
       boot_rails
-      require "rails"
+    end
+
+    def app_const
+      @app_const ||= Class.new(Rails::Application)
+    end
+
+    def with_config
+      require "rails/all"
       require "rails/generators"
+      yield app_const.config
     end
 
     test "generators default values" do
-      Rails::Initializer.run do |c|
+      with_config do |c|
         assert_equal(true, c.generators.colorize_logging)
         assert_equal({}, c.generators.aliases)
         assert_equal({}, c.generators.options)
@@ -20,7 +28,7 @@ module ApplicationTests
     end
 
     test "generators set rails options" do
-      Rails::Initializer.run do |c|
+      with_config do |c|
         c.generators.orm            = :datamapper
         c.generators.test_framework = :rspec
         c.generators.helper         = false
@@ -30,7 +38,7 @@ module ApplicationTests
     end
 
     test "generators set rails aliases" do
-      Rails::Initializer.run do |c|
+      with_config do |c|
         c.generators.aliases = { :rails => { :test_framework => "-w" } }
         expected = { :rails => { :test_framework => "-w" } }
         assert_equal expected, c.generators.aliases
@@ -38,14 +46,15 @@ module ApplicationTests
     end
 
     test "generators aliases and options on initialization" do
-      Rails::Initializer.run do |c|
-        c.frameworks = []
-        c.generators.rails :aliases => { :test_framework => "-w" }
-        c.generators.orm :datamapper
-        c.generators.test_framework :rspec
-      end
+      add_to_config <<-RUBY
+        config.generators.rails :aliases => { :test_framework => "-w" }
+        config.generators.orm :datamapper
+        config.generators.test_framework :rspec
+      RUBY
+
+      require "#{app_path}/config/environment"
       # Initialize the application
-      Rails.initialize!
+      require "rails/generators"
       Rails::Generators.configure!
 
       assert_equal :rspec, Rails::Generators.options[:rails][:test_framework]
@@ -53,19 +62,20 @@ module ApplicationTests
     end
 
     test "generators no color on initialization" do
-      Rails::Initializer.run do |c|
-        c.frameworks = []
-        c.generators.colorize_logging = false
-      end
+      add_to_config <<-RUBY
+        config.generators.colorize_logging = false
+      RUBY
+
       # Initialize the application
-      Rails.initialize!
+      require "#{app_path}/config/environment"
+      require "rails/generators"
       Rails::Generators.configure!
 
       assert_equal Thor::Base.shell, Thor::Shell::Basic
     end
 
     test "generators with hashes for options and aliases" do
-      Rails::Initializer.run do |c|
+      with_config do |c|
         c.generators do |g|
           g.orm    :datamapper, :migration => false
           g.plugin :aliases => { :generator => "-g" },
@@ -84,7 +94,7 @@ module ApplicationTests
     end
 
     test "generators with hashes are deep merged" do
-      Rails::Initializer.run do |c|
+      with_config do |c|
         c.generators do |g|
           g.orm    :datamapper, :migration => false
           g.plugin :aliases => { :generator => "-g" },
diff --git a/railties/test/application/initializer_test.rb b/railties/test/application/initializer_test.rb
index 719520bf68..3fd0b0e5df 100644
--- a/railties/test/application/initializer_test.rb
+++ b/railties/test/application/initializer_test.rb
@@ -7,45 +7,18 @@ module ApplicationTests
     def setup
       build_app
       boot_rails
-      require "rails"
-    end
-
-    test "initializing an application initializes rails" do
-      Rails::Initializer.run do |config|
-        config.root = app_path
-      end
-
-      if RUBY_VERSION < '1.9'
-        $KCODE = ''
-        Rails.initialize!
-        assert_equal 'UTF8', $KCODE
-      else
-        Encoding.default_external = Encoding::US_ASCII
-        Rails.initialize!
-        assert_equal Encoding::UTF_8, Encoding.default_external
-      end
+      FileUtils.rm_rf "#{app_path}/config/environments"
     end
 
     test "initializing an application adds the application paths to the load path" do
-      Rails::Initializer.run do |config|
-        config.root = app_path
-      end
+      add_to_config <<-RUBY
+        config.root = "#{app_path}"
+      RUBY
 
-      Rails.initialize!
+      require "#{app_path}/config/environment"
       assert $:.include?("#{app_path}/app/models")
     end
 
-    test "adding an unknown framework raises an error" do
-      Rails::Initializer.run do |config|
-        config.root = app_path
-        config.frameworks << :action_foo
-      end
-
-      assert_raises RuntimeError do
-        Rails.initialize!
-      end
-    end
-
     test "eager loading loads parent classes before children" do
       app_file "lib/zoo.rb", <<-ZOO
         class Zoo ; include ReptileHouse ; end
@@ -54,12 +27,12 @@ module ApplicationTests
         module Zoo::ReptileHouse ; end
       ZOO
 
-      Rails::Initializer.run do |config|
-        config.root = app_path
+      add_to_config <<-RUBY
+        config.root = "#{app_path}"
         config.eager_load_paths = "#{app_path}/lib"
-      end
+      RUBY
 
-      Rails.initialize!
+      require "#{app_path}/config/environment"
 
       assert Zoo
     end
@@ -67,41 +40,44 @@ module ApplicationTests
     test "load environment with global" do
       app_file "config/environments/development.rb", "$initialize_test_set_from_env = 'success'"
       assert_nil $initialize_test_set_from_env
-      Rails::Initializer.run { |config| config.root = app_path }
-      Rails.initialize!
+      add_to_config <<-RUBY
+        config.root = "#{app_path}"
+      RUBY
+      require "#{app_path}/config/environment"
       assert_equal "success", $initialize_test_set_from_env
     end
 
     test "action_controller load paths set only if action controller in use" do
       assert_nothing_raised NameError do
-        Rails::Initializer.run do |config|
-          config.root = app_path
-          config.frameworks = []
-        end
-        Rails.initialize!
+        add_to_config <<-RUBY
+          config.root = "#{app_path}"
+        RUBY
+
+        use_frameworks []
+        require "#{app_path}/config/environment"
       end
     end
 
     test "after_initialize block works correctly" do
-      Rails::Initializer.run do |config|
-        config.root = app_path
+      add_to_config <<-RUBY
+        config.root = "#{app_path}"
         config.after_initialize { $test_after_initialize_block1 = "success" }
         config.after_initialize { $test_after_initialize_block2 = "congratulations" }
-      end
-      Rails.initialize!
+      RUBY
+      require "#{app_path}/config/environment"
 
       assert_equal "success", $test_after_initialize_block1
       assert_equal "congratulations", $test_after_initialize_block2
     end
 
     test "after_initialize block works correctly when no block is passed" do
-      Rails::Initializer.run do |config|
-        config.root = app_path
+      add_to_config <<-RUBY
+        config.root = "#{app_path}"
         config.after_initialize { $test_after_initialize_block1 = "success" }
         config.after_initialize # don't pass a block, this is what we're testing!
         config.after_initialize { $test_after_initialize_block2 = "congratulations" }
-      end
-      Rails.initialize!
+      RUBY
+      require "#{app_path}/config/environment"
 
       assert_equal "success", $test_after_initialize_block1
       assert_equal "congratulations", $test_after_initialize_block2
@@ -109,35 +85,40 @@ module ApplicationTests
 
     # i18n
     test "setting another default locale" do
-      Rails::Initializer.run do |config|
-        config.root = app_path
+      add_to_config <<-RUBY
+        config.root = "#{app_path}"
         config.i18n.default_locale = :de
-      end
-      Rails.initialize!
+      RUBY
+      require "#{app_path}/config/environment"
 
       assert_equal :de, I18n.default_locale
     end
 
     test "no config locales dir present should return empty load path" do
       FileUtils.rm_rf "#{app_path}/config/locales"
-      Rails::Initializer.run do |c|
-        c.root = app_path
-        assert_equal [], c.i18n.load_path
-      end
+      add_to_config <<-RUBY
+        config.root = "#{app_path}"
+      RUBY
+      require "#{app_path}/config/environment"
+
+      assert_equal [], Rails.application.config.i18n.load_path
     end
 
     test "config locales dir present should be added to load path" do
-      Rails::Initializer.run do |c|
-        c.root = app_path
-        assert_equal ["#{app_path}/config/locales/en.yml"], c.i18n.load_path
-      end
+      add_to_config <<-RUBY
+        config.root = "#{app_path}"
+      RUBY
+
+      require "#{app_path}/config/environment"
+      assert_equal ["#{app_path}/config/locales/en.yml"],  Rails.application.config.i18n.load_path
     end
 
     test "config defaults should be added with config settings" do
-      Rails::Initializer.run do |c|
-        c.root = app_path
-        c.i18n.load_path << "my/other/locale.yml"
-      end
+      add_to_config <<-RUBY
+        config.root = "#{app_path}"
+        config.i18n.load_path << "my/other/locale.yml"
+      RUBY
+      require "#{app_path}/config/environment"
 
       assert_equal [
         "#{app_path}/config/locales/en.yml", "my/other/locale.yml"
@@ -146,64 +127,48 @@ module ApplicationTests
 
     # DB middleware
     test "database middleware doesn't initialize when session store is not active_record" do
-      Rails::Initializer.run do |config|
-        config.root = app_path
+      add_to_config <<-RUBY
+        config.root = "#{app_path}"
         config.action_controller.session_store = :cookie_store
-      end
-      Rails.initialize!
+      RUBY
+      require "#{app_path}/config/environment"
 
       assert !Rails.application.config.middleware.include?(ActiveRecord::SessionStore)
     end
 
-    test "database middleware doesn't initialize when activerecord is not in frameworks" do
-      Rails::Initializer.run do |c|
-        c.root = app_path
-        c.frameworks = []
-      end
-      assert_equal [], Rails.application.config.middleware
-    end
-
     test "database middleware initializes when session store is active record" do
-      Rails::Initializer.run do |c|
-        c.root = app_path
-        c.action_controller.session_store = :active_record_store
-      end
-      Rails.initialize!
+      add_to_config "config.action_controller.session_store = :active_record_store"
+
+      require "#{app_path}/config/environment"
 
       expects = [ActiveRecord::ConnectionAdapters::ConnectionManagement, ActiveRecord::QueryCache, ActiveRecord::SessionStore]
       middleware = Rails.application.config.middleware.map { |m| m.klass }
       assert_equal expects, middleware & expects
     end
 
-    test "ensure database middleware doesn't use action_controller on initializing" do
-      Rails::Initializer.run do |c|
-        c.root = app_path
-        c.frameworks -= [:action_controller]
-        c.action_controller.session_store = :active_record_store
-      end
-      Rails.initialize!
-
-      assert !Rails.application.config.middleware.include?(ActiveRecord::SessionStore)
+    test "Rails.root should be a Pathname" do
+      add_to_config <<-RUBY
+        config.root = "#{app_path}"
+      RUBY
+      require "#{app_path}/config/environment"
+      assert_instance_of Pathname, Rails.root
     end
+  end
 
-    # Pathview test
-    test "load view paths doesn't perform anything when action_view not in frameworks" do
-      Rails::Initializer.run do |c|
-        c.root = app_path
-        c.frameworks -= [:action_view]
-      end
-      Rails.initialize!
+  class InitializerCustomFrameworkExtensionsTest < Test::Unit::TestCase
+    include ActiveSupport::Testing::Isolation
 
-      assert_equal nil, ActionMailer::Base.template_root
-      assert_equal [], ActionController::Base.view_paths
+    def setup
+      build_app
+      boot_rails
+      FileUtils.rm_rf "#{app_path}/config/environments"
     end
 
-    test "Rails.root should be a Pathname" do
-      Rails::Initializer.run do |c|
-        c.root = app_path
-      end
-      Rails.initialize!
-      assert_instance_of Pathname, Rails.root
+    test "database middleware doesn't initialize when activerecord is not in frameworks" do
+      use_frameworks []
+      require "#{app_path}/config/environment"
+
+      assert_nil defined?(ActiveRecord)
     end
   end
-end
\ No newline at end of file
+end
diff --git a/railties/test/application/load_test.rb b/railties/test/application/load_test.rb
index 3da51c4355..1c5811b07a 100644
--- a/railties/test/application/load_test.rb
+++ b/railties/test/application/load_test.rb
@@ -1,27 +1,13 @@
 require "isolation/abstract_unit"
-# require "rails"
-# require 'action_dispatch'
 
 module ApplicationTests
   class LoadTest < Test::Unit::TestCase
     include ActiveSupport::Testing::Isolation
 
     def rackup
-      config = "#{app_path}/config.ru"
-      # Copied from ActionDispatch::Utils.parse_config
-      # ActionDispatch is not necessarily available at this point.
-      require 'rack'
-      if config =~ /\.ru$/
-        cfgfile = ::File.read(config)
-        if cfgfile[/^#\\(.*)/]
-          opts.parse! $1.split(/\s+/)
-        end
-        inner_app = eval "Rack::Builder.new {( " + cfgfile + "\n )}.to_app",
-                         nil, config
-      else
-        require config
-        inner_app = Object.const_get(::File.basename(config, '.rb').capitalize)
-      end
+      require "rack"
+      app, options = Rack::Builder.parse_file("#{app_path}/config.ru")
+      app
     end
 
     def setup
@@ -34,20 +20,22 @@ module ApplicationTests
     end
 
     test "config.ru can be racked up" do
-      @app = rackup
-      assert_welcome get("/")
+      Dir.chdir app_path do
+        @app = rackup
+        assert_welcome get("/")
+      end
     end
 
     test "Rails.application is available after config.ru has been racked up" do
       rackup
-      assert Rails.application < Rails::Application
+      assert Rails.application.is_a?(Rails::Application)
     end
 
     # Passenger still uses AC::Dispatcher, so we need to
     # keep it working for now
     test "deprecated ActionController::Dispatcher still works" do
       rackup
-      assert ActionController::Dispatcher.new < Rails::Application
+      assert ActionController::Dispatcher.new.is_a?(Rails::Application)
     end
 
     test "the config object is available on the application object" do
diff --git a/railties/test/application/notifications_test.rb b/railties/test/application/notifications_test.rb
index 62ed4f4ad4..b57e829cca 100644
--- a/railties/test/application/notifications_test.rb
+++ b/railties/test/application/notifications_test.rb
@@ -1,46 +1,39 @@
 require "isolation/abstract_unit"
 
 module ApplicationTests
-  class NotificationsTest < Test::Unit::TestCase
-    include ActiveSupport::Testing::Isolation
-
-    class MyQueue
-      attr_reader :events, :subscribers
-
-      def initialize
-        @events = []
-        @subscribers = []
-      end
-
-      def publish(name, *args)
-        @events << name
-      end
+  class MyQueue
+    def publish(name, *args)
+      raise name
+    end
 
-      def subscribe(pattern=nil, &block)
-        @subscribers << pattern
-      end
+    # Not a full queue implementation
+    def method_missing(name, *args, &blk)
+      self
     end
+  end
+
+  class NotificationsTest < Test::Unit::TestCase
+    include ActiveSupport::Testing::Isolation
 
     def setup
       build_app
       boot_rails
-      require "rails"
+      FileUtils.rm_rf("#{app_path}/config/environments")
       require "active_support/notifications"
-      Rails::Initializer.run do |c|
-        c.notifications.queue = MyQueue.new
-        c.notifications.subscribe(/listening/) do
-          puts "Cool"
-        end
-      end
+      @events = []
+
+      add_to_config <<-RUBY
+        config.notifications.notifier = ActiveSupport::Notifications::Notifier.new(ApplicationTests::MyQueue.new)
+      RUBY
     end
 
     test "new queue is set" do
-      ActiveSupport::Notifications.instrument(:foo)
-      assert_equal :foo, ActiveSupport::Notifications.queue.events.first
-    end
+      use_frameworks []
+      require "#{app_path}/config/environment"
 
-    test "configuration subscribers are loaded" do
-      assert_equal 1, ActiveSupport::Notifications.queue.subscribers.count { |s| s == /listening/ }
+      assert_raise RuntimeError do
+        ActiveSupport::Notifications.publish('foo')
+      end
     end
   end
 end
diff --git a/railties/test/application/routing_test.rb b/railties/test/application/routing_test.rb
new file mode 100644
index 0000000000..725dd06929
--- /dev/null
+++ b/railties/test/application/routing_test.rb
@@ -0,0 +1,180 @@
+require 'isolation/abstract_unit'
+
+module ApplicationTests
+  class RoutingTest < Test::Unit::TestCase
+    include ActiveSupport::Testing::Isolation
+
+    def setup
+      build_app
+      boot_rails
+      require 'rack/test'
+      extend Rack::Test::Methods
+    end
+
+    def app
+      @app ||= begin
+        require "#{app_path}/config/environment"
+
+        Rails.application
+      end
+    end
+
+    test "rails/info/properties" do
+      get "/rails/info/properties"
+      assert_equal 200, last_response.status
+    end
+
+    test "simple controller" do
+      controller :foo, <<-RUBY
+        class FooController < ActionController::Base
+          def index
+            render :text => "foo"
+          end
+        end
+      RUBY
+
+      app_file 'config/routes.rb', <<-RUBY
+        AppTemplate::Application.routes.draw do |map|
+          match ':controller(/:action)'
+        end
+      RUBY
+
+      get '/foo'
+      assert_equal 'foo', last_response.body
+    end
+
+    test "multiple controllers" do
+      controller :foo, <<-RUBY
+        class FooController < ActionController::Base
+          def index
+            render :text => "foo"
+          end
+        end
+      RUBY
+
+      controller :bar, <<-RUBY
+        class BarController < ActionController::Base
+          def index
+            render :text => "bar"
+          end
+        end
+      RUBY
+
+      app_file 'config/routes.rb', <<-RUBY
+        AppTemplate::Application.routes.draw do |map|
+          match ':controller(/:action)'
+        end
+      RUBY
+
+      get '/foo'
+      assert_equal 'foo', last_response.body
+
+      get '/bar'
+      assert_equal 'bar', last_response.body
+    end
+
+    test "nested controller" do
+      controller 'foo', <<-RUBY
+        class FooController < ActionController::Base
+          def index
+            render :text => "foo"
+          end
+        end
+      RUBY
+
+      controller 'admin/foo', <<-RUBY
+        module Admin
+          class FooController < ActionController::Base
+            def index
+              render :text => "admin::foo"
+            end
+          end
+        end
+      RUBY
+
+      app_file 'config/routes.rb', <<-RUBY
+        AppTemplate::Application.routes.draw do |map|
+          match ':controller(/:action)'
+        end
+      RUBY
+
+      get '/foo'
+      assert_equal 'foo', last_response.body
+
+      get '/admin/foo'
+      assert_equal 'admin::foo', last_response.body
+    end
+
+    test "merges with plugin routes" do
+      controller 'foo', <<-RUBY
+        class FooController < ActionController::Base
+          def index
+            render :text => "foo"
+          end
+        end
+      RUBY
+
+      app_file 'config/routes.rb', <<-RUBY
+        AppTemplate::Application.routes.draw do |map|
+          match 'foo', :to => 'foo#index'
+        end
+      RUBY
+
+      plugin 'bar', 'require File.dirname(__FILE__) + "/app/controllers/bar"' do |plugin|
+        plugin.write 'app/controllers/bar.rb', <<-RUBY
+          class BarController < ActionController::Base
+            def index
+              render :text => "bar"
+            end
+          end
+        RUBY
+
+        plugin.write 'config/routes.rb', <<-RUBY
+          AppTemplate::Application.routes.draw do |map|
+            match 'bar', :to => 'bar#index'
+          end
+        RUBY
+      end
+
+      get '/foo'
+      assert_equal 'foo', last_response.body
+
+      get '/bar'
+      assert_equal 'bar', last_response.body
+    end
+
+    test "reloads routes when configuration is changed" do
+      controller :foo, <<-RUBY
+        class FooController < ActionController::Base
+          def bar
+            render :text => "bar"
+          end
+
+          def baz
+            render :text => "baz"
+          end
+        end
+      RUBY
+
+      app_file 'config/routes.rb', <<-RUBY
+        AppTemplate::Application.routes.draw do |map|
+          match 'foo', :to => 'foo#bar'
+        end
+      RUBY
+
+      get '/foo'
+      assert_equal 'bar', last_response.body
+
+      app_file 'config/routes.rb', <<-RUBY
+        AppTemplate::Application.routes.draw do |map|
+          match 'foo', :to => 'foo#baz'
+        end
+      RUBY
+
+      sleep 0.1
+
+      get '/foo'
+      assert_equal 'baz', last_response.body
+    end
+  end
+end
diff --git a/railties/test/fixtures/plugins/engines/engine/config/routes.rb b/railties/test/fixtures/plugins/engines/engine/config/routes.rb
index cca8d1b146..da44595693 100644
--- a/railties/test/fixtures/plugins/engines/engine/config/routes.rb
+++ b/railties/test/fixtures/plugins/engines/engine/config/routes.rb
@@ -1,3 +1,3 @@
 ActionController::Routing::Routes.draw do |map|
-  map.connect '/engine', :controller => "engine"
+  match '/engine', :to => "engine"
 end
diff --git a/railties/test/fixtures/vendor/plugins/mspec/lib/generators/mspec_generator.rb b/railties/test/fixtures/vendor/plugins/mspec/lib/rails_generators/mspec_generator.rb
index 191bdbf2fc..191bdbf2fc 100644
--- a/railties/test/fixtures/vendor/plugins/mspec/lib/generators/mspec_generator.rb
+++ b/railties/test/fixtures/vendor/plugins/mspec/lib/rails_generators/mspec_generator.rb
diff --git a/railties/test/generators/actions_test.rb b/railties/test/generators/actions_test.rb
index 7d03a37f2a..27b6a49566 100644
--- a/railties/test/generators/actions_test.rb
+++ b/railties/test/generators/actions_test.rb
@@ -1,8 +1,10 @@
-require 'abstract_unit'
 require 'generators/generators_test_helper'
 require 'rails/generators/rails/app/app_generator'
 
 class ActionsTest < GeneratorsTestCase
+  tests Rails::Generators::AppGenerator
+  arguments [destination_root]
+
   def setup
     super
     @git_plugin_uri = 'git://github.com/technoweenie/restful-authentication.git'
@@ -171,21 +173,13 @@ class ActionsTest < GeneratorsTestCase
 
   def test_route_should_add_data_to_the_routes_block_in_config_routes
     run_generator
-    route_command = "map.route '/login', :controller => 'sessions', :action => 'new'"
+    route_command = "route '/login', :controller => 'sessions', :action => 'new'"
     action :route, route_command
     assert_file 'config/routes.rb', /#{Regexp.escape(route_command)}/
   end
 
   protected
 
-    def run_generator
-      silence(:stdout) { Rails::Generators::AppGenerator.start [destination_root] }
-    end
-
-    def generator(config={})
-      @generator ||= Rails::Generators::Base.new([], {}, { :destination_root => destination_root }.merge!(config))
-    end
-
     def action(*args, &block)
       silence(:stdout){ generator.send(*args, &block) }
     end
diff --git a/railties/test/generators/app_generator_test.rb b/railties/test/generators/app_generator_test.rb
index 10d0bc6bc2..7dd798db75 100644
--- a/railties/test/generators/app_generator_test.rb
+++ b/railties/test/generators/app_generator_test.rb
@@ -3,6 +3,7 @@ require 'generators/generators_test_helper'
 require 'rails/generators/rails/app/app_generator'
 
 class AppGeneratorTest < GeneratorsTestCase
+  arguments [destination_root]
 
   def setup
     super
@@ -49,24 +50,35 @@ class AppGeneratorTest < GeneratorsTestCase
   end
 
   def test_invalid_database_option_raises_an_error
-    content = capture(:stderr){ run_generator(["-d", "unknown"]) }
+    content = capture(:stderr){ run_generator([destination_root, "-d", "unknown"]) }
     assert_match /Invalid value for \-\-database option/, content
   end
 
+  def test_invalid_application_name_raises_an_error
+    content = capture(:stderr){ Rails::Generators::AppGenerator.start [File.join(destination_root, "43-things")] }
+    assert_equal "Invalid application name 43-things. Please give a name which does not start with numbers.\n", content
+  end
+
+  def test_invalid_application_name_is_fixed
+    silence(:stdout){ Rails::Generators::AppGenerator.start [File.join(destination_root, "things-43")] }
+    assert_file "things-43/config/environment.rb", /Things43::Application/
+  end
+
   def test_config_database_is_added_by_default
     run_generator
     assert_file "config/database.yml", /sqlite3/
   end
 
   def test_config_database_is_not_added_if_skip_activerecord_is_given
-    run_generator ["--skip-activerecord"]
+    run_generator [destination_root, "--skip-activerecord"]
     assert_no_file "config/database.yml"
   end
 
-  def test_activerecord_is_removed_from_frameworks_if_skip_activerecord_is_given
-    run_generator ["--skip-activerecord"]
-    assert_file "config/application.rb", /config\.frameworks \-= \[ :active_record \]/
-  end
+  # TODO: Bring this back using requires
+  # def test_activerecord_is_removed_from_frameworks_if_skip_activerecord_is_given
+  #   run_generator ["--skip-activerecord"]
+  #   assert_file "config/application.rb", /config\.frameworks \-= \[ :active_record \]/
+  # end
 
   def test_prototype_and_test_unit_are_added_by_default
     run_generator
@@ -75,13 +87,13 @@ class AppGeneratorTest < GeneratorsTestCase
   end
 
   def test_prototype_and_test_unit_are_skipped_if_required
-    run_generator ["--skip-prototype", "--skip-testunit"]
+    run_generator [destination_root, "--skip-prototype", "--skip-testunit"]
     assert_no_file "public/javascripts/prototype.js"
     assert_no_file "test"
   end
 
   def test_shebang_is_added_to_files
-    run_generator ["--ruby", "foo/bar/baz"]
+    run_generator [destination_root, "--ruby", "foo/bar/baz"]
 
     %w(
       about
@@ -96,7 +108,7 @@ class AppGeneratorTest < GeneratorsTestCase
   end
 
   def test_shebang_when_is_the_same_as_default_use_env
-    run_generator ["--ruby", Thor::Util.ruby_command]
+    run_generator [destination_root, "--ruby", Thor::Util.ruby_command]
 
     %w(
       about
@@ -112,11 +124,11 @@ class AppGeneratorTest < GeneratorsTestCase
 
   def test_template_from_dir_pwd
     FileUtils.cd(Rails.root)
-    assert_match /It works from file!/, run_generator(["-m", "lib/template.rb"])
+    assert_match /It works from file!/, run_generator([destination_root, "-m", "lib/template.rb"])
   end
 
   def test_template_raises_an_error_with_invalid_path
-    content = capture(:stderr){ run_generator(["-m", "non/existant/path"]) }
+    content = capture(:stderr){ run_generator([destination_root, "-m", "non/existant/path"]) }
     assert_match /The template \[.*\] could not be loaded/, content
     assert_match /non\/existant\/path/, content
   end
@@ -126,7 +138,7 @@ class AppGeneratorTest < GeneratorsTestCase
     template = %{ say "It works!" }
     template.instance_eval "def read; self; end" # Make the string respond to read
 
-    generator(:template => path, :database => "sqlite3").expects(:open).with(path).returns(template)
+    generator([destination_root], :template => path, :database => "sqlite3").expects(:open).with(path).returns(template)
     assert_match /It works!/, silence(:stdout){ generator.invoke }
   end
 
@@ -149,15 +161,20 @@ class AppGeneratorTest < GeneratorsTestCase
     assert_file 'lib/test_file.rb', 'heres test data'
   end
 
-  protected
+  def test_dev_option
+    run_generator [destination_root, "--dev"]
+    rails_path = File.expand_path('../../..', Rails.root)
+    dev_gem = %(gem "rails", :path => #{rails_path.inspect})
+    assert_file 'Gemfile', /^#{Regexp.escape(dev_gem)}$/
+  end
 
-    def run_generator(args=[])
-      silence(:stdout) { Rails::Generators::AppGenerator.start [destination_root].concat(args) }
-    end
+  def test_edge_option
+    run_generator [destination_root, "--edge"]
+    edge_gem = %(gem "rails", :git => "git://github.com/rails/rails.git")
+    assert_file 'Gemfile', /^#{Regexp.escape(edge_gem)}$/
+  end
 
-    def generator(options={})
-      @generator ||= Rails::Generators::AppGenerator.new([destination_root], options, :destination_root => destination_root)
-    end
+  protected
 
     def action(*args, &block)
       silence(:stdout){ generator.send(*args, &block) }
diff --git a/railties/test/generators/controller_generator_test.rb b/railties/test/generators/controller_generator_test.rb
index 56bc688ad0..8e2fd3b9ed 100644
--- a/railties/test/generators/controller_generator_test.rb
+++ b/railties/test/generators/controller_generator_test.rb
@@ -1,12 +1,12 @@
-require 'abstract_unit'
 require 'generators/generators_test_helper'
 require 'rails/generators/rails/controller/controller_generator'
 
 class ControllerGeneratorTest < GeneratorsTestCase
+  arguments %w(Account foo bar)
 
   def test_help_does_not_show_invoked_generators_options_if_they_already_exist
     content = run_generator ["--help"]
-    assert_no_match /Helper options:/, content
+    assert_no_match /Helper options\:/, content
   end
 
   def test_controller_skeleton_is_created
@@ -66,15 +66,8 @@ class ControllerGeneratorTest < GeneratorsTestCase
     run_generator
 
     assert_file "app/controllers/account_controller.rb" do |controller|
-      assert_instance_method controller, :foo
-      assert_instance_method controller, :bar
+      assert_instance_method :foo, controller
+      assert_instance_method :bar, controller
     end
   end
-
-  protected
-
-    def run_generator(args=["Account", "foo", "bar"])
-      silence(:stdout) { Rails::Generators::ControllerGenerator.start args, :destination_root => destination_root }
-    end
-
 end
diff --git a/railties/test/generators/generator_generator_test.rb b/railties/test/generators/generator_generator_test.rb
index aea3f4da51..28377f23b0 100644
--- a/railties/test/generators/generator_generator_test.rb
+++ b/railties/test/generators/generator_generator_test.rb
@@ -1,8 +1,8 @@
-require 'abstract_unit'
 require 'generators/generators_test_helper'
 require 'rails/generators/rails/generator/generator_generator'
 
 class GeneratorGeneratorTest < GeneratorsTestCase
+  arguments %w(awesome)
 
   def test_generator_skeleton_is_created
     run_generator
@@ -16,11 +16,4 @@ class GeneratorGeneratorTest < GeneratorsTestCase
     assert_file "lib/generators/awesome/awesome_generator.rb",
                 /class AwesomeGenerator < Rails::Generators::NamedBase/
   end
-
-  protected
-
-    def run_generator(args=["awesome"], config={})
-      silence(:stdout) { Rails::Generators::GeneratorGenerator.start args, config.merge(:destination_root => destination_root) }
-    end
-
 end
diff --git a/railties/test/generators/generators_test_helper.rb b/railties/test/generators/generators_test_helper.rb
index 4ce48a453b..fcd0989fd7 100644
--- a/railties/test/generators/generators_test_helper.rb
+++ b/railties/test/generators/generators_test_helper.rb
@@ -10,93 +10,19 @@ end
 Rails.application.config.root = Rails.root
 
 require 'rails/generators'
+require 'rails/generators/test_case'
+
 require 'rubygems'
 require 'active_record'
 require 'action_dispatch'
 
-CURRENT_PATH = File.expand_path(Dir.pwd)
-Rails::Generators.no_color!
-
-class GeneratorsTestCase < ActiveSupport::TestCase
-  include FileUtils
-
-  def destination_root
-    File.join(Rails.root, "tmp")
-  end
-
-  def setup
-    cd CURRENT_PATH
-    rm_rf(destination_root)
-    mkdir_p(destination_root)
-  end
-
-  def test_truth
-    # don't complain, test/unit
-  end
-
-  def capture(stream)
-    begin
-      stream = stream.to_s
-      eval "$#{stream} = StringIO.new"
-      yield
-      result = eval("$#{stream}").string
-    ensure 
-      eval("$#{stream} = #{stream.upcase}")
-    end
+class GeneratorsTestCase < Rails::Generators::TestCase
+  destination File.join(Rails.root, "tmp")
+  setup :prepare_destination
 
-    result
+  def self.inherited(base)
+    base.tests Rails::Generators.const_get(base.name.sub(/Test$/, ''))
+  rescue
+    # Do nothing.
   end
-  alias :silence :capture
-
-  def assert_file(relative, *contents)
-    absolute = File.join(destination_root, relative)
-    assert File.exists?(absolute), "Expected file #{relative.inspect} to exist, but does not"
-
-    read = File.read(absolute) if block_given? || !contents.empty?
-    yield read if block_given?
-
-    contents.each do |content|
-      case content
-        when String
-          assert_equal content, read
-        when Regexp
-          assert_match content, read
-      end
-    end
-  end
-
-  def assert_no_file(relative)
-    absolute = File.join(destination_root, relative)
-    assert !File.exists?(absolute), "Expected file #{relative.inspect} to not exist, but does"
-  end
-
-  def assert_migration(relative, *contents, &block)
-    file_name = migration_file_name(relative)
-    assert file_name, "Expected migration #{relative} to exist, but was not found"
-    assert_file File.join(File.dirname(relative), file_name), *contents, &block
-  end
-
-  def assert_no_migration(relative)
-    file_name = migration_file_name(relative)
-    assert_nil file_name, "Expected migration #{relative} to not exist, but found #{file_name}"
-  end
-
-  def assert_class_method(content, method, &block)
-    assert_instance_method content, "self.#{method}", &block
-  end
-
-  def assert_instance_method(content, method)
-    assert content =~ /def #{method}(\(.+\))?(.*?)\n  end/m, "Expected to have method #{method}"
-    yield $2.strip if block_given?
-  end
-
-  protected
-
-    def migration_file_name(relative)
-      absolute = File.join(destination_root, relative)
-      dirname, file_name = File.dirname(absolute), File.basename(absolute).sub(/\.rb$/, '')
-
-      migration = Dir.glob("#{dirname}/[0-9]*_*.rb").grep(/\d+_#{file_name}.rb$/).first
-      File.basename(migration) if migration
-    end
-end
+end
\ No newline at end of file
diff --git a/railties/test/generators/helper_generator_test.rb b/railties/test/generators/helper_generator_test.rb
index f8bfc517a2..cf18782986 100644
--- a/railties/test/generators/helper_generator_test.rb
+++ b/railties/test/generators/helper_generator_test.rb
@@ -1,4 +1,3 @@
-require 'abstract_unit'
 require 'generators/generators_test_helper'
 require 'rails/generators/rails/helper/helper_generator'
 
@@ -6,6 +5,7 @@ ObjectHelper = Class.new
 AnotherObjectHelperTest = Class.new
 
 class HelperGeneratorTest < GeneratorsTestCase
+  arguments %w(admin)
 
   def test_helper_skeleton_is_created
     run_generator
@@ -50,11 +50,4 @@ class HelperGeneratorTest < GeneratorsTestCase
       end
     end
   end
-
-  protected
-
-    def run_generator(args=["admin"])
-      silence(:stdout) { Rails::Generators::HelperGenerator.start args, :destination_root => destination_root }
-    end
-
 end
diff --git a/railties/test/generators/integration_test_generator_test.rb b/railties/test/generators/integration_test_generator_test.rb
index 6a504ceea2..88e18be5b2 100644
--- a/railties/test/generators/integration_test_generator_test.rb
+++ b/railties/test/generators/integration_test_generator_test.rb
@@ -1,18 +1,11 @@
-require 'abstract_unit'
 require 'generators/generators_test_helper'
 require 'rails/generators/rails/integration_test/integration_test_generator'
 
 class IntegrationTestGeneratorTest < GeneratorsTestCase
+  arguments %w(integration)
 
   def test_integration_test_skeleton_is_created
     run_generator
     assert_file "test/integration/integration_test.rb", /class IntegrationTest < ActionController::IntegrationTest/
   end
-
-  protected
-
-    def run_generator(args=["integration"])
-      silence(:stdout) { Rails::Generators::IntegrationTestGenerator.start args, :destination_root => destination_root }
-    end
-
 end
diff --git a/railties/test/generators/mailer_generator_test.rb b/railties/test/generators/mailer_generator_test.rb
index 251474ad16..ee4346eb71 100644
--- a/railties/test/generators/mailer_generator_test.rb
+++ b/railties/test/generators/mailer_generator_test.rb
@@ -1,8 +1,8 @@
-require 'abstract_unit'
 require 'generators/generators_test_helper'
 require 'rails/generators/rails/mailer/mailer_generator'
 
 class MailerGeneratorTest < GeneratorsTestCase
+  arguments %w(notifier foo bar)
 
   def test_mailer_skeleton_is_created
     run_generator
@@ -42,11 +42,4 @@ class MailerGeneratorTest < GeneratorsTestCase
     assert_file "app/models/notifier.rb", /def foo/
     assert_file "app/models/notifier.rb", /def bar/
   end
-
-  protected
-
-    def run_generator(args=["notifier", "foo", "bar"])
-      silence(:stdout) { Rails::Generators::MailerGenerator.start args, :destination_root => destination_root }
-    end
-
 end
diff --git a/railties/test/generators/metal_generator_test.rb b/railties/test/generators/metal_generator_test.rb
index 80bf342892..5d6a277561 100644
--- a/railties/test/generators/metal_generator_test.rb
+++ b/railties/test/generators/metal_generator_test.rb
@@ -1,8 +1,8 @@
-require 'abstract_unit'
 require 'generators/generators_test_helper'
 require 'rails/generators/rails/metal/metal_generator'
 
 class MetalGeneratorTest < GeneratorsTestCase
+  arguments %w(foo)
 
   def test_metal_skeleton_is_created
     run_generator
@@ -13,11 +13,4 @@ class MetalGeneratorTest < GeneratorsTestCase
     content = capture(:stderr){ run_generator ["object"] }
     assert_match /The name 'Object' is either already used in your application or reserved/, content
   end
-
-  protected
-
-    def run_generator(args=["foo"])
-      silence(:stdout) { Rails::Generators::MetalGenerator.start args, :destination_root => destination_root }
-    end
-
 end
diff --git a/railties/test/generators/migration_generator_test.rb b/railties/test/generators/migration_generator_test.rb
index 35172a8be4..2fd3e5c056 100644
--- a/railties/test/generators/migration_generator_test.rb
+++ b/railties/test/generators/migration_generator_test.rb
@@ -1,32 +1,30 @@
-require 'abstract_unit'
 require 'generators/generators_test_helper'
 require 'rails/generators/rails/migration/migration_generator'
 
 class MigrationGeneratorTest < GeneratorsTestCase
-
   def test_migration
-    @migration = "change_title_body_from_posts"
-    run_generator
-    assert_migration "db/migrate/#{@migration}.rb", /class ChangeTitleBodyFromPosts < ActiveRecord::Migration/
+    migration = "change_title_body_from_posts"
+    run_generator [migration]
+    assert_migration "db/migrate/#{migration}.rb", /class ChangeTitleBodyFromPosts < ActiveRecord::Migration/
   end
 
   def test_migration_with_class_name
-    @migration = "ChangeTitleBodyFromPosts"
-    run_generator
-    assert_migration "db/migrate/change_title_body_from_posts.rb", /class #{@migration} < ActiveRecord::Migration/
+    migration = "ChangeTitleBodyFromPosts"
+    run_generator [migration]
+    assert_migration "db/migrate/change_title_body_from_posts.rb", /class #{migration} < ActiveRecord::Migration/
   end
 
   def test_add_migration_with_attributes
-    @migration = "add_title_body_to_posts"
-    run_generator [@migration, "title:string", "body:text"]
+    migration = "add_title_body_to_posts"
+    run_generator [migration, "title:string", "body:text"]
 
-    assert_migration "db/migrate/#{@migration}.rb" do |content|
-      assert_class_method content, :up do |up|
+    assert_migration "db/migrate/#{migration}.rb" do |content|
+      assert_class_method :up, content do |up|
         assert_match /add_column :posts, :title, :string/, up
         assert_match /add_column :posts, :body, :text/, up
       end
 
-      assert_class_method content, :down do |down|
+      assert_class_method :down, content do |down|
         assert_match /remove_column :posts, :title/, down
         assert_match /remove_column :posts, :body/, down
       end
@@ -34,26 +32,19 @@ class MigrationGeneratorTest < GeneratorsTestCase
   end
 
   def test_remove_migration_with_attributes
-    @migration = "remove_title_body_from_posts"
-    run_generator [@migration, "title:string", "body:text"]
+    migration = "remove_title_body_from_posts"
+    run_generator [migration, "title:string", "body:text"]
 
-    assert_migration "db/migrate/#{@migration}.rb" do |content|
-      assert_class_method content, :up do |up|
+    assert_migration "db/migrate/#{migration}.rb" do |content|
+      assert_class_method :up, content do |up|
         assert_match /remove_column :posts, :title/, up
         assert_match /remove_column :posts, :body/, up
       end
 
-      assert_class_method content, :down do |down|
+      assert_class_method :down, content do |down|
         assert_match /add_column :posts, :title, :string/, down
         assert_match /add_column :posts, :body, :text/, down
       end
     end
   end
-
-  protected
-
-    def run_generator(args=[@migration])
-      silence(:stdout) { Rails::Generators::MigrationGenerator.start args, :destination_root => destination_root }
-    end
-
 end
diff --git a/railties/test/generators/model_generator_test.rb b/railties/test/generators/model_generator_test.rb
index e073b11e1e..051a43706b 100644
--- a/railties/test/generators/model_generator_test.rb
+++ b/railties/test/generators/model_generator_test.rb
@@ -1,8 +1,8 @@
-require 'abstract_unit'
 require 'generators/generators_test_helper'
 require 'rails/generators/rails/model/model_generator'
 
 class ModelGeneratorTest < GeneratorsTestCase
+  arguments %w(Account name:string age:integer)
 
   def test_help_shows_invoked_generators_options
     content = run_generator ["--help"]
@@ -84,13 +84,13 @@ class ModelGeneratorTest < GeneratorsTestCase
     run_generator ["product", "name:string", "supplier_id:integer"]
 
     assert_migration "db/migrate/create_products.rb" do |m|
-      assert_class_method m, :up do |up|
+      assert_class_method :up, m do |up|
         assert_match /create_table :products/, up
         assert_match /t\.string :name/, up
         assert_match /t\.integer :supplier_id/, up
       end
 
-      assert_class_method m, :down do |down|
+      assert_class_method :down, m do |down|
         assert_match /drop_table :products/, down
       end
     end
@@ -126,7 +126,7 @@ class ModelGeneratorTest < GeneratorsTestCase
     run_generator ["account", "--no-timestamps"]
 
     assert_migration "db/migrate/create_accounts.rb" do |m|
-      assert_class_method m, :up do |up|
+      assert_class_method :up, m do |up|
         assert_no_match /t.timestamps/, up
       end
     end
@@ -171,11 +171,4 @@ class ModelGeneratorTest < GeneratorsTestCase
     content = capture(:stderr){ run_generator ["object"] }
     assert_match /The name 'Object' is either already used in your application or reserved/, content
   end
-
-  protected
-
-    def run_generator(args=["Account", "name:string", "age:integer"], config={})
-      silence(:stdout) { Rails::Generators::ModelGenerator.start args, config.merge(:destination_root => destination_root) }
-    end
-
 end
diff --git a/railties/test/generators/named_base_test.rb b/railties/test/generators/named_base_test.rb
index 98cbf9b8f6..8c1df3b992 100644
--- a/railties/test/generators/named_base_test.rb
+++ b/railties/test/generators/named_base_test.rb
@@ -1,4 +1,3 @@
-require 'abstract_unit'
 require 'generators/generators_test_helper'
 require 'rails/generators/rails/scaffold_controller/scaffold_controller_generator'
 
@@ -13,9 +12,10 @@ module ActiveRecord
 end
 
 class NamedBaseTest < GeneratorsTestCase
+  tests Rails::Generators::ScaffoldControllerGenerator
 
   def test_named_generator_attributes
-    g = Rails::Generators::ScaffoldControllerGenerator.new ["admin/foo"]
+    g = generator ["admin/foo"]
     assert_equal 'admin/foo', g.name
     assert_equal %w(admin), g.class_path
     assert_equal 1, g.class_nesting_depth
@@ -28,12 +28,12 @@ class NamedBaseTest < GeneratorsTestCase
 
   def test_named_generator_attributes_without_pluralized
     ActiveRecord::Base.pluralize_table_names = false
-    g = Rails::Generators::ScaffoldControllerGenerator.new ["admin/foo"]
+    g = generator ["admin/foo"]
     assert_equal "admin_#{g.singular_name}", g.table_name
   end
 
   def test_scaffold_plural_names
-    g = Rails::Generators::ScaffoldControllerGenerator.new ["ProductLine"]
+    g = generator ["ProductLine"]
     assert_equal "ProductLines", g.controller_name
     assert_equal "ProductLines", g.controller_class_name
     assert_equal "product_lines", g.controller_file_name
diff --git a/railties/test/generators/observer_generator_test.rb b/railties/test/generators/observer_generator_test.rb
index 6fed2998dd..44d9e4a9f3 100644
--- a/railties/test/generators/observer_generator_test.rb
+++ b/railties/test/generators/observer_generator_test.rb
@@ -1,8 +1,8 @@
-require 'abstract_unit'
 require 'generators/generators_test_helper'
 require 'rails/generators/rails/observer/observer_generator'
 
 class ObserverGeneratorTest < GeneratorsTestCase
+  arguments %w(account)
 
   def test_invokes_default_orm
     run_generator
@@ -23,11 +23,4 @@ class ObserverGeneratorTest < GeneratorsTestCase
     content = run_generator ["account", "--test-framework=rspec"]
     assert_match /rspec \[not found\]/, content
   end
-
-  protected
-
-    def run_generator(args=["account"])
-      silence(:stdout) { Rails::Generators::ObserverGenerator.start args, :destination_root => destination_root }
-    end
-
 end
diff --git a/railties/test/generators/performance_test_generator_test.rb b/railties/test/generators/performance_test_generator_test.rb
index d19128f79a..099575ea1d 100644
--- a/railties/test/generators/performance_test_generator_test.rb
+++ b/railties/test/generators/performance_test_generator_test.rb
@@ -1,18 +1,11 @@
-require 'abstract_unit'
 require 'generators/generators_test_helper'
 require 'rails/generators/rails/performance_test/performance_test_generator'
 
 class PerformanceTestGeneratorTest < GeneratorsTestCase
+  arguments %w(performance)
 
   def test_performance_test_skeleton_is_created
     run_generator
     assert_file "test/performance/performance_test.rb", /class PerformanceTest < ActionController::PerformanceTest/
   end
-
-  protected
-
-    def run_generator(args=["performance"])
-      silence(:stdout) { Rails::Generators::PerformanceTestGenerator.start args, :destination_root => destination_root }
-    end
-
 end
diff --git a/railties/test/generators/plugin_generator_test.rb b/railties/test/generators/plugin_generator_test.rb
index f5b8b6ffb6..f84b8b6d50 100644
--- a/railties/test/generators/plugin_generator_test.rb
+++ b/railties/test/generators/plugin_generator_test.rb
@@ -1,8 +1,8 @@
-require 'abstract_unit'
 require 'generators/generators_test_helper'
 require 'rails/generators/rails/plugin/plugin_generator'
 
 class PluginGeneratorTest < GeneratorsTestCase
+  arguments %w(plugin_fu)
 
   def test_plugin_skeleton_is_created
     run_generator
@@ -46,11 +46,4 @@ class PluginGeneratorTest < GeneratorsTestCase
     run_generator
     run_generator ["plugin_fu"], :behavior => :revoke
   end
-
-  protected
-
-    def run_generator(args=["plugin_fu"], config={})
-      silence(:stdout) { Rails::Generators::PluginGenerator.start args, config.merge(:destination_root => destination_root) }
-    end
-
 end
diff --git a/railties/test/generators/resource_generator_test.rb b/railties/test/generators/resource_generator_test.rb
index 886af01b22..15c0ca0f01 100644
--- a/railties/test/generators/resource_generator_test.rb
+++ b/railties/test/generators/resource_generator_test.rb
@@ -1,8 +1,8 @@
-require 'abstract_unit'
 require 'generators/generators_test_helper'
 require 'rails/generators/rails/resource/resource_generator'
 
 class ResourceGeneratorTest < GeneratorsTestCase
+  arguments %w(account)
 
   def setup
     super
@@ -50,8 +50,8 @@ class ResourceGeneratorTest < GeneratorsTestCase
     run_generator ["account", "--actions", "index", "new"]
 
     assert_file "app/controllers/accounts_controller.rb" do |controller|
-      assert_instance_method controller, :index
-      assert_instance_method controller, :new
+      assert_instance_method :index, controller
+      assert_instance_method :new, controller
     end
 
     assert_file "app/views/accounts/index.html.erb"
@@ -62,7 +62,7 @@ class ResourceGeneratorTest < GeneratorsTestCase
     run_generator
 
     assert_file "config/routes.rb" do |route|
-      assert_match /map\.resources :accounts$/, route
+      assert_match /resources :accounts$/, route
     end
   end
 
@@ -70,7 +70,7 @@ class ResourceGeneratorTest < GeneratorsTestCase
     run_generator ["account", "--singleton"]
 
     assert_file "config/routes.rb" do |route|
-      assert_match /map\.resource :account$/, route
+      assert_match /resource :account$/, route
     end
   end
 
@@ -93,14 +93,7 @@ class ResourceGeneratorTest < GeneratorsTestCase
     run_generator ["account"], :behavior => :revoke
 
     assert_file "config/routes.rb" do |route|
-      assert_no_match /map\.resources :accounts$/, route
+      assert_no_match /resources :accounts$/, route
     end
   end
-
-  protected
-
-    def run_generator(args=["account"], config={})
-      silence(:stdout) { Rails::Generators::ResourceGenerator.start args, config.merge(:destination_root => destination_root) }
-    end
-
 end
diff --git a/railties/test/generators/scaffold_controller_generator_test.rb b/railties/test/generators/scaffold_controller_generator_test.rb
index 02155c295c..7593c14dd9 100644
--- a/railties/test/generators/scaffold_controller_generator_test.rb
+++ b/railties/test/generators/scaffold_controller_generator_test.rb
@@ -1,4 +1,3 @@
-require 'abstract_unit'
 require 'generators/generators_test_helper'
 require 'rails/generators/rails/scaffold_controller/scaffold_controller_generator'
 
@@ -8,6 +7,7 @@ module Unknown
 end
 
 class ScaffoldControllerGeneratorTest < GeneratorsTestCase
+  arguments %w(User name:string age:integer)
 
   def test_controller_skeleton_is_created
     run_generator
@@ -15,35 +15,35 @@ class ScaffoldControllerGeneratorTest < GeneratorsTestCase
     assert_file "app/controllers/users_controller.rb" do |content|
       assert_match /class UsersController < ApplicationController/, content
 
-      assert_instance_method content, :index do |m|
+      assert_instance_method :index, content do |m|
         assert_match /@users = User\.all/, m
       end
 
-      assert_instance_method content, :show do |m|
+      assert_instance_method :show, content do |m|
         assert_match /@user = User\.find\(params\[:id\]\)/, m
       end
 
-      assert_instance_method content, :new do |m|
+      assert_instance_method :new, content do |m|
         assert_match /@user = User\.new/, m
       end
 
-      assert_instance_method content, :edit do |m|
+      assert_instance_method :edit, content do |m|
         assert_match /@user = User\.find\(params\[:id\]\)/, m
       end
 
-      assert_instance_method content, :create do |m|
+      assert_instance_method :create, content do |m|
         assert_match /@user = User\.new\(params\[:user\]\)/, m
         assert_match /@user\.save/, m
         assert_match /@user\.errors/, m
       end
 
-      assert_instance_method content, :update do |m|
+      assert_instance_method :update, content do |m|
         assert_match /@user = User\.find\(params\[:id\]\)/, m
         assert_match /@user\.update_attributes\(params\[:user\]\)/, m
         assert_match /@user\.errors/, m
       end
 
-      assert_instance_method content, :destroy do |m|
+      assert_instance_method :destroy, content do |m|
         assert_match /@user = User\.find\(params\[:id\]\)/, m
         assert_match /@user\.destroy/, m
       end
@@ -108,7 +108,7 @@ class ScaffoldControllerGeneratorTest < GeneratorsTestCase
     assert_file "app/controllers/users_controller.rb" do |content|
       assert_match /class UsersController < ApplicationController/, content
 
-      assert_instance_method content, :index do |m|
+      assert_instance_method :index, content do |m|
         assert_match /@users = User\.all/, m
       end
     end
@@ -127,7 +127,7 @@ class ScaffoldControllerGeneratorTest < GeneratorsTestCase
     assert_file "app/controllers/users_controller.rb" do |content|
       assert_match /class UsersController < ApplicationController/, content
 
-      assert_instance_method content, :index do |m|
+      assert_instance_method :index, content do |m|
         assert_match /@users = User\.find\(:all\)/, m
         assert_no_match /@users = User\.all/, m
       end
@@ -135,11 +135,4 @@ class ScaffoldControllerGeneratorTest < GeneratorsTestCase
   ensure
     Unknown::Generators.send :remove_const, :ActiveModel
   end
-
-  protected
-
-    def run_generator(args=["User", "name:string", "age:integer"])
-      silence(:stdout) { Rails::Generators::ScaffoldControllerGenerator.start args, :destination_root => destination_root }
-    end
-
 end
diff --git a/railties/test/generators/scaffold_generator_test.rb b/railties/test/generators/scaffold_generator_test.rb
index c0652c034f..4ddc7b1c89 100644
--- a/railties/test/generators/scaffold_generator_test.rb
+++ b/railties/test/generators/scaffold_generator_test.rb
@@ -1,8 +1,8 @@
-require 'abstract_unit'
 require 'generators/generators_test_helper'
 require 'rails/generators/rails/scaffold/scaffold_generator'
 
 class ScaffoldGeneratorTest < GeneratorsTestCase
+  arguments %w(product_line title:string price:integer)
 
   def setup
     super
@@ -25,42 +25,42 @@ class ScaffoldGeneratorTest < GeneratorsTestCase
 
     # Route
     assert_file "config/routes.rb" do |route|
-      assert_match /map\.resources :product_lines$/, route
+      assert_match /resources :product_lines$/, route
     end
 
     # Controller
     assert_file "app/controllers/product_lines_controller.rb" do |content|
       assert_match /class ProductLinesController < ApplicationController/, content
 
-      assert_instance_method content, :index do |m|
+      assert_instance_method :index, content do |m|
         assert_match /@product_lines = ProductLine\.all/, m
       end
 
-      assert_instance_method content, :show do |m|
+      assert_instance_method :show, content do |m|
         assert_match /@product_line = ProductLine\.find\(params\[:id\]\)/, m
       end
 
-      assert_instance_method content, :new do |m|
+      assert_instance_method :new, content do |m|
         assert_match /@product_line = ProductLine\.new/, m
       end
 
-      assert_instance_method content, :edit do |m|
+      assert_instance_method :edit, content do |m|
         assert_match /@product_line = ProductLine\.find\(params\[:id\]\)/, m
       end
 
-      assert_instance_method content, :create do |m|
+      assert_instance_method :create, content do |m|
         assert_match /@product_line = ProductLine\.new\(params\[:product_line\]\)/, m
         assert_match /@product_line\.save/, m
         assert_match /@product_line\.errors/, m
       end
 
-      assert_instance_method content, :update do |m|
+      assert_instance_method :update, content do |m|
         assert_match /@product_line = ProductLine\.find\(params\[:id\]\)/, m
         assert_match /@product_line\.update_attributes\(params\[:product_line\]\)/, m
         assert_match /@product_line\.errors/, m
       end
 
-      assert_instance_method content, :destroy do |m|
+      assert_instance_method :destroy, content do |m|
         assert_match /@product_line = ProductLine\.find\(params\[:id\]\)/, m
         assert_match /@product_line\.destroy/, m
       end
@@ -89,7 +89,7 @@ class ScaffoldGeneratorTest < GeneratorsTestCase
 
   def test_scaffold_on_revoke
     run_generator
-    run_generator :behavior => :revoke
+    run_generator ["product_line"], :behavior => :revoke
 
     # Model
     assert_no_file "app/models/product_line.rb"
@@ -99,7 +99,7 @@ class ScaffoldGeneratorTest < GeneratorsTestCase
 
     # Route
     assert_file "config/routes.rb" do |route|
-      assert_no_match /map\.resources :product_lines$/, route
+      assert_no_match /resources :product_lines$/, route
     end
 
     # Controller
@@ -117,14 +117,4 @@ class ScaffoldGeneratorTest < GeneratorsTestCase
     # Stylesheets (should not be removed)
     assert_file "public/stylesheets/scaffold.css"
   end
-
-  protected
-
-    def run_generator(config={})
-      silence(:stdout) do
-        Rails::Generators::ScaffoldGenerator.start ["product_line", "title:string", "price:integer"],
-                                                   config.merge(:destination_root => destination_root)
-      end
-    end
-
 end
diff --git a/railties/test/generators/session_migration_generator_test.rb b/railties/test/generators/session_migration_generator_test.rb
index 34fb996b7f..251ffb19ed 100644
--- a/railties/test/generators/session_migration_generator_test.rb
+++ b/railties/test/generators/session_migration_generator_test.rb
@@ -1,9 +1,7 @@
-require 'abstract_unit'
 require 'generators/generators_test_helper'
 require 'rails/generators/rails/session_migration/session_migration_generator'
 
 class SessionMigrationGeneratorTest < GeneratorsTestCase
-
   def test_session_migration_with_default_name
     run_generator
     assert_migration "db/migrate/add_sessions_table.rb", /class AddSessionsTable < ActiveRecord::Migration/
@@ -24,11 +22,4 @@ class SessionMigrationGeneratorTest < GeneratorsTestCase
   ensure
     ActiveRecord::SessionStore::Session.table_name = "sessions"
   end
-
-  protected
-
-    def run_generator(args=[])
-      silence(:stdout) { Rails::Generators::SessionMigrationGenerator.start args, :destination_root => destination_root }
-    end
-
 end
diff --git a/railties/test/generators/stylesheets_generator_test.rb b/railties/test/generators/stylesheets_generator_test.rb
index 15263d4bb8..d9079327ba 100644
--- a/railties/test/generators/stylesheets_generator_test.rb
+++ b/railties/test/generators/stylesheets_generator_test.rb
@@ -1,9 +1,7 @@
-require 'abstract_unit'
 require 'generators/generators_test_helper'
 require 'rails/generators/rails/stylesheets/stylesheets_generator'
 
 class StylesheetsGeneratorTest < GeneratorsTestCase
-
   def test_copy_stylesheets
     run_generator
     assert_file "public/stylesheets/scaffold.css"
@@ -11,14 +9,7 @@ class StylesheetsGeneratorTest < GeneratorsTestCase
 
   def test_stylesheets_are_not_deleted_on_revoke
     run_generator
-    run_generator :behavior => :revoke
+    run_generator [], :behavior => :revoke
     assert_file "public/stylesheets/scaffold.css"
   end
-
-  protected
-
-    def run_generator(config={})
-      silence(:stdout) { Rails::Generators::StylesheetsGenerator.start [], config.merge(:destination_root => destination_root) }
-    end
-
 end
diff --git a/railties/test/generators_test.rb b/railties/test/generators_test.rb
index a8716d9992..2df218debc 100644
--- a/railties/test/generators_test.rb
+++ b/railties/test/generators_test.rb
@@ -9,6 +9,11 @@ class GeneratorsTest < GeneratorsTestCase
     Gem.stubs(:respond_to?).with(:loaded_specs).returns(false)
   end
 
+  def test_invoke_add_generators_to_raw_lookups
+    TestUnit::Generators::ModelGenerator.expects(:start).with(["Account"], {})
+    Rails::Generators.invoke("test_unit:model", ["Account"])
+  end
+
   def test_invoke_when_generator_is_not_found
     output = capture(:stdout){ Rails::Generators.invoke :unknown }
     assert_equal "Could not find generator unknown.\n", output
@@ -51,12 +56,6 @@ class GeneratorsTest < GeneratorsTestCase
     assert_equal "foobar:foobar", klass.namespace
   end
 
-  def test_find_by_namespace_add_generators_to_raw_lookups
-    klass = Rails::Generators.find_by_namespace("test_unit:model")
-    assert klass
-    assert_equal "test_unit:generators:model", klass.namespace
-  end
-
   def test_find_by_namespace_lookup_to_the_rails_root_folder
     klass = Rails::Generators.find_by_namespace(:fixjour)
     assert klass
@@ -96,7 +95,7 @@ class GeneratorsTest < GeneratorsTestCase
   end
 
   def test_builtin_generators
-    assert Rails::Generators.builtin.include? %w(rails model)
+    assert Rails::Generators.builtin.include?("rails:model")
   end
 
   def test_rails_generators_help_with_builtin_information
@@ -107,7 +106,7 @@ class GeneratorsTest < GeneratorsTestCase
 
   def test_rails_generators_with_others_information
     output = capture(:stdout){ Rails::Generators.help }.split("\n").last
-    assert_equal "Others: active_record:fixjour, fixjour, foobar, mspec, rails:javascripts.", output
+    assert_equal "Others: active_record:fixjour, fixjour, foobar:foobar, mspec, rails:javascripts, xspec.", output
   end
 
   def test_warning_is_shown_if_generator_cant_be_loaded
@@ -150,6 +149,13 @@ class GeneratorsTest < GeneratorsTestCase
     assert_equal "test_unit:generators:plugin", klass.namespace
   end
 
+  def test_fallbacks_for_generators_on_find_by_namespace_with_context
+    Rails::Generators.fallbacks[:remarkable] = :test_unit
+    klass = Rails::Generators.find_by_namespace(:remarkable, :rails, :plugin)
+    assert klass
+    assert_equal "test_unit:generators:plugin", klass.namespace
+  end
+
   def test_fallbacks_for_generators_on_invoke
     Rails::Generators.fallbacks[:shoulda] = :test_unit
     TestUnit::Generators::ModelGenerator.expects(:start).with(["Account"], {})
@@ -171,6 +177,8 @@ class GeneratorsTest < GeneratorsTestCase
     end
 
     assert_equal false, klass.class_options[:generate].default
+  ensure
+    Rails::Generators.subclasses.delete(klass)
   end
 
   def test_source_paths_for_not_namespaced_generators
diff --git a/railties/test/initializable_test.rb b/railties/test/initializable_test.rb
index a9e60680ac..e308cbcb0e 100644
--- a/railties/test/initializable_test.rb
+++ b/railties/test/initializable_test.rb
@@ -150,6 +150,16 @@ module InitializableTests
       Word.run_initializers
       assert_equal "bird", $word
     end
+
+    test "creating initializer without a block raises an error" do
+      assert_raise(ArgumentError) do
+        Class.new do
+          include Rails::Initializable
+
+          initializer :foo
+        end
+      end
+    end
   end
 
   class BeforeAfter < ActiveSupport::TestCase
diff --git a/railties/test/initializer/check_ruby_version_test.rb b/railties/test/initializer/check_ruby_version_test.rb
index 97d884e1be..311f19a28a 100644
--- a/railties/test/initializer/check_ruby_version_test.rb
+++ b/railties/test/initializer/check_ruby_version_test.rb
@@ -1,66 +1,32 @@
 require "isolation/abstract_unit"
 
 module InitializerTests
-  class PathsTest < Test::Unit::TestCase
+  class CheckRubyVersionTest < Test::Unit::TestCase
     include ActiveSupport::Testing::Isolation
 
     def setup
       build_app
       boot_rails
-      require "rails"
     end
 
-    test "rails does not initialize with ruby version 1.8.1" do
-      assert_rails_does_not_boot "1.8.1"
-    end
-
-    test "rails does not initialize with ruby version 1.8.2" do
-      assert_rails_does_not_boot "1.8.2"
-    end
-
-    test "rails does not initialize with ruby version 1.8.3" do
-      assert_rails_does_not_boot "1.8.3"
-    end
-
-    test "rails does not initialize with ruby version 1.8.4" do
-      assert_rails_does_not_boot "1.8.4"
-    end
-
-    test "rails does not initializes with ruby version 1.8.5" do
-      assert_rails_does_not_boot "1.8.5"
-    end
-
-    test "rails does not initialize with ruby version 1.8.6" do
-      assert_rails_does_not_boot "1.8.6"
-    end
-
-    test "rails initializes with ruby version 1.8.7" do
-      assert_rails_boots "1.8.7"
-    end
-
-    test "rails initializes with the current version of Ruby" do
-      assert_rails_boots
-    end
-
-    def set_ruby_version(version)
-      $-w = nil
-      Object.const_set(:RUBY_VERSION, version.freeze)
+    test "rails initializes with ruby 1.8.7 or later" do
+      if RUBY_VERSION < '1.8.7'
+        assert_rails_does_not_boot
+      else
+        assert_rails_boots
+      end
     end
 
-    def assert_rails_boots(version = nil)
-      set_ruby_version(version) if version
+    def assert_rails_boots
       assert_nothing_raised "It appears that rails does not boot" do
-        Rails::Initializer.run { |c| c.frameworks = [] }
-        Rails.initialize!
+        require "rails/all"
       end
     end
 
-    def assert_rails_does_not_boot(version)
-      set_ruby_version(version)
+    def assert_rails_does_not_boot
       $stderr = File.open("/dev/null", "w")
       assert_raises(SystemExit) do
-        Rails::Initializer.run { |c| c.frameworks = [] }
-        Rails.initialize!
+        require "rails/all"
       end
     end
   end
diff --git a/railties/test/initializer/initialize_i18n_test.rb b/railties/test/initializer/initialize_i18n_test.rb
index 076816d73b..472566378d 100644
--- a/railties/test/initializer/initialize_i18n_test.rb
+++ b/railties/test/initializer/initialize_i18n_test.rb
@@ -7,16 +7,15 @@ module InitializerTests
     def setup
       build_app
       boot_rails
-      require "rails"
     end
 
     # test_config_defaults_and_settings_should_be_added_to_i18n_defaults
     test "i18n config defaults and settings should be added to i18n defaults" do
-      Rails::Initializer.run do |c|
-        c.root = app_path
-        c.i18n.load_path << "my/other/locale.yml"
-      end
-      Rails.initialize!
+      add_to_config <<-RUBY
+        config.root = "#{app_path}"
+        config.i18n.load_path << "my/other/locale.yml"
+      RUBY
+      require "#{app_path}/config/environment"
 
       #{RAILS_FRAMEWORK_ROOT}/railties/test/fixtures/plugins/engines/engine/config/locales/en.yml
       assert_equal %W(
diff --git a/railties/test/initializer/path_test.rb b/railties/test/initializer/path_test.rb
index 1b58a58555..bfb1887d11 100644
--- a/railties/test/initializer/path_test.rb
+++ b/railties/test/initializer/path_test.rb
@@ -1,101 +1,103 @@
 require "isolation/abstract_unit"
 
-class PathsTest < Test::Unit::TestCase
-  include ActiveSupport::Testing::Isolation
-
-  def setup
-    build_app
-    boot_rails
-    require "rails"
-    Rails::Initializer.run do |config|
-      config.root = app_path
-      config.frameworks = [:action_controller, :action_view, :action_mailer, :active_record]
-      config.after_initialize do
-        ActionController::Base.session_store = nil
-      end
+module InitializerTests
+  class PathTest < Test::Unit::TestCase
+    include ActiveSupport::Testing::Isolation
+
+    def setup
+      build_app
+      boot_rails
+      FileUtils.rm_rf("#{app_path}/config/environments")
+      add_to_config <<-RUBY
+        config.root = "#{app_path}"
+        config.after_initialize do
+          ActionController::Base.session_store = nil
+        end
+      RUBY
+      use_frameworks [:action_controller, :action_view, :action_mailer, :active_record]
+      require "#{app_path}/config/environment"
+      @paths = Rails.application.config.paths
     end
-    Rails.initialize!
-    @paths = Rails.application.config.paths
-  end
 
-  def root(*path)
-    app_path(*path).to_s
-  end
+    def root(*path)
+      app_path(*path).to_s
+    end
 
-  def assert_path(paths, *dir)
-    assert_equal [root(*dir)], paths.paths
-  end
+    def assert_path(paths, *dir)
+      assert_equal [root(*dir)], paths.paths
+    end
 
-  def assert_in_load_path(*path)
-    assert $:.any? { |p| File.expand_path(p) == root(*path) }, "Load path does not include '#{root(*path)}'. They are:\n-----\n #{$:.join("\n")}\n-----"
-  end
+    def assert_in_load_path(*path)
+      assert $:.any? { |p| File.expand_path(p) == root(*path) }, "Load path does not include '#{root(*path)}'. They are:\n-----\n #{$:.join("\n")}\n-----"
+    end
 
-  def assert_not_in_load_path(*path)
-    assert !$:.any? { |p| File.expand_path(p) == root(*path) }, "Load path includes '#{root(*path)}'. They are:\n-----\n #{$:.join("\n")}\n-----"
-  end
+    def assert_not_in_load_path(*path)
+      assert !$:.any? { |p| File.expand_path(p) == root(*path) }, "Load path includes '#{root(*path)}'. They are:\n-----\n #{$:.join("\n")}\n-----"
+    end
 
-  test "booting up Rails yields a valid paths object" do
-    assert_path @paths.app, "app"
-    assert_path @paths.app.metals, "app", "metal"
-    assert_path @paths.app.models, "app", "models"
-    assert_path @paths.app.helpers, "app", "helpers"
-    assert_path @paths.app.services, "app", "services"
-    assert_path @paths.lib, "lib"
-    assert_path @paths.vendor, "vendor"
-    assert_path @paths.vendor.plugins, "vendor", "plugins"
-    assert_path @paths.tmp, "tmp"
-    assert_path @paths.tmp.cache, "tmp", "cache"
-    assert_path @paths.config, "config"
-    assert_path @paths.config.locales, "config", "locales"
-    assert_path @paths.config.environments, "config", "environments"
-
-    assert_equal root("app", "controllers"), @paths.app.controllers.to_a.first
-    assert_equal Pathname.new(File.dirname(__FILE__)).join("..", "..", "builtin", "rails_info").expand_path,
-      Pathname.new(@paths.app.controllers.to_a[1]).expand_path
-  end
+    test "booting up Rails yields a valid paths object" do
+      assert_path @paths.app, "app"
+      assert_path @paths.app.metals, "app", "metal"
+      assert_path @paths.app.models, "app", "models"
+      assert_path @paths.app.helpers, "app", "helpers"
+      assert_path @paths.app.services, "app", "services"
+      assert_path @paths.lib, "lib"
+      assert_path @paths.vendor, "vendor"
+      assert_path @paths.vendor.plugins, "vendor", "plugins"
+      assert_path @paths.tmp, "tmp"
+      assert_path @paths.tmp.cache, "tmp", "cache"
+      assert_path @paths.config, "config"
+      assert_path @paths.config.locales, "config", "locales"
+      assert_path @paths.config.environments, "config", "environments"
+
+      assert_equal root("app", "controllers"), @paths.app.controllers.to_a.first
+      assert_equal Pathname.new(File.dirname(__FILE__)).join("..", "..", "builtin", "rails_info").expand_path,
+        Pathname.new(@paths.app.controllers.to_a[1]).expand_path
+    end
 
-  test "booting up Rails yields a list of paths that are eager" do
-    assert @paths.app.models.eager_load?
-    assert @paths.app.controllers.eager_load?
-    assert @paths.app.helpers.eager_load?
-    assert @paths.app.metals.eager_load?
-  end
+    test "booting up Rails yields a list of paths that are eager" do
+      assert @paths.app.models.eager_load?
+      assert @paths.app.controllers.eager_load?
+      assert @paths.app.helpers.eager_load?
+      assert @paths.app.metals.eager_load?
+    end
 
-  test "environments has a glob equal to the current environment" do
-    assert_equal "#{RAILS_ENV}.rb", @paths.config.environments.glob
-  end
+    test "environments has a glob equal to the current environment" do
+      assert_equal "#{RAILS_ENV}.rb", @paths.config.environments.glob
+    end
 
-  test "load path includes each of the paths in config.paths as long as the directories exist" do
-    assert_in_load_path "app"
-    assert_in_load_path "app", "controllers"
-    assert_in_load_path "app", "models"
-    assert_in_load_path "app", "helpers"
-    assert_in_load_path "lib"
-    assert_in_load_path "vendor"
-
-    assert_not_in_load_path "app", "views"
-    assert_not_in_load_path "app", "metal"
-    assert_not_in_load_path "app", "services"
-    assert_not_in_load_path "config"
-    assert_not_in_load_path "config", "locales"
-    assert_not_in_load_path "config", "environments"
-    assert_not_in_load_path "tmp"
-    assert_not_in_load_path "tmp", "cache"
-  end
+    test "load path includes each of the paths in config.paths as long as the directories exist" do
+      assert_in_load_path "app"
+      assert_in_load_path "app", "controllers"
+      assert_in_load_path "app", "models"
+      assert_in_load_path "app", "helpers"
+      assert_in_load_path "lib"
+      assert_in_load_path "vendor"
+
+      assert_not_in_load_path "app", "views"
+      assert_not_in_load_path "app", "metal"
+      assert_not_in_load_path "app", "services"
+      assert_not_in_load_path "config"
+      assert_not_in_load_path "config", "locales"
+      assert_not_in_load_path "config", "environments"
+      assert_not_in_load_path "tmp"
+      assert_not_in_load_path "tmp", "cache"
+    end
 
-  test "controller paths include builtin in development mode" do
-    RAILS_ENV.replace "development"
-    assert Rails::Configuration.new.paths.app.controllers.paths.any? { |p| p =~ /builtin/ }
-  end
+    test "controller paths include builtin in development mode" do
+      RAILS_ENV.replace "development"
+      assert Rails::Configuration.new.paths.app.controllers.paths.any? { |p| p =~ /builtin/ }
+    end
 
-  test "controller paths does not have builtin_directories in test mode" do
-    RAILS_ENV.replace "test"
-    assert !Rails::Configuration.new.paths.app.controllers.paths.any? { |p| p =~ /builtin/ }
-  end
+    test "controller paths does not have builtin_directories in test mode" do
+      RAILS_ENV.replace "test"
+      assert !Rails::Configuration.new.paths.app.controllers.paths.any? { |p| p =~ /builtin/ }
+    end
 
-  test "controller paths does not have builtin_directories in production mode" do
-    RAILS_ENV.replace "production"
-    assert !Rails::Configuration.new.paths.app.controllers.paths.any? { |p| p =~ /builtin/ }
-  end
+    test "controller paths does not have builtin_directories in production mode" do
+      RAILS_ENV.replace "production"
+      assert !Rails::Configuration.new.paths.app.controllers.paths.any? { |p| p =~ /builtin/ }
+    end
 
-end
\ No newline at end of file
+  end
+end
diff --git a/railties/test/isolation/abstract_unit.rb b/railties/test/isolation/abstract_unit.rb
index ba8b35d5cc..dc5fddb19d 100644
--- a/railties/test/isolation/abstract_unit.rb
+++ b/railties/test/isolation/abstract_unit.rb
@@ -89,6 +89,13 @@ module TestHelpers
         end
       end
 
+      routes = File.read("#{app_path}/config/routes.rb")
+      if routes =~ /(\n\s*end\s*)\Z/
+        File.open("#{app_path}/config/routes.rb", 'w') do |f|
+          f.puts $` + "\nmatch ':controller(/:action(/:id))(.:format)'\n" + $1
+        end
+      end
+
       add_to_config 'config.action_controller.session = { :key => "_myapp_session", :secret => "bac838a849c1d5c4de2e6a50af826079" }'
     end
 
@@ -128,7 +135,7 @@ module TestHelpers
 
     def add_to_config(str)
       environment = File.read("#{app_path}/config/application.rb")
-      if environment =~ /(\n\s*end\s*)\Z/
+      if environment =~ /(\n\s*end\s*end\s*)\Z/
         File.open("#{app_path}/config/application.rb", 'w') do |f|
           f.puts $` + "\n#{str}\n" + $1
         end
@@ -146,6 +153,14 @@ module TestHelpers
       app_file("app/controllers/#{name}_controller.rb", contents)
     end
 
+    def use_frameworks(arr)
+      to_remove =  [:actionmailer,
+                    :activemodel,
+                    :activerecord,
+                    :activeresource] - arr
+      $:.reject! {|path| path =~ %r'/(#{to_remove.join('|')})/' }
+    end
+
     def boot_rails
       root = File.expand_path('../../../..', __FILE__)
       begin
@@ -192,6 +207,6 @@ Module.new do
   `#{Gem.ruby} #{require_environment} #{RAILS_FRAMEWORK_ROOT}/railties/bin/rails #{tmp_path('app_template')}`
   File.open("#{tmp_path}/app_template/config/boot.rb", 'w') do |f|
     f.puts "require '#{environment}'" if require_environment
-    f.puts "require 'rails'"
+    f.puts "require 'rails/all'"
   end
 end
diff --git a/railties/test/metal_test.rb b/railties/test/metal_test.rb
index 2256b191e2..91f55c2b5e 100644
--- a/railties/test/metal_test.rb
+++ b/railties/test/metal_test.rb
@@ -1,5 +1,4 @@
 require 'abstract_unit'
-require 'rails/initializer'
 
 class MetalTest < Test::Unit::TestCase
   def test_metals_should_return_list_of_found_metal_apps
diff --git a/railties/test/paths_test.rb b/railties/test/paths_test.rb
index c724799d64..d60d6177f6 100644
--- a/railties/test/paths_test.rb
+++ b/railties/test/paths_test.rb
@@ -2,7 +2,6 @@ require 'abstract_unit'
 require 'rails/paths'
 
 class PathsTest < ActiveSupport::TestCase
-
   def setup
     @root = Rails::Application::Root.new("/foo/bar")
   end
@@ -228,4 +227,4 @@ class PathsTest < ActiveSupport::TestCase
     @root.app.eager_load!
     assert_equal ["/foo/bar/app"], @root.load_paths
   end
-end
\ No newline at end of file
+end
diff --git a/railties/test/plugins/configuration_test.rb b/railties/test/plugins/configuration_test.rb
new file mode 100644
index 0000000000..25bf24eb3b
--- /dev/null
+++ b/railties/test/plugins/configuration_test.rb
@@ -0,0 +1,36 @@
+require "isolation/abstract_unit"
+
+module PluginsTest
+  class ConfigurationTest < Test::Unit::TestCase
+    def setup
+      build_app
+      boot_rails
+      require "rails/all"
+    end
+
+    test "config is available to plugins" do
+      class Foo < Rails::Railtie ; end
+      assert_nil Foo.config.action_controller.foo
+    end
+
+    test "a config name is available for the plugin" do
+      class Foo < Rails::Railtie ; config.foo.greetings = "hello" ; end
+      assert_equal "hello", Foo.config.foo.greetings
+    end
+
+    test "plugin configurations are available in the application" do
+      class Foo < Rails::Railtie ; config.foo.greetings = "hello" ; end
+      require "#{app_path}/config/application"
+      assert_equal "hello", AppTemplate::Application.config.foo.greetings
+    end
+
+    test "plugin config merges are deep" do
+      class Foo < Rails::Railtie ; config.foo.greetings = 'hello' ; end
+      class MyApp < Rails::Application
+        config.foo.bar = "bar"
+      end
+      assert_equal "hello", MyApp.config.foo.greetings
+      assert_equal "bar",   MyApp.config.foo.bar
+    end
+  end
+end
diff --git a/railties/test/plugins/framework_extension_test.rb b/railties/test/plugins/framework_extension_test.rb
new file mode 100644
index 0000000000..c920db77aa
--- /dev/null
+++ b/railties/test/plugins/framework_extension_test.rb
@@ -0,0 +1,52 @@
+require "isolation/abstract_unit"
+
+module PluginsTest
+  class FrameworkExtensionTest < Test::Unit::TestCase
+    include ActiveSupport::Testing::Isolation
+
+    def setup
+      build_app
+      boot_rails
+      FileUtils.rm_rf("#{app_path}/config/environments")
+      require "rails/all"
+    end
+
+    test "rake_tasks block is executed when MyApp.load_tasks is called" do
+      $ran_block = false
+
+      class MyTie < Rails::Railtie
+        rake_tasks do
+          $ran_block = true
+        end
+      end
+
+      require "#{app_path}/config/environment"
+
+      assert !$ran_block
+      require 'rake'
+      require 'rake/testtask'
+      require 'rake/rdoctask'
+
+      AppTemplate::Application.load_tasks
+      assert $ran_block
+    end
+  end
+
+  class ActiveRecordExtensionTest < Test::Unit::TestCase
+    include ActiveSupport::Testing::Isolation
+
+    def setup
+      build_app
+      boot_rails
+      FileUtils.rm_rf("#{app_path}/config/environments")
+    end
+
+    test "active_record extensions are applied to ActiveRecord" do
+      add_to_config "config.active_record.table_name_prefix = 'tbl_'"
+
+      require "#{app_path}/config/environment"
+
+      assert_equal 'tbl_', ActiveRecord::Base.table_name_prefix
+    end
+  end
+end
\ No newline at end of file
diff --git a/railties/test/rails_info_controller_test.rb b/railties/test/rails_info_controller_test.rb
index a0484c0868..435bd34925 100644
--- a/railties/test/rails_info_controller_test.rb
+++ b/railties/test/rails_info_controller_test.rb
@@ -1,5 +1,6 @@
 require 'abstract_unit'
 require 'action_controller'
+require 'action_controller/test_case'
 
 require 'rails/info'
 require 'rails/info_controller'
@@ -14,17 +15,12 @@ class InfoControllerTest < ActionController::TestCase
   tests Rails::InfoController
 
   def setup
-    ActionController::Routing.use_controllers!(['rails/info'])
     ActionController::Routing::Routes.draw do |map|
-      map.connect ':controller/:action/:id'
+      match ':controller/:action'
     end
     @controller.stubs(:consider_all_requests_local => false, :local_request? => true)
   end
 
-  def teardown
-    ActionController::Routing.use_controllers! nil
-  end
-
   test "info controller does not allow remote requests" do
     @controller.stubs(:consider_all_requests_local => false, :local_request? => false)
     get :properties