Create the application object from config/environment.rb

This is preliminary and not necessarily reflective of the
  full plan.

railties/lib/rails/application.rb

@@ -1,12 +1,20 @@
 module Rails
   class Application
-    attr_accessor :middleware, :routes
+    attr_accessor :routes, :config
+
+    def self.load(environment_file)
+      environment = File.read(environment_file)
+      Object.class_eval(environment, environment_file)
+    end
 
     def initialize
-      @middleware = ActionDispatch::MiddlewareStack.new
       @routes = ActionController::Routing::Routes
     end
 
+    def middleware
+      config.middleware
+    end
+
     def call(env)
       @app ||= middleware.build(@routes)
       @app.call(env)

railties/lib/rails/core.rb

@@ -5,6 +5,14 @@ module Rails
   # ---
   # TODO: w0t?
   class << self
+    def application
+      @@application
+    end
+
+    def application=(application)
+      @@application = application
+    end
+
     # The Configuration instance used to configure the Rails environment
     def configuration
       @@configuration
@@ -14,14 +22,6 @@ module Rails
       @@configuration = configuration
     end
 
-    def application
-      @@application
-    end
-
-    def application=(application)
-      @@application = application
-    end
-
     def initialized?
       @initialized || false
     end

railties/lib/rails/generators/rails/app/templates/config.ru

@@ -1,7 +1,8 @@
 # Rack Dispatcher
 
+# Bootstrap rails
+require ::File.dirname(__FILE__) + '/config/boot'
 # Require your environment file to bootstrap Rails
-require ::File.dirname(__FILE__) + '/config/environment'
 
 # Dispatch the request
-run ActionController::Dispatcher.new
+run Rails::Application.load(::File.dirname(__FILE__) + '/config/environment.rb')

railties/lib/rails/generators/rails/app/templates/config/boot.rb

@@ -46,7 +46,7 @@ module Rails
       %w(railties/lib).each do |path|
         $:.unshift("#{RAILS_ROOT}/vendor/rails/#{path}")
       end
-      require "rails/initializer"
+      require "rails"
       Rails::Initializer.run(:install_gem_spec_stubs)
       Rails::GemDependency.add_frozen_gem_path
     end
@@ -56,7 +56,7 @@ module Rails
     def load_initializer
       self.class.load_rubygems
       load_rails_gem
-      require 'rails/initializer'
+      require 'rails'
     end
 
     def load_rails_gem

railties/lib/rails/initializer.rb

@@ -90,7 +90,6 @@ module Rails
 
       def run(initializer = nil)
         Rails.configuration = Base.config = @config
-        Rails.application = nil
 
         if initializer
           run_initializer(initializer)
@@ -98,7 +97,14 @@ module Rails
           @initializers.each {|block| run_initializer(block) }
         end
 
-        Rails.application
+        # HAX
+        # TODO: remove hax
+        unless initializer
+          app = Rails::Application.new
+          app.config = @config
+
+          Rails.application = app
+        end
       end
     end
 
@@ -605,11 +611,4 @@ Run `rake gems:install` to install the missing gems.
       Rails::Generators.options.deep_merge! config.generators.options
     end
   end
-
-  Initializer.default.add :build_application do
-    if configuration.frameworks.include?(:action_controller)
-      Rails.application = Rails::Application.new
-      Rails.application.middleware = configuration.middleware
-    end
-  end
 end

railties/test/application/load_test.rb

@@ -6,6 +6,10 @@ module ApplicationTests
   class LoadTest < Test::Unit::TestCase
     include ActiveSupport::Testing::Isolation
 
+    def rackup
+      ActionDispatch::Utils.parse_config("#{app_path}/config.ru")
+    end
+
     def setup
       build_app
     end
@@ -14,48 +18,23 @@ module ApplicationTests
       assert File.exist?(app_path("config"))
     end
 
-    test "running Rails::Application.load on the path returns a (vaguely) useful application" do
-      app_file "config.ru", <<-CONFIG
-        require File.dirname(__FILE__) + '/config/environment'
-        run ActionController::Dispatcher.new
-      CONFIG
-
-      @app = ActionDispatch::Utils.parse_config("#{app_path}/config.ru")
+    test "config.ru can be racked up" do
+      @app = rackup
       assert_welcome get("/")
     end
 
-    test "config.ru is used" do
-      app_file "config.ru", <<-CONFIG
-        class MyMiddleware
-          def initialize(app)
-            @app = app
-          end
-
-          def call(env)
-            status, headers, body = @app.call(env)
-            headers["Config-Ru-Test"] = "TESTING"
-            [status, headers, body]
-          end
-        end
-
-        use MyMiddleware
-        run proc {|env| [200, {"Content-Type" => "text/html"}, ["VICTORY"]] }
-      CONFIG
-
-      @app = ActionDispatch::Utils.parse_config("#{app_path}/config.ru")
-
-      assert_body    "VICTORY", get("/omg")
-      assert_header  "Config-Ru-Test", "TESTING", get("/omg")
+    test "Rails.application is available after config.ru has been racked up" do
+      rackup
+      assert Rails.application.is_a?(Rails::Application)
     end
 
-    test "arbitrary.rb can be used as a config" do
-      app_file "myapp.rb", <<-CONFIG
-        Myapp = proc {|env| [200, {"Content-Type" => "text/html"}, ["OMG ROBOTS"]] }
-      CONFIG
+    test "class_evaling config/environment.rb returns the application object" do
+      assert Rails::Application.load("#{app_path}/config/environment.rb").is_a?(Rails::Application)
+    end
 
-      @app = ActionDispatch::Utils.parse_config("#{app_path}/myapp.rb")
-
-      assert_body "OMG ROBOTS", get("/omg")
+    test "the config object is available on the application object" do
+      rackup
+      assert_equal 'UTC', Rails.application.config.time_zone
     end
   end
 end