test.rb, dev.rb, and production.rb just reopen the Application class; no more hax required

railties/lib/rails/application.rb

@@ -9,7 +9,13 @@ module Rails
       end
 
       def new
-        @instance ||= super
+        @instance ||= begin
+          begin
+            require config.environment_path
+          rescue LoadError
+          end
+          super
+        end
       end
 
       def config
@@ -119,23 +125,6 @@ module Rails
       @app.call(env)
     end
 
-
-    # Loads the environment specified by Configuration#environment_path, which
-    # is typically one of development, test, or production.
-    initializer :load_environment do
-      next unless File.file?(config.environment_path)
-
-      config = self.config
-
-      Kernel.class_eval do
-        meth = instance_method(:config) if Object.respond_to?(:config)
-        define_method(:config) { config }
-        require config.environment_path
-        remove_method :config
-        define_method(:config, &meth) if meth
-      end
-    end
-
     # Set the <tt>$LOAD_PATH</tt> based on the value of
     # Configuration#load_paths. Duplicates are removed.
     initializer :set_load_path do

railties/lib/rails/generators/rails/app/templates/config/environments/development.rb

@@ -1,17 +0,0 @@
-# Settings specified here will take precedence over those in config/environment.rb
-
-# In the development environment your application's code is reloaded on
-# every request.  This slows down response time but is perfect for development
-# since you don't have to restart the webserver when you make code changes.
-config.cache_classes = false
-
-# Log error messages when you accidentally call methods on nil.
-config.whiny_nils = true
-
-# Show full error reports and disable caching
-config.action_controller.consider_all_requests_local = true
-config.action_view.debug_rjs                         = true
-config.action_controller.perform_caching             = false
-
-# Don't care if the mailer can't send
-config.action_mailer.raise_delivery_errors = false

railties/lib/rails/generators/rails/app/templates/config/environments/development.rb.tt

@@ -0,0 +1,19 @@
+class <%= app_const %>
+  # Settings specified here will take precedence over those in config/environment.rb
+
+  # In the development environment your application's code is reloaded on
+  # every request.  This slows down response time but is perfect for development
+  # since you don't have to restart the webserver when you make code changes.
+  config.cache_classes = false
+
+  # Log error messages when you accidentally call methods on nil.
+  config.whiny_nils = true
+
+  # Show full error reports and disable caching
+  config.action_controller.consider_all_requests_local = true
+  config.action_view.debug_rjs                         = true
+  config.action_controller.perform_caching             = false
+
+  # Don't care if the mailer can't send
+  config.action_mailer.raise_delivery_errors = false
+end

railties/lib/rails/generators/rails/app/templates/config/environments/production.rb

@@ -1,31 +0,0 @@
-# Settings specified here will take precedence over those in config/environment.rb
-
-# The production environment is meant for finished, "live" apps.
-# Code is not reloaded between requests
-config.cache_classes = true
-
-# Full error reports are disabled and caching is turned on
-config.action_controller.consider_all_requests_local = false
-config.action_controller.perform_caching             = true
-
-# See everything in the log (default is :info)
-# config.log_level = :debug
-
-# Use a different logger for distributed setups
-# config.logger = SyslogLogger.new
-
-# Use a different cache store in production
-# config.cache_store = :mem_cache_store
-
-# Disable Rails's static asset server
-# In production, Apache or nginx will already do this
-config.serve_static_assets = false
-
-# Enable serving of images, stylesheets, and javascripts from an asset server
-# config.action_controller.asset_host = "http://assets.example.com"
-
-# Disable delivery errors, bad email addresses will be ignored
-# config.action_mailer.raise_delivery_errors = false
-
-# Enable threaded mode
-# config.threadsafe!

railties/lib/rails/generators/rails/app/templates/config/environments/production.rb.tt

@@ -0,0 +1,33 @@
+class <%= app_const %>
+  # Settings specified here will take precedence over those in config/environment.rb
+
+  # The production environment is meant for finished, "live" apps.
+  # Code is not reloaded between requests
+  config.cache_classes = true
+
+  # Full error reports are disabled and caching is turned on
+  config.action_controller.consider_all_requests_local = false
+  config.action_controller.perform_caching             = true
+
+  # See everything in the log (default is :info)
+  # config.log_level = :debug
+
+  # Use a different logger for distributed setups
+  # config.logger = SyslogLogger.new
+
+  # Use a different cache store in production
+  # config.cache_store = :mem_cache_store
+
+  # Disable Rails's static asset server
+  # In production, Apache or nginx will already do this
+  config.serve_static_assets = false
+
+  # Enable serving of images, stylesheets, and javascripts from an asset server
+  # config.action_controller.asset_host = "http://assets.example.com"
+
+  # Disable delivery errors, bad email addresses will be ignored
+  # config.action_mailer.raise_delivery_errors = false
+
+  # Enable threaded mode
+  # config.threadsafe!
+end

railties/lib/rails/generators/rails/app/templates/config/environments/test.rb

@@ -1,27 +0,0 @@
-# Settings specified here will take precedence over those in config/environment.rb
-
-# The test environment is used exclusively to run your application's
-# test suite.  You never need to work with it otherwise.  Remember that
-# your test database is "scratch space" for the test suite and is wiped
-# and recreated between test runs.  Don't rely on the data there!
-config.cache_classes = true
-
-# Log error messages when you accidentally call methods on nil.
-config.whiny_nils = true
-
-# Show full error reports and disable caching
-config.action_controller.consider_all_requests_local = true
-config.action_controller.perform_caching             = false
-
-# Disable request forgery protection in test environment
-config.action_controller.allow_forgery_protection    = false
-
-# Tell Action Mailer not to deliver emails to the real world.
-# The :test delivery method accumulates sent emails in the
-# ActionMailer::Base.deliveries array.
-config.action_mailer.delivery_method = :test
-
-# Use SQL instead of Active Record's schema dumper when creating the test database.
-# This is necessary if your schema can't be completely dumped by the schema dumper,
-# like if you have constraints or database-specific column types
-# config.active_record.schema_format = :sql

railties/lib/rails/generators/rails/app/templates/config/environments/test.rb.tt

@@ -0,0 +1,29 @@
+class <%= app_const %>
+  # Settings specified here will take precedence over those in config/environment.rb
+
+  # The test environment is used exclusively to run your application's
+  # test suite.  You never need to work with it otherwise.  Remember that
+  # your test database is "scratch space" for the test suite and is wiped
+  # and recreated between test runs.  Don't rely on the data there!
+  config.cache_classes = true
+
+  # Log error messages when you accidentally call methods on nil.
+  config.whiny_nils = true
+
+  # Show full error reports and disable caching
+  config.action_controller.consider_all_requests_local = true
+  config.action_controller.perform_caching             = false
+
+  # Disable request forgery protection in test environment
+  config.action_controller.allow_forgery_protection    = false
+
+  # Tell Action Mailer not to deliver emails to the real world.
+  # The :test delivery method accumulates sent emails in the
+  # ActionMailer::Base.deliveries array.
+  config.action_mailer.delivery_method = :test
+
+  # Use SQL instead of Active Record's schema dumper when creating the test database.
+  # This is necessary if your schema can't be completely dumped by the schema dumper,
+  # like if you have constraints or database-specific column types
+  # config.active_record.schema_format = :sql
+end

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(

railties/test/initializer/path_test.rb

@@ -7,14 +7,14 @@ class PathsTest < Test::Unit::TestCase
     build_app
     boot_rails
     require "rails"
-    Rails::Initializer.run do |config|
-      config.root = app_path
+    add_to_config <<-RUBY
+      config.root = "#{app_path}"
       config.frameworks = [:action_controller, :action_view, :action_mailer, :active_record]
       config.after_initialize do
         ActionController::Base.session_store = nil
       end
-    end
-    Rails.initialize!
+    RUBY
+    require "#{app_path}/config/environment"
     @paths = Rails.application.config.paths
   end
 

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