Fix all the broken tests due to the AC configuration refactor

actionpack/lib/action_controller/metal/compatibility.rb

@@ -91,6 +91,9 @@ def #{option}=(val)
     deprecated_config_writer :session_store
     deprecated_config_writer :session_options
     deprecated_config_accessor :relative_url_root, "relative_url_root is ineffective. Please stop using it"
+    deprecated_config_accessor :assets_dir
+    deprecated_config_accessor :javascripts_dir
+    deprecated_config_accessor :stylesheets_dir
 
     # For old tests
     def initialize_template_class(*) end

actionpack/lib/action_controller/metal/session_management.rb

@@ -3,24 +3,28 @@ module SessionManagement #:nodoc:
     extend ActiveSupport::Concern
 
     included do
-      self.config.session_store   ||= :cookie_store
+      # This is still needed for the session secret for some reason.
       self.config.session_options ||= {}
     end
 
+    def self.session_store_for(store)
+      case store
+      when :active_record_store
+        ActiveRecord::SessionStore
+      when Symbol
+        ActionDispatch::Session.const_get(store.to_s.camelize)
+      else
+        store
+      end
+    end
+
     module ClassMethods
       def session_options
         config.session_options
       end
 
       def session_store
-        case store = config.session_store
-        when :active_record_store
-          ActiveRecord::SessionStore
-        when Symbol
-          ActionDispatch::Session.const_get(store.to_s.camelize)
-        else
-          store
-        end
+        SessionManagement.session_store_for(config.session_store)
       end
 
       def session=(options = {})

actionpack/lib/action_controller/railtie.rb

@@ -13,6 +13,9 @@ class Railtie < Rails::Railtie
 
     log_subscriber ActionController::Railties::LogSubscriber.new
 
+    config.action_controller.session_store = :cookie_store
+    config.action_controller.session_options = {}
+
     initializer "action_controller.logger" do
       ActionController::Base.logger ||= Rails.logger
     end

railties/lib/rails/configuration.rb

@@ -88,7 +88,7 @@ def default_middleware
           middleware.use('::Rack::Sendfile', lambda { action_dispatch.x_sendfile_header })
           middleware.use('::ActionDispatch::Callbacks', lambda { !cache_classes })
           middleware.use('::ActionDispatch::Cookies')
-          middleware.use(lambda { action_controller.session_store }, lambda { action_controller.session_options })
+          middleware.use(lambda { ActionController::SessionManagement.session_store_for(action_controller.session_store) }, lambda { action_controller.session })
           middleware.use('::ActionDispatch::Flash', :if => lambda { action_controller.session_store })
           middleware.use(lambda { metal_loader.build_middleware(metals) }, :if => lambda { metal_loader.metals.any? })
           middleware.use('ActionDispatch::ParamsParser')

railties/test/application/metal_test.rb

@@ -28,7 +28,7 @@ def self.call(env)
         end
       RUBY
 
-      get "/"
+      get "/not/slash"
       assert_equal 200, last_response.status
       assert_equal "FooMetal", last_response.body
     end
@@ -50,7 +50,7 @@ def self.call(env)
         end
       RUBY
 
-      get "/"
+      get "/not/slash"
       assert_equal 200, last_response.status
       assert_equal "Metal B", last_response.body
     end

railties/test/application/middleware_test.rb

@@ -19,6 +19,7 @@ def setup
         "Rack::Runtime",
         "Rails::Rack::Logger",
         "ActionDispatch::ShowExceptions",
+        "ActionDispatch::RemoteIp",
         "Rack::Sendfile",
         "ActionDispatch::Callbacks",
         "ActionDispatch::Cookies",

railties/test/railties/shared_tests.rb

@@ -254,7 +254,7 @@ def self.call(env)
       require 'rack/test'
       extend Rack::Test::Methods
 
-      get "/"
+      get "/not/slash"
       assert_equal 200, last_response.status
       assert_equal "FooMetal", last_response.body
     end