Instiki 0.17.2: Security Release

This release upgrades Instiki to Rails 2.3.4, which
patches two security holes in Rails. See

  http://weblog.rubyonrails.org/2009/9/4/ruby-on-rails-2-3-4

There are also some new features, and the usual boatload
of bugfixes. See the CHANGELOG for details.

vendor/rails/actionpack/test/controller/dispatcher_test.rb

@@ -2,25 +2,17 @@ require 'abstract_unit'
 
 class DispatcherTest < Test::Unit::TestCase
   Dispatcher = ActionController::Dispatcher
+  Reloader   = ActionController::Reloader
 
   def setup
     ENV['REQUEST_METHOD'] = 'GET'
-
-    Dispatcher.middleware = ActionController::MiddlewareStack.new do |middleware|
-      middlewares = File.expand_path(File.join(File.dirname(__FILE__), "../../lib/action_controller/middlewares.rb"))
-      middleware.instance_eval(File.read(middlewares))
-    end
-
-    # Clear callbacks as they are redefined by Dispatcher#define_dispatcher_callbacks
-    Dispatcher.instance_variable_set("@prepare_dispatch_callbacks", ActiveSupport::Callbacks::CallbackChain.new)
-    Dispatcher.instance_variable_set("@before_dispatch_callbacks", ActiveSupport::Callbacks::CallbackChain.new)
-    Dispatcher.instance_variable_set("@after_dispatch_callbacks", ActiveSupport::Callbacks::CallbackChain.new)
-
+    reset_dispatcher
     Dispatcher.stubs(:require_dependency)
   end
 
   def teardown
     ENV.delete 'REQUEST_METHOD'
+    reset_dispatcher
   end
 
   def test_clears_dependencies_after_dispatch_if_in_loading_mode
@@ -41,6 +33,34 @@ class DispatcherTest < Test::Unit::TestCase
     dispatch
   end
 
+  def test_builds_middleware_stack_only_during_initialization_if_not_in_loading_mode
+    dispatcher = create_dispatcher
+    assert_not_nil dispatcher.instance_variable_get(:"@app")
+    dispatcher.instance_variable_set(:"@app", lambda { |env| })
+    dispatcher.expects(:build_middleware_stack).never
+    dispatcher.call(nil)
+    dispatcher.call(nil)
+  end
+
+  def test_rebuilds_middleware_stack_on_every_request_if_in_loading_mode
+    dispatcher = create_dispatcher(false)
+    dispatcher.instance_variable_set(:"@app", lambda { |env| })
+    dispatcher.expects(:build_middleware_stack).twice
+    dispatcher.call(nil)
+    Reloader.default_lock.unlock
+    dispatcher.call(nil)
+  end
+
+  def test_doesnt_wrap_call_in_reloader_if_not_in_loading_mode
+    Reloader.expects(:run).never
+    dispatch
+  end
+
+  def test_wraps_call_in_reloader_if_in_loading_mode
+    Reloader.expects(:run).once
+    dispatch(false)
+  end
+
   # Stub out dispatch error logger
   class << Dispatcher
     def log_failsafe_exception(status, exception); end
@@ -99,6 +119,25 @@ class DispatcherTest < Test::Unit::TestCase
       Dispatcher.new.call({'rack.input' => StringIO.new('')})
     end
 
+    def create_dispatcher(cache_classes = true)
+      Dispatcher.define_dispatcher_callbacks(cache_classes)
+      Dispatcher.new
+    end
+
+    def reset_dispatcher
+      Dispatcher.middleware = ActionController::MiddlewareStack.new do |middleware|
+        middlewares = File.expand_path(File.join(File.dirname(__FILE__), "../../lib/action_controller/middlewares.rb"))
+        middleware.instance_eval(File.read(middlewares))
+      end
+
+      # Clear callbacks as they are redefined by Dispatcher#define_dispatcher_callbacks
+      Dispatcher.instance_variable_set("@prepare_dispatch_callbacks", ActiveSupport::Callbacks::CallbackChain.new)
+      Dispatcher.instance_variable_set("@before_dispatch_callbacks", ActiveSupport::Callbacks::CallbackChain.new)
+      Dispatcher.instance_variable_set("@after_dispatch_callbacks", ActiveSupport::Callbacks::CallbackChain.new)
+
+      Dispatcher.define_dispatcher_callbacks(true)
+    end
+
     def assert_subclasses(howmany, klass, message = klass.subclasses.inspect)
       assert_equal howmany, klass.subclasses.size, message
     end