Fix up template handler tests. Closes #10437.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@8372 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionpack/lib/action_view/base.rb

@@ -252,6 +252,10 @@ module ActionView #:nodoc:
       @@template_handlers[extension.to_sym] || @@default_template_handlers
     end
 
+    def self.template_handler_extensions
+      @@template_handler_extensions ||= @@template_handlers.keys.map(&:to_s).sort
+    end
+
     register_default_template_handler :erb, TemplateHandlers::ERB
     register_template_handler :rjs, TemplateHandlers::RJS
     register_template_handler :builder, TemplateHandlers::Builder
@@ -500,7 +504,7 @@ If you are rendering a subtemplate, you must now use controller-like partial syn
       def find_template_extension_from_handler(template_path, formatted = nil)
         checked_template_path = formatted ? "#{template_path}.#{template_format}" : template_path
 
-        @@template_handlers.each do |extension,|
+        self.class.template_handler_extensions.each do |extension|
           if template_exists?(checked_template_path, extension)
             return formatted ? "#{template_format}.#{extension}" : extension.to_s
           end

actionpack/test/controller/new_render_test.rb

@@ -241,11 +241,11 @@ class NewRenderTestController < ActionController::Base
   end
 
   def hello_world_from_rxml_using_action
-    render :action => "hello_world.builder"
+    render :action => "hello_world_from_rxml.builder"
   end
 
   def hello_world_from_rxml_using_template
-    render :template => "test/hello_world.builder"
+    render :template => "test/hello_world_from_rxml.builder"
   end
 
   def head_with_location_header

actionpack/test/fixtures/test/hello_world.builder

@@ -1,4 +0,0 @@
-xml.html do
-  xml.p "Hello"
-end
-"String return value"