Add a couple more tests to respond_with.

Signed-off-by: NYehuda Katz <wycats@gmail.com>

actionpack/lib/action_controller/base/mime_responds.rb

@@ -4,7 +4,7 @@ module MimeResponds #:nodoc:
 
     included do
       class_inheritable_reader :mimes_for_respond_to
-      respond_to # Set mimes_for_respond_to hash
+      clear_respond_to
     end
 
     module ClassMethods
@@ -31,25 +31,22 @@ module ClassMethods
       #
       def respond_to(*mimes)
         options = mimes.extract_options!
-        mimes_hash = {}
 
         only_actions   = Array(options.delete(:only))
         except_actions = Array(options.delete(:except))
 
         mimes.each do |mime|
           mime = mime.to_sym
-          mimes_hash[mime]          = {}
-          mimes_hash[mime][:only]   = only_actions   unless only_actions.empty?
-          mimes_hash[mime][:except] = except_actions unless except_actions.empty?
+          mimes_for_respond_to[mime]          = {}
+          mimes_for_respond_to[mime][:only]   = only_actions   unless only_actions.empty?
+          mimes_for_respond_to[mime][:except] = except_actions unless except_actions.empty?
         end
-
-        write_inheritable_hash(:mimes_for_respond_to, mimes_hash)
       end
 
       # Clear all mimes in respond_to.
       #
-      def clear_respond_to!
-        mimes_for_respond_to.each { |k,v| mimes[k] = { :only => [] } }
+      def clear_respond_to
+        write_inheritable_attribute(:mimes_for_respond_to, ActiveSupport::OrderedHash.new)
       end
     end
 
@@ -185,10 +182,10 @@ def respond_to(*mimes, &block)
 
       resource  = options.delete(:with)
       responder = Responder.new
-      block.call(responder) if block_given?
 
       mimes = collect_mimes_from_class_level if mimes.empty?
       mimes.each { |mime| responder.send(mime) }
+      block.call(responder) if block_given?
 
       if format = request.negotiate_mime(responder.order)
         respond_to_block_or_template_or_resource(format, resource,
@@ -276,7 +273,7 @@ def respond_to_block_or_template_or_resource(format, resource, options)
       begin
         default_render
       rescue ActionView::MissingTemplate => e
-        if resource && resource.respond_to?("to_#{format.to_sym}")
+        if resource && resource.respond_to?(:"to_#{format.to_sym}")
           render options.merge(format.to_sym => resource)
         else
           raise e

actionpack/test/controller/mime_responds_test.rb

@@ -508,6 +508,12 @@ def using_resource_with_options
     end
   end
 
+  def default_overwritten
+    respond_to do |format|
+      format.html { render :text => "HTML" }
+    end
+  end
+
 protected
 
   def _render_js(js, options)
@@ -516,6 +522,17 @@ def _render_js(js, options)
   end
 end
 
+class InheritedRespondWithController < RespondWithController
+  clear_respond_to
+  respond_to :xml, :json
+
+  def index
+    respond_with(RespondResource.new) do |format|
+      format.json { render :text => "JSON" }
+    end
+  end
+end
+
 class RespondWithControllerTest < ActionController::TestCase
   tests RespondWithController
 
@@ -590,6 +607,27 @@ def test_using_resource_with_options
     assert_equal "JS", @response.body
   end
 
+  def test_default_overwritten
+    get :default_overwritten
+    assert_equal "text/html", @response.content_type
+    assert_equal "HTML", @response.body
+  end
+
+  def test_clear_respond_to
+    @controller = InheritedRespondWithController.new
+    @request.accept = "text/html"
+    get :index
+    assert_equal 406, @response.status
+  end
+
+  def test_first_in_respond_to_has_higher_priority
+    @controller = InheritedRespondWithController.new
+    @request.accept = "*/*"
+    get :index
+    assert_equal "application/xml", @response.content_type
+    assert_equal "XML", @response.body
+  end
+
   def test_not_acceptable
     @request.accept = "application/xml"
     get :using_defaults