Ensure collections are not treated as nested resources.

actionpack/lib/action_controller/metal/mime_responds.rb

@@ -226,10 +226,11 @@ def respond_to(*mimes, &block)
     # is quite simple (it just needs to respond to call), you can even give
     # a proc to it.
     #
-    def respond_with(resource, options={}, &block)
+    def respond_with(*resources, &block)
       respond_to(&block)
     rescue ActionView::MissingTemplate
-      (options.delete(:responder) || responder).call(self, resource, options)
+      options = resources.extract_options!
+      (options.delete(:responder) || responder).call(self, resources, options)
     end
 
     def responder

actionpack/lib/action_controller/metal/responder.rb

@@ -64,7 +64,7 @@ module ActionController #:nodoc:
   #     @project = Project.find(params[:project_id])
   #     @task = @project.comments.build(params[:task])
   #     flash[:notice] = 'Task was successfully created.' if @task.save
-  #     respond_with([@project, @task])
+  #     respond_with(@project, @task)
   #   end
   #
   # Giving an array of resources, you ensure that the responder will redirect to
@@ -74,19 +74,19 @@ module ActionController #:nodoc:
   # polymorphic urls. If a project has one manager which has many tasks, it
   # should be invoked as:
   #
-  #   respond_with([@project, :manager, @task])
+  #   respond_with(@project, :manager, @task)
   #
   # Check polymorphic_url documentation for more examples.
   #
   class Responder
     attr_reader :controller, :request, :format, :resource, :resource_location, :options
 
-    def initialize(controller, resource, options={})
+    def initialize(controller, resources, options={})
       @controller = controller
       @request = controller.request
       @format = controller.formats.first
-      @resource = resource.is_a?(Array) ? resource.last : resource
-      @resource_location = options[:location] || resource
+      @resource = resources.is_a?(Array) ? resources.last : resources
+      @resource_location = options[:location] || resources
       @options = options
     end
 

actionpack/test/controller/mime_responds_test.rb

@@ -497,16 +497,20 @@ def using_resource
     respond_with(Customer.new("david", 13))
   end
 
+  def using_resource_with_collection
+    respond_with([Customer.new("david", 13), Customer.new("jamis", 9)])
+  end
+
   def using_resource_with_parent
-    respond_with([Quiz::Store.new("developer?", 11), Customer.new("david", 13)])
+    respond_with(Quiz::Store.new("developer?", 11), Customer.new("david", 13))
   end
 
   def using_resource_with_status_and_location
     respond_with(Customer.new("david", 13), :location => "http://test.host/", :status => :created)
   end
 
   def using_resource_with_responder
-    responder = proc { |c, r, o| c.render :text => "Resource name is #{r.name}" }
+    responder = proc { |c, r, o| c.render :text => "Resource name is #{r.first.name}" }
     respond_with(Customer.new("david", 13), :responder => responder)
   end
 
@@ -592,7 +596,7 @@ def test_using_resource
     @request.accept = "application/xml"
     get :using_resource
     assert_equal "application/xml", @response.content_type
-    assert_equal "XML", @response.body
+    assert_equal "<name>david</name>", @response.body
 
     @request.accept = "application/json"
     assert_raise ActionView::MissingTemplate do
@@ -622,7 +626,7 @@ def test_using_resource_for_post_with_xml
     post :using_resource
     assert_equal "application/xml", @response.content_type
     assert_equal 201, @response.status
-    assert_equal "XML", @response.body
+    assert_equal "<name>david</name>", @response.body
     assert_equal "http://www.example.com/customers/13", @response.location
 
     errors = { :name => :invalid }
@@ -689,7 +693,7 @@ def test_using_resource_with_parent_for_get
     get :using_resource_with_parent
     assert_equal "application/xml", @response.content_type
     assert_equal 200, @response.status
-    assert_equal "XML", @response.body
+    assert_equal "<name>david</name>", @response.body
   end
 
   def test_using_resource_with_parent_for_post
@@ -698,7 +702,7 @@ def test_using_resource_with_parent_for_post
     post :using_resource_with_parent
     assert_equal "application/xml", @response.content_type
     assert_equal 201, @response.status
-    assert_equal "XML", @response.body
+    assert_equal "<name>david</name>", @response.body
     assert_equal "http://www.example.com/quiz_stores/11/customers/13", @response.location
 
     errors = { :name => :invalid }
@@ -710,6 +714,15 @@ def test_using_resource_with_parent_for_post
     assert_nil @response.location
   end
 
+  def test_using_resource_with_collection
+    @request.accept = "application/xml"
+    get :using_resource_with_collection
+    assert_equal "application/xml", @response.content_type
+    assert_equal 200, @response.status
+    assert_match /<name>david<\/name>/, @response.body
+    assert_match /<name>jamis<\/name>/, @response.body
+  end
+
   def test_clear_respond_to
     @controller = InheritedRespondWithController.new
     @request.accept = "text/html"
@@ -722,7 +735,7 @@ def test_first_in_respond_to_has_higher_priority
     @request.accept = "*/*"
     get :index
     assert_equal "application/xml", @response.content_type
-    assert_equal "XML", @response.body
+    assert_equal "<name>david</name>", @response.body
   end
 
   def test_no_double_render_is_raised

actionpack/test/lib/controller/fake_models.rb

@@ -10,12 +10,16 @@ def to_param
     id.to_s
   end
 
-  def to_xml
-    "XML"
+  def to_xml(options={})
+    if options[:builder]
+      options[:builder].name name
+    else
+      "<name>#{name}</name>"
+    end
   end
 
-  def to_js
-    "JS"
+  def to_js(options={})
+    "name: #{name.inspect}"
   end
 
   def errors