Deprecate render_component.

Please install render_component plugin from http://github.com/rails/render_component/tree/master
if your application uses this functionality.

actionpack/CHANGELOG

@@ -1,5 +1,7 @@
 *Edge*
 
+* Deprecate render_component. Please use render_component plugin from http://github.com/rails/render_component/tree/master [Pratik]
+
 * Routes may be restricted to lists of HTTP methods instead of a single method or :any.  #407 [Brennan Dunn, Gaius Centus Novus]
     map.resource :posts, :collection => { :search => [:get, :post] }
     map.session 'session', :requirements => { :method => [:get, :post, :delete] }

actionpack/lib/action_controller/base.rb

@@ -548,12 +548,16 @@ module ActionController #:nodoc:
           @@guard.synchronize { send(method, *arguments) }
         end
 
-        response.prepare! unless component_request?
-        response
+        send_response
       ensure
         process_cleanup
       end
 
+      def send_response
+        response.prepare! unless component_request?
+        response
+      end
+
       # Returns a URL that has been rewritten according to the options hash and the defined Routes.
       # (For doing a complete redirect, use redirect_to).
       #

actionpack/lib/action_controller/components.rb

@@ -38,6 +38,7 @@ module ActionController #:nodoc:
     def self.included(base) #:nodoc:
       base.class_eval do
         include InstanceMethods
+        include ActiveSupport::Deprecation
         extend ClassMethods
         helper HelperMethods
 
@@ -82,6 +83,7 @@ module ActionController #:nodoc:
             render_for_text(component_response(options, true).body, response.headers["Status"])
           end
         end
+        deprecate :render_component => "Please install render_component plugin from http://github.com/rails/render_component/tree/master"
 
         # Returns the component response as a string
         def render_component_as_string(options) #:doc:
@@ -95,6 +97,7 @@ module ActionController #:nodoc:
             end
           end
         end
+        deprecate :render_component_as_string => "Please install render_component plugin from http://github.com/rails/render_component/tree/master"
 
         def flash_with_components(refresh = false) #:nodoc:
           if !defined?(@_flash) || refresh

actionpack/test/controller/components_test.rb

@@ -77,49 +77,64 @@ class ComponentsTest < Test::Unit::TestCase
   end
 
   def test_calling_from_controller
-    get :calling_from_controller
-    assert_equal "Lady of the House, speaking", @response.body
+    assert_deprecated do
+      get :calling_from_controller
+      assert_equal "Lady of the House, speaking", @response.body
+    end
   end
 
   def test_calling_from_controller_with_params
-    get :calling_from_controller_with_params
-    assert_equal "David of the House, speaking", @response.body
+    assert_deprecated do
+      get :calling_from_controller_with_params
+      assert_equal "David of the House, speaking", @response.body
+    end
   end
 
   def test_calling_from_controller_with_different_status_code
-    get :calling_from_controller_with_different_status_code
-    assert_equal 500, @response.response_code
+    assert_deprecated do
+      get :calling_from_controller_with_different_status_code
+      assert_equal 500, @response.response_code
+    end
   end
 
   def test_calling_from_template
-    get :calling_from_template
-    assert_equal "Ring, ring: Lady of the House, speaking", @response.body
+    assert_deprecated do
+      get :calling_from_template
+      assert_equal "Ring, ring: Lady of the House, speaking", @response.body
+    end
   end
 
   def test_etag_is_set_for_parent_template_when_calling_from_template
-    get :calling_from_template
-    expected_etag = etag_for("Ring, ring: Lady of the House, speaking")
-    assert_equal expected_etag, @response.headers['ETag']
+    assert_deprecated do
+      get :calling_from_template
+      expected_etag = etag_for("Ring, ring: Lady of the House, speaking")
+      assert_equal expected_etag, @response.headers['ETag']
+    end
   end
 
   def test_internal_calling
-    get :internal_caller
-    assert_equal "Are you there? Yes, ma'am", @response.body
+    assert_deprecated do
+      get :internal_caller
+      assert_equal "Are you there? Yes, ma'am", @response.body
+    end
   end
 
   def test_flash
-    get :set_flash
-    assert_equal 'My stoney baby', flash[:notice]
-    get :use_flash
-    assert_equal 'My stoney baby', @response.body
-    get :use_flash
-    assert_equal 'no flash', @response.body
+    assert_deprecated do
+      get :set_flash
+      assert_equal 'My stoney baby', flash[:notice]
+      get :use_flash
+      assert_equal 'My stoney baby', @response.body
+      get :use_flash
+      assert_equal 'no flash', @response.body
+    end
   end
 
   def test_component_redirect_redirects
-    get :calling_redirected
-
-    assert_redirected_to :controller=>"callee", :action => "being_called"
+    assert_deprecated do
+      get :calling_redirected
+      assert_redirected_to :controller=>"callee", :action => "being_called"
+    end
   end
 
   def test_component_multiple_redirect_redirects
@@ -128,9 +143,10 @@ class ComponentsTest < Test::Unit::TestCase
   end
 
   def test_component_as_string_redirect_renders_redirected_action
-    get :calling_redirected_as_string
-
-    assert_equal "Lady of the House, speaking", @response.body
+    assert_deprecated do
+      get :calling_redirected_as_string
+      assert_equal "Lady of the House, speaking", @response.body
+    end
   end
 
   protected

activesupport/lib/active_support/deprecation.rb

@@ -109,7 +109,7 @@ module ActiveSupport
       end
 
       def deprecation_horizon
-        '2.0'
+        '2.3'
       end
     end