3 files changed, 20 insertions, 0 deletions
diff --git a/actionpack/lib/action_controller.rb b/actionpack/lib/action_controller.rb
index d08e3c4e8e..0233937a25 100644
--- a/actionpack/lib/action_controller.rb
+++ b/actionpack/lib/action_controller.rb
@@ -13,6 +13,7 @@ module ActionController
   autoload :Middleware
 
   autoload_under "metal" do
+    autoload :BasicRendering, 'action_controller/metal/rendering'
     autoload :Compatibility
     autoload :ConditionalGet
     autoload :Cookies
diff --git a/actionpack/lib/action_controller/base.rb b/actionpack/lib/action_controller/base.rb
index 3fd5fb90d2..9941c06201 100644
--- a/actionpack/lib/action_controller/base.rb
+++ b/actionpack/lib/action_controller/base.rb
@@ -14,6 +14,7 @@ module ActionController
   #
   metal = Class.new(Metal) do
     include AbstractController::Rendering
+    include ActionController::BasicRendering
   end
 
   # Action Controllers are the core of a web request in \Rails. They are made up of one or more actions that are executed
diff --git a/actionpack/lib/action_controller/metal/rendering.rb b/actionpack/lib/action_controller/metal/rendering.rb
index abcc9d4acf..2d58e1440c 100644
--- a/actionpack/lib/action_controller/metal/rendering.rb
+++ b/actionpack/lib/action_controller/metal/rendering.rb
@@ -1,4 +1,22 @@
 module ActionController
+  module BasicRendering
+    extend ActiveSupport::Concern
+
+    # Render template to response_body
+    # :api: public
+    def render(*args, &block)
+      super(*args, &block)
+      text = args.first[:text]
+      if text.present?
+        self.response_body = text
+      end
+    end
+
+    def rendered_format
+      Mime::TEXT
+    end
+  end
+
   module Rendering
     extend ActiveSupport::Concern