2 files changed, 48 insertions, 0 deletions
diff --git a/actionpack/test/abstract_unit.rb b/actionpack/test/abstract_unit.rb
index ef7aab72c6..604ba267d6 100644
--- a/actionpack/test/abstract_unit.rb
+++ b/actionpack/test/abstract_unit.rb
@@ -371,6 +371,12 @@ module RoutingTestHelpers
   end
 end
 
+class MetalRenderingController < ActionController::Metal
+  include AbstractController::Rendering
+  include ActionController::Rendering
+  include ActionController::Renderers
+end
+
 class ResourcesController < ActionController::Base
   def index() head :ok end
   alias_method :show, :index
diff --git a/actionpack/test/controller/metal/renderers_test.rb b/actionpack/test/controller/metal/renderers_test.rb
new file mode 100644
index 0000000000..007866a559
--- /dev/null
+++ b/actionpack/test/controller/metal/renderers_test.rb
@@ -0,0 +1,42 @@
+require 'abstract_unit'
+require 'active_support/core_ext/hash/conversions'
+
+class MetalRenderingJsonController < MetalRenderingController
+  class Model
+    def to_json(options = {})
+      { a: 'b' }.to_json(options)
+    end
+
+    def to_xml(options = {})
+      { a: 'b' }.to_xml(options)
+    end
+  end
+
+  use_renderers :json
+
+  def one
+    render json: Model.new
+  end
+
+  def two
+    render xml: Model.new
+  end
+end
+
+class RenderersMetalTest < ActionController::TestCase
+  tests MetalRenderingJsonController
+
+  def test_render_json
+    get :one
+    assert_response :success
+    assert_equal({ a: 'b' }.to_json, @response.body)
+    assert_equal 'application/json', @response.content_type
+  end
+
+  def test_render_xml
+    get :two
+    assert_response :success
+    assert_equal(" ", @response.body)
+    assert_equal 'text/plain', @response.content_type
+  end
+end