Don't respond_to the source's private methods

spec/draper/decorator_spec.rb

@@ -298,8 +298,8 @@
         subject.respond_to?(:awesome_private_title, true).should be_true
       end
 
-      it "returns true for the source's private methods" do
-        subject.respond_to?(:private_title, true).should be_true
+      it "returns false for the source's private methods" do
+        subject.respond_to?(:private_title, true).should be_false
       end
     end
 
@@ -361,6 +361,10 @@
       subject.delegated_method.should == "Yay, delegation"
     end
 
+    it "does not proxy private methods" do
+      expect{subject.private_title}.to raise_error NoMethodError
+    end
+
     context "with method security" do
       it "respects allows" do
         source.stub(:hello_world, :goodnight_moon).and_return(:proxied)