Sets #controller_path in all versions of Rails

* Fixes #316

Author: alindeman

Changelog.md

@@ -11,6 +11,8 @@ Bug fixes
 
 * Add `should` and `should_not` to `CollectionProxy` (Rails 3.1+) and
   `AssociationProxy` (Rails 3.0).  (Myron Marston)
+* `controller.controller_path` is set correctly for view specs in Rails 3.1+.
+  (Andy Lindeman)
 
 ### 2.11.0 / 2012-07-07
 [full changelog](http://github.com/rspec/rspec-rails/compare/v2.10.1...v2.11.0)

features/view_specs/inferred_controller_path.feature

@@ -8,6 +8,7 @@ Feature: view spec infers controller path and action
       describe "widgets/new" do
         it "infers the controller path" do
           expect(controller.request.path_parameters[:controller]).to eq("widgets")
+          expect(controller.controller_path).to eq("widgets")
         end
       end
       """

lib/rspec/rails/example/view_example_group.rb

@@ -142,10 +142,9 @@ def _include_controller_helpers
         if view.lookup_context.respond_to?(:prefixes)
           # rails 3.1
           view.lookup_context.prefixes << _controller_path
-        else
-          # rails 3.0
-          controller.controller_path = _controller_path
         end
+
+        controller.controller_path = _controller_path
         controller.request.path_parameters[:controller] = _controller_path
         controller.request.path_parameters[:action]     = _inferred_action unless _inferred_action =~ /^_/
       end