4 files changed, 24 insertions, 1 deletions
diff --git a/actionpack/CHANGELOG.md b/actionpack/CHANGELOG.md
index 5571513186..567e1b8a06 100644
--- a/actionpack/CHANGELOG.md
+++ b/actionpack/CHANGELOG.md
@@ -1,5 +1,7 @@
 ## Rails 3.2.6 (unreleased) ##
 
+*   Allow to use mounted_helpers (helpers for accessing mounted engines) in ActionView::TestCase. *Piotr Sarnacki*
+
 *   Include mounted_helpers (helpers for accessing mounted engines) in ActionDispatch::IntegrationTest by default. *Piotr Sarnacki*
 
 
diff --git a/actionpack/lib/action_view/test_case.rb b/actionpack/lib/action_view/test_case.rb
index 98ce21ce1d..658a503f7f 100644
--- a/actionpack/lib/action_view/test_case.rb
+++ b/actionpack/lib/action_view/test_case.rb
@@ -229,7 +229,8 @@ module ActionView
 
       def method_missing(selector, *args)
         if @controller.respond_to?(:_routes) &&
-          @controller._routes.named_routes.helpers.include?(selector)
+          ( @controller._routes.named_routes.helpers.include?(selector) ||
+            @controller._routes.mounted_helpers.method_defined?(selector) )
           @controller.__send__(selector, *args)
         else
           super
diff --git a/actionpack/test/abstract_unit.rb b/actionpack/test/abstract_unit.rb
index 40ca23a39d..74efcba666 100644
--- a/actionpack/test/abstract_unit.rb
+++ b/actionpack/test/abstract_unit.rb
@@ -286,6 +286,7 @@ module ActionController
     include ActionController::Testing
     # This stub emulates the Railtie including the URL helpers from a Rails application
     include SharedTestRoutes.url_helpers
+    include SharedTestRoutes.mounted_helpers
 
     self.view_paths = FIXTURE_LOAD_PATH
 
diff --git a/actionpack/test/template/test_case_test.rb b/actionpack/test/template/test_case_test.rb
index a75f1bc981..13a2b7fb6f 100644
--- a/actionpack/test/template/test_case_test.rb
+++ b/actionpack/test/template/test_case_test.rb
@@ -222,6 +222,25 @@ module ActionView
       end
     end
 
+    test "is able to use mounted routes" do
+      with_routing do |set|
+        app = Class.new do
+          def self.routes
+            @routes ||= ActionDispatch::Routing::RouteSet.new
+          end
+
+          routes.draw { get "bar", :to => lambda {} }
+
+          def self.call(*)
+          end
+        end
+
+        set.draw { mount app => "/foo", :as => "foo_app" }
+
+        assert_equal '/foo/bar', foo_app.bar_path
+      end
+    end
+
     test "named routes can be used from helper included in view" do
       with_routing do |set|
         set.draw { resources :contents }