Pass the route name explicitly

Follow up to 212057b9. Since that commit, we need to pass the `route_name`
explicitly. This is one of the left-over cases that was not handled in that
commit, which was causing `use_route` to be ignored in functional tests.

2 files changed, 14 insertions, 1 deletions

diff --git a/actionpack/lib/action_controller/test_case.rb b/actionpack/lib/action_controller/test_case.rb
index 41d33d4396..aa475dc4c4 100644
--- a/actionpack/lib/action_controller/test_case.rb
+++ b/actionpack/lib/action_controller/test_case.rb
@@ -710,7 +710,8 @@ module ActionController
             :relative_url_root => nil,
             :_recall => @request.path_parameters)
 
-          url, query_string = @routes.path_for(options).split("?", 2)
+          route_name = options.delete :use_route
+          url, query_string = @routes.path_for(options, route_name).split("?", 2)
 
           @request.env["SCRIPT_NAME"] = @controller.config.relative_url_root
           @request.env["PATH_INFO"] = url
diff --git a/actionpack/test/controller/test_case_test.rb b/actionpack/test/controller/test_case_test.rb
index 9d7abd5e94..957c0a5288 100644
--- a/actionpack/test/controller/test_case_test.rb
+++ b/actionpack/test/controller/test_case_test.rb
@@ -499,6 +499,18 @@ XML
     end
   end
 
+  def test_use_route
+    with_routing do |set|
+      set.draw do
+        get 'via_unnamed_route', to: 'test_case_test/test#test_uri'
+        get 'via_named_route', as: :a_named_route, to: 'test_case_test/test#test_uri'
+      end
+
+      get :test_uri, use_route: :a_named_route
+      assert_equal '/via_named_route', @response.body
+    end
+  end
+
   def test_assert_realistic_path_parameters
     get :test_params, :id => 20, :foo => Object.new