1 files changed, 14 insertions, 6 deletions
diff --git a/actionpack/lib/action_dispatch/routing/route_set.rb b/actionpack/lib/action_dispatch/routing/route_set.rb
index 357eaec572..987e709f6f 100644
--- a/actionpack/lib/action_dispatch/routing/route_set.rb
+++ b/actionpack/lib/action_dispatch/routing/route_set.rb
@@ -1,13 +1,14 @@
 # frozen_string_literal: true
 
-require_relative "../journey"
+require "action_dispatch/journey"
 require "active_support/core_ext/object/to_query"
 require "active_support/core_ext/hash/slice"
+require "active_support/core_ext/module/redefine_method"
 require "active_support/core_ext/module/remove_method"
 require "active_support/core_ext/array/extract_options"
 require "action_controller/metal/exceptions"
-require_relative "../http/request"
-require_relative "endpoint"
+require "action_dispatch/http/request"
+require "action_dispatch/routing/endpoint"
 
 module ActionDispatch
   module Routing
@@ -546,7 +547,7 @@ module ActionDispatch
 
           # plus a singleton class method called _routes ...
           included do
-            singleton_class.send(:redefine_method, :_routes) { routes }
+            redefine_singleton_method(:_routes) { routes }
           end
 
           # And an instance method _routes. Note that
@@ -583,14 +584,14 @@ module ActionDispatch
         if route.segment_keys.include?(:controller)
           ActiveSupport::Deprecation.warn(<<-MSG.squish)
             Using a dynamic :controller segment in a route is deprecated and
-            will be removed in Rails 5.2.
+            will be removed in Rails 6.0.
           MSG
         end
 
         if route.segment_keys.include?(:action)
           ActiveSupport::Deprecation.warn(<<-MSG.squish)
             Using a dynamic :action segment in a route is deprecated and
-            will be removed in Rails 5.2.
+            will be removed in Rails 6.0.
           MSG
         end
 
@@ -841,6 +842,10 @@ module ActionDispatch
         end
 
         req = make_request(env)
+        recognize_path_with_request(req, path, extras)
+      end
+
+      def recognize_path_with_request(req, path, extras)
         @router.recognize(req) do |route, params|
           params.merge!(extras)
           params.each do |key, value|
@@ -859,6 +864,9 @@ module ActionDispatch
             end
 
             return req.path_parameters
+          elsif app.matches?(req) && app.engine?
+            path_parameters = app.rack_app.routes.recognize_path_with_request(req, path, extras)
+            return path_parameters
           end
         end