4 files changed, 59 insertions, 17 deletions

diff --git a/actionpack/test/controller/integration_test.rb b/actionpack/test/controller/integration_test.rb
index ad7166bafa..97571c1308 100644
--- a/actionpack/test/controller/integration_test.rb
+++ b/actionpack/test/controller/integration_test.rb
@@ -35,7 +35,7 @@ class SessionTest < ActiveSupport::TestCase
     path = "/somepath"; args = {:id => '1'}; headers = {"X-Test-Header" => "testvalue"}
     assert_called_with @session, :process, [:put, path, params: args, headers: headers] do
       @session.stub :redirect?, false do
-        @session.request_via_redirect(:put, path, params: args, headers: headers)
+        assert_deprecated { @session.request_via_redirect(:put, path, params: args, headers: headers) }
       end
     end
   end
@@ -54,7 +54,7 @@ class SessionTest < ActiveSupport::TestCase
     value_series = [true, true, false]
     assert_called @session, :follow_redirect!, times: 2 do
       @session.stub :redirect?, ->{ value_series.shift } do
-        @session.request_via_redirect(:get, path, params: args, headers: headers)
+        assert_deprecated { @session.request_via_redirect(:get, path, params: args, headers: headers) }
       end
     end
   end
@@ -63,7 +63,9 @@ class SessionTest < ActiveSupport::TestCase
     path = "/somepath"; args = {:id => '1'}; headers = {"X-Test-Header" => "testvalue"}
     @session.stub :redirect?, false do
       @session.stub :status, 200 do
-        assert_equal 200, @session.request_via_redirect(:get, path, params: args, headers: headers)
+        assert_deprecated do
+          assert_equal 200, @session.request_via_redirect(:get, path, params: args, headers: headers)
+        end
       end
     end
   end
diff --git a/actionpack/test/controller/routing_test.rb b/actionpack/test/controller/routing_test.rb
index c477b4156c..168677829a 100644
--- a/actionpack/test/controller/routing_test.rb
+++ b/actionpack/test/controller/routing_test.rb
@@ -2064,11 +2064,11 @@ class RackMountIntegrationTests < ActiveSupport::TestCase
   def test_extras
     params = {:controller => 'people'}
     assert_equal [], @routes.extra_keys(params)
-    assert_equal({:controller => 'people'}, params)
+    assert_equal({:controller => 'people', :action => 'index'}, params)
 
     params = {:controller => 'people', :foo => 'bar'}
     assert_equal [:foo], @routes.extra_keys(params)
-    assert_equal({:controller => 'people', :foo => 'bar'}, params)
+    assert_equal({:controller => 'people', :action => 'index', :foo => 'bar'}, params)
 
     params = {:controller => 'people', :action => 'create', :person => { :name => 'Josh'}}
     assert_equal [:person], @routes.extra_keys(params)
diff --git a/actionpack/test/dispatch/routing/inspector_test.rb b/actionpack/test/dispatch/routing/inspector_test.rb
index 9d0d23d6de..5aafcb23c2 100644
--- a/actionpack/test/dispatch/routing/inspector_test.rb
+++ b/actionpack/test/dispatch/routing/inspector_test.rb
@@ -347,7 +347,7 @@ module ActionDispatch
         end
 
         assert_equal ["Prefix Verb URI Pattern            Controller#Action",
-                      "       GET  /:controller(/:action) (?-mix:api\\/[^\\/]+)#:action"], output
+                      "       GET  /:controller(/:action) :controller#:action"], output
       end
 
       def test_inspect_routes_shows_resources_route_when_assets_disabled
diff --git a/actionpack/test/dispatch/routing_test.rb b/actionpack/test/dispatch/routing_test.rb
index 09830c0c46..ade4b0c381 100644
--- a/actionpack/test/dispatch/routing_test.rb
+++ b/actionpack/test/dispatch/routing_test.rb
@@ -3991,16 +3991,6 @@ class TestUnicodePaths < ActionDispatch::IntegrationTest
 end
 
 class TestMultipleNestedController < ActionDispatch::IntegrationTest
-  module ::Foo
-    module Bar
-      class BazController < ActionController::Base
-        def index
-          render :inline => "<%= url_for :controller => '/pooh', :action => 'index' %>"
-        end
-      end
-    end
-  end
-
   Routes = ActionDispatch::Routing::RouteSet.new.tap do |app|
     app.draw do
       namespace :foo do
@@ -4012,7 +4002,18 @@ class TestMultipleNestedController < ActionDispatch::IntegrationTest
     end
   end
 
-  include Routes.url_helpers
+  module ::Foo
+    module Bar
+      class BazController < ActionController::Base
+        include Routes.url_helpers
+
+        def index
+          render :inline => "<%= url_for :controller => '/pooh', :action => 'index' %>"
+        end
+      end
+    end
+  end
+
   APP = build_app Routes
   def app; APP end
 
@@ -4755,3 +4756,42 @@ class TestPartialDynamicPathSegments < ActionDispatch::IntegrationTest
     assert_equal(params, request.path_parameters)
   end
 end
+
+class TestPathParameters < ActionDispatch::IntegrationTest
+  Routes = ActionDispatch::Routing::RouteSet.new.tap do |app|
+    app.draw do
+      scope module: 'test_path_parameters' do
+        scope ':locale', locale: /en|ar/ do
+          root to: 'home#index'
+          get '/about', to: 'pages#about'
+        end
+      end
+
+      get ':controller(/:action/(:id))'
+    end
+  end
+
+  class HomeController < ActionController::Base
+    include Routes.url_helpers
+
+    def index
+      render inline: "<%= root_path %>"
+    end
+  end
+
+  class PagesController < ActionController::Base
+    include Routes.url_helpers
+
+    def about
+      render inline: "<%= root_path(locale: :ar) %> | <%= url_for(locale: :ar) %>"
+    end
+  end
+
+  APP = build_app Routes
+  def app; APP end
+
+  def test_path_parameters_are_not_mutated
+    get '/en/about'
+    assert_equal "/ar | /ar/about", @response.body
+  end
+end