1 files changed, 25 insertions, 1 deletions
diff --git a/actionpack/test/controller/action_pack_assertions_test.rb b/actionpack/test/controller/action_pack_assertions_test.rb
index 55b4c1e6a6..9ab152fc5c 100644
--- a/actionpack/test/controller/action_pack_assertions_test.rb
+++ b/actionpack/test/controller/action_pack_assertions_test.rb
@@ -128,6 +128,16 @@ module Admin
   end
 end
 
+class ApiOnlyController < ActionController::API
+  def nothing
+    head :ok
+  end
+
+  def redirect_to_new_route
+    redirect_to new_route_url
+  end
+end
+
 class ActionPackAssertionsControllerTest < ActionController::TestCase
   def test_render_file_absolute_path
     get :render_file_absolute_path
@@ -165,11 +175,25 @@ class ActionPackAssertionsControllerTest < ActionController::TestCase
   def test_string_constraint
     with_routing do |set|
       set.draw do
-        get "photos", to: "action_pack_assertions#nothing", constraints: {subdomain: "admin"}
+        get "photos", to: "action_pack_assertions#nothing", constraints: { subdomain: "admin" }
       end
     end
   end
 
+  def test_with_routing_works_with_api_only_controllers
+    @controller = ApiOnlyController.new
+
+    with_routing do |set|
+      set.draw do
+        get "new_route", to: "api_only#nothing"
+        get "redirect_to_new_route", to: "api_only#redirect_to_new_route"
+      end
+
+      process :redirect_to_new_route
+      assert_redirected_to "http://test.host/new_route"
+    end
+  end
+
   def test_assert_redirect_to_named_route_failure
     with_routing do |set|
       set.draw do