From bdf7d11c94f371499f13e9009177f9faac1f9a37 Mon Sep 17 00:00:00 2001
From: zzak <zzakscott@gmail.com>
Date: Mon, 29 May 2023 14:23:26 +0900
Subject: [PATCH] Import ActionController::MissingRenderer from Rails

---
 lib/action_controller/responder.rb          | 7 +++++++
 test/action_controller/respond_with_test.rb | 2 +-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/lib/action_controller/responder.rb b/lib/action_controller/responder.rb
index 5c77ba9..ab28263 100644
--- a/lib/action_controller/responder.rb
+++ b/lib/action_controller/responder.rb
@@ -131,6 +131,13 @@ class Responder
       put: :edit
     }
 
+    # See Responder#api_behavior
+    class MissingRenderer < LoadError
+      def initialize(format)
+        super "No renderer defined for format: #{format}"
+      end
+    end
+
     def initialize(controller, resources, options = {})
       @controller = controller
       @request = @controller.request
diff --git a/test/action_controller/respond_with_test.rb b/test/action_controller/respond_with_test.rb
index 2daf625..eb6628b 100644
--- a/test/action_controller/respond_with_test.rb
+++ b/test/action_controller/respond_with_test.rb
@@ -723,7 +723,7 @@ def test_using_resource_with_set_responder
 
   def test_raises_missing_renderer_if_an_api_behavior_with_no_renderer
     @controller = CsvRespondWithController.new
-    assert_raise ActionController::MissingRenderer do
+    assert_raise ActionController::Responder::MissingRenderer do
       get :index, format: "csv"
     end
   end