Refactor TurboStreamable spec to use an anonymous controller

config/routes.rb

@@ -171,11 +171,5 @@ Rails.application.routes.draw do
 
   get "/nodeinfo/2.1", to: "well_known/node_info#nodeinfo", as: :node_info
 
-  if Rails.env.test?
-    get "turbo_streamable" => "turbo_streamable_test#create"
-    get "turbo_streamable_blocked" => "turbo_streamable_test#blocked"
-    get "turbo_streamable_not_found" => "turbo_streamable_test#not_found"
-  end
-
   puts "processing time of routes.rb: #{"#{(Time.zone.now - start).round(3).to_s.ljust(5, '0')}s".light_green}"
 end

spec/controllers/concerns/turbo_streamable_spec.rb

@@ -2,31 +2,39 @@
 
 require "rails_helper"
 
-class TurboStreamableTestController < ApplicationController
-  include TurboStreamable
+describe ApplicationController, type: :controller do
+  controller do
+    include TurboStreamable
 
-  turbo_stream_actions :create, :blocked, :not_found
+    turbo_stream_actions :create, :blocked, :not_found
 
-  def create
-    params.require :message
+    def create
+      params.require :message
 
-    respond_to do |format|
-      format.turbo_stream do
-        render turbo_stream: render_toast("success!")
+      respond_to do |format|
+        format.turbo_stream do
+          render turbo_stream: render_toast("success!")
+        end
       end
     end
+
+    def blocked
+      raise Errors::Blocked
+    end
+
+    def not_found
+      raise ActiveRecord::RecordNotFound
+    end
   end
 
-  def blocked
-    raise Errors::Blocked
+  before do
+    routes.draw do
+      get "create" => "anonymous#create"
+      get "blocked" => "anonymous#blocked"
+      get "not_found" => "anonymous#not_found"
+    end
   end
 
-  def not_found
-    raise ActiveRecord::RecordNotFound
-  end
-end
-
-describe TurboStreamableTestController, type: :controller do
   render_views
 
   shared_examples_for "it returns a toast as Turbo Stream response" do |action, message|

spec/rails_helper.rb

@@ -60,6 +60,10 @@ RSpec.configure do |config|
   # arbitrary gems may also be filtered via:
   # config.filter_gems_from_backtrace("gem name")
 
+  # anonymous controllers will infer ApplicationController instead of the
+  # described class
+  config.infer_base_class_for_anonymous_controllers = false
+
   config.include Devise::Test::ControllerHelpers, type: :controller
   config.include Devise::Test::ControllerHelpers, type: :helper
 end