Print routes available to each context

app/controllers/concerns/redirect_if_requested_concern.rb

@@ -8,6 +8,10 @@ module RedirectIfRequestedConcern
   private
 
     def redirect_if_requested
+      path_routes = _routes.named_routes.helper_names.map(&:to_s).sort.select { |r| r.end_with?('_path') }
+      puts "In concern method: #{path_routes.count}"
+      puts path_routes.map { |r| "\t#{r}" }
+
       redirect_to url_for(redirected_from_concern: true) if params[:redirect_me] == 'yes'
     end
 end

spec/app/controllers/concerns/redirect_if_requested_concern_spec.rb

@@ -5,6 +5,10 @@
     include RedirectIfRequestedConcern
 
     def test
+      path_routes = _routes.named_routes.helper_names.map(&:to_s).sort.select { |r| r.end_with?('_path') }
+      puts "In test controller method: #{path_routes.count}"
+      puts path_routes.map { |r| "\t#{r}" }
+
       render plain: 'Test controller, test method'
     end
   end
@@ -13,6 +17,11 @@ def test
 
   before do
     routes.draw { get 'test' => 'anonymous#test' }
+
+    path_routes = routes.named_routes.helper_names.map(&:to_s).sort.select { |r| r.end_with?('_path') }
+    puts "In test before hook: #{path_routes.count}"
+    puts path_routes.map { |r| "\t#{r}" }
+
     get :test, params: params, session: nil
   end
 

spec/app/controllers/home_controller_spec.rb

@@ -4,12 +4,8 @@
   describe '#show' do
     subject { response }
 
-    # controller {} # uncomment this to make all tests below fail at `get :show` with `ActionController::UrlGenerationError`
-
     before { get :show, params: params, session: nil }
 
-    controller {} # but here is fine, after `before`
-
     let(:params) { {} }
 
     it { is_expected.not_to be_redirect }