Fix registering on conference

decidim-conferences/app/controllers/decidim/conferences/registration_types_controller.rb

@@ -8,7 +8,7 @@ class RegistrationTypesController < Decidim::Conferences::ApplicationController
       helper_method :collection, :conference
 
       def index
-        raise ActionController::RoutingError, "No registration types for this conference " if registration_types.empty? && current_participatory_space.registrations_enabled.empty?
+        raise ActionController::RoutingError, "No registration types for this conference " if registration_types.empty? && current_participatory_space.registrations_enabled
 
         enforce_permission_to :list, :registration_types
       end

decidim-conferences/spec/controllers/conferences_controller_spec.rb

@@ -4,7 +4,7 @@
 
 module Decidim
   module Conferences
-    describe ConferencesController do
+    describe RegistrationTypesControllerController do
       routes { Decidim::Conferences::Engine.routes }
 
       let(:organization) { create(:organization) }

decidim-conferences/spec/controllers/registration_types_controller_spec.rb

@@ -0,0 +1,59 @@
+# frozen_string_literal: true
+
+require "spec_helper"
+
+module Decidim
+  module Conferences
+    describe RegistrationTypesController do
+      routes { Decidim::Conferences::Engine.routes }
+
+      let(:organization) { create(:organization) }
+      let!(:conference) do
+        create(
+          :conference,
+          :published,
+          registrations_enabled:,
+          organization:
+        )
+      end
+      let(:registrations_enabled) { true }
+      let(:registration_types_count) { 5 }
+      let!(:registration_types) do
+        create_list(:registration_type, registration_types_count, conference:)
+      end
+      let(:registration_type) { registration_types.first }
+
+      before do
+        request.env["decidim.current_organization"] = organization
+      end
+
+      describe "index" do
+        context "when registration_types is present" do
+          it "does not raise an error" do
+            get :index, params: { conference_slug: conference.slug }
+            assert_response :success
+          end
+        end
+
+        context "when registration_types is empty" do
+          let(:registration_types) { nil }
+          context "and current_participatory_space registrations is enabled" do
+            it "does raise an error" do
+              expect { get :index, params: { conference_slug: conference.slug } }
+                .to raise_error(ActionController::RoutingError)
+            end
+          end
+
+          context "and current_participatory_space registrations is disabled" do
+            let(:registrations_enabled) { false }
+
+            it "does not raise an error" do
+              get :index, params: { conference_slug: conference.slug }
+              assert_response :success
+            end
+          end
+        end
+      end
+    end
+  end
+end

decidim-conferences/spec/system/conference_registrations_spec.rb

@@ -127,6 +127,19 @@ def visit_conference_registration_type
         expect(page).to have_css("button[disabled]", text: "Registration", count: 4)
       end
     end
+
+    context "and there is no registrations types" do
+      let!(:registration_types) { [] }
+
+      it "allows to register" do
+        visit_conference
+        within ".conference__hero" do
+          expect(page).to have_content "Register"
+          click_on "Register"
+          expect(page).to have_content "CHOOSE YOUR REGISTRATION OPTION:"
+        end
+      end
+    end
   end
 
   context "and the user is going to the conference" do