Render SDG content sidebar when sdg feature setting is enabled

app/controllers/sdg_management/base_controller.rb

@@ -1,4 +1,7 @@
 class SDGManagement::BaseController < ApplicationController
+  include FeatureFlags
+  feature_flag :sdg
+
   layout "admin"
 
   before_action :authenticate_user!

app/views/shared/_admin_login_items.html.erb

@@ -33,7 +33,7 @@
         </li>
       <% end %>
 
-      <% if current_user.administrator? %>
+      <% if feature?(:sdg) && current_user.administrator? %>
         <li>
           <%= link_to t("sdg_management.header.title"), sdg_management_root_path %>
         </li>

spec/system/sdg_management/goals_spec.rb

@@ -5,6 +5,8 @@ describe "Goals", :js do
 
   describe "Index" do
     scenario "Visit the index" do
+      Setting["feature.sdg"] = true
+
       visit sdg_management_root_path
 
       within("#side_menu") do

spec/system/sdg_management/sdg_spec.rb

@@ -0,0 +1,31 @@
+require "rails_helper"
+
+describe "SDG Management" do
+  before { login_as(create(:administrator).user) }
+
+  context "SDG feature flag is enabled", :js do
+    before { Setting["feature.sdg"] = true }
+
+    scenario "shows the SDG content link" do
+      visit root_path
+      click_link "Menu"
+
+      expect(page).to have_link "SDG content"
+    end
+  end
+
+  context "SDG feature is disabled" do
+    before { Setting["feature.sdg"] = false }
+
+    scenario "does not show the SDG Content link", :js do
+      visit root_path
+      click_link "Menu"
+
+      expect(page).not_to have_link "SDG content"
+    end
+
+    scenario "does not allow visits to the SDG content" do
+      expect { visit sdg_management_root_path }.to raise_exception(FeatureFlags::FeatureDisabled)
+    end
+  end
+end