Prevent balloting online after casting a ballot offline

spec/features/budget_polls/voter_spec.rb

@@ -2,7 +2,10 @@ require "rails_helper"
 
 feature "BudgetPolls", :with_frozen_time do
   let(:budget) { create(:budget, :balloting) }
-  let(:poll) { create(:poll, :current) }
+  let(:group) { create(:budget_group, budget: budget) }
+  let(:heading) { create(:budget_heading, group: group) }
+  let(:investment) { create(:budget_investment, :selected, heading: heading) }
+  let(:poll) { create(:poll, :current, budget: budget) }
   let(:booth) { create(:poll_booth) }
   let(:officer) { create(:poll_officer) }
   let(:admin) { create(:administrator) }
@@ -67,10 +70,29 @@ feature "BudgetPolls", :with_frozen_time do
       end
     end
 
-    scenario "A citizen cannot vote online after voting offline" do
-      # create scenario for an user that voted offline
+    scenario "A citizen cannot vote online after voting offline", :js do
+      user = create(:user, :in_census)
 
-      # Check the citizen cannot vote online
+      login_through_form_as_officer(officer.user)
+
+      visit new_officing_residence_path
+      officing_verify_residence
+
+      within("#poll_#{poll.id}") do
+        click_button("Confirm vote")
+      end
+
+      expect(page).to have_content "Vote introduced!"
+
+      login_as(user)
+
+      visit budget_investment_path(budget, investment)
+      find("div.ballot").hover
+
+      within("#budget_investment_#{investment.id}") do
+        expect(page).to have_content "You have already participated offline"
+        expect(page).to have_css(".add a", visible: false)
+      end
     end
   end