Hide more information link when there's no description on an election

decidim-elections/app/helpers/decidim/elections/votes_helper.rb

@@ -14,7 +14,9 @@ def ordered_answers(question)
       end
 
       def more_information?(answer)
-        answer.description || answer.proposals.any? || answer.photos.any?
+        translated_attribute(answer.description).present? ||
+          answer.proposals.any? ||
+          answer.photos.any?
       end
     end
   end

decidim-elections/spec/helpers/decidim/elections/votes_helper_spec.rb

@@ -5,12 +5,20 @@
 module Decidim
   module Elections
     describe VotesHelper do
+      let(:question) { create :question, :complete, answers: 3, random_answers_order: random_answers_order }
+      let(:random_answers_order) { true }
+
+      let(:helper) do
+        Class.new(ActionView::Base) do
+          include VotesHelper
+          include TranslatableAttributes
+        end.new(ActionView::LookupContext.new(ActionController::Base.view_paths), {}, [])
+      end
+
       describe "ordered_answers" do
         subject(:uniq_results) { repetitions.times.map { helper.ordered_answers(question) }.uniq }
 
-        let(:question) { create :question, :complete, answers: 3, random_answers_order: random_answers_order }
         let(:repetitions) { 100 }
-        let(:random_answers_order) { true }
 
         it "orders answers in different order on different calls" do
           # This test could randomly fail with a very low probability (6*(5.0/6)**100, or 1 of 13.802.995 times)
@@ -33,6 +41,33 @@ module Elections
           end
         end
       end
+
+      describe "more_information?" do
+        let(:answer) { question.answers.first }
+        let(:show_more_information) { helper.more_information?(answer) }
+
+        context "when the answer has a description" do
+          before do
+            answer.description = { "en" => "Description" }
+            answer.save!
+          end
+
+          it "returns true" do
+            expect(show_more_information).to be_truthy
+          end
+        end
+
+        context "when the answer has no description" do
+          before do
+            answer.description = {}
+            answer.save!
+          end
+
+          it "returns false" do
+            expect(show_more_information).to be_falsey
+          end
+        end
+      end
     end
   end
 end

decidim-elections/spec/system/vote_online_spec.rb

@@ -39,6 +39,36 @@
 
       uses_the_voting_booth
     end
+
+    context "when there's description in a question" do
+      before do
+        # rubocop:disable Rails/SkipsModelValidations
+        Decidim::Elections::Answer.update_all(description: { en: "Some text" })
+        # rubocop:enable Rails/SkipsModelValidations
+      end
+
+      it "shows a link to view more information about the election" do
+        visit_component
+        click_link translated(election.title)
+        click_link "Start voting"
+        expect(page).to have_content("MORE INFORMATION")
+      end
+    end
+
+    context "when there's no description in a question" do
+      before do
+        # rubocop:disable Rails/SkipsModelValidations
+        Decidim::Elections::Answer.update_all(description: {})
+        # rubocop:enable Rails/SkipsModelValidations
+      end
+
+      it "does not show the more information link" do
+        visit_component
+        click_link translated(election.title)
+        click_link "Start voting"
+        expect(page).not_to have_content("MORE INFORMATION")
+      end
+    end
   end
 
   context "when the election is not published" do