Add system spec to test delegation vote

app/assets/javascripts/decidim/action_delegator/questions.js.es6

@@ -13,6 +13,7 @@ $(() => {
   });
 
   delegationVoteButtons.click((e) => {
+    delegationDialog.foundation("close");
     voteDialog.foundation("open");
     delegationField.val($(e.currentTarget).data("delegation-id"));
     delegationCalloutsMessage.text($(e.currentTarget).data("delegation-granter-name"));

app/views/decidim/action_delegator/_delegations_modal.html.erb

@@ -45,7 +45,7 @@
                               method: :delete,
                               remote: true,
                               data: { disable: true },
-                              class: "button expanded success unvote_button" do %>
+                              class: "button expanded success delegation_unvote_button" do %>
                               <%= hidden_field_tag "decidim_consultations_delegation_id", delegation.id, id: "decidim_consultations_delegation_id_delete_#{delegation.id}" %>
                   <div class="vote-button-caption"
                        data-original="<%= t("questions.vote_button.already_voted", scope: "decidim") %>"

spec/system/decidim/action_delegator/delegations_spec.rb

@@ -0,0 +1,44 @@
+# frozen_string_literal: true
+
+require "spec_helper"
+
+describe "Delegation vote", type: :system do
+  let(:organization) { create(:organization) }
+  let(:question) { create :question, :published, consultation: consultation }
+
+  context "when active consultation" do
+    let(:consultation) { create(:consultation, :active, organization: organization) }
+    let(:user) { create(:user, :confirmed, organization: organization) }
+
+    context "and authenticated user" do
+      context "and never voted before" do
+        let!(:response) { create :response, question: question }
+        let(:setting) { create(:setting, consultation: consultation) }
+        let(:granter) { create(:user, :confirmed, organization: organization) }
+        let!(:delegation) { create(:delegation, setting: setting, granter: granter, grantee: user) }
+
+        before do
+          switch_to_host(organization.host)
+          login_as user, scope: :user
+          visit decidim_consultations.question_path(question)
+        end
+
+        it "Page contains a link to the delegations modal" do
+          expect(page).to have_link(id: "delegations-button")
+        end
+
+        it "lets the user vote on behalf of some other member" do
+          click_link(id: "delegations-button")
+          click_link(class: "delegation-vote-button")
+
+          expect(page).to have_content(I18n.t("decidim.action_delegator.delegations_modal.callout"))
+
+          click_button translated(response.title)
+          click_button "Confirm"
+
+          expect(page).to have_button(class: "delegation_unvote_button", visible: :hidden)
+        end
+      end
+    end
+  end
+end