Add survey related tests

spec/controllers/surveys_controller_spec.rb

@@ -0,0 +1,34 @@
+require 'spec_helper'
+
+describe SurveysController do
+  let(:admin) { create(:admin) }
+  let(:user) { create(:user) }
+
+  let!(:conference) { create(:conference, start_date: Date.current - 1.day, end_date: Date.current + 1.day, timezone: Time.current.zone) }
+  let!(:survey_future) { create(:survey, surveyable: conference, start_date: Date.current + 2.days, end_date: Date.current + 3.days) }
+  let!(:survey_past) { create(:survey, surveyable: conference, start_date: Date.current - 1.day, end_date: Date.current - 1.day) }
+  let!(:survey_present) { create(:survey, surveyable: conference, start_date: Date.current - 1.day, end_date: Date.current + 1.day) }
+
+  describe 'GET #index' do
+    context 'guest' do
+      before :each do
+        get :index, conference_id: conference.short_title
+      end
+
+      it '@sureveys variable is nil' do
+        expect(assigns(:surveys)).to eq [survey_present]
+      end
+    end
+
+    context 'signed in user' do
+      before :each do
+        sign_in user
+        get :index, conference_id: conference.short_title
+      end
+
+      it 'assigns @surveys with active surveys' do
+        expect(assigns(:surveys)).to eq [survey_present]
+      end
+    end
+  end
+end