require 'rails_helper' describe NotificationsController do describe "#index" do let(:user) { create :user } it "mark all notifications as read" do notifications = [create(:notification, user: user), create(:notification, user: user)] Notification.all.each do |notification| expect(notification.read).to be false end sign_in user get :index Notification.all.each do |notification| expect(notification.read).to be true end end end end