require 'rails_helper' RSpec.describe NotificationSetting, type: :model do describe "Associations" do it { is_expected.to belong_to(:user) } end describe "Validation" do subject { NotificationSetting.new } it { is_expected.to validate_presence_of(:user) } it { is_expected.to validate_presence_of(:source) } it { is_expected.to validate_presence_of(:level) } end end