require 'rails_helper' describe UserNotification, type: :model do it 'should be of class UserNotification' do expect(subject.class).to eq UserNotification end describe 'Database table' do it { should have_db_column :user_id } it { should have_db_column :notification_id } it { should have_db_column :checked } it { should have_db_column :created_at } it { should have_db_column :updated_at } end describe 'Relations' do it { should belong_to :user } it { should belong_to :notification } end end