require 'rails_helper' describe Token, type: :model do it 'should be of class Token' do expect(subject.class).to eq Token end describe 'Database table' do it { should have_db_column :token } it { should have_db_column :ttl } it { should have_db_column :user_id } end describe 'Relations' do it { should belong_to :user } end describe 'Should be a valid object' do it { should validate_presence_of :token } it { should validate_presence_of :ttl } end end