require 'cancan/matchers' RSpec.describe 'Abilities for Operations', type: :model do describe "a registered user" do subject { Ability.new(user) } let(:user) { create(:user) } it { is_expected.to be_able_to(:read, build(:operation, user: user)) } it { is_expected.not_to be_able_to(:read, build(:operation)) } end end