require 'rails_helper' RSpec.describe Region, type: :model do context "validations" do it { is_expected.to validate_presence_of(:abbreviation) } it { is_expected.to validate_uniqueness_of(:abbreviation) .with_message("must be unique") } it { is_expected.to validate_presence_of(:description) } it { is_expected.to validate_presence_of(:name) } end end