require "rails_helper" RSpec.describe Location, type: :model do describe "#new" do let(:location) { FactoryBot.build(:location) } it "belongs to an organisation" do expect(location.scheme).to be_a(Scheme) end end describe "#validate_postcode" do let(:location) { FactoryBot.build(:location) } it "does not add an error if postcode is valid" do location.postcode = "M1 1AE" location.save! expect(location.errors).to be_empty end it "does add an error when the postcode is invalid" do location.postcode = "invalid" expect { location.save! } .to raise_error(ActiveRecord::RecordInvalid, "Validation failed: Postcode Enter a postcode in the correct format, for example AA1 1AA") end end end