coupon_spec.rb

# frozen_string_literal: true

require 'rails_helper'

RSpec.describe Coupon, type: :model do
  subject(:coupon) { create(:coupon) }

  let(:organization) { create(:organization) }

  it_behaves_like 'paper_trail traceable'

  describe 'validations' do
    context 'when coupon is fixed amount' do
      it 'validates amount_cents' do
        expect(coupon).to be_valid

        coupon.amount_cents = nil
        expect(coupon).not_to be_valid
      end

      it 'validates amount_currency' do
        coupon.amount_currency = nil
        expect(coupon).not_to be_valid
      end

      it 'validates percentage_rate' do
        coupon.percentage_rate = nil
        expect(coupon).to be_valid
      end
    end

    context 'when coupon is percentage' do
      subject(:coupon) { create(:coupon, coupon_type: 'percentage', percentage_rate: 10) }

      it 'validates percentage_rate' do
        expect(coupon).to be_valid

        coupon.percentage_rate = nil
        expect(coupon).not_to be_valid
      end

      it 'validates amount_cents' do
        coupon.amount_cents = nil
        expect(coupon).to be_valid
      end

      it 'validates amount_currency' do
        coupon.amount_currency = nil
        expect(coupon).to be_valid
      end
    end
  end

  describe '.mark_as_terminated' do
    it 'terminates the coupon' do
      coupon.mark_as_terminated!

      aggregate_failures do
        expect(coupon).to be_terminated
        expect(coupon.terminated_at).to be_present
      end
    end
  end
end