phone_verification_service_spec.rb

require 'spec_helper'

describe Account::PhoneVerificationService do
  let(:verification_code) { SecureRandom.hex(5) }
  let!(:account) { create(:account, phone_verification_code: verification_code, phone_verification_sent_at: 2.hours.ago) }
  let(:service) { Account::PhoneVerificationService.new(account) }

  describe '#verify' do
    describe 'with valid code' do
      it 'should be success' do
        expect(service.verify(verification_code)).to eq(true)
      end

      it 'should mark phone as verificated' do
        expect { service.verify(verification_code) }.to change(account, :phone_verified?).to(true)
      end

      it 'should not add errors' do
        service.verify(verification_code)

        expect(service.errors).to be_blank
      end
    end

    describe 'with invalid code' do
      it 'should not be success' do
        expect(service.verify('1')).not_to be_truthy
      end

      it 'should not mark phone as verificated' do
        expect { service.verify('1') }.not_to change(account, :phone_verified?)
      end

      it 'should add errors' do
        service.verify('1')

        expect(service.errors).not_to be_empty
      end

      it 'should count incorrect retries' do
        expect { service.verify('1') }.to change(account, :phone_verification_attempts)
      end
    end

    describe 'with expired code' do
      it 'should show error' do
        Timecop.travel(25.hours.from_now) do
          expect(service.verify(verification_code)).to be_falsey
          expect(service.errors).not_to be_empty
        end
      end
    end

    describe 'with failed attempts exceeded' do
      let(:invalid_code) { '1' }

      before { 2.times { service.verify(invalid_code) } }
      before { allow(service).to receive(:resend_message) { true }  }

      it 'should be falsey' do
        expect(service.verify(invalid_code)).to be_falsey
      end

      it 'should show error' do
        service.verify(invalid_code)

        expect(service.errors).not_to be_empty
      end
    end
  end
end