# frozen_string_literal: true require 'spec_helper' RSpec.describe Users::CreditCardValidation do it { is_expected.to belong_to(:user) } it { is_expected.to validate_length_of(:holder_name).is_at_most(26) } it { is_expected.to validate_numericality_of(:last_digits).is_less_than_or_equal_to(9999) } describe '.similar_records' do let(:card_details) { subject.attributes.slice(:expiration_date, :last_digits, :holder_name) } subject(:credit_card_validation) { create(:credit_card_validation) } let!(:match1) { create(:credit_card_validation, card_details) } let!(:other1) { create(:credit_card_validation, card_details.merge(last_digits: 9)) } let!(:match2) { create(:credit_card_validation, card_details) } let!(:other2) { create(:credit_card_validation, card_details.merge(holder_name: 'foo bar')) } it 'returns records with matching credit card, ordered by credit_card_validated_at' do expect(subject.similar_records).to eq([match2, match1, subject]) end end end