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# 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(50) }
it { is_expected.to validate_length_of(:network).is_at_most(32) }
it { is_expected.to validate_numericality_of(:last_digits).is_less_than_or_equal_to(9999) }
describe '.similar_records' do
let(:card_details) do
subject.attributes.with_indifferent_access.slice(:expiration_date, :last_digits, :network, :holder_name)
end
subject!(:credit_card_validation) { create(:credit_card_validation, holder_name: 'Alice') }
let!(:match1) { create(:credit_card_validation, card_details) }
let!(:match2) { create(:credit_card_validation, card_details.merge(holder_name: 'Bob')) }
let!(:non_match1) { create(:credit_card_validation, card_details.merge(last_digits: 9)) }
let!(:non_match2) { create(:credit_card_validation, card_details.merge(network: 'unknown')) }
let!(:non_match3) do
create(:credit_card_validation, card_details.dup.tap { |h| h[:expiration_date] += 1.year })
end
it 'returns matches with the same last_digits, expiration and network, ordered by credit_card_validated_at' do
expect(subject.similar_records).to eq([match2, match1, subject])
end
end
describe '#similar_holder_names_count' do
subject!(:credit_card_validation) { create(:credit_card_validation, holder_name: holder_name) }
context 'when holder_name is present' do
let(:holder_name) { 'ALICE M SMITH' }
let!(:match) { create(:credit_card_validation, holder_name: 'Alice M Smith') }
let!(:non_match) { create(:credit_card_validation, holder_name: 'Bob B Brown') }
it 'returns the count of cards with similar case insensitive holder names' do
expect(subject.similar_holder_names_count).to eq(2)
end
end
context 'when holder_name is nil' do
let(:holder_name) { nil }
it 'returns 0' do
expect(subject.similar_holder_names_count).to eq(0)
end
end
end
end
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