# frozen_string_literal: true require_relative 'helper' require 'currency_names' describe CurrencyNames do let(:currency_names) do CurrencyNames.new end it 'returns currency codes and names' do _(currency_names.formatted['USD']).must_equal 'United States Dollar' end it 'has a cache key' do _(currency_names.cache_key).wont_be :empty? end end