# frozen_string_literal: true require 'rails_helper' RSpec.describe REST::Admin::IpSerializer do subject { serialized_record_json(record, described_class) } let(:record) { UserIp.new(used_at: 3.days.ago) } context 'when used_at is populated' do it 'parses as RFC 3339 datetime' do expect { DateTime.rfc3339(subject['used_at']) }.to_not raise_error end end end