# frozen_string_literal: true require 'rails_helper' RSpec.describe REST::Admin::CohortSerializer do subject { serialized_record_json(record, described_class) } let(:record) { Admin::Metrics::Retention.new('2024-01-01', '2024-01-02', 'day').cohorts.first } describe 'serialization' do it 'returns expected values' do expect(subject) .to include( 'data' => be_a(Array), 'period' => /2024-01-01/ ) end end end