import test from "node:test";
import assert from "node:assert/strict";
import { getCurrentPeriodKey } from "../lib/quota-core";

test("getCurrentPeriodKey formats a UTC year-month string", () => {
  const periodKey = getCurrentPeriodKey(new Date("2026-04-24T08:00:00.000Z"));

  assert.equal(periodKey, "2026-04");
});