import { describe, expect, it, vi } from "vitest";

import { systemClock } from "../../src/application/ports/clock-port.js";

describe("systemClock", () => {
  it("resolves after the requested duration", async () => {
    vi.useFakeTimers();
    const sleeper = systemClock.sleep(250);
    await vi.advanceTimersByTimeAsync(250);
    await expect(sleeper).resolves.toBeUndefined();
    vi.useRealTimers();
  });
});