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

import { waitForever } from "./wait.js";

describe("waitForever", () => {
  it("creates an unref'ed interval and returns a pending promise", () => {
    const setIntervalSpy = vi.spyOn(global, "setInterval");
    const promise = waitForever();
    expect(setIntervalSpy).toHaveBeenCalledWith(expect.any(Function), 1_000_000);
    expect(promise).toBeInstanceOf(Promise);
    setIntervalSpy.mockRestore();
  });
});