poll.js

class PollingBase {
  poll = async ({ fn, validate, interval, maxAttempts }) => {
    try {
      let attempts = 0;

      const executePoll = async (resolve, reject) => {
        try {
          const result = await fn();
          attempts++;
          console.log({ result });
          if (validate(result)) {
            return resolve(result);
          } else if (maxAttempts && attempts === maxAttempts) {
            return reject(new Error("polling: exceeded max attempts"));
          } else {
            this.pollTimeout = setTimeout(
              executePoll,
              interval,
              resolve,
              reject
            );
            console.log(this.pollTimeout);
          }
        } catch (err) {
          throw err;
        }
      };

      return new Promise(executePoll);
    } catch (err) {
      throw err;
    }
  };
}
  
// Error: Timeout - Async callback was not invoked within the 5000ms timeout specified by jest.setTimeout.Timeout
 describe("Polling Base", () => {
  it("Testing...", async () => {
    jest.useFakeTimers();

    const fn = jest.fn();
    const validate = (value) => (value === "success" ? true : false);

    fn.mockResolvedValueOnce("requested")
      .mockResolvedValueOnce("requested")
      .mockResolvedValueOnce("requested")
      .mockResolvedValueOnce("success");

    const base = new PollingBase();
    const polling = await base.poll({
      fn,
      validate,
      interval: 1000,
      maxAttempts: 4,
    });

    jest.advanceTimersByTime(4000);
    expect(fn).toHaveBeenCalledTimes(4);
  });
});