e2e test

test.ts

test("revalidate should work in GET route handler", async ({
  request,
  page,
}) => {
  let time = Date.parse(
    (await request.get("/methods/get/revalidate").then((res) => res.json()))
      .time,
  );
  let newTime: number;
  let tempTime = time;
  do {
    await page.waitForTimeout(1000);
    time = tempTime;
    const newTimeRes = await request.get("/methods/get/revalidate");
    newTime = Date.parse((await newTimeRes.json()).time);
    tempTime = newTime;
  } while (time !== newTime);
  const midTime = Date.parse(
    (await request.get("/methods/get/revalidate").then((res) => res.json()))
      .time,
  );
  
  await page.waitForTimeout(1000);
  // Expect that the time is still stale
  expect(midTime).toEqual(newTime);

  // Wait 5 + 1 seconds for ISR to regenerate time
  await page.waitForTimeout(6000);
  let finalTime = newTime;
  do {
    await page.waitForTimeout(2000);
    finalTime = Date.parse(
      (await request.get("/methods/get/revalidate").then((res) => res.json()))
        .time,
    );
  }
  while (newTime === finalTime);

  expect(newTime).not.toEqual(finalTime);
});