import std/os
import chronos
import chronos/threadsync
import chronos/unittest2/asynctests
import taskpools

proc worker(data: string, sig: ThreadSignalPtr) =
  os.sleep(4_000)
  echo "running worker: "
  echo "worker: ", data
  discard sig.fireSync()

proc runTest(tp: TaskPool, sig: ThreadSignalPtr) {.async.} =
  ## init
  var obj = "hello world!"
  # obj.shallow()

  echo "spawn worker"
  tp.spawn worker(obj, sig)

  ## adding fut.wait(100.milliseconds) creates memory issue
  await wait(sig).wait(100.milliseconds)
  ## just doing the wait is fine:
  # await wait(sig)

proc runTests(tp: TaskPool, sig: ThreadSignalPtr) {.async.} =
  for i in 1..2_000:
    try:
      await runTest(tp, sig)
      os.sleep(200)
    except AsyncTimeoutError:
      echo "looping..."

suite "async tests":
  var tp = Taskpool.new(num_threads = 2) # Default to the number of hardware threads.
  let sig = ThreadSignalPtr.new().get()

  asyncTest "test":
    await runTests(tp, sig)