sdk/cwl/tests/test_tq.py

   1 # Copyright (C) The Arvados Authors. All rights reserved.
   2 #
   3 # SPDX-License-Identifier: Apache-2.0
   4
   5 import functools
   6 import mock
   7 import sys
   8 import unittest
   9 import json
  10 import logging
  11 import os
  12 import threading
  13
  14 from cwltool.task_queue import TaskQueue
  15
  16 def success_task():
  17     pass
  18
  19 def fail_task():
  20     raise Exception("Testing error handling")
  21
  22 class TestTaskQueue(unittest.TestCase):
  23     def test_tq(self):
  24         tq = TaskQueue(threading.Lock(), 2)
  25         try:
  26             self.assertIsNone(tq.error)
  27
  28             unlock = threading.Lock()
  29             unlock.acquire()
  30             check_done = threading.Event()
  31
  32             tq.add(success_task, unlock, check_done)
  33             tq.add(success_task, unlock, check_done)
  34             tq.add(success_task, unlock, check_done)
  35             tq.add(success_task, unlock, check_done)
  36         finally:
  37             tq.join()
  38
  39         self.assertIsNone(tq.error)
  40
  41
  42     def test_tq_error(self):
  43         tq = TaskQueue(threading.Lock(), 2)
  44         try:
  45             self.assertIsNone(tq.error)
  46
  47             unlock = threading.Lock()
  48             unlock.acquire()
  49             check_done = threading.Event()
  50
  51             tq.add(success_task, unlock, check_done)
  52             tq.add(success_task, unlock, check_done)
  53             tq.add(fail_task, unlock, check_done)
  54             tq.add(success_task, unlock, check_done)
  55         finally:
  56             tq.join()
  57
  58         self.assertIsNotNone(tq.error)