services/nodemanager/tests/test_failure.py

   1 #!/usr/bin/env python
   2 # Copyright (C) The Arvados Authors. All rights reserved.
   3 #
   4 # SPDX-License-Identifier: AGPL-3.0
   5
   6 from __future__ import absolute_import, print_function
   7
   8 import errno
   9 import logging
  10 import time
  11 import threading
  12 import unittest
  13
  14 import mock
  15 import pykka
  16
  17 from . import testutil
  18
  19 import arvnodeman.baseactor
  20
  21 class BogusActor(arvnodeman.baseactor.BaseNodeManagerActor):
  22     def __init__(self, e):
  23         super(BogusActor, self).__init__()
  24         self.exp = e
  25
  26     def doStuff(self):
  27         raise self.exp
  28
  29     def ping(self):
  30         # Called by WatchdogActorTest, this delay is longer than the test timeout
  31         # of 1 second, which should cause the watchdog ping to fail.
  32         time.sleep(4)
  33         return True
  34
  35 class ActorUnhandledExceptionTest(testutil.ActorTestMixin, unittest.TestCase):
  36     def test_fatal_error(self):
  37         for e in (MemoryError(), threading.ThreadError(), OSError(errno.ENOMEM, "")):
  38             with mock.patch('os.kill') as kill_mock:
  39                 act = BogusActor.start(e).tell_proxy()
  40                 act.doStuff()
  41                 act.actor_ref.stop(block=True)
  42                 self.assertTrue(kill_mock.called)
  43
  44     @mock.patch('os.kill')
  45     def test_nonfatal_error(self, kill_mock):
  46         act = BogusActor.start(OSError(errno.ENOENT, "")).tell_proxy()
  47         act.doStuff()
  48         act.actor_ref.stop(block=True)
  49         self.assertFalse(kill_mock.called)
  50
  51 class WatchdogActorTest(testutil.ActorTestMixin, unittest.TestCase):
  52     @mock.patch('os.kill')
  53     def test_time_timout(self, kill_mock):
  54         act = BogusActor.start(OSError(errno.ENOENT, ""))
  55         watch = arvnodeman.baseactor.WatchdogActor.start(1, act)
  56         watch.stop(block=True)
  57         act.stop(block=True)
  58         self.assertTrue(kill_mock.called)