services/nodemanager/tests/test_failure.py

   1 #!/usr/bin/env python
   2
   3 from __future__ import absolute_import, print_function
   4
   5 import errno
   6 import logging
   7 import time
   8 import threading
   9 import unittest
  10
  11 import mock
  12 import pykka
  13
  14 from . import testutil
  15
  16 import arvnodeman.baseactor
  17
  18 class BogusActor(arvnodeman.baseactor.BaseNodeManagerActor):
  19     def __init__(self, e):
  20         super(BogusActor, self).__init__()
  21         self.exp = e
  22
  23     def doStuff(self):
  24         raise self.exp
  25
  26     def ping(self):
  27         time.sleep(2)
  28
  29 class ActorUnhandledExceptionTest(unittest.TestCase):
  30     def test_fatal_error(self):
  31         for e in (MemoryError(), threading.ThreadError(), OSError(errno.ENOMEM, "")):
  32             with mock.patch('os.kill') as kill_mock:
  33                 act = BogusActor.start(e).tell_proxy()
  34                 act.doStuff()
  35                 act.actor_ref.stop(block=True)
  36                 self.assertTrue(kill_mock.called)
  37
  38     @mock.patch('os.kill')
  39     def test_nonfatal_error(self, kill_mock):
  40         act = BogusActor.start(OSError(errno.ENOENT, "")).tell_proxy()
  41         act.doStuff()
  42         act.actor_ref.stop(block=True)
  43         self.assertFalse(kill_mock.called)
  44
  45 class WatchdogActorTest(unittest.TestCase):
  46     @mock.patch('os.kill')
  47     def test_time_timout(self, kill_mock):
  48         act = BogusActor.start(OSError(errno.ENOENT, ""))
  49         watch = arvnodeman.baseactor.WatchdogActor.start(1)
  50         watch.stop(block=True)
  51         act.stop(block=True)
  52         self.assertTrue(kill_mock.called)