services/nodemanager/tests/testutil.py

   1 #!/usr/bin/env python
   2
   3 from __future__ import absolute_import, print_function
   4
   5 import time
   6
   7 import mock
   8 import pykka
   9
  10 from . import pykka_timeout
  11
  12 no_sleep = mock.patch('time.sleep', lambda n: None)
  13
  14 def arvados_node_mock(node_num=99, job_uuid=None, age=0, **kwargs):
  15     if job_uuid is True:
  16         job_uuid = 'zzzzz-jjjjj-jobjobjobjobjob'
  17     slurm_state = 'idle' if (job_uuid is None) else 'alloc'
  18     node = {'uuid': 'zzzzz-yyyyy-{:015x}'.format(node_num),
  19             'created_at': '2014-01-01T01:02:03Z',
  20             'modified_at': time.strftime('%Y-%m-%dT%H:%M:%SZ',
  21                                          time.gmtime(time.time() - age)),
  22             'hostname': 'compute{}'.format(node_num),
  23             'domain': 'zzzzz.arvadosapi.com',
  24             'ip_address': ip_address_mock(node_num),
  25             'job_uuid': job_uuid,
  26             'info': {'slurm_state': slurm_state}}
  27     node.update(kwargs)
  28     return node
  29
  30 def cloud_node_mock(node_num=99):
  31     node = mock.NonCallableMagicMock(
  32         ['id', 'name', 'state', 'public_ips', 'private_ips', 'driver', 'size',
  33          'image', 'extra'],
  34         name='cloud_node')
  35     node.id = str(node_num)
  36     node.name = node.id
  37     node.public_ips = []
  38     node.private_ips = [ip_address_mock(node_num)]
  39     return node
  40
  41 def ip_address_mock(last_octet):
  42     return '10.20.30.{}'.format(last_octet)
  43
  44 class MockShutdownTimer(object):
  45     def _set_state(self, is_open, next_opening):
  46         self.window_open = lambda: is_open
  47         self.next_opening = lambda: next_opening
  48
  49
  50 class MockSize(object):
  51     def __init__(self, factor):
  52         self.id = 'z{}.test'.format(factor)
  53         self.name = self.id
  54         self.ram = 128 * factor
  55         self.disk = 100 * factor
  56         self.bandwidth = 16 * factor
  57         self.price = float(factor)
  58         self.extra = {}
  59
  60     def __eq__(self, other):
  61         return self.id == other.id
  62
  63
  64 class MockTimer(object):
  65     def schedule(self, want_time, callback, *args, **kwargs):
  66         return callback(*args, **kwargs)
  67
  68
  69 class ActorTestMixin(object):
  70     FUTURE_CLASS = pykka.ThreadingFuture
  71     TIMEOUT = pykka_timeout
  72
  73     def tearDown(self):
  74         pykka.ActorRegistry.stop_all()
  75
  76     def stop_proxy(self, proxy):
  77         return proxy.actor_ref.stop(timeout=self.TIMEOUT)
  78
  79     def wait_for_assignment(self, proxy, attr_name, unassigned=None,
  80                             timeout=TIMEOUT):
  81         deadline = time.time() + timeout
  82         while True:
  83             loop_timeout = deadline - time.time()
  84             if loop_timeout <= 0:
  85                 self.fail("actor did not assign {} in time".format(attr_name))
  86             result = getattr(proxy, attr_name).get(loop_timeout)
  87             if result is not unassigned:
  88                 return result
  89
  90
  91 class RemotePollLoopActorTestMixin(ActorTestMixin):
  92     def build_monitor(self, *args, **kwargs):
  93         self.timer = mock.MagicMock(name='timer_mock')
  94         self.client = mock.MagicMock(name='client_mock')
  95         self.subscriber = mock.Mock(name='subscriber_mock')
  96         self.monitor = self.TEST_CLASS.start(
  97             self.client, self.timer, *args, **kwargs).proxy()