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#!/usr/bin/env python
"""Unit test for ClusterShell Task with all engines (local worker)"""
import sys
import unittest
sys.path.insert(0, '../lib')
from ClusterShell.Defaults import DEFAULTS
from ClusterShell.Engine.Select import EngineSelect
from ClusterShell.Engine.Poll import EnginePoll
from ClusterShell.Engine.EPoll import EngineEPoll
from ClusterShell.Task import *
from TaskLocalMixin import TaskLocalMixin
ENGINE_SELECT_ID = EngineSelect.identifier
ENGINE_POLL_ID = EnginePoll.identifier
ENGINE_EPOLL_ID = EngineEPoll.identifier
class TaskLocalEngineSelectTest(TaskLocalMixin, unittest.TestCase):
def setUp(self):
# switch Engine
task_terminate()
self.engine_id_save = DEFAULTS.engine
DEFAULTS.engine = ENGINE_SELECT_ID
# select should be supported anywhere...
self.assertEqual(task_self().info('engine'), ENGINE_SELECT_ID)
# call base class setUp()
TaskLocalMixin.setUp(self)
def tearDown(self):
# call base class tearDown()
TaskLocalMixin.tearDown(self)
# restore Engine
DEFAULTS.engine = self.engine_id_save
task_terminate()
class TaskLocalEnginePollTest(TaskLocalMixin, unittest.TestCase):
def setUp(self):
# switch Engine
task_terminate()
self.engine_id_save = DEFAULTS.engine
DEFAULTS.engine = ENGINE_POLL_ID
if task_self().info('engine') != ENGINE_POLL_ID:
self.skipTest("engine %s not supported on this host"
% ENGINE_POLL_ID)
# call base class setUp()
TaskLocalMixin.setUp(self)
def tearDown(self):
# call base class tearDown()
TaskLocalMixin.tearDown(self)
# restore Engine
DEFAULTS.engine = self.engine_id_save
task_terminate()
# select.epoll is only available with Python 2.6 (if condition to be
# removed once we only support Py2.6+)
if sys.version_info >= (2, 6, 0):
class TaskLocalEngineEPollTest(TaskLocalMixin, unittest.TestCase):
def setUp(self):
# switch Engine
task_terminate()
self.engine_id_save = DEFAULTS.engine
DEFAULTS.engine = ENGINE_EPOLL_ID
if task_self().info('engine') != ENGINE_EPOLL_ID:
self.skipTest("engine %s not supported on this host"
% ENGINE_EPOLL_ID)
# call base class setUp()
TaskLocalMixin.setUp(self)
def tearDown(self):
# call base class tearDown()
TaskLocalMixin.tearDown(self)
# restore Engine
DEFAULTS.engine = self.engine_id_save
task_terminate()
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