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#!/usr/bin/env python
# ClusterShell test suite
# Written by S. Thiell
"""Unit test for ClusterShell common library misusages"""
import sys
import unittest
sys.path.insert(0, '../lib')
from TLib import HOSTNAME
from ClusterShell.Event import EventHandler
from ClusterShell.Worker.Popen import WorkerPopen
from ClusterShell.Worker.Ssh import WorkerSsh
from ClusterShell.Worker.Worker import WorkerError
from ClusterShell.Task import Task, task_self, AlreadyRunningError
class MisusageTest(unittest.TestCase):
def testTaskResumedTwice(self):
"""test library misusage (task_self resumed twice)"""
class ResumeAgainHandler(EventHandler):
def ev_read(self, worker):
worker.task.resume()
task = task_self()
task.shell("/bin/echo OK", handler=ResumeAgainHandler())
self.assertRaises(AlreadyRunningError, task.resume)
def testWorkerNotScheduledLocal(self):
"""test library misusage (local worker not scheduled)"""
task = task_self()
worker = WorkerPopen(command="/bin/hostname")
task.resume()
self.assertRaises(WorkerError, worker.read)
def testWorkerNotScheduledDistant(self):
"""test library misusage (distant worker not scheduled)"""
task = task_self()
worker = WorkerSsh(HOSTNAME, command="/bin/hostname", handler=None, timeout=0)
self.assert_(worker != None)
task.resume()
self.assertRaises(WorkerError, worker.node_buffer, HOSTNAME)
def testTaskScheduleTwice(self):
"""test task worker schedule twice error"""
task = task_self()
self.assert_(task != None)
worker = task.shell("/bin/echo itsme")
self.assertRaises(WorkerError, task.schedule, worker)
task.abort()
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