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#!/usr/bin/python
#
# Copyright (C) 2010 Google Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA.
"""Script for unittesting the daemon module"""
import unittest
import signal
import os
from ganeti import daemon
import testutils
class TestMainloop(testutils.GanetiTestCase):
"""Test daemon.Mainloop"""
def setUp(self):
testutils.GanetiTestCase.setUp(self)
self.mainloop = daemon.Mainloop()
self.sendsig_events = []
self.onsignal_events = []
def _CancelEvent(self, handle):
self.mainloop.scheduler.cancel(handle)
def _SendSig(self, sig):
self.sendsig_events.append(sig)
os.kill(os.getpid(), sig)
def OnSignal(self, signum):
self.onsignal_events.append(signum)
def testRunAndTermBySched(self):
self.mainloop.scheduler.enter(0.1, 1, self._SendSig, [signal.SIGTERM])
self.mainloop.Run() # terminates by _SendSig being scheduled
self.assertEquals(self.sendsig_events, [signal.SIGTERM])
def testSchedulerCancel(self):
handle = self.mainloop.scheduler.enter(0.1, 1, self._SendSig,
[signal.SIGTERM])
self.mainloop.scheduler.cancel(handle)
self.mainloop.scheduler.enter(0.2, 1, self._SendSig, [signal.SIGCHLD])
self.mainloop.scheduler.enter(0.3, 1, self._SendSig, [signal.SIGTERM])
self.mainloop.Run()
self.assertEquals(self.sendsig_events, [signal.SIGCHLD, signal.SIGTERM])
def testRegisterSignal(self):
self.mainloop.RegisterSignal(self)
self.mainloop.scheduler.enter(0.1, 1, self._SendSig, [signal.SIGCHLD])
handle = self.mainloop.scheduler.enter(0.1, 1, self._SendSig,
[signal.SIGTERM])
self.mainloop.scheduler.cancel(handle)
self.mainloop.scheduler.enter(0.2, 1, self._SendSig, [signal.SIGCHLD])
self.mainloop.scheduler.enter(0.3, 1, self._SendSig, [signal.SIGTERM])
# ...not delievered because they are scheduled after TERM
self.mainloop.scheduler.enter(0.4, 1, self._SendSig, [signal.SIGCHLD])
self.mainloop.scheduler.enter(0.5, 1, self._SendSig, [signal.SIGCHLD])
self.mainloop.Run()
self.assertEquals(self.sendsig_events,
[signal.SIGCHLD, signal.SIGCHLD, signal.SIGTERM])
self.assertEquals(self.onsignal_events, self.sendsig_events)
def testDeferredCancel(self):
self.mainloop.RegisterSignal(self)
self.mainloop.scheduler.enter(0.1, 1, self._SendSig, [signal.SIGCHLD])
handle1 = self.mainloop.scheduler.enter(0.3, 2, self._SendSig,
[signal.SIGCHLD])
handle2 = self.mainloop.scheduler.enter(0.4, 2, self._SendSig,
[signal.SIGCHLD])
self.mainloop.scheduler.enter(0, 1, self._CancelEvent, [handle1])
self.mainloop.scheduler.enter(0, 1, self._CancelEvent, [handle2])
self.mainloop.scheduler.enter(0.5, 1, self._SendSig, [signal.SIGTERM])
self.mainloop.Run()
self.assertEquals(self.sendsig_events, [signal.SIGCHLD, signal.SIGTERM])
self.assertEquals(self.onsignal_events, self.sendsig_events)
if __name__ == "__main__":
testutils.GanetiTestProgram()