root / test / ganeti.locking_unittest.py @ d76167a5
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#!/usr/bin/python
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#
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# Copyright (C) 2006, 2007 Google Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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# 0.0510-1301, USA.
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"""Script for unittesting the locking module"""
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import os |
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import unittest |
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import time |
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import Queue |
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import threading |
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from ganeti import locking |
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from ganeti import errors |
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# This is used to test the ssynchronize decorator.
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# Since it's passed as input to a decorator it must be declared as a global.
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_decoratorlock = locking.SharedLock() |
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#: List for looping tests
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ITERATIONS = range(8) |
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def _Repeat(fn): |
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"""Decorator for executing a function many times"""
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def wrapper(*args, **kwargs): |
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for i in ITERATIONS: |
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fn(*args, **kwargs) |
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return wrapper
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class _ThreadedTestCase(unittest.TestCase): |
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"""Test class that supports adding/waiting on threads"""
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def setUp(self): |
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unittest.TestCase.setUp(self)
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self.threads = []
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def _addThread(self, *args, **kwargs): |
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"""Create and remember a new thread"""
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t = threading.Thread(*args, **kwargs) |
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self.threads.append(t)
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t.start() |
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return t
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def _waitThreads(self): |
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"""Wait for all our threads to finish"""
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for t in self.threads: |
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t.join(60)
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self.failIf(t.isAlive())
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self.threads = []
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class TestSingleActionPipeCondition(unittest.TestCase): |
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"""_SingleActionPipeCondition tests"""
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def setUp(self): |
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self.cond = locking._SingleActionPipeCondition()
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def testInitialization(self): |
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self.assert_(self.cond._read_fd is not None) |
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self.assert_(self.cond._write_fd is not None) |
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self.assert_(self.cond._poller is not None) |
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self.assertEqual(self.cond._nwaiters, 0) |
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def testUsageCount(self): |
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self.cond.StartWaiting()
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self.assert_(self.cond._read_fd is not None) |
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self.assert_(self.cond._write_fd is not None) |
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self.assert_(self.cond._poller is not None) |
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self.assertEqual(self.cond._nwaiters, 1) |
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# use again
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self.cond.StartWaiting()
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self.assertEqual(self.cond._nwaiters, 2) |
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# there is more than one user
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self.assert_(not self.cond.DoneWaiting()) |
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self.assert_(self.cond._read_fd is not None) |
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self.assert_(self.cond._write_fd is not None) |
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self.assert_(self.cond._poller is not None) |
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self.assertEqual(self.cond._nwaiters, 1) |
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self.assert_(self.cond.DoneWaiting()) |
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self.assertEqual(self.cond._nwaiters, 0) |
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self.assert_(self.cond._read_fd is None) |
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self.assert_(self.cond._write_fd is None) |
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self.assert_(self.cond._poller is None) |
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def testNotify(self): |
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wait1 = self.cond.StartWaiting()
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wait2 = self.cond.StartWaiting()
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self.assert_(self.cond._read_fd is not None) |
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self.assert_(self.cond._write_fd is not None) |
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self.assert_(self.cond._poller is not None) |
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self.cond.notifyAll()
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self.assert_(self.cond._read_fd is not None) |
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self.assert_(self.cond._write_fd is None) |
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self.assert_(self.cond._poller is not None) |
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self.assert_(not self.cond.DoneWaiting()) |
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self.assert_(self.cond._read_fd is not None) |
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self.assert_(self.cond._write_fd is None) |
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self.assert_(self.cond._poller is not None) |
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self.assert_(self.cond.DoneWaiting()) |
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self.assert_(self.cond._read_fd is None) |
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self.assert_(self.cond._write_fd is None) |
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self.assert_(self.cond._poller is None) |
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def testReusage(self): |
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self.cond.StartWaiting()
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self.assert_(self.cond._read_fd is not None) |
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self.assert_(self.cond._write_fd is not None) |
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self.assert_(self.cond._poller is not None) |
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self.assert_(self.cond.DoneWaiting()) |
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self.assertRaises(RuntimeError, self.cond.StartWaiting) |
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self.assert_(self.cond._read_fd is None) |
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self.assert_(self.cond._write_fd is None) |
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self.assert_(self.cond._poller is None) |
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def testNotifyTwice(self): |
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self.cond.notifyAll()
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self.assertRaises(RuntimeError, self.cond.notifyAll) |
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class TestSharedLock(_ThreadedTestCase): |
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"""SharedLock tests"""
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def setUp(self): |
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_ThreadedTestCase.setUp(self)
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self.sl = locking.SharedLock()
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# helper threads use the 'done' queue to tell the master they finished.
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self.done = Queue.Queue(0) |
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def testSequenceAndOwnership(self): |
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self.assert_(not self.sl._is_owned()) |
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self.sl.acquire(shared=1) |
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self.assert_(self.sl._is_owned()) |
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self.assert_(self.sl._is_owned(shared=1)) |
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self.assert_(not self.sl._is_owned(shared=0)) |
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self.sl.release()
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self.assert_(not self.sl._is_owned()) |
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self.sl.acquire()
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self.assert_(self.sl._is_owned()) |
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self.assert_(not self.sl._is_owned(shared=1)) |
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self.assert_(self.sl._is_owned(shared=0)) |
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self.sl.release()
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self.assert_(not self.sl._is_owned()) |
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self.sl.acquire(shared=1) |
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self.assert_(self.sl._is_owned()) |
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self.assert_(self.sl._is_owned(shared=1)) |
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self.assert_(not self.sl._is_owned(shared=0)) |
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self.sl.release()
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self.assert_(not self.sl._is_owned()) |
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def testBooleanValue(self): |
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# semaphores are supposed to return a true value on a successful acquire
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self.assert_(self.sl.acquire(shared=1)) |
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self.sl.release()
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self.assert_(self.sl.acquire()) |
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self.sl.release()
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def testDoubleLockingStoE(self): |
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self.sl.acquire(shared=1) |
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self.assertRaises(AssertionError, self.sl.acquire) |
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def testDoubleLockingEtoS(self): |
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self.sl.acquire()
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self.assertRaises(AssertionError, self.sl.acquire, shared=1) |
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def testDoubleLockingStoS(self): |
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self.sl.acquire(shared=1) |
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self.assertRaises(AssertionError, self.sl.acquire, shared=1) |
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def testDoubleLockingEtoE(self): |
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self.sl.acquire()
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self.assertRaises(AssertionError, self.sl.acquire) |
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# helper functions: called in a separate thread they acquire the lock, send
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# their identifier on the done queue, then release it.
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def _doItSharer(self): |
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try:
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self.sl.acquire(shared=1) |
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self.done.put('SHR') |
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self.sl.release()
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except errors.LockError:
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self.done.put('ERR') |
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def _doItExclusive(self): |
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try:
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self.sl.acquire()
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self.done.put('EXC') |
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self.sl.release()
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except errors.LockError:
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self.done.put('ERR') |
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def _doItDelete(self): |
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try:
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self.sl.delete()
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self.done.put('DEL') |
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except errors.LockError:
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self.done.put('ERR') |
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def testSharersCanCoexist(self): |
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self.sl.acquire(shared=1) |
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threading.Thread(target=self._doItSharer).start()
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self.assert_(self.done.get(True, 1)) |
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self.sl.release()
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@_Repeat
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def testExclusiveBlocksExclusive(self): |
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self.sl.acquire()
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self._addThread(target=self._doItExclusive) |
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self.assertRaises(Queue.Empty, self.done.get_nowait) |
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self.sl.release()
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self._waitThreads()
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self.failUnlessEqual(self.done.get_nowait(), 'EXC') |
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@_Repeat
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def testExclusiveBlocksDelete(self): |
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self.sl.acquire()
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self._addThread(target=self._doItDelete) |
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self.assertRaises(Queue.Empty, self.done.get_nowait) |
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self.sl.release()
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self._waitThreads()
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self.failUnlessEqual(self.done.get_nowait(), 'DEL') |
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self.sl = locking.SharedLock()
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@_Repeat
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def testExclusiveBlocksSharer(self): |
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self.sl.acquire()
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self._addThread(target=self._doItSharer) |
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self.assertRaises(Queue.Empty, self.done.get_nowait) |
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self.sl.release()
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self._waitThreads()
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self.failUnlessEqual(self.done.get_nowait(), 'SHR') |
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@_Repeat
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def testSharerBlocksExclusive(self): |
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self.sl.acquire(shared=1) |
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self._addThread(target=self._doItExclusive) |
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self.assertRaises(Queue.Empty, self.done.get_nowait) |
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self.sl.release()
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self._waitThreads()
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self.failUnlessEqual(self.done.get_nowait(), 'EXC') |
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@_Repeat
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def testSharerBlocksDelete(self): |
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self.sl.acquire(shared=1) |
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self._addThread(target=self._doItDelete) |
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self.assertRaises(Queue.Empty, self.done.get_nowait) |
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self.sl.release()
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self._waitThreads()
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self.failUnlessEqual(self.done.get_nowait(), 'DEL') |
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self.sl = locking.SharedLock()
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@_Repeat
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def testWaitingExclusiveBlocksSharer(self): |
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"""SKIPPED testWaitingExclusiveBlockSharer"""
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return
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self.sl.acquire(shared=1) |
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# the lock is acquired in shared mode...
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self._addThread(target=self._doItExclusive) |
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# ...but now an exclusive is waiting...
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self._addThread(target=self._doItSharer) |
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# ...so the sharer should be blocked as well
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self.assertRaises(Queue.Empty, self.done.get_nowait) |
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self.sl.release()
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self._waitThreads()
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# The exclusive passed before
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self.failUnlessEqual(self.done.get_nowait(), 'EXC') |
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self.failUnlessEqual(self.done.get_nowait(), 'SHR') |
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@_Repeat
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def testWaitingSharerBlocksExclusive(self): |
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"""SKIPPED testWaitingSharerBlocksExclusive"""
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return
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self.sl.acquire()
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# the lock is acquired in exclusive mode...
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self._addThread(target=self._doItSharer) |
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# ...but now a sharer is waiting...
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self._addThread(target=self._doItExclusive) |
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# ...the exclusive is waiting too...
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self.assertRaises(Queue.Empty, self.done.get_nowait) |
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self.sl.release()
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self._waitThreads()
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# The sharer passed before
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self.assertEqual(self.done.get_nowait(), 'SHR') |
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self.assertEqual(self.done.get_nowait(), 'EXC') |
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def testDelete(self): |
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self.sl.delete()
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self.assertRaises(errors.LockError, self.sl.acquire) |
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self.assertRaises(errors.LockError, self.sl.acquire, shared=1) |
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self.assertRaises(errors.LockError, self.sl.delete) |
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def testNoDeleteIfSharer(self): |
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self.sl.acquire(shared=1) |
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self.assertRaises(AssertionError, self.sl.delete) |
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@_Repeat
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def testDeletePendingSharersExclusiveDelete(self): |
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self.sl.acquire()
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self._addThread(target=self._doItSharer) |
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self._addThread(target=self._doItSharer) |
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self._addThread(target=self._doItExclusive) |
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self._addThread(target=self._doItDelete) |
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self.sl.delete()
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self._waitThreads()
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# The threads who were pending return ERR
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for _ in range(4): |
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self.assertEqual(self.done.get_nowait(), 'ERR') |
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self.sl = locking.SharedLock()
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@_Repeat
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def testDeletePendingDeleteExclusiveSharers(self): |
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self.sl.acquire()
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self._addThread(target=self._doItDelete) |
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self._addThread(target=self._doItExclusive) |
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self._addThread(target=self._doItSharer) |
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self._addThread(target=self._doItSharer) |
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self.sl.delete()
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self._waitThreads()
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# The two threads who were pending return both ERR
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self.assertEqual(self.done.get_nowait(), 'ERR') |
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self.assertEqual(self.done.get_nowait(), 'ERR') |
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self.assertEqual(self.done.get_nowait(), 'ERR') |
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self.assertEqual(self.done.get_nowait(), 'ERR') |
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self.sl = locking.SharedLock()
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@_Repeat
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def testExclusiveAcquireTimeout(self): |
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def _LockExclusive(wait): |
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self.sl.acquire(shared=0) |
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self.done.put("A: start sleep") |
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time.sleep(wait) |
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self.done.put("A: end sleep") |
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self.sl.release()
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for shared in [0, 1]: |
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# Start thread to hold lock for 20 ms
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self._addThread(target=_LockExclusive, args=(20.0 / 1000.0, )) |
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# Wait up to 100 ms to get lock
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self.failUnless(self.sl.acquire(shared=shared, timeout=0.1)) |
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self.done.put("got 2nd") |
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self.sl.release()
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self._waitThreads()
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self.assertEqual(self.done.get_nowait(), "A: start sleep") |
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self.assertEqual(self.done.get_nowait(), "A: end sleep") |
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self.assertEqual(self.done.get_nowait(), "got 2nd") |
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self.assertRaises(Queue.Empty, self.done.get_nowait) |
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@_Repeat
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def testAcquireExpiringTimeout(self): |
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def _AcquireWithTimeout(shared, timeout): |
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if not self.sl.acquire(shared=shared, timeout=timeout): |
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self.done.put("timeout") |
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for shared in [0, 1]: |
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# Lock exclusively
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self.sl.acquire()
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# Start shared acquires with timeout between 0 and 20 ms
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for i in xrange(11): |
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self._addThread(target=_AcquireWithTimeout,
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args=(shared, i * 2.0 / 1000.0)) |
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# Wait for threads to finish (makes sure the acquire timeout expires
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# before releasing the lock)
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self._waitThreads()
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# Release lock
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self.sl.release()
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for _ in xrange(11): |
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self.assertEqual(self.done.get_nowait(), "timeout") |
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self.assertRaises(Queue.Empty, self.done.get_nowait) |
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@_Repeat
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def testSharedSkipExclusiveAcquires(self): |
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# Tests whether shared acquires jump in front of exclusive acquires in the
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# queue.
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# Get exclusive lock while we fill the queue
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self.sl.acquire()
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def _Acquire(shared, name): |
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if not self.sl.acquire(shared=shared): |
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return
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self.done.put(name)
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self.sl.release()
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# Start shared acquires
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for _ in xrange(5): |
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self._addThread(target=_Acquire, args=(1, "shared A")) |
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# Start exclusive acquires
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for _ in xrange(3): |
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self._addThread(target=_Acquire, args=(0, "exclusive B")) |
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# More shared acquires
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for _ in xrange(5): |
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self._addThread(target=_Acquire, args=(1, "shared C")) |
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# More exclusive acquires
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for _ in xrange(3): |
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self._addThread(target=_Acquire, args=(0, "exclusive D")) |
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# Expect 6 pending exclusive acquires and 1 for all shared acquires
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# together
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self.assertEqual(self.sl._count_pending(), 7) |
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# Release exclusive lock and wait
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self.sl.release()
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self._waitThreads()
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# Check sequence
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for _ in xrange(10): |
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# Shared locks aren't guaranteed to be notified in order, but they'll be
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# first
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self.assert_(self.done.get_nowait() in ("shared A", "shared C")) |
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for _ in xrange(3): |
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self.assertEqual(self.done.get_nowait(), "exclusive B") |
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for _ in xrange(3): |
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self.assertEqual(self.done.get_nowait(), "exclusive D") |
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self.assertRaises(Queue.Empty, self.done.get_nowait) |
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@_Repeat
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def testMixedAcquireTimeout(self): |
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sync = threading.Condition() |
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def _AcquireShared(ev): |
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if not self.sl.acquire(shared=1, timeout=None): |
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return
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self.done.put("shared") |
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# Notify main thread
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ev.set() |
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# Wait for notification
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sync.acquire() |
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try:
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sync.wait() |
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finally:
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sync.release() |
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# Release lock
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self.sl.release()
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acquires = [] |
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for _ in xrange(3): |
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ev = threading.Event() |
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self._addThread(target=_AcquireShared, args=(ev, ))
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acquires.append(ev) |
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# Wait for all acquires to finish
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for i in acquires: |
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i.wait() |
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self.assertEqual(self.sl._count_pending(), 0) |
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# Try to get exclusive lock
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self.failIf(self.sl.acquire(shared=0, timeout=0.02)) |
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# Acquire exclusive without timeout
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exclsync = threading.Condition() |
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exclev = threading.Event() |
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def _AcquireExclusive(): |
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if not self.sl.acquire(shared=0): |
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return
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self.done.put("exclusive") |
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# Notify main thread
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exclev.set() |
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|
516 |
exclsync.acquire() |
517 |
try:
|
518 |
exclsync.wait() |
519 |
finally:
|
520 |
exclsync.release() |
521 |
|
522 |
self.sl.release()
|
523 |
|
524 |
self._addThread(target=_AcquireExclusive)
|
525 |
|
526 |
# Try to get exclusive lock
|
527 |
self.failIf(self.sl.acquire(shared=0, timeout=0.02)) |
528 |
|
529 |
# Make all shared holders release their locks
|
530 |
sync.acquire() |
531 |
try:
|
532 |
sync.notifyAll() |
533 |
finally:
|
534 |
sync.release() |
535 |
|
536 |
# Wait for exclusive acquire to succeed
|
537 |
exclev.wait() |
538 |
|
539 |
self.assertEqual(self.sl._count_pending(), 0) |
540 |
|
541 |
# Try to get exclusive lock
|
542 |
self.failIf(self.sl.acquire(shared=0, timeout=0.02)) |
543 |
|
544 |
def _AcquireSharedSimple(): |
545 |
if self.sl.acquire(shared=1, timeout=None): |
546 |
self.done.put("shared2") |
547 |
self.sl.release()
|
548 |
|
549 |
for _ in xrange(10): |
550 |
self._addThread(target=_AcquireSharedSimple)
|
551 |
|
552 |
# Tell exclusive lock to release
|
553 |
exclsync.acquire() |
554 |
try:
|
555 |
exclsync.notifyAll() |
556 |
finally:
|
557 |
exclsync.release() |
558 |
|
559 |
# Wait for everything to finish
|
560 |
self._waitThreads()
|
561 |
|
562 |
self.assertEqual(self.sl._count_pending(), 0) |
563 |
|
564 |
# Check sequence
|
565 |
for _ in xrange(3): |
566 |
self.assertEqual(self.done.get_nowait(), "shared") |
567 |
|
568 |
self.assertEqual(self.done.get_nowait(), "exclusive") |
569 |
|
570 |
for _ in xrange(10): |
571 |
self.assertEqual(self.done.get_nowait(), "shared2") |
572 |
|
573 |
self.assertRaises(Queue.Empty, self.done.get_nowait) |
574 |
|
575 |
|
576 |
class TestSSynchronizedDecorator(_ThreadedTestCase): |
577 |
"""Shared Lock Synchronized decorator test"""
|
578 |
|
579 |
def setUp(self): |
580 |
_ThreadedTestCase.setUp(self)
|
581 |
# helper threads use the 'done' queue to tell the master they finished.
|
582 |
self.done = Queue.Queue(0) |
583 |
|
584 |
@locking.ssynchronized(_decoratorlock)
|
585 |
def _doItExclusive(self): |
586 |
self.assert_(_decoratorlock._is_owned())
|
587 |
self.done.put('EXC') |
588 |
|
589 |
@locking.ssynchronized(_decoratorlock, shared=1) |
590 |
def _doItSharer(self): |
591 |
self.assert_(_decoratorlock._is_owned(shared=1)) |
592 |
self.done.put('SHR') |
593 |
|
594 |
def testDecoratedFunctions(self): |
595 |
self._doItExclusive()
|
596 |
self.assert_(not _decoratorlock._is_owned()) |
597 |
self._doItSharer()
|
598 |
self.assert_(not _decoratorlock._is_owned()) |
599 |
|
600 |
def testSharersCanCoexist(self): |
601 |
_decoratorlock.acquire(shared=1)
|
602 |
threading.Thread(target=self._doItSharer).start()
|
603 |
self.assert_(self.done.get(True, 1)) |
604 |
_decoratorlock.release() |
605 |
|
606 |
@_Repeat
|
607 |
def testExclusiveBlocksExclusive(self): |
608 |
_decoratorlock.acquire() |
609 |
self._addThread(target=self._doItExclusive) |
610 |
# give it a bit of time to check that it's not actually doing anything
|
611 |
self.assertRaises(Queue.Empty, self.done.get_nowait) |
612 |
_decoratorlock.release() |
613 |
self._waitThreads()
|
614 |
self.failUnlessEqual(self.done.get_nowait(), 'EXC') |
615 |
|
616 |
@_Repeat
|
617 |
def testExclusiveBlocksSharer(self): |
618 |
_decoratorlock.acquire() |
619 |
self._addThread(target=self._doItSharer) |
620 |
self.assertRaises(Queue.Empty, self.done.get_nowait) |
621 |
_decoratorlock.release() |
622 |
self._waitThreads()
|
623 |
self.failUnlessEqual(self.done.get_nowait(), 'SHR') |
624 |
|
625 |
@_Repeat
|
626 |
def testSharerBlocksExclusive(self): |
627 |
_decoratorlock.acquire(shared=1)
|
628 |
self._addThread(target=self._doItExclusive) |
629 |
self.assertRaises(Queue.Empty, self.done.get_nowait) |
630 |
_decoratorlock.release() |
631 |
self._waitThreads()
|
632 |
self.failUnlessEqual(self.done.get_nowait(), 'EXC') |
633 |
|
634 |
|
635 |
class TestLockSet(_ThreadedTestCase): |
636 |
"""LockSet tests"""
|
637 |
|
638 |
def setUp(self): |
639 |
_ThreadedTestCase.setUp(self)
|
640 |
self._setUpLS()
|
641 |
# helper threads use the 'done' queue to tell the master they finished.
|
642 |
self.done = Queue.Queue(0) |
643 |
|
644 |
def _setUpLS(self): |
645 |
"""Helper to (re)initialize the lock set"""
|
646 |
self.resources = ['one', 'two', 'three'] |
647 |
self.ls = locking.LockSet(members=self.resources) |
648 |
|
649 |
def testResources(self): |
650 |
self.assertEquals(self.ls._names(), set(self.resources)) |
651 |
newls = locking.LockSet() |
652 |
self.assertEquals(newls._names(), set()) |
653 |
|
654 |
def testAcquireRelease(self): |
655 |
self.assert_(self.ls.acquire('one')) |
656 |
self.assertEquals(self.ls._list_owned(), set(['one'])) |
657 |
self.ls.release()
|
658 |
self.assertEquals(self.ls._list_owned(), set()) |
659 |
self.assertEquals(self.ls.acquire(['one']), set(['one'])) |
660 |
self.assertEquals(self.ls._list_owned(), set(['one'])) |
661 |
self.ls.release()
|
662 |
self.assertEquals(self.ls._list_owned(), set()) |
663 |
self.ls.acquire(['one', 'two', 'three']) |
664 |
self.assertEquals(self.ls._list_owned(), set(['one', 'two', 'three'])) |
665 |
self.ls.release('one') |
666 |
self.assertEquals(self.ls._list_owned(), set(['two', 'three'])) |
667 |
self.ls.release(['three']) |
668 |
self.assertEquals(self.ls._list_owned(), set(['two'])) |
669 |
self.ls.release()
|
670 |
self.assertEquals(self.ls._list_owned(), set()) |
671 |
self.assertEquals(self.ls.acquire(['one', 'three']), set(['one', 'three'])) |
672 |
self.assertEquals(self.ls._list_owned(), set(['one', 'three'])) |
673 |
self.ls.release()
|
674 |
self.assertEquals(self.ls._list_owned(), set()) |
675 |
|
676 |
def testNoDoubleAcquire(self): |
677 |
self.ls.acquire('one') |
678 |
self.assertRaises(AssertionError, self.ls.acquire, 'one') |
679 |
self.assertRaises(AssertionError, self.ls.acquire, ['two']) |
680 |
self.assertRaises(AssertionError, self.ls.acquire, ['two', 'three']) |
681 |
self.ls.release()
|
682 |
self.ls.acquire(['one', 'three']) |
683 |
self.ls.release('one') |
684 |
self.assertRaises(AssertionError, self.ls.acquire, ['two']) |
685 |
self.ls.release('three') |
686 |
|
687 |
def testNoWrongRelease(self): |
688 |
self.assertRaises(AssertionError, self.ls.release) |
689 |
self.ls.acquire('one') |
690 |
self.assertRaises(AssertionError, self.ls.release, 'two') |
691 |
|
692 |
def testAddRemove(self): |
693 |
self.ls.add('four') |
694 |
self.assertEquals(self.ls._list_owned(), set()) |
695 |
self.assert_('four' in self.ls._names()) |
696 |
self.ls.add(['five', 'six', 'seven'], acquired=1) |
697 |
self.assert_('five' in self.ls._names()) |
698 |
self.assert_('six' in self.ls._names()) |
699 |
self.assert_('seven' in self.ls._names()) |
700 |
self.assertEquals(self.ls._list_owned(), set(['five', 'six', 'seven'])) |
701 |
self.assertEquals(self.ls.remove(['five', 'six']), ['five', 'six']) |
702 |
self.assert_('five' not in self.ls._names()) |
703 |
self.assert_('six' not in self.ls._names()) |
704 |
self.assertEquals(self.ls._list_owned(), set(['seven'])) |
705 |
self.assertRaises(AssertionError, self.ls.add, 'eight', acquired=1) |
706 |
self.ls.remove('seven') |
707 |
self.assert_('seven' not in self.ls._names()) |
708 |
self.assertEquals(self.ls._list_owned(), set([])) |
709 |
self.ls.acquire(None, shared=1) |
710 |
self.assertRaises(AssertionError, self.ls.add, 'eight') |
711 |
self.ls.release()
|
712 |
self.ls.acquire(None) |
713 |
self.ls.add('eight', acquired=1) |
714 |
self.assert_('eight' in self.ls._names()) |
715 |
self.assert_('eight' in self.ls._list_owned()) |
716 |
self.ls.add('nine') |
717 |
self.assert_('nine' in self.ls._names()) |
718 |
self.assert_('nine' not in self.ls._list_owned()) |
719 |
self.ls.release()
|
720 |
self.ls.remove(['two']) |
721 |
self.assert_('two' not in self.ls._names()) |
722 |
self.ls.acquire('three') |
723 |
self.assertEquals(self.ls.remove(['three']), ['three']) |
724 |
self.assert_('three' not in self.ls._names()) |
725 |
self.assertEquals(self.ls.remove('three'), []) |
726 |
self.assertEquals(self.ls.remove(['one', 'three', 'six']), ['one']) |
727 |
self.assert_('one' not in self.ls._names()) |
728 |
|
729 |
def testRemoveNonBlocking(self): |
730 |
self.assertRaises(NotImplementedError, self.ls.remove, 'one', blocking=0) |
731 |
self.ls.acquire('one') |
732 |
self.assertEquals(self.ls.remove('one', blocking=0), ['one']) |
733 |
self.ls.acquire(['two', 'three']) |
734 |
self.assertEquals(self.ls.remove(['two', 'three'], blocking=0), |
735 |
['two', 'three']) |
736 |
|
737 |
def testNoDoubleAdd(self): |
738 |
self.assertRaises(errors.LockError, self.ls.add, 'two') |
739 |
self.ls.add('four') |
740 |
self.assertRaises(errors.LockError, self.ls.add, 'four') |
741 |
|
742 |
def testNoWrongRemoves(self): |
743 |
self.ls.acquire(['one', 'three'], shared=1) |
744 |
# Cannot remove 'two' while holding something which is not a superset
|
745 |
self.assertRaises(AssertionError, self.ls.remove, 'two') |
746 |
# Cannot remove 'three' as we are sharing it
|
747 |
self.assertRaises(AssertionError, self.ls.remove, 'three') |
748 |
|
749 |
def testAcquireSetLock(self): |
750 |
# acquire the set-lock exclusively
|
751 |
self.assertEquals(self.ls.acquire(None), set(['one', 'two', 'three'])) |
752 |
self.assertEquals(self.ls._list_owned(), set(['one', 'two', 'three'])) |
753 |
self.assertEquals(self.ls._is_owned(), True) |
754 |
self.assertEquals(self.ls._names(), set(['one', 'two', 'three'])) |
755 |
# I can still add/remove elements...
|
756 |
self.assertEquals(self.ls.remove(['two', 'three']), ['two', 'three']) |
757 |
self.assert_(self.ls.add('six')) |
758 |
self.ls.release()
|
759 |
# share the set-lock
|
760 |
self.assertEquals(self.ls.acquire(None, shared=1), set(['one', 'six'])) |
761 |
# adding new elements is not possible
|
762 |
self.assertRaises(AssertionError, self.ls.add, 'five') |
763 |
self.ls.release()
|
764 |
|
765 |
def testAcquireWithRepetitions(self): |
766 |
self.assertEquals(self.ls.acquire(['two', 'two', 'three'], shared=1), |
767 |
set(['two', 'two', 'three'])) |
768 |
self.ls.release(['two', 'two']) |
769 |
self.assertEquals(self.ls._list_owned(), set(['three'])) |
770 |
|
771 |
def testEmptyAcquire(self): |
772 |
# Acquire an empty list of locks...
|
773 |
self.assertEquals(self.ls.acquire([]), set()) |
774 |
self.assertEquals(self.ls._list_owned(), set()) |
775 |
# New locks can still be addded
|
776 |
self.assert_(self.ls.add('six')) |
777 |
# "re-acquiring" is not an issue, since we had really acquired nothing
|
778 |
self.assertEquals(self.ls.acquire([], shared=1), set()) |
779 |
self.assertEquals(self.ls._list_owned(), set()) |
780 |
# We haven't really acquired anything, so we cannot release
|
781 |
self.assertRaises(AssertionError, self.ls.release) |
782 |
|
783 |
def _doLockSet(self, names, shared): |
784 |
try:
|
785 |
self.ls.acquire(names, shared=shared)
|
786 |
self.done.put('DONE') |
787 |
self.ls.release()
|
788 |
except errors.LockError:
|
789 |
self.done.put('ERR') |
790 |
|
791 |
def _doAddSet(self, names): |
792 |
try:
|
793 |
self.ls.add(names, acquired=1) |
794 |
self.done.put('DONE') |
795 |
self.ls.release()
|
796 |
except errors.LockError:
|
797 |
self.done.put('ERR') |
798 |
|
799 |
def _doRemoveSet(self, names): |
800 |
self.done.put(self.ls.remove(names)) |
801 |
|
802 |
@_Repeat
|
803 |
def testConcurrentSharedAcquire(self): |
804 |
self.ls.acquire(['one', 'two'], shared=1) |
805 |
self._addThread(target=self._doLockSet, args=(['one', 'two'], 1)) |
806 |
self._waitThreads()
|
807 |
self.assertEqual(self.done.get_nowait(), 'DONE') |
808 |
self._addThread(target=self._doLockSet, args=(['one', 'two', 'three'], 1)) |
809 |
self._waitThreads()
|
810 |
self.assertEqual(self.done.get_nowait(), 'DONE') |
811 |
self._addThread(target=self._doLockSet, args=('three', 1)) |
812 |
self._waitThreads()
|
813 |
self.assertEqual(self.done.get_nowait(), 'DONE') |
814 |
self._addThread(target=self._doLockSet, args=(['one', 'two'], 0)) |
815 |
self._addThread(target=self._doLockSet, args=(['two', 'three'], 0)) |
816 |
self.assertRaises(Queue.Empty, self.done.get_nowait) |
817 |
self.ls.release()
|
818 |
self._waitThreads()
|
819 |
self.assertEqual(self.done.get_nowait(), 'DONE') |
820 |
self.assertEqual(self.done.get_nowait(), 'DONE') |
821 |
|
822 |
@_Repeat
|
823 |
def testConcurrentExclusiveAcquire(self): |
824 |
self.ls.acquire(['one', 'two']) |
825 |
self._addThread(target=self._doLockSet, args=('three', 1)) |
826 |
self._waitThreads()
|
827 |
self.assertEqual(self.done.get_nowait(), 'DONE') |
828 |
self._addThread(target=self._doLockSet, args=('three', 0)) |
829 |
self._waitThreads()
|
830 |
self.assertEqual(self.done.get_nowait(), 'DONE') |
831 |
self.assertRaises(Queue.Empty, self.done.get_nowait) |
832 |
self._addThread(target=self._doLockSet, args=(['one', 'two'], 0)) |
833 |
self._addThread(target=self._doLockSet, args=(['one', 'two'], 1)) |
834 |
self._addThread(target=self._doLockSet, args=('one', 0)) |
835 |
self._addThread(target=self._doLockSet, args=('one', 1)) |
836 |
self._addThread(target=self._doLockSet, args=(['two', 'three'], 0)) |
837 |
self._addThread(target=self._doLockSet, args=(['two', 'three'], 1)) |
838 |
self.assertRaises(Queue.Empty, self.done.get_nowait) |
839 |
self.ls.release()
|
840 |
self._waitThreads()
|
841 |
for _ in range(6): |
842 |
self.failUnlessEqual(self.done.get_nowait(), 'DONE') |
843 |
|
844 |
@_Repeat
|
845 |
def testConcurrentRemove(self): |
846 |
self.ls.add('four') |
847 |
self.ls.acquire(['one', 'two', 'four']) |
848 |
self._addThread(target=self._doLockSet, args=(['one', 'four'], 0)) |
849 |
self._addThread(target=self._doLockSet, args=(['one', 'four'], 1)) |
850 |
self._addThread(target=self._doLockSet, args=(['one', 'two'], 0)) |
851 |
self._addThread(target=self._doLockSet, args=(['one', 'two'], 1)) |
852 |
self.assertRaises(Queue.Empty, self.done.get_nowait) |
853 |
self.ls.remove('one') |
854 |
self.ls.release()
|
855 |
self._waitThreads()
|
856 |
for i in range(4): |
857 |
self.failUnlessEqual(self.done.get_nowait(), 'ERR') |
858 |
self.ls.add(['five', 'six'], acquired=1) |
859 |
self._addThread(target=self._doLockSet, args=(['three', 'six'], 1)) |
860 |
self._addThread(target=self._doLockSet, args=(['three', 'six'], 0)) |
861 |
self._addThread(target=self._doLockSet, args=(['four', 'six'], 1)) |
862 |
self._addThread(target=self._doLockSet, args=(['four', 'six'], 0)) |
863 |
self.ls.remove('five') |
864 |
self.ls.release()
|
865 |
self._waitThreads()
|
866 |
for i in range(4): |
867 |
self.failUnlessEqual(self.done.get_nowait(), 'DONE') |
868 |
self.ls.acquire(['three', 'four']) |
869 |
self._addThread(target=self._doRemoveSet, args=(['four', 'six'], )) |
870 |
self.assertRaises(Queue.Empty, self.done.get_nowait) |
871 |
self.ls.remove('four') |
872 |
self._waitThreads()
|
873 |
self.assertEqual(self.done.get_nowait(), ['six']) |
874 |
self._addThread(target=self._doRemoveSet, args=(['two'])) |
875 |
self._waitThreads()
|
876 |
self.assertEqual(self.done.get_nowait(), ['two']) |
877 |
self.ls.release()
|
878 |
# reset lockset
|
879 |
self._setUpLS()
|
880 |
|
881 |
@_Repeat
|
882 |
def testConcurrentSharedSetLock(self): |
883 |
# share the set-lock...
|
884 |
self.ls.acquire(None, shared=1) |
885 |
# ...another thread can share it too
|
886 |
self._addThread(target=self._doLockSet, args=(None, 1)) |
887 |
self._waitThreads()
|
888 |
self.assertEqual(self.done.get_nowait(), 'DONE') |
889 |
# ...or just share some elements
|
890 |
self._addThread(target=self._doLockSet, args=(['one', 'three'], 1)) |
891 |
self._waitThreads()
|
892 |
self.assertEqual(self.done.get_nowait(), 'DONE') |
893 |
# ...but not add new ones or remove any
|
894 |
t = self._addThread(target=self._doAddSet, args=(['nine'])) |
895 |
self._addThread(target=self._doRemoveSet, args=(['two'], )) |
896 |
self.assertRaises(Queue.Empty, self.done.get_nowait) |
897 |
# this just releases the set-lock
|
898 |
self.ls.release([])
|
899 |
t.join(60)
|
900 |
self.assertEqual(self.done.get_nowait(), 'DONE') |
901 |
# release the lock on the actual elements so remove() can proceed too
|
902 |
self.ls.release()
|
903 |
self._waitThreads()
|
904 |
self.failUnlessEqual(self.done.get_nowait(), ['two']) |
905 |
# reset lockset
|
906 |
self._setUpLS()
|
907 |
|
908 |
@_Repeat
|
909 |
def testConcurrentExclusiveSetLock(self): |
910 |
# acquire the set-lock...
|
911 |
self.ls.acquire(None, shared=0) |
912 |
# ...no one can do anything else
|
913 |
self._addThread(target=self._doLockSet, args=(None, 1)) |
914 |
self._addThread(target=self._doLockSet, args=(None, 0)) |
915 |
self._addThread(target=self._doLockSet, args=(['three'], 0)) |
916 |
self._addThread(target=self._doLockSet, args=(['two'], 1)) |
917 |
self._addThread(target=self._doAddSet, args=(['nine'])) |
918 |
self.assertRaises(Queue.Empty, self.done.get_nowait) |
919 |
self.ls.release()
|
920 |
self._waitThreads()
|
921 |
for _ in range(5): |
922 |
self.assertEqual(self.done.get(True, 1), 'DONE') |
923 |
# cleanup
|
924 |
self._setUpLS()
|
925 |
|
926 |
@_Repeat
|
927 |
def testConcurrentSetLockAdd(self): |
928 |
self.ls.acquire('one') |
929 |
# Another thread wants the whole SetLock
|
930 |
self._addThread(target=self._doLockSet, args=(None, 0)) |
931 |
self._addThread(target=self._doLockSet, args=(None, 1)) |
932 |
self.assertRaises(Queue.Empty, self.done.get_nowait) |
933 |
self.assertRaises(AssertionError, self.ls.add, 'four') |
934 |
self.ls.release()
|
935 |
self._waitThreads()
|
936 |
self.assertEqual(self.done.get_nowait(), 'DONE') |
937 |
self.assertEqual(self.done.get_nowait(), 'DONE') |
938 |
self.ls.acquire(None) |
939 |
self._addThread(target=self._doLockSet, args=(None, 0)) |
940 |
self._addThread(target=self._doLockSet, args=(None, 1)) |
941 |
self.assertRaises(Queue.Empty, self.done.get_nowait) |
942 |
self.ls.add('four') |
943 |
self.ls.add('five', acquired=1) |
944 |
self.ls.add('six', acquired=1, shared=1) |
945 |
self.assertEquals(self.ls._list_owned(), |
946 |
set(['one', 'two', 'three', 'five', 'six'])) |
947 |
self.assertEquals(self.ls._is_owned(), True) |
948 |
self.assertEquals(self.ls._names(), |
949 |
set(['one', 'two', 'three', 'four', 'five', 'six'])) |
950 |
self.ls.release()
|
951 |
self._waitThreads()
|
952 |
self.assertEqual(self.done.get_nowait(), 'DONE') |
953 |
self.assertEqual(self.done.get_nowait(), 'DONE') |
954 |
self._setUpLS()
|
955 |
|
956 |
@_Repeat
|
957 |
def testEmptyLockSet(self): |
958 |
# get the set-lock
|
959 |
self.assertEqual(self.ls.acquire(None), set(['one', 'two', 'three'])) |
960 |
# now empty it...
|
961 |
self.ls.remove(['one', 'two', 'three']) |
962 |
# and adds/locks by another thread still wait
|
963 |
self._addThread(target=self._doAddSet, args=(['nine'])) |
964 |
self._addThread(target=self._doLockSet, args=(None, 1)) |
965 |
self._addThread(target=self._doLockSet, args=(None, 0)) |
966 |
self.assertRaises(Queue.Empty, self.done.get_nowait) |
967 |
self.ls.release()
|
968 |
self._waitThreads()
|
969 |
for _ in range(3): |
970 |
self.assertEqual(self.done.get_nowait(), 'DONE') |
971 |
# empty it again...
|
972 |
self.assertEqual(self.ls.remove(['nine']), ['nine']) |
973 |
# now share it...
|
974 |
self.assertEqual(self.ls.acquire(None, shared=1), set()) |
975 |
# other sharers can go, adds still wait
|
976 |
self._addThread(target=self._doLockSet, args=(None, 1)) |
977 |
self._waitThreads()
|
978 |
self.assertEqual(self.done.get_nowait(), 'DONE') |
979 |
self._addThread(target=self._doAddSet, args=(['nine'])) |
980 |
self.assertRaises(Queue.Empty, self.done.get_nowait) |
981 |
self.ls.release()
|
982 |
self._waitThreads()
|
983 |
self.assertEqual(self.done.get_nowait(), 'DONE') |
984 |
self._setUpLS()
|
985 |
|
986 |
|
987 |
class TestGanetiLockManager(_ThreadedTestCase): |
988 |
|
989 |
def setUp(self): |
990 |
_ThreadedTestCase.setUp(self)
|
991 |
self.nodes=['n1', 'n2'] |
992 |
self.instances=['i1', 'i2', 'i3'] |
993 |
self.GL = locking.GanetiLockManager(nodes=self.nodes, |
994 |
instances=self.instances)
|
995 |
self.done = Queue.Queue(0) |
996 |
|
997 |
def tearDown(self): |
998 |
# Don't try this at home...
|
999 |
locking.GanetiLockManager._instance = None
|
1000 |
|
1001 |
def testLockingConstants(self): |
1002 |
# The locking library internally cheats by assuming its constants have some
|
1003 |
# relationships with each other. Check those hold true.
|
1004 |
# This relationship is also used in the Processor to recursively acquire
|
1005 |
# the right locks. Again, please don't break it.
|
1006 |
for i in range(len(locking.LEVELS)): |
1007 |
self.assertEqual(i, locking.LEVELS[i])
|
1008 |
|
1009 |
def testDoubleGLFails(self): |
1010 |
self.assertRaises(AssertionError, locking.GanetiLockManager) |
1011 |
|
1012 |
def testLockNames(self): |
1013 |
self.assertEqual(self.GL._names(locking.LEVEL_CLUSTER), set(['BGL'])) |
1014 |
self.assertEqual(self.GL._names(locking.LEVEL_NODE), set(self.nodes)) |
1015 |
self.assertEqual(self.GL._names(locking.LEVEL_INSTANCE), |
1016 |
set(self.instances)) |
1017 |
|
1018 |
def testInitAndResources(self): |
1019 |
locking.GanetiLockManager._instance = None
|
1020 |
self.GL = locking.GanetiLockManager()
|
1021 |
self.assertEqual(self.GL._names(locking.LEVEL_CLUSTER), set(['BGL'])) |
1022 |
self.assertEqual(self.GL._names(locking.LEVEL_NODE), set()) |
1023 |
self.assertEqual(self.GL._names(locking.LEVEL_INSTANCE), set()) |
1024 |
|
1025 |
locking.GanetiLockManager._instance = None
|
1026 |
self.GL = locking.GanetiLockManager(nodes=self.nodes) |
1027 |
self.assertEqual(self.GL._names(locking.LEVEL_CLUSTER), set(['BGL'])) |
1028 |
self.assertEqual(self.GL._names(locking.LEVEL_NODE), set(self.nodes)) |
1029 |
self.assertEqual(self.GL._names(locking.LEVEL_INSTANCE), set()) |
1030 |
|
1031 |
locking.GanetiLockManager._instance = None
|
1032 |
self.GL = locking.GanetiLockManager(instances=self.instances) |
1033 |
self.assertEqual(self.GL._names(locking.LEVEL_CLUSTER), set(['BGL'])) |
1034 |
self.assertEqual(self.GL._names(locking.LEVEL_NODE), set()) |
1035 |
self.assertEqual(self.GL._names(locking.LEVEL_INSTANCE), |
1036 |
set(self.instances)) |
1037 |
|
1038 |
def testAcquireRelease(self): |
1039 |
self.GL.acquire(locking.LEVEL_CLUSTER, ['BGL'], shared=1) |
1040 |
self.assertEquals(self.GL._list_owned(locking.LEVEL_CLUSTER), set(['BGL'])) |
1041 |
self.GL.acquire(locking.LEVEL_INSTANCE, ['i1']) |
1042 |
self.GL.acquire(locking.LEVEL_NODE, ['n1', 'n2'], shared=1) |
1043 |
self.GL.release(locking.LEVEL_NODE, ['n2']) |
1044 |
self.assertEquals(self.GL._list_owned(locking.LEVEL_NODE), set(['n1'])) |
1045 |
self.assertEquals(self.GL._list_owned(locking.LEVEL_INSTANCE), set(['i1'])) |
1046 |
self.GL.release(locking.LEVEL_NODE)
|
1047 |
self.assertEquals(self.GL._list_owned(locking.LEVEL_NODE), set()) |
1048 |
self.assertEquals(self.GL._list_owned(locking.LEVEL_INSTANCE), set(['i1'])) |
1049 |
self.GL.release(locking.LEVEL_INSTANCE)
|
1050 |
self.assertRaises(errors.LockError, self.GL.acquire, |
1051 |
locking.LEVEL_INSTANCE, ['i5'])
|
1052 |
self.GL.acquire(locking.LEVEL_INSTANCE, ['i3'], shared=1) |
1053 |
self.assertEquals(self.GL._list_owned(locking.LEVEL_INSTANCE), set(['i3'])) |
1054 |
|
1055 |
def testAcquireWholeSets(self): |
1056 |
self.GL.acquire(locking.LEVEL_CLUSTER, ['BGL'], shared=1) |
1057 |
self.assertEquals(self.GL.acquire(locking.LEVEL_INSTANCE, None), |
1058 |
set(self.instances)) |
1059 |
self.assertEquals(self.GL._list_owned(locking.LEVEL_INSTANCE), |
1060 |
set(self.instances)) |
1061 |
self.assertEquals(self.GL.acquire(locking.LEVEL_NODE, None, shared=1), |
1062 |
set(self.nodes)) |
1063 |
self.assertEquals(self.GL._list_owned(locking.LEVEL_NODE), |
1064 |
set(self.nodes)) |
1065 |
self.GL.release(locking.LEVEL_NODE)
|
1066 |
self.GL.release(locking.LEVEL_INSTANCE)
|
1067 |
self.GL.release(locking.LEVEL_CLUSTER)
|
1068 |
|
1069 |
def testAcquireWholeAndPartial(self): |
1070 |
self.GL.acquire(locking.LEVEL_CLUSTER, ['BGL'], shared=1) |
1071 |
self.assertEquals(self.GL.acquire(locking.LEVEL_INSTANCE, None), |
1072 |
set(self.instances)) |
1073 |
self.assertEquals(self.GL._list_owned(locking.LEVEL_INSTANCE), |
1074 |
set(self.instances)) |
1075 |
self.assertEquals(self.GL.acquire(locking.LEVEL_NODE, ['n2'], shared=1), |
1076 |
set(['n2'])) |
1077 |
self.assertEquals(self.GL._list_owned(locking.LEVEL_NODE), |
1078 |
set(['n2'])) |
1079 |
self.GL.release(locking.LEVEL_NODE)
|
1080 |
self.GL.release(locking.LEVEL_INSTANCE)
|
1081 |
self.GL.release(locking.LEVEL_CLUSTER)
|
1082 |
|
1083 |
def testBGLDependency(self): |
1084 |
self.assertRaises(AssertionError, self.GL.acquire, |
1085 |
locking.LEVEL_NODE, ['n1', 'n2']) |
1086 |
self.assertRaises(AssertionError, self.GL.acquire, |
1087 |
locking.LEVEL_INSTANCE, ['i3'])
|
1088 |
self.GL.acquire(locking.LEVEL_CLUSTER, ['BGL'], shared=1) |
1089 |
self.GL.acquire(locking.LEVEL_NODE, ['n1']) |
1090 |
self.assertRaises(AssertionError, self.GL.release, |
1091 |
locking.LEVEL_CLUSTER, ['BGL'])
|
1092 |
self.assertRaises(AssertionError, self.GL.release, |
1093 |
locking.LEVEL_CLUSTER) |
1094 |
self.GL.release(locking.LEVEL_NODE)
|
1095 |
self.GL.acquire(locking.LEVEL_INSTANCE, ['i1', 'i2']) |
1096 |
self.assertRaises(AssertionError, self.GL.release, |
1097 |
locking.LEVEL_CLUSTER, ['BGL'])
|
1098 |
self.assertRaises(AssertionError, self.GL.release, |
1099 |
locking.LEVEL_CLUSTER) |
1100 |
self.GL.release(locking.LEVEL_INSTANCE)
|
1101 |
|
1102 |
def testWrongOrder(self): |
1103 |
self.GL.acquire(locking.LEVEL_CLUSTER, ['BGL'], shared=1) |
1104 |
self.GL.acquire(locking.LEVEL_NODE, ['n2']) |
1105 |
self.assertRaises(AssertionError, self.GL.acquire, |
1106 |
locking.LEVEL_NODE, ['n1'])
|
1107 |
self.assertRaises(AssertionError, self.GL.acquire, |
1108 |
locking.LEVEL_INSTANCE, ['i2'])
|
1109 |
|
1110 |
# Helper function to run as a thread that shared the BGL and then acquires
|
1111 |
# some locks at another level.
|
1112 |
def _doLock(self, level, names, shared): |
1113 |
try:
|
1114 |
self.GL.acquire(locking.LEVEL_CLUSTER, ['BGL'], shared=1) |
1115 |
self.GL.acquire(level, names, shared=shared)
|
1116 |
self.done.put('DONE') |
1117 |
self.GL.release(level)
|
1118 |
self.GL.release(locking.LEVEL_CLUSTER)
|
1119 |
except errors.LockError:
|
1120 |
self.done.put('ERR') |
1121 |
|
1122 |
@_Repeat
|
1123 |
def testConcurrency(self): |
1124 |
self.GL.acquire(locking.LEVEL_CLUSTER, ['BGL'], shared=1) |
1125 |
self._addThread(target=self._doLock, |
1126 |
args=(locking.LEVEL_INSTANCE, 'i1', 1)) |
1127 |
self._waitThreads()
|
1128 |
self.assertEqual(self.done.get_nowait(), 'DONE') |
1129 |
self.GL.acquire(locking.LEVEL_INSTANCE, ['i3']) |
1130 |
self._addThread(target=self._doLock, |
1131 |
args=(locking.LEVEL_INSTANCE, 'i1', 1)) |
1132 |
self._waitThreads()
|
1133 |
self.assertEqual(self.done.get_nowait(), 'DONE') |
1134 |
self._addThread(target=self._doLock, |
1135 |
args=(locking.LEVEL_INSTANCE, 'i3', 1)) |
1136 |
self.assertRaises(Queue.Empty, self.done.get_nowait) |
1137 |
self.GL.release(locking.LEVEL_INSTANCE)
|
1138 |
self._waitThreads()
|
1139 |
self.assertEqual(self.done.get_nowait(), 'DONE') |
1140 |
self.GL.acquire(locking.LEVEL_INSTANCE, ['i2'], shared=1) |
1141 |
self._addThread(target=self._doLock, |
1142 |
args=(locking.LEVEL_INSTANCE, 'i2', 1)) |
1143 |
self._waitThreads()
|
1144 |
self.assertEqual(self.done.get_nowait(), 'DONE') |
1145 |
self._addThread(target=self._doLock, |
1146 |
args=(locking.LEVEL_INSTANCE, 'i2', 0)) |
1147 |
self.assertRaises(Queue.Empty, self.done.get_nowait) |
1148 |
self.GL.release(locking.LEVEL_INSTANCE)
|
1149 |
self._waitThreads()
|
1150 |
self.assertEqual(self.done.get(True, 1), 'DONE') |
1151 |
self.GL.release(locking.LEVEL_CLUSTER, ['BGL']) |
1152 |
|
1153 |
|
1154 |
if __name__ == '__main__': |
1155 |
unittest.main() |
1156 |
#suite = unittest.TestLoader().loadTestsFromTestCase(TestSharedLock)
|
1157 |
#unittest.TextTestRunner(verbosity=2).run(suite)
|