# Twisted, the Framework of Your Internet
# Copyright (C) 2001 Matthew W. Lefkowitz
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of version 2.1 of the GNU Lesser General Public
# License as published by the Free Software Foundation.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
from twisted.trial import unittest
import pickle, time
from twisted.python import threadpool,threadable,log
class Counter(log.Logger):
index = 0
def add(self):
self.index = self.index + 1
synchronized = ["add"]
threadable.synchronize(Counter)
class ThreadPoolTestCase(unittest.TestCase):
"""Test threadpools."""
def testPersistence(self):
tp = threadpool.ThreadPool(7, 20)
tp.start()
time.sleep(0.1)
self.assertEquals(len(tp.threads), 7)
self.assertEquals(tp.min, 7)
self.assertEquals(tp.max, 20)
# check that unpickled threadpool has same number of threads
s = pickle.dumps(tp)
tp2 = pickle.loads(s)
tp2.start()
time.sleep(0.1)
self.assertEquals(len(tp2.threads), 7)
self.assertEquals(tp2.min, 7)
self.assertEquals(tp2.max, 20)
tp.stop()
tp2.stop()
def testCounter(self):
tp = threadpool.ThreadPool()
tp.start()
c = Counter()
for i in range(1000):
tp.dispatch(c, c.add)
oldIndex = 0
while c.index < 1000:
assert oldIndex <= c.index
oldIndex = c.index
self.assertEquals(c.index, 1000)
tp.stop()
testCases = [ThreadPoolTestCase]
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