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#!/usr/bin/env python
import pexpect
import unittest
import sys, os, time
class IsAliveTestCase(unittest.TestCase):
def test_expect_isalive1 (self):
p = pexpect.spawn('ls')
p.expect(pexpect.EOF)
if p.isalive():
self.fail ('Child process is not dead. It should be.')
def test_expect_isalive2 (self):
p = pexpect.spawn('cat', timeout=5)
if not p.isalive():
self.fail ('Child process is not alive. It should be.')
p.kill(1)
# Solaris is kind of slow.
# Without this delay then p.expect(...) will not see
# that the process is dead and it will timeout.
time.sleep(1)
p.expect(pexpect.EOF)
if p.isalive():
self.fail ('Child process is not dead. It should be.')
def test_expect_isalive3 (self):
p = pexpect.spawn('cat', timeout=3)
if not p.isalive():
self.fail ('Child process is not alive. It should be.')
p.kill(9)
# Solaris is kind of slow.
# Without this delay then p.expect(...) will not see
# that the process is dead and it will timeout.
time.sleep(1)
p.expect(pexpect.EOF)
if p.isalive():
# pid, sts = os.waitpid(p.pid, 0)#, os.WNOHANG)
# print 'p.pid, pid, sts:', p.pid, pid, sts
# pp = pexpect.spawn('ps -p %d' % p.pid)
# pp.expect (pexpect.EOF)
# print pp.before
self.fail ('Child process is not dead. It should be.')
### Some platforms allow this. Some reset status after call to waitpid.
def OFF_test_expect_isalive4 (self):
"""This tests that multiple calls to isalive() return same value.
"""
p = pexpect.spawn('cat')
if not p.isalive():
self.fail ('Child process is not alive. It should be.')
if not p.isalive():
self.fail ('Second call. Child process is not alive. It should be.')
p.kill(9)
p.expect(pexpect.EOF)
if p.isalive():
self.fail ('Child process is not dead. It should be.')
if p.isalive():
self.fail ('Second call. Child process is not dead. It should be.')
if __name__ == '__main__':
unittest.main()
suite = unittest.makeSuite(IsAliveTestCase, 'test')
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