wexpect-venv/tests/test_isalive.py

88 lines
2.9 KiB
Python

import wexpect
import unittest
import signal
import sys
import time
from tests import PexpectTestCase
PYBIN = '"{}"'.format(sys.executable)
class IsAliveTestCase(PexpectTestCase.PexpectTestCase):
"""Various tests for the running status of processes."""
def test_expect_wait(self):
"""Ensure consistency in wait() and isalive()."""
p = wexpect.spawn('sleep 1')
assert p.isalive()
self.assertEqual(p.wait(), 0)
assert not p.isalive()
# In previous versions of ptyprocess/wexpect, calling wait() a second
# time would raise an exception, but not since v4.0
self.assertEqual(p.wait(), 0)
def test_signal_wait(self):
'''Test calling wait with a process terminated by a signal.'''
if not hasattr(signal, 'SIGALRM'):
return 'SKIP'
p = wexpect.spawn(PYBIN, ['alarm_die.py'])
p.wait()
assert p.exitstatus is None
self.assertEqual(p.signalstatus, signal.SIGALRM)
def test_expect_isalive_dead_after_normal_termination (self):
p = wexpect.spawn('ls', timeout=15)
p.expect(wexpect.EOF)
assert not p.isalive()
def test_expect_isalive_dead_after_SIGHUP(self):
p = wexpect.spawn('cat', timeout=5)
assert p.isalive()
self.assertTrue(p.terminate())
p.expect(wexpect.EOF)
assert not p.isalive()
def test_expect_isalive_dead_after_SIGINT(self):
p = wexpect.spawn('cat', timeout=5)
assert p.isalive()
force = False
if sys.platform.lower().startswith('sunos'):
# On Solaris (SmartOs), and only when executed from cron(1), SIGKILL
# is required to end the sub-process. This is done using force=True
force = True
self.assertEqual(p.terminate(force), True)
p.expect(wexpect.EOF)
assert not p.isalive()
def test_expect_isalive_dead_after_SIGKILL(self):
p = wexpect.spawn('cat', timeout=5)
assert p.isalive()
p.kill()
p.expect(wexpect.EOF)
assert not p.isalive()
def test_forced_terminate(self):
p = wexpect.spawn(PYBIN + ' needs_kill.py')
p.expect('READY')
self.assertEqual(p.terminate(force=True), True)
p.expect(wexpect.EOF)
assert not p.isalive()
### Some platforms allow this. Some reset status after call to waitpid.
### probably not necessary, isalive() returns early when terminate is False.
def test_expect_isalive_consistent_multiple_calls (self):
'''This tests that multiple calls to isalive() return same value.
'''
p = wexpect.spawn('cat')
assert p.isalive()
assert p.isalive()
p.sendeof()
p.expect(wexpect.EOF)
assert not p.isalive()
assert not p.isalive()
if __name__ == '__main__':
unittest.main()
suite = unittest.makeSuite(IsAliveTestCase, 'test')