def subprocess_supports_unicode(suffix):
"""Return True if both the fs and the subprocess module can
deal with a unicode file name.
"""
if PY3:
return True
name = get_testfn(suffix=suffix)
sproc = None
try:
safe_rmpath(name)
create_exe(name)
sproc = get_test_subprocess(cmd=[name])
except UnicodeEncodeError:
return False
else:
return True
finally:
if sproc is not None:
terminate(sproc)
def test_spawn_children_pair(self):
child, grandchild = self.spawn_children_pair()
self.assertNotEqual(child.pid, grandchild.pid)
assert child.is_running()
assert grandchild.is_running()
children = psutil.Process().children()
self.assertEqual(children, [child])
children = psutil.Process().children(recursive=True)
self.assertEqual(len(children), 2)
self.assertIn(child, children)
self.assertIn(grandchild, children)
self.assertEqual(child.ppid(), os.getpid())
self.assertEqual(grandchild.ppid(), child.pid)
terminate(child)
assert not child.is_running()
assert grandchild.is_running()
terminate(grandchild)
assert not grandchild.is_running()
def try_unicode(suffix):
"""Return True if both the fs and the subprocess module can
deal with a unicode file name.
"""
sproc = None
testfn = get_testfn(suffix=suffix)
try:
safe_rmpath(testfn)
create_exe(testfn)
sproc = spawn_testproc(cmd=[testfn])
shutil.copyfile(testfn, testfn + '-2')
safe_rmpath(testfn + '-2')
except (UnicodeEncodeError, IOError):
return False
else:
return True
finally:
if sproc is not None:
terminate(sproc)
safe_rmpath(testfn)
def test_terminate(self):
# by subprocess.Popen
p = self.spawn_testproc()
terminate(p)
self.assertProcessGone(p)
terminate(p)
# by psutil.Process
p = psutil.Process(self.spawn_testproc().pid)
terminate(p)
self.assertProcessGone(p)
terminate(p)
# by psutil.Popen
cmd = [PYTHON_EXE, "-c", "import time; time.sleep(60);"]
p = psutil.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
terminate(p)
self.assertProcessGone(p)
terminate(p)
# by PID
pid = self.spawn_testproc().pid
terminate(pid)
self.assertProcessGone(p)
terminate(pid)
# zombie
if POSIX:
parent, zombie = self.spawn_zombie()
terminate(parent)
terminate(zombie)
self.assertProcessGone(parent)
self.assertProcessGone(zombie)
def tearDownClass(cls):
terminate(cls.pid)
def test_terminate(self):
# by subprocess.Popen
p = self.get_test_subprocess()
terminate(p)
assert not psutil.pid_exists(p.pid)
terminate(p)
# by psutil.Process
p = psutil.Process(self.get_test_subprocess().pid)
terminate(p)
assert not psutil.pid_exists(p.pid)
terminate(p)
# by psutil.Popen
cmd = [PYTHON_EXE, "-c", "import time; time.sleep(60);"]
p = psutil.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
terminate(p)
assert not psutil.pid_exists(p.pid)
terminate(p)
# by PID
pid = self.get_test_subprocess().pid
terminate(pid)
assert not psutil.pid_exists(pid)
terminate(pid)
# zombie
parent, zombie = self.create_zombie_proc()
terminate(parent)
terminate(zombie)
assert not psutil.pid_exists(parent.pid)
assert not psutil.pid_exists(zombie.pid)
def tearDownClass(cls):
terminate(cls.zombie)
terminate(cls.parent) # executed first
def tearDownClass(cls):
terminate(cls.parent)
terminate(cls.zombie)
def tearDownClass(cls):
super().tearDownClass()
terminate(cls.subp)
