Mercurial > repos > shellac > guppy_basecaller
diff env/lib/python3.7/site-packages/psutil/tests/test_process.py @ 5:9b1c78e6ba9c draft default tip
"planemo upload commit 6c0a8142489327ece472c84e558c47da711a9142"
| author | shellac |
|---|---|
| date | Mon, 01 Jun 2020 08:59:25 -0400 |
| parents | 79f47841a781 |
| children |
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--- a/env/lib/python3.7/site-packages/psutil/tests/test_process.py Thu May 14 16:47:39 2020 -0400 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,1643 +0,0 @@ -#!/usr/bin/env python3 - -# Copyright (c) 2009, Giampaolo Rodola'. All rights reserved. -# Use of this source code is governed by a BSD-style license that can be -# found in the LICENSE file. - -"""Tests for psutil.Process class.""" - -import collections -import errno -import getpass -import itertools -import os -import signal -import socket -import subprocess -import sys -import tempfile -import textwrap -import time -import types - -import psutil - -from psutil import AIX -from psutil import BSD -from psutil import LINUX -from psutil import MACOS -from psutil import NETBSD -from psutil import OPENBSD -from psutil import OSX -from psutil import POSIX -from psutil import SUNOS -from psutil import WINDOWS -from psutil._common import open_text -from psutil._compat import long -from psutil._compat import PY3 -from psutil.tests import APPVEYOR -from psutil.tests import call_until -from psutil.tests import CIRRUS -from psutil.tests import copyload_shared_lib -from psutil.tests import create_exe -from psutil.tests import create_proc_children_pair -from psutil.tests import create_zombie_proc -from psutil.tests import enum -from psutil.tests import get_test_subprocess -from psutil.tests import HAS_CPU_AFFINITY -from psutil.tests import HAS_ENVIRON -from psutil.tests import HAS_IONICE -from psutil.tests import HAS_MEMORY_MAPS -from psutil.tests import HAS_PROC_CPU_NUM -from psutil.tests import HAS_PROC_IO_COUNTERS -from psutil.tests import HAS_RLIMIT -from psutil.tests import HAS_THREADS -from psutil.tests import mock -from psutil.tests import PYPY -from psutil.tests import PYTHON_EXE -from psutil.tests import reap_children -from psutil.tests import retry_on_failure -from psutil.tests import safe_rmpath -from psutil.tests import sh -from psutil.tests import skip_on_access_denied -from psutil.tests import skip_on_not_implemented -from psutil.tests import TESTFILE_PREFIX -from psutil.tests import TESTFN -from psutil.tests import ThreadTask -from psutil.tests import TRAVIS -from psutil.tests import unittest -from psutil.tests import wait_for_pid - - -# =================================================================== -# --- psutil.Process class tests -# =================================================================== - -class TestProcess(unittest.TestCase): - """Tests for psutil.Process class.""" - - def setUp(self): - safe_rmpath(TESTFN) - - def tearDown(self): - reap_children() - - def test_pid(self): - p = psutil.Process() - self.assertEqual(p.pid, os.getpid()) - sproc = get_test_subprocess() - self.assertEqual(psutil.Process(sproc.pid).pid, sproc.pid) - with self.assertRaises(AttributeError): - p.pid = 33 - - def test_kill(self): - sproc = get_test_subprocess() - test_pid = sproc.pid - p = psutil.Process(test_pid) - p.kill() - sig = p.wait() - self.assertFalse(psutil.pid_exists(test_pid)) - if POSIX: - self.assertEqual(sig, -signal.SIGKILL) - - def test_terminate(self): - sproc = get_test_subprocess() - test_pid = sproc.pid - p = psutil.Process(test_pid) - p.terminate() - sig = p.wait() - self.assertFalse(psutil.pid_exists(test_pid)) - if POSIX: - self.assertEqual(sig, -signal.SIGTERM) - - def test_send_signal(self): - sig = signal.SIGKILL if POSIX else signal.SIGTERM - sproc = get_test_subprocess() - p = psutil.Process(sproc.pid) - p.send_signal(sig) - exit_sig = p.wait() - self.assertFalse(psutil.pid_exists(p.pid)) - if POSIX: - self.assertEqual(exit_sig, -sig) - # - sproc = get_test_subprocess() - p = psutil.Process(sproc.pid) - p.send_signal(sig) - with mock.patch('psutil.os.kill', - side_effect=OSError(errno.ESRCH, "")): - with self.assertRaises(psutil.NoSuchProcess): - p.send_signal(sig) - # - sproc = get_test_subprocess() - p = psutil.Process(sproc.pid) - p.send_signal(sig) - with mock.patch('psutil.os.kill', - side_effect=OSError(errno.EPERM, "")): - with self.assertRaises(psutil.AccessDenied): - psutil.Process().send_signal(sig) - # Sending a signal to process with PID 0 is not allowed as - # it would affect every process in the process group of - # the calling process (os.getpid()) instead of PID 0"). - if 0 in psutil.pids(): - p = psutil.Process(0) - self.assertRaises(ValueError, p.send_signal, signal.SIGTERM) - - def test_wait(self): - # check exit code signal - sproc = get_test_subprocess() - p = psutil.Process(sproc.pid) - p.kill() - code = p.wait() - if POSIX: - self.assertEqual(code, -signal.SIGKILL) - else: - self.assertEqual(code, signal.SIGTERM) - self.assertFalse(p.is_running()) - - sproc = get_test_subprocess() - p = psutil.Process(sproc.pid) - p.terminate() - code = p.wait() - if POSIX: - self.assertEqual(code, -signal.SIGTERM) - else: - self.assertEqual(code, signal.SIGTERM) - self.assertFalse(p.is_running()) - - # check sys.exit() code - code = "import time, sys; time.sleep(0.01); sys.exit(5);" - sproc = get_test_subprocess([PYTHON_EXE, "-c", code]) - p = psutil.Process(sproc.pid) - self.assertEqual(p.wait(), 5) - self.assertFalse(p.is_running()) - - # Test wait() issued twice. - # It is not supposed to raise NSP when the process is gone. - # On UNIX this should return None, on Windows it should keep - # returning the exit code. - sproc = get_test_subprocess([PYTHON_EXE, "-c", code]) - p = psutil.Process(sproc.pid) - self.assertEqual(p.wait(), 5) - self.assertIn(p.wait(), (5, None)) - - # test timeout - sproc = get_test_subprocess() - p = psutil.Process(sproc.pid) - p.name() - self.assertRaises(psutil.TimeoutExpired, p.wait, 0.01) - - # timeout < 0 not allowed - self.assertRaises(ValueError, p.wait, -1) - - def test_wait_non_children(self): - # Test wait() against a process which is not our direct - # child. - p1, p2 = create_proc_children_pair() - self.assertRaises(psutil.TimeoutExpired, p1.wait, 0.01) - self.assertRaises(psutil.TimeoutExpired, p2.wait, 0.01) - # We also terminate the direct child otherwise the - # grandchild will hang until the parent is gone. - p1.terminate() - p2.terminate() - ret1 = p1.wait() - ret2 = p2.wait() - if POSIX: - self.assertEqual(ret1, -signal.SIGTERM) - # For processes which are not our children we're supposed - # to get None. - self.assertEqual(ret2, None) - else: - self.assertEqual(ret1, signal.SIGTERM) - self.assertEqual(ret1, signal.SIGTERM) - - def test_wait_timeout_0(self): - sproc = get_test_subprocess() - p = psutil.Process(sproc.pid) - self.assertRaises(psutil.TimeoutExpired, p.wait, 0) - p.kill() - stop_at = time.time() + 2 - while True: - try: - code = p.wait(0) - except psutil.TimeoutExpired: - if time.time() >= stop_at: - raise - else: - break - if POSIX: - self.assertEqual(code, -signal.SIGKILL) - else: - self.assertEqual(code, signal.SIGTERM) - self.assertFalse(p.is_running()) - - def test_cpu_percent(self): - p = psutil.Process() - p.cpu_percent(interval=0.001) - p.cpu_percent(interval=0.001) - for x in range(100): - percent = p.cpu_percent(interval=None) - self.assertIsInstance(percent, float) - self.assertGreaterEqual(percent, 0.0) - with self.assertRaises(ValueError): - p.cpu_percent(interval=-1) - - def test_cpu_percent_numcpus_none(self): - # See: https://github.com/giampaolo/psutil/issues/1087 - with mock.patch('psutil.cpu_count', return_value=None) as m: - psutil.Process().cpu_percent() - assert m.called - - def test_cpu_times(self): - times = psutil.Process().cpu_times() - assert (times.user > 0.0) or (times.system > 0.0), times - assert (times.children_user >= 0.0), times - assert (times.children_system >= 0.0), times - if LINUX: - assert times.iowait >= 0.0, times - # make sure returned values can be pretty printed with strftime - for name in times._fields: - time.strftime("%H:%M:%S", time.localtime(getattr(times, name))) - - def test_cpu_times_2(self): - user_time, kernel_time = psutil.Process().cpu_times()[:2] - utime, ktime = os.times()[:2] - - # Use os.times()[:2] as base values to compare our results - # using a tolerance of +/- 0.1 seconds. - # It will fail if the difference between the values is > 0.1s. - if (max([user_time, utime]) - min([user_time, utime])) > 0.1: - self.fail("expected: %s, found: %s" % (utime, user_time)) - - if (max([kernel_time, ktime]) - min([kernel_time, ktime])) > 0.1: - self.fail("expected: %s, found: %s" % (ktime, kernel_time)) - - @unittest.skipIf(not HAS_PROC_CPU_NUM, "not supported") - def test_cpu_num(self): - p = psutil.Process() - num = p.cpu_num() - self.assertGreaterEqual(num, 0) - if psutil.cpu_count() == 1: - self.assertEqual(num, 0) - self.assertIn(p.cpu_num(), range(psutil.cpu_count())) - - def test_create_time(self): - sproc = get_test_subprocess() - now = time.time() - p = psutil.Process(sproc.pid) - create_time = p.create_time() - - # Use time.time() as base value to compare our result using a - # tolerance of +/- 1 second. - # It will fail if the difference between the values is > 2s. - difference = abs(create_time - now) - if difference > 2: - self.fail("expected: %s, found: %s, difference: %s" - % (now, create_time, difference)) - - # make sure returned value can be pretty printed with strftime - time.strftime("%Y %m %d %H:%M:%S", time.localtime(p.create_time())) - - @unittest.skipIf(not POSIX, 'POSIX only') - @unittest.skipIf(TRAVIS or CIRRUS, 'not reliable on TRAVIS/CIRRUS') - def test_terminal(self): - terminal = psutil.Process().terminal() - if sys.stdin.isatty() or sys.stdout.isatty(): - tty = os.path.realpath(sh('tty')) - self.assertEqual(terminal, tty) - else: - self.assertIsNone(terminal) - - @unittest.skipIf(not HAS_PROC_IO_COUNTERS, 'not supported') - @skip_on_not_implemented(only_if=LINUX) - def test_io_counters(self): - p = psutil.Process() - # test reads - io1 = p.io_counters() - with open(PYTHON_EXE, 'rb') as f: - f.read() - io2 = p.io_counters() - if not BSD and not AIX: - self.assertGreater(io2.read_count, io1.read_count) - self.assertEqual(io2.write_count, io1.write_count) - if LINUX: - self.assertGreater(io2.read_chars, io1.read_chars) - self.assertEqual(io2.write_chars, io1.write_chars) - else: - self.assertGreaterEqual(io2.read_bytes, io1.read_bytes) - self.assertGreaterEqual(io2.write_bytes, io1.write_bytes) - - # test writes - io1 = p.io_counters() - with tempfile.TemporaryFile(prefix=TESTFILE_PREFIX) as f: - if PY3: - f.write(bytes("x" * 1000000, 'ascii')) - else: - f.write("x" * 1000000) - io2 = p.io_counters() - self.assertGreaterEqual(io2.write_count, io1.write_count) - self.assertGreaterEqual(io2.write_bytes, io1.write_bytes) - self.assertGreaterEqual(io2.read_count, io1.read_count) - self.assertGreaterEqual(io2.read_bytes, io1.read_bytes) - if LINUX: - self.assertGreater(io2.write_chars, io1.write_chars) - self.assertGreaterEqual(io2.read_chars, io1.read_chars) - - # sanity check - for i in range(len(io2)): - if BSD and i >= 2: - # On BSD read_bytes and write_bytes are always set to -1. - continue - self.assertGreaterEqual(io2[i], 0) - self.assertGreaterEqual(io2[i], 0) - - @unittest.skipIf(not HAS_IONICE, "not supported") - @unittest.skipIf(not LINUX, "linux only") - def test_ionice_linux(self): - p = psutil.Process() - self.assertEqual(p.ionice()[0], psutil.IOPRIO_CLASS_NONE) - self.assertEqual(psutil.IOPRIO_CLASS_NONE, 0) - self.assertEqual(psutil.IOPRIO_CLASS_RT, 1) # high - self.assertEqual(psutil.IOPRIO_CLASS_BE, 2) # normal - self.assertEqual(psutil.IOPRIO_CLASS_IDLE, 3) # low - try: - # low - p.ionice(psutil.IOPRIO_CLASS_IDLE) - self.assertEqual(tuple(p.ionice()), (psutil.IOPRIO_CLASS_IDLE, 0)) - with self.assertRaises(ValueError): # accepts no value - p.ionice(psutil.IOPRIO_CLASS_IDLE, value=7) - # normal - p.ionice(psutil.IOPRIO_CLASS_BE) - self.assertEqual(tuple(p.ionice()), (psutil.IOPRIO_CLASS_BE, 0)) - p.ionice(psutil.IOPRIO_CLASS_BE, value=7) - self.assertEqual(tuple(p.ionice()), (psutil.IOPRIO_CLASS_BE, 7)) - with self.assertRaises(ValueError): - p.ionice(psutil.IOPRIO_CLASS_BE, value=8) - # high - if os.getuid() == 0: # root - p.ionice(psutil.IOPRIO_CLASS_RT) - self.assertEqual(tuple(p.ionice()), - (psutil.IOPRIO_CLASS_RT, 0)) - p.ionice(psutil.IOPRIO_CLASS_RT, value=7) - self.assertEqual(tuple(p.ionice()), - (psutil.IOPRIO_CLASS_RT, 7)) - with self.assertRaises(ValueError): - p.ionice(psutil.IOPRIO_CLASS_IDLE, value=8) - # errs - self.assertRaisesRegex( - ValueError, "ioclass accepts no value", - p.ionice, psutil.IOPRIO_CLASS_NONE, 1) - self.assertRaisesRegex( - ValueError, "ioclass accepts no value", - p.ionice, psutil.IOPRIO_CLASS_IDLE, 1) - self.assertRaisesRegex( - ValueError, "'ioclass' argument must be specified", - p.ionice, value=1) - finally: - p.ionice(psutil.IOPRIO_CLASS_BE) - - @unittest.skipIf(not HAS_IONICE, "not supported") - @unittest.skipIf(not WINDOWS, 'not supported on this win version') - def test_ionice_win(self): - p = psutil.Process() - self.assertEqual(p.ionice(), psutil.IOPRIO_NORMAL) - try: - # base - p.ionice(psutil.IOPRIO_VERYLOW) - self.assertEqual(p.ionice(), psutil.IOPRIO_VERYLOW) - p.ionice(psutil.IOPRIO_LOW) - self.assertEqual(p.ionice(), psutil.IOPRIO_LOW) - try: - p.ionice(psutil.IOPRIO_HIGH) - except psutil.AccessDenied: - pass - else: - self.assertEqual(p.ionice(), psutil.IOPRIO_HIGH) - # errs - self.assertRaisesRegex( - TypeError, "value argument not accepted on Windows", - p.ionice, psutil.IOPRIO_NORMAL, value=1) - self.assertRaisesRegex( - ValueError, "is not a valid priority", - p.ionice, psutil.IOPRIO_HIGH + 1) - finally: - p.ionice(psutil.IOPRIO_NORMAL) - self.assertEqual(p.ionice(), psutil.IOPRIO_NORMAL) - - @unittest.skipIf(not HAS_RLIMIT, "not supported") - def test_rlimit_get(self): - import resource - p = psutil.Process(os.getpid()) - names = [x for x in dir(psutil) if x.startswith('RLIMIT')] - assert names, names - for name in names: - value = getattr(psutil, name) - self.assertGreaterEqual(value, 0) - if name in dir(resource): - self.assertEqual(value, getattr(resource, name)) - # XXX - On PyPy RLIMIT_INFINITY returned by - # resource.getrlimit() is reported as a very big long - # number instead of -1. It looks like a bug with PyPy. - if PYPY: - continue - self.assertEqual(p.rlimit(value), resource.getrlimit(value)) - else: - ret = p.rlimit(value) - self.assertEqual(len(ret), 2) - self.assertGreaterEqual(ret[0], -1) - self.assertGreaterEqual(ret[1], -1) - - @unittest.skipIf(not HAS_RLIMIT, "not supported") - def test_rlimit_set(self): - sproc = get_test_subprocess() - p = psutil.Process(sproc.pid) - p.rlimit(psutil.RLIMIT_NOFILE, (5, 5)) - self.assertEqual(p.rlimit(psutil.RLIMIT_NOFILE), (5, 5)) - # If pid is 0 prlimit() applies to the calling process and - # we don't want that. - with self.assertRaises(ValueError): - psutil._psplatform.Process(0).rlimit(0) - with self.assertRaises(ValueError): - p.rlimit(psutil.RLIMIT_NOFILE, (5, 5, 5)) - - @unittest.skipIf(not HAS_RLIMIT, "not supported") - def test_rlimit(self): - p = psutil.Process() - soft, hard = p.rlimit(psutil.RLIMIT_FSIZE) - try: - p.rlimit(psutil.RLIMIT_FSIZE, (1024, hard)) - with open(TESTFN, "wb") as f: - f.write(b"X" * 1024) - # write() or flush() doesn't always cause the exception - # but close() will. - with self.assertRaises(IOError) as exc: - with open(TESTFN, "wb") as f: - f.write(b"X" * 1025) - self.assertEqual(exc.exception.errno if PY3 else exc.exception[0], - errno.EFBIG) - finally: - p.rlimit(psutil.RLIMIT_FSIZE, (soft, hard)) - self.assertEqual(p.rlimit(psutil.RLIMIT_FSIZE), (soft, hard)) - - @unittest.skipIf(not HAS_RLIMIT, "not supported") - def test_rlimit_infinity(self): - # First set a limit, then re-set it by specifying INFINITY - # and assume we overridden the previous limit. - p = psutil.Process() - soft, hard = p.rlimit(psutil.RLIMIT_FSIZE) - try: - p.rlimit(psutil.RLIMIT_FSIZE, (1024, hard)) - p.rlimit(psutil.RLIMIT_FSIZE, (psutil.RLIM_INFINITY, hard)) - with open(TESTFN, "wb") as f: - f.write(b"X" * 2048) - finally: - p.rlimit(psutil.RLIMIT_FSIZE, (soft, hard)) - self.assertEqual(p.rlimit(psutil.RLIMIT_FSIZE), (soft, hard)) - - @unittest.skipIf(not HAS_RLIMIT, "not supported") - def test_rlimit_infinity_value(self): - # RLIMIT_FSIZE should be RLIM_INFINITY, which will be a really - # big number on a platform with large file support. On these - # platforms we need to test that the get/setrlimit functions - # properly convert the number to a C long long and that the - # conversion doesn't raise an error. - p = psutil.Process() - soft, hard = p.rlimit(psutil.RLIMIT_FSIZE) - self.assertEqual(psutil.RLIM_INFINITY, hard) - p.rlimit(psutil.RLIMIT_FSIZE, (soft, hard)) - - def test_num_threads(self): - # on certain platforms such as Linux we might test for exact - # thread number, since we always have with 1 thread per process, - # but this does not apply across all platforms (MACOS, Windows) - p = psutil.Process() - if OPENBSD: - try: - step1 = p.num_threads() - except psutil.AccessDenied: - raise unittest.SkipTest("on OpenBSD this requires root access") - else: - step1 = p.num_threads() - - with ThreadTask(): - step2 = p.num_threads() - self.assertEqual(step2, step1 + 1) - - @unittest.skipIf(not WINDOWS, 'WINDOWS only') - def test_num_handles(self): - # a better test is done later into test/_windows.py - p = psutil.Process() - self.assertGreater(p.num_handles(), 0) - - @unittest.skipIf(not HAS_THREADS, 'not supported') - def test_threads(self): - p = psutil.Process() - if OPENBSD: - try: - step1 = p.threads() - except psutil.AccessDenied: - raise unittest.SkipTest("on OpenBSD this requires root access") - else: - step1 = p.threads() - - with ThreadTask(): - step2 = p.threads() - self.assertEqual(len(step2), len(step1) + 1) - athread = step2[0] - # test named tuple - self.assertEqual(athread.id, athread[0]) - self.assertEqual(athread.user_time, athread[1]) - self.assertEqual(athread.system_time, athread[2]) - - @retry_on_failure() - @skip_on_access_denied(only_if=MACOS) - @unittest.skipIf(not HAS_THREADS, 'not supported') - def test_threads_2(self): - sproc = get_test_subprocess() - p = psutil.Process(sproc.pid) - if OPENBSD: - try: - p.threads() - except psutil.AccessDenied: - raise unittest.SkipTest( - "on OpenBSD this requires root access") - self.assertAlmostEqual( - p.cpu_times().user, - sum([x.user_time for x in p.threads()]), delta=0.1) - self.assertAlmostEqual( - p.cpu_times().system, - sum([x.system_time for x in p.threads()]), delta=0.1) - - def test_memory_info(self): - p = psutil.Process() - - # step 1 - get a base value to compare our results - rss1, vms1 = p.memory_info()[:2] - percent1 = p.memory_percent() - self.assertGreater(rss1, 0) - self.assertGreater(vms1, 0) - - # step 2 - allocate some memory - memarr = [None] * 1500000 - - rss2, vms2 = p.memory_info()[:2] - percent2 = p.memory_percent() - - # step 3 - make sure that the memory usage bumped up - self.assertGreater(rss2, rss1) - self.assertGreaterEqual(vms2, vms1) # vms might be equal - self.assertGreater(percent2, percent1) - del memarr - - if WINDOWS: - mem = p.memory_info() - self.assertEqual(mem.rss, mem.wset) - self.assertEqual(mem.vms, mem.pagefile) - - mem = p.memory_info() - for name in mem._fields: - self.assertGreaterEqual(getattr(mem, name), 0) - - def test_memory_full_info(self): - total = psutil.virtual_memory().total - mem = psutil.Process().memory_full_info() - for name in mem._fields: - value = getattr(mem, name) - self.assertGreaterEqual(value, 0, msg=(name, value)) - if name == 'vms' and OSX or LINUX: - continue - self.assertLessEqual(value, total, msg=(name, value, total)) - if LINUX or WINDOWS or MACOS: - self.assertGreaterEqual(mem.uss, 0) - if LINUX: - self.assertGreaterEqual(mem.pss, 0) - self.assertGreaterEqual(mem.swap, 0) - - @unittest.skipIf(not HAS_MEMORY_MAPS, "not supported") - def test_memory_maps(self): - p = psutil.Process() - maps = p.memory_maps() - paths = [x for x in maps] - self.assertEqual(len(paths), len(set(paths))) - ext_maps = p.memory_maps(grouped=False) - - for nt in maps: - if not nt.path.startswith('['): - assert os.path.isabs(nt.path), nt.path - if POSIX: - try: - assert os.path.exists(nt.path) or \ - os.path.islink(nt.path), nt.path - except AssertionError: - if not LINUX: - raise - else: - # https://github.com/giampaolo/psutil/issues/759 - with open_text('/proc/self/smaps') as f: - data = f.read() - if "%s (deleted)" % nt.path not in data: - raise - else: - # XXX - On Windows we have this strange behavior with - # 64 bit dlls: they are visible via explorer but cannot - # be accessed via os.stat() (wtf?). - if '64' not in os.path.basename(nt.path): - assert os.path.exists(nt.path), nt.path - for nt in ext_maps: - for fname in nt._fields: - value = getattr(nt, fname) - if fname == 'path': - continue - elif fname in ('addr', 'perms'): - assert value, value - else: - self.assertIsInstance(value, (int, long)) - assert value >= 0, value - - @unittest.skipIf(not HAS_MEMORY_MAPS, "not supported") - def test_memory_maps_lists_lib(self): - # Make sure a newly loaded shared lib is listed. - with copyload_shared_lib() as path: - def normpath(p): - return os.path.realpath(os.path.normcase(p)) - libpaths = [normpath(x.path) - for x in psutil.Process().memory_maps()] - self.assertIn(normpath(path), libpaths) - - def test_memory_percent(self): - p = psutil.Process() - p.memory_percent() - self.assertRaises(ValueError, p.memory_percent, memtype="?!?") - if LINUX or MACOS or WINDOWS: - p.memory_percent(memtype='uss') - - def test_is_running(self): - sproc = get_test_subprocess() - p = psutil.Process(sproc.pid) - assert p.is_running() - assert p.is_running() - p.kill() - p.wait() - assert not p.is_running() - assert not p.is_running() - - def test_exe(self): - sproc = get_test_subprocess() - exe = psutil.Process(sproc.pid).exe() - try: - self.assertEqual(exe, PYTHON_EXE) - except AssertionError: - if WINDOWS and len(exe) == len(PYTHON_EXE): - # on Windows we don't care about case sensitivity - normcase = os.path.normcase - self.assertEqual(normcase(exe), normcase(PYTHON_EXE)) - else: - # certain platforms such as BSD are more accurate returning: - # "/usr/local/bin/python2.7" - # ...instead of: - # "/usr/local/bin/python" - # We do not want to consider this difference in accuracy - # an error. - ver = "%s.%s" % (sys.version_info[0], sys.version_info[1]) - try: - self.assertEqual(exe.replace(ver, ''), - PYTHON_EXE.replace(ver, '')) - except AssertionError: - # Tipically MACOS. Really not sure what to do here. - pass - - out = sh([exe, "-c", "import os; print('hey')"]) - self.assertEqual(out, 'hey') - - def test_cmdline(self): - cmdline = [PYTHON_EXE, "-c", "import time; time.sleep(60)"] - sproc = get_test_subprocess(cmdline) - try: - self.assertEqual(' '.join(psutil.Process(sproc.pid).cmdline()), - ' '.join(cmdline)) - except AssertionError: - # XXX - most of the times the underlying sysctl() call on Net - # and Open BSD returns a truncated string. - # Also /proc/pid/cmdline behaves the same so it looks - # like this is a kernel bug. - # XXX - AIX truncates long arguments in /proc/pid/cmdline - if NETBSD or OPENBSD or AIX: - self.assertEqual( - psutil.Process(sproc.pid).cmdline()[0], PYTHON_EXE) - else: - raise - - @unittest.skipIf(PYPY, "broken on PYPY") - def test_long_cmdline(self): - create_exe(TESTFN) - self.addCleanup(safe_rmpath, TESTFN) - cmdline = [TESTFN] + (["0123456789"] * 20) - sproc = get_test_subprocess(cmdline) - p = psutil.Process(sproc.pid) - self.assertEqual(p.cmdline(), cmdline) - - def test_name(self): - sproc = get_test_subprocess(PYTHON_EXE) - name = psutil.Process(sproc.pid).name().lower() - pyexe = os.path.basename(os.path.realpath(sys.executable)).lower() - assert pyexe.startswith(name), (pyexe, name) - - @unittest.skipIf(PYPY, "unreliable on PYPY") - def test_long_name(self): - long_name = TESTFN + ("0123456789" * 2) - create_exe(long_name) - self.addCleanup(safe_rmpath, long_name) - sproc = get_test_subprocess(long_name) - p = psutil.Process(sproc.pid) - self.assertEqual(p.name(), os.path.basename(long_name)) - - # XXX - @unittest.skipIf(SUNOS, "broken on SUNOS") - @unittest.skipIf(AIX, "broken on AIX") - @unittest.skipIf(PYPY, "broken on PYPY") - def test_prog_w_funky_name(self): - # Test that name(), exe() and cmdline() correctly handle programs - # with funky chars such as spaces and ")", see: - # https://github.com/giampaolo/psutil/issues/628 - - def rm(): - # Try to limit occasional failures on Appveyor: - # https://ci.appveyor.com/project/giampaolo/psutil/build/1350/ - # job/lbo3bkju55le850n - try: - safe_rmpath(funky_path) - except OSError: - pass - - funky_path = TESTFN + 'foo bar )' - create_exe(funky_path) - self.addCleanup(rm) - cmdline = [funky_path, "-c", - "import time; [time.sleep(0.01) for x in range(3000)];" - "arg1", "arg2", "", "arg3", ""] - sproc = get_test_subprocess(cmdline) - p = psutil.Process(sproc.pid) - # ...in order to try to prevent occasional failures on travis - if TRAVIS: - wait_for_pid(p.pid) - self.assertEqual(p.cmdline(), cmdline) - self.assertEqual(p.name(), os.path.basename(funky_path)) - self.assertEqual(os.path.normcase(p.exe()), - os.path.normcase(funky_path)) - - @unittest.skipIf(not POSIX, 'POSIX only') - def test_uids(self): - p = psutil.Process() - real, effective, saved = p.uids() - # os.getuid() refers to "real" uid - self.assertEqual(real, os.getuid()) - # os.geteuid() refers to "effective" uid - self.assertEqual(effective, os.geteuid()) - # No such thing as os.getsuid() ("saved" uid), but starting - # from python 2.7 we have os.getresuid() which returns all - # of them. - if hasattr(os, "getresuid"): - self.assertEqual(os.getresuid(), p.uids()) - - @unittest.skipIf(not POSIX, 'POSIX only') - def test_gids(self): - p = psutil.Process() - real, effective, saved = p.gids() - # os.getuid() refers to "real" uid - self.assertEqual(real, os.getgid()) - # os.geteuid() refers to "effective" uid - self.assertEqual(effective, os.getegid()) - # No such thing as os.getsgid() ("saved" gid), but starting - # from python 2.7 we have os.getresgid() which returns all - # of them. - if hasattr(os, "getresuid"): - self.assertEqual(os.getresgid(), p.gids()) - - def test_nice(self): - p = psutil.Process() - self.assertRaises(TypeError, p.nice, "str") - if WINDOWS: - try: - init = p.nice() - if sys.version_info > (3, 4): - self.assertIsInstance(init, enum.IntEnum) - else: - self.assertIsInstance(init, int) - self.assertEqual(init, psutil.NORMAL_PRIORITY_CLASS) - p.nice(psutil.HIGH_PRIORITY_CLASS) - self.assertEqual(p.nice(), psutil.HIGH_PRIORITY_CLASS) - p.nice(psutil.NORMAL_PRIORITY_CLASS) - self.assertEqual(p.nice(), psutil.NORMAL_PRIORITY_CLASS) - finally: - p.nice(psutil.NORMAL_PRIORITY_CLASS) - else: - first_nice = p.nice() - try: - if hasattr(os, "getpriority"): - self.assertEqual( - os.getpriority(os.PRIO_PROCESS, os.getpid()), p.nice()) - p.nice(1) - self.assertEqual(p.nice(), 1) - if hasattr(os, "getpriority"): - self.assertEqual( - os.getpriority(os.PRIO_PROCESS, os.getpid()), p.nice()) - # XXX - going back to previous nice value raises - # AccessDenied on MACOS - if not MACOS: - p.nice(0) - self.assertEqual(p.nice(), 0) - except psutil.AccessDenied: - pass - finally: - try: - p.nice(first_nice) - except psutil.AccessDenied: - pass - - def test_status(self): - p = psutil.Process() - self.assertEqual(p.status(), psutil.STATUS_RUNNING) - - def test_username(self): - sproc = get_test_subprocess() - p = psutil.Process(sproc.pid) - username = p.username() - if WINDOWS: - domain, username = username.split('\\') - self.assertEqual(username, getpass.getuser()) - if 'USERDOMAIN' in os.environ: - self.assertEqual(domain, os.environ['USERDOMAIN']) - else: - self.assertEqual(username, getpass.getuser()) - - def test_cwd(self): - sproc = get_test_subprocess() - p = psutil.Process(sproc.pid) - self.assertEqual(p.cwd(), os.getcwd()) - - def test_cwd_2(self): - cmd = [PYTHON_EXE, "-c", - "import os, time; os.chdir('..'); time.sleep(60)"] - sproc = get_test_subprocess(cmd) - p = psutil.Process(sproc.pid) - call_until(p.cwd, "ret == os.path.dirname(os.getcwd())") - - @unittest.skipIf(not HAS_CPU_AFFINITY, 'not supported') - def test_cpu_affinity(self): - p = psutil.Process() - initial = p.cpu_affinity() - assert initial, initial - self.addCleanup(p.cpu_affinity, initial) - - if hasattr(os, "sched_getaffinity"): - self.assertEqual(initial, list(os.sched_getaffinity(p.pid))) - self.assertEqual(len(initial), len(set(initial))) - - all_cpus = list(range(len(psutil.cpu_percent(percpu=True)))) - # Work around travis failure: - # https://travis-ci.org/giampaolo/psutil/builds/284173194 - for n in all_cpus if not TRAVIS else initial: - p.cpu_affinity([n]) - self.assertEqual(p.cpu_affinity(), [n]) - if hasattr(os, "sched_getaffinity"): - self.assertEqual(p.cpu_affinity(), - list(os.sched_getaffinity(p.pid))) - # also test num_cpu() - if hasattr(p, "num_cpu"): - self.assertEqual(p.cpu_affinity()[0], p.num_cpu()) - - # [] is an alias for "all eligible CPUs"; on Linux this may - # not be equal to all available CPUs, see: - # https://github.com/giampaolo/psutil/issues/956 - p.cpu_affinity([]) - if LINUX: - self.assertEqual(p.cpu_affinity(), p._proc._get_eligible_cpus()) - else: - self.assertEqual(p.cpu_affinity(), all_cpus) - if hasattr(os, "sched_getaffinity"): - self.assertEqual(p.cpu_affinity(), - list(os.sched_getaffinity(p.pid))) - # - self.assertRaises(TypeError, p.cpu_affinity, 1) - p.cpu_affinity(initial) - # it should work with all iterables, not only lists - if not TRAVIS: - p.cpu_affinity(set(all_cpus)) - p.cpu_affinity(tuple(all_cpus)) - - @unittest.skipIf(not HAS_CPU_AFFINITY, 'not supported') - def test_cpu_affinity_errs(self): - sproc = get_test_subprocess() - p = psutil.Process(sproc.pid) - invalid_cpu = [len(psutil.cpu_times(percpu=True)) + 10] - self.assertRaises(ValueError, p.cpu_affinity, invalid_cpu) - self.assertRaises(ValueError, p.cpu_affinity, range(10000, 11000)) - self.assertRaises(TypeError, p.cpu_affinity, [0, "1"]) - self.assertRaises(ValueError, p.cpu_affinity, [0, -1]) - - @unittest.skipIf(not HAS_CPU_AFFINITY, 'not supported') - def test_cpu_affinity_all_combinations(self): - p = psutil.Process() - initial = p.cpu_affinity() - assert initial, initial - self.addCleanup(p.cpu_affinity, initial) - - # All possible CPU set combinations. - if len(initial) > 12: - initial = initial[:12] # ...otherwise it will take forever - combos = [] - for l in range(0, len(initial) + 1): - for subset in itertools.combinations(initial, l): - if subset: - combos.append(list(subset)) - - for combo in combos: - p.cpu_affinity(combo) - self.assertEqual(p.cpu_affinity(), combo) - - # TODO: #595 - @unittest.skipIf(BSD, "broken on BSD") - # can't find any process file on Appveyor - @unittest.skipIf(APPVEYOR, "unreliable on APPVEYOR") - def test_open_files(self): - # current process - p = psutil.Process() - files = p.open_files() - self.assertFalse(TESTFN in files) - with open(TESTFN, 'wb') as f: - f.write(b'x' * 1024) - f.flush() - # give the kernel some time to see the new file - files = call_until(p.open_files, "len(ret) != %i" % len(files)) - filenames = [os.path.normcase(x.path) for x in files] - self.assertIn(os.path.normcase(TESTFN), filenames) - if LINUX: - for file in files: - if file.path == TESTFN: - self.assertEqual(file.position, 1024) - for file in files: - assert os.path.isfile(file.path), file - - # another process - cmdline = "import time; f = open(r'%s', 'r'); time.sleep(60);" % TESTFN - sproc = get_test_subprocess([PYTHON_EXE, "-c", cmdline]) - p = psutil.Process(sproc.pid) - - for x in range(100): - filenames = [os.path.normcase(x.path) for x in p.open_files()] - if TESTFN in filenames: - break - time.sleep(.01) - else: - self.assertIn(os.path.normcase(TESTFN), filenames) - for file in filenames: - assert os.path.isfile(file), file - - # TODO: #595 - @unittest.skipIf(BSD, "broken on BSD") - # can't find any process file on Appveyor - @unittest.skipIf(APPVEYOR, "unreliable on APPVEYOR") - def test_open_files_2(self): - # test fd and path fields - normcase = os.path.normcase - with open(TESTFN, 'w') as fileobj: - p = psutil.Process() - for file in p.open_files(): - if normcase(file.path) == normcase(fileobj.name) or \ - file.fd == fileobj.fileno(): - break - else: - self.fail("no file found; files=%s" % repr(p.open_files())) - self.assertEqual(normcase(file.path), normcase(fileobj.name)) - if WINDOWS: - self.assertEqual(file.fd, -1) - else: - self.assertEqual(file.fd, fileobj.fileno()) - # test positions - ntuple = p.open_files()[0] - self.assertEqual(ntuple[0], ntuple.path) - self.assertEqual(ntuple[1], ntuple.fd) - # test file is gone - self.assertNotIn(fileobj.name, p.open_files()) - - @unittest.skipIf(not POSIX, 'POSIX only') - def test_num_fds(self): - p = psutil.Process() - start = p.num_fds() - file = open(TESTFN, 'w') - self.addCleanup(file.close) - self.assertEqual(p.num_fds(), start + 1) - sock = socket.socket() - self.addCleanup(sock.close) - self.assertEqual(p.num_fds(), start + 2) - file.close() - sock.close() - self.assertEqual(p.num_fds(), start) - - @skip_on_not_implemented(only_if=LINUX) - @unittest.skipIf(OPENBSD or NETBSD, "not reliable on OPENBSD & NETBSD") - def test_num_ctx_switches(self): - p = psutil.Process() - before = sum(p.num_ctx_switches()) - for x in range(500000): - after = sum(p.num_ctx_switches()) - if after > before: - return - self.fail("num ctx switches still the same after 50.000 iterations") - - def test_ppid(self): - if hasattr(os, 'getppid'): - self.assertEqual(psutil.Process().ppid(), os.getppid()) - this_parent = os.getpid() - sproc = get_test_subprocess() - p = psutil.Process(sproc.pid) - self.assertEqual(p.ppid(), this_parent) - # no other process is supposed to have us as parent - reap_children(recursive=True) - if APPVEYOR: - # Occasional failures, see: - # https://ci.appveyor.com/project/giampaolo/psutil/build/ - # job/0hs623nenj7w4m33 - return - for p in psutil.process_iter(): - if p.pid == sproc.pid: - continue - # XXX: sometimes this fails on Windows; not sure why. - self.assertNotEqual(p.ppid(), this_parent, msg=p) - - def test_parent(self): - this_parent = os.getpid() - sproc = get_test_subprocess() - p = psutil.Process(sproc.pid) - self.assertEqual(p.parent().pid, this_parent) - - lowest_pid = psutil.pids()[0] - self.assertIsNone(psutil.Process(lowest_pid).parent()) - - def test_parent_multi(self): - p1, p2 = create_proc_children_pair() - self.assertEqual(p2.parent(), p1) - self.assertEqual(p1.parent(), psutil.Process()) - - def test_parent_disappeared(self): - # Emulate a case where the parent process disappeared. - sproc = get_test_subprocess() - p = psutil.Process(sproc.pid) - with mock.patch("psutil.Process", - side_effect=psutil.NoSuchProcess(0, 'foo')): - self.assertIsNone(p.parent()) - - @retry_on_failure() - def test_parents(self): - assert psutil.Process().parents() - p1, p2 = create_proc_children_pair() - self.assertEqual(p1.parents()[0], psutil.Process()) - self.assertEqual(p2.parents()[0], p1) - self.assertEqual(p2.parents()[1], psutil.Process()) - - def test_children(self): - reap_children(recursive=True) - p = psutil.Process() - self.assertEqual(p.children(), []) - self.assertEqual(p.children(recursive=True), []) - # On Windows we set the flag to 0 in order to cancel out the - # CREATE_NO_WINDOW flag (enabled by default) which creates - # an extra "conhost.exe" child. - sproc = get_test_subprocess(creationflags=0) - children1 = p.children() - children2 = p.children(recursive=True) - for children in (children1, children2): - self.assertEqual(len(children), 1) - self.assertEqual(children[0].pid, sproc.pid) - self.assertEqual(children[0].ppid(), os.getpid()) - - def test_children_recursive(self): - # Test children() against two sub processes, p1 and p2, where - # p1 (our child) spawned p2 (our grandchild). - p1, p2 = create_proc_children_pair() - p = psutil.Process() - self.assertEqual(p.children(), [p1]) - self.assertEqual(p.children(recursive=True), [p1, p2]) - # If the intermediate process is gone there's no way for - # children() to recursively find it. - p1.terminate() - p1.wait() - self.assertEqual(p.children(recursive=True), []) - - def test_children_duplicates(self): - # find the process which has the highest number of children - table = collections.defaultdict(int) - for p in psutil.process_iter(): - try: - table[p.ppid()] += 1 - except psutil.Error: - pass - # this is the one, now let's make sure there are no duplicates - pid = sorted(table.items(), key=lambda x: x[1])[-1][0] - p = psutil.Process(pid) - try: - c = p.children(recursive=True) - except psutil.AccessDenied: # windows - pass - else: - self.assertEqual(len(c), len(set(c))) - - def test_parents_and_children(self): - p1, p2 = create_proc_children_pair() - me = psutil.Process() - # forward - children = me.children(recursive=True) - self.assertEqual(len(children), 2) - self.assertEqual(children[0], p1) - self.assertEqual(children[1], p2) - # backward - parents = p2.parents() - self.assertEqual(parents[0], p1) - self.assertEqual(parents[1], me) - - def test_suspend_resume(self): - sproc = get_test_subprocess() - p = psutil.Process(sproc.pid) - p.suspend() - for x in range(100): - if p.status() == psutil.STATUS_STOPPED: - break - time.sleep(0.01) - p.resume() - self.assertNotEqual(p.status(), psutil.STATUS_STOPPED) - - def test_invalid_pid(self): - self.assertRaises(TypeError, psutil.Process, "1") - self.assertRaises(ValueError, psutil.Process, -1) - - def test_as_dict(self): - p = psutil.Process() - d = p.as_dict(attrs=['exe', 'name']) - self.assertEqual(sorted(d.keys()), ['exe', 'name']) - - p = psutil.Process(min(psutil.pids())) - d = p.as_dict(attrs=['connections'], ad_value='foo') - if not isinstance(d['connections'], list): - self.assertEqual(d['connections'], 'foo') - - # Test ad_value is set on AccessDenied. - with mock.patch('psutil.Process.nice', create=True, - side_effect=psutil.AccessDenied): - self.assertEqual( - p.as_dict(attrs=["nice"], ad_value=1), {"nice": 1}) - - # Test that NoSuchProcess bubbles up. - with mock.patch('psutil.Process.nice', create=True, - side_effect=psutil.NoSuchProcess(p.pid, "name")): - self.assertRaises( - psutil.NoSuchProcess, p.as_dict, attrs=["nice"]) - - # Test that ZombieProcess is swallowed. - with mock.patch('psutil.Process.nice', create=True, - side_effect=psutil.ZombieProcess(p.pid, "name")): - self.assertEqual( - p.as_dict(attrs=["nice"], ad_value="foo"), {"nice": "foo"}) - - # By default APIs raising NotImplementedError are - # supposed to be skipped. - with mock.patch('psutil.Process.nice', create=True, - side_effect=NotImplementedError): - d = p.as_dict() - self.assertNotIn('nice', list(d.keys())) - # ...unless the user explicitly asked for some attr. - with self.assertRaises(NotImplementedError): - p.as_dict(attrs=["nice"]) - - # errors - with self.assertRaises(TypeError): - p.as_dict('name') - with self.assertRaises(ValueError): - p.as_dict(['foo']) - with self.assertRaises(ValueError): - p.as_dict(['foo', 'bar']) - - def test_oneshot(self): - with mock.patch("psutil._psplatform.Process.cpu_times") as m: - p = psutil.Process() - with p.oneshot(): - p.cpu_times() - p.cpu_times() - self.assertEqual(m.call_count, 1) - - with mock.patch("psutil._psplatform.Process.cpu_times") as m: - p.cpu_times() - p.cpu_times() - self.assertEqual(m.call_count, 2) - - def test_oneshot_twice(self): - # Test the case where the ctx manager is __enter__ed twice. - # The second __enter__ is supposed to resut in a NOOP. - with mock.patch("psutil._psplatform.Process.cpu_times") as m1: - with mock.patch("psutil._psplatform.Process.oneshot_enter") as m2: - p = psutil.Process() - with p.oneshot(): - p.cpu_times() - p.cpu_times() - with p.oneshot(): - p.cpu_times() - p.cpu_times() - self.assertEqual(m1.call_count, 1) - self.assertEqual(m2.call_count, 1) - - with mock.patch("psutil._psplatform.Process.cpu_times") as m: - p.cpu_times() - p.cpu_times() - self.assertEqual(m.call_count, 2) - - def test_oneshot_cache(self): - # Make sure oneshot() cache is nonglobal. Instead it's - # supposed to be bound to the Process instance, see: - # https://github.com/giampaolo/psutil/issues/1373 - p1, p2 = create_proc_children_pair() - p1_ppid = p1.ppid() - p2_ppid = p2.ppid() - self.assertNotEqual(p1_ppid, p2_ppid) - with p1.oneshot(): - self.assertEqual(p1.ppid(), p1_ppid) - self.assertEqual(p2.ppid(), p2_ppid) - with p2.oneshot(): - self.assertEqual(p1.ppid(), p1_ppid) - self.assertEqual(p2.ppid(), p2_ppid) - - def test_halfway_terminated_process(self): - # Test that NoSuchProcess exception gets raised in case the - # process dies after we create the Process object. - # Example: - # >>> proc = Process(1234) - # >>> time.sleep(2) # time-consuming task, process dies in meantime - # >>> proc.name() - # Refers to Issue #15 - sproc = get_test_subprocess() - p = psutil.Process(sproc.pid) - p.terminate() - p.wait() - if WINDOWS: - call_until(psutil.pids, "%s not in ret" % p.pid) - assert not p.is_running() - - if WINDOWS: - with self.assertRaises(psutil.NoSuchProcess): - p.send_signal(signal.CTRL_C_EVENT) - with self.assertRaises(psutil.NoSuchProcess): - p.send_signal(signal.CTRL_BREAK_EVENT) - - excluded_names = ['pid', 'is_running', 'wait', 'create_time', - 'oneshot', 'memory_info_ex'] - if LINUX and not HAS_RLIMIT: - excluded_names.append('rlimit') - for name in dir(p): - if (name.startswith('_') or - name in excluded_names): - continue - try: - meth = getattr(p, name) - # get/set methods - if name == 'nice': - if POSIX: - ret = meth(1) - else: - ret = meth(psutil.NORMAL_PRIORITY_CLASS) - elif name == 'ionice': - ret = meth() - ret = meth(2) - elif name == 'rlimit': - ret = meth(psutil.RLIMIT_NOFILE) - ret = meth(psutil.RLIMIT_NOFILE, (5, 5)) - elif name == 'cpu_affinity': - ret = meth() - ret = meth([0]) - elif name == 'send_signal': - ret = meth(signal.SIGTERM) - else: - ret = meth() - except psutil.ZombieProcess: - self.fail("ZombieProcess for %r was not supposed to happen" % - name) - except psutil.NoSuchProcess: - pass - except psutil.AccessDenied: - if OPENBSD and name in ('threads', 'num_threads'): - pass - else: - raise - except NotImplementedError: - pass - else: - # NtQuerySystemInformation succeeds if process is gone. - if WINDOWS and name in ('exe', 'name'): - normcase = os.path.normcase - if name == 'exe': - self.assertEqual(normcase(ret), normcase(PYTHON_EXE)) - else: - self.assertEqual( - normcase(ret), - normcase(os.path.basename(PYTHON_EXE))) - continue - self.fail( - "NoSuchProcess exception not raised for %r, retval=%s" % ( - name, ret)) - - @unittest.skipIf(not POSIX, 'POSIX only') - def test_zombie_process(self): - def succeed_or_zombie_p_exc(fun, *args, **kwargs): - try: - return fun(*args, **kwargs) - except (psutil.ZombieProcess, psutil.AccessDenied): - pass - - zpid = create_zombie_proc() - self.addCleanup(reap_children, recursive=True) - # A zombie process should always be instantiable - zproc = psutil.Process(zpid) - # ...and at least its status always be querable - self.assertEqual(zproc.status(), psutil.STATUS_ZOMBIE) - # ...and it should be considered 'running' - self.assertTrue(zproc.is_running()) - # ...and as_dict() shouldn't crash - zproc.as_dict() - # if cmdline succeeds it should be an empty list - ret = succeed_or_zombie_p_exc(zproc.suspend) - if ret is not None: - self.assertEqual(ret, []) - - if hasattr(zproc, "rlimit"): - succeed_or_zombie_p_exc(zproc.rlimit, psutil.RLIMIT_NOFILE) - succeed_or_zombie_p_exc(zproc.rlimit, psutil.RLIMIT_NOFILE, - (5, 5)) - # set methods - succeed_or_zombie_p_exc(zproc.parent) - if hasattr(zproc, 'cpu_affinity'): - try: - succeed_or_zombie_p_exc(zproc.cpu_affinity, [0]) - except ValueError as err: - if TRAVIS and LINUX and "not eligible" in str(err): - # https://travis-ci.org/giampaolo/psutil/jobs/279890461 - pass - else: - raise - - succeed_or_zombie_p_exc(zproc.nice, 0) - if hasattr(zproc, 'ionice'): - if LINUX: - succeed_or_zombie_p_exc(zproc.ionice, 2, 0) - else: - succeed_or_zombie_p_exc(zproc.ionice, 0) # Windows - if hasattr(zproc, 'rlimit'): - succeed_or_zombie_p_exc(zproc.rlimit, - psutil.RLIMIT_NOFILE, (5, 5)) - succeed_or_zombie_p_exc(zproc.suspend) - succeed_or_zombie_p_exc(zproc.resume) - succeed_or_zombie_p_exc(zproc.terminate) - succeed_or_zombie_p_exc(zproc.kill) - - # ...its parent should 'see' it - # edit: not true on BSD and MACOS - # descendants = [x.pid for x in psutil.Process().children( - # recursive=True)] - # self.assertIn(zpid, descendants) - # XXX should we also assume ppid be usable? Note: this - # would be an important use case as the only way to get - # rid of a zombie is to kill its parent. - # self.assertEqual(zpid.ppid(), os.getpid()) - # ...and all other APIs should be able to deal with it - self.assertTrue(psutil.pid_exists(zpid)) - if not TRAVIS and MACOS: - # For some reason this started failing all of the sudden. - # Maybe they upgraded MACOS version? - # https://travis-ci.org/giampaolo/psutil/jobs/310896404 - self.assertIn(zpid, psutil.pids()) - self.assertIn(zpid, [x.pid for x in psutil.process_iter()]) - psutil._pmap = {} - self.assertIn(zpid, [x.pid for x in psutil.process_iter()]) - - @unittest.skipIf(not POSIX, 'POSIX only') - def test_zombie_process_is_running_w_exc(self): - # Emulate a case where internally is_running() raises - # ZombieProcess. - p = psutil.Process() - with mock.patch("psutil.Process", - side_effect=psutil.ZombieProcess(0)) as m: - assert p.is_running() - assert m.called - - @unittest.skipIf(not POSIX, 'POSIX only') - def test_zombie_process_status_w_exc(self): - # Emulate a case where internally status() raises - # ZombieProcess. - p = psutil.Process() - with mock.patch("psutil._psplatform.Process.status", - side_effect=psutil.ZombieProcess(0)) as m: - self.assertEqual(p.status(), psutil.STATUS_ZOMBIE) - assert m.called - - def test_pid_0(self): - # Process(0) is supposed to work on all platforms except Linux - if 0 not in psutil.pids(): - self.assertRaises(psutil.NoSuchProcess, psutil.Process, 0) - return - - # test all methods - p = psutil.Process(0) - for name in psutil._as_dict_attrnames: - if name == 'pid': - continue - meth = getattr(p, name) - try: - ret = meth() - except psutil.AccessDenied: - pass - else: - if name in ("uids", "gids"): - self.assertEqual(ret.real, 0) - elif name == "username": - if POSIX: - self.assertEqual(p.username(), 'root') - elif WINDOWS: - self.assertEqual(p.username(), 'NT AUTHORITY\\SYSTEM') - elif name == "name": - assert name, name - - if hasattr(p, 'rlimit'): - try: - p.rlimit(psutil.RLIMIT_FSIZE) - except psutil.AccessDenied: - pass - - p.as_dict() - - if not OPENBSD: - self.assertIn(0, psutil.pids()) - self.assertTrue(psutil.pid_exists(0)) - - @unittest.skipIf(not HAS_ENVIRON, "not supported") - def test_environ(self): - def clean_dict(d): - # Most of these are problematic on Travis. - d.pop("PSUTIL_TESTING", None) - d.pop("PLAT", None) - d.pop("HOME", None) - if MACOS: - d.pop("__CF_USER_TEXT_ENCODING", None) - d.pop("VERSIONER_PYTHON_PREFER_32_BIT", None) - d.pop("VERSIONER_PYTHON_VERSION", None) - return dict( - [(k.replace("\r", "").replace("\n", ""), - v.replace("\r", "").replace("\n", "")) - for k, v in d.items()]) - - self.maxDiff = None - p = psutil.Process() - d1 = clean_dict(p.environ()) - d2 = clean_dict(os.environ.copy()) - self.assertEqual(d1, d2) - - @unittest.skipIf(not HAS_ENVIRON, "not supported") - @unittest.skipIf(not POSIX, "POSIX only") - def test_weird_environ(self): - # environment variables can contain values without an equals sign - code = textwrap.dedent(""" - #include <unistd.h> - #include <fcntl.h> - char * const argv[] = {"cat", 0}; - char * const envp[] = {"A=1", "X", "C=3", 0}; - int main(void) { - /* Close stderr on exec so parent can wait for the execve to - * finish. */ - if (fcntl(2, F_SETFD, FD_CLOEXEC) != 0) - return 0; - return execve("/bin/cat", argv, envp); - } - """) - path = TESTFN - create_exe(path, c_code=code) - self.addCleanup(safe_rmpath, path) - sproc = get_test_subprocess([path], - stdin=subprocess.PIPE, - stderr=subprocess.PIPE) - p = psutil.Process(sproc.pid) - wait_for_pid(p.pid) - self.assertTrue(p.is_running()) - # Wait for process to exec or exit. - self.assertEqual(sproc.stderr.read(), b"") - self.assertEqual(p.environ(), {"A": "1", "C": "3"}) - sproc.communicate() - self.assertEqual(sproc.returncode, 0) - - -# =================================================================== -# --- Limited user tests -# =================================================================== - - -if POSIX and os.getuid() == 0: - class LimitedUserTestCase(TestProcess): - """Repeat the previous tests by using a limited user. - Executed only on UNIX and only if the user who run the test script - is root. - """ - # the uid/gid the test suite runs under - if hasattr(os, 'getuid'): - PROCESS_UID = os.getuid() - PROCESS_GID = os.getgid() - - def __init__(self, *args, **kwargs): - TestProcess.__init__(self, *args, **kwargs) - # re-define all existent test methods in order to - # ignore AccessDenied exceptions - for attr in [x for x in dir(self) if x.startswith('test')]: - meth = getattr(self, attr) - - def test_(self): - try: - meth() - except psutil.AccessDenied: - pass - setattr(self, attr, types.MethodType(test_, self)) - - def setUp(self): - safe_rmpath(TESTFN) - TestProcess.setUp(self) - os.setegid(1000) - os.seteuid(1000) - - def tearDown(self): - os.setegid(self.PROCESS_UID) - os.seteuid(self.PROCESS_GID) - TestProcess.tearDown(self) - - def test_nice(self): - try: - psutil.Process().nice(-1) - except psutil.AccessDenied: - pass - else: - self.fail("exception not raised") - - def test_zombie_process(self): - # causes problems if test test suite is run as root - pass - - -# =================================================================== -# --- psutil.Popen tests -# =================================================================== - - -class TestPopen(unittest.TestCase): - """Tests for psutil.Popen class.""" - - def tearDown(self): - reap_children() - - def test_misc(self): - # XXX this test causes a ResourceWarning on Python 3 because - # psutil.__subproc instance doesn't get propertly freed. - # Not sure what to do though. - cmd = [PYTHON_EXE, "-c", "import time; time.sleep(60);"] - with psutil.Popen(cmd, stdout=subprocess.PIPE, - stderr=subprocess.PIPE) as proc: - proc.name() - proc.cpu_times() - proc.stdin - self.assertTrue(dir(proc)) - self.assertRaises(AttributeError, getattr, proc, 'foo') - proc.terminate() - - def test_ctx_manager(self): - with psutil.Popen([PYTHON_EXE, "-V"], - stdout=subprocess.PIPE, - stderr=subprocess.PIPE, - stdin=subprocess.PIPE) as proc: - proc.communicate() - assert proc.stdout.closed - assert proc.stderr.closed - assert proc.stdin.closed - self.assertEqual(proc.returncode, 0) - - def test_kill_terminate(self): - # subprocess.Popen()'s terminate(), kill() and send_signal() do - # not raise exception after the process is gone. psutil.Popen - # diverges from that. - cmd = [PYTHON_EXE, "-c", "import time; time.sleep(60);"] - with psutil.Popen(cmd, stdout=subprocess.PIPE, - stderr=subprocess.PIPE) as proc: - proc.terminate() - proc.wait() - self.assertRaises(psutil.NoSuchProcess, proc.terminate) - self.assertRaises(psutil.NoSuchProcess, proc.kill) - self.assertRaises(psutil.NoSuchProcess, proc.send_signal, - signal.SIGTERM) - if WINDOWS and sys.version_info >= (2, 7): - self.assertRaises(psutil.NoSuchProcess, proc.send_signal, - signal.CTRL_C_EVENT) - self.assertRaises(psutil.NoSuchProcess, proc.send_signal, - signal.CTRL_BREAK_EVENT) - - -if __name__ == '__main__': - from psutil.tests.runner import run - run(__file__)