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#!/usr/bin/env python3
# -*- coding: UTF-8 -*
# 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.
"""Windows specific tests."""
import datetime
import errno
import glob
import os
import platform
import re
import signal
import subprocess
import sys
import time
import warnings
import psutil
from psutil import WINDOWS
from psutil._compat import FileNotFoundError
from psutil._compat import super
from psutil._compat import which
from psutil.tests import APPVEYOR
from psutil.tests import GITHUB_ACTIONS
from psutil.tests import HAS_BATTERY
from psutil.tests import IS_64BIT
from psutil.tests import PY3
from psutil.tests import PYPY
from psutil.tests import TOLERANCE_DISK_USAGE
from psutil.tests import TOLERANCE_SYS_MEM
from psutil.tests import PsutilTestCase
from psutil.tests import mock
from psutil.tests import pytest
from psutil.tests import retry_on_failure
from psutil.tests import sh
from psutil.tests import spawn_testproc
from psutil.tests import terminate
if WINDOWS and not PYPY:
with warnings.catch_warnings():
warnings.simplefilter("ignore")
import win32api # requires "pip install pywin32"
import win32con
import win32process
import wmi # requires "pip install wmi" / "make install-pydeps-test"
if WINDOWS:
from psutil._pswindows import convert_oserror
cext = psutil._psplatform.cext
@pytest.mark.skipif(not WINDOWS, reason="WINDOWS only")
@pytest.mark.skipif(PYPY, reason="pywin32 not available on PYPY")
# https://github.com/giampaolo/psutil/pull/1762#issuecomment-632892692
@pytest.mark.skipif(
GITHUB_ACTIONS and not PY3, reason="pywin32 broken on GITHUB + PY2"
)
class WindowsTestCase(PsutilTestCase):
pass
def powershell(cmd):
"""Currently not used, but available just in case. Usage:
>>> powershell(
"Get-CIMInstance Win32_PageFileUsage | Select AllocatedBaseSize")
"""
if not which("powershell.exe"):
raise pytest.skip("powershell.exe not available")
cmdline = (
'powershell.exe -ExecutionPolicy Bypass -NoLogo -NonInteractive '
+ '-NoProfile -WindowStyle Hidden -Command "%s"' % cmd
)
return sh(cmdline)
def wmic(path, what, converter=int):
"""Currently not used, but available just in case. Usage:
>>> wmic("Win32_OperatingSystem", "FreePhysicalMemory")
2134124534
"""
out = sh("wmic path %s get %s" % (path, what)).strip()
data = "".join(out.splitlines()[1:]).strip() # get rid of the header
if converter is not None:
if "," in what:
return tuple([converter(x) for x in data.split()])
else:
return converter(data)
else:
return data
# ===================================================================
# System APIs
# ===================================================================
class TestCpuAPIs(WindowsTestCase):
@pytest.mark.skipif(
'NUMBER_OF_PROCESSORS' not in os.environ,
reason="NUMBER_OF_PROCESSORS env var is not available",
)
def test_cpu_count_vs_NUMBER_OF_PROCESSORS(self):
# Will likely fail on many-cores systems:
# https://stackoverflow.com/questions/31209256
num_cpus = int(os.environ['NUMBER_OF_PROCESSORS'])
assert num_cpus == psutil.cpu_count()
def test_cpu_count_vs_GetSystemInfo(self):
# Will likely fail on many-cores systems:
# https://stackoverflow.com/questions/31209256
sys_value = win32api.GetSystemInfo()[5]
psutil_value = psutil.cpu_count()
assert sys_value == psutil_value
def test_cpu_count_logical_vs_wmi(self):
w = wmi.WMI()
procs = sum(
proc.NumberOfLogicalProcessors for proc in w.Win32_Processor()
)
assert psutil.cpu_count() == procs
def test_cpu_count_cores_vs_wmi(self):
w = wmi.WMI()
cores = sum(proc.NumberOfCores for proc in w.Win32_Processor())
assert psutil.cpu_count(logical=False) == cores
def test_cpu_count_vs_cpu_times(self):
assert psutil.cpu_count() == len(psutil.cpu_times(percpu=True))
def test_cpu_freq(self):
w = wmi.WMI()
proc = w.Win32_Processor()[0]
assert proc.CurrentClockSpeed == psutil.cpu_freq().current
assert proc.MaxClockSpeed == psutil.cpu_freq().max
class TestSystemAPIs(WindowsTestCase):
def test_nic_names(self):
out = sh('ipconfig /all')
nics = psutil.net_io_counters(pernic=True).keys()
for nic in nics:
if "pseudo-interface" in nic.replace(' ', '-').lower():
continue
if nic not in out:
raise self.fail(
"%r nic wasn't found in 'ipconfig /all' output" % nic
)
def test_total_phymem(self):
w = wmi.WMI().Win32_ComputerSystem()[0]
assert int(w.TotalPhysicalMemory) == psutil.virtual_memory().total
def test_free_phymem(self):
w = wmi.WMI().Win32_PerfRawData_PerfOS_Memory()[0]
assert (
abs(int(w.AvailableBytes) - psutil.virtual_memory().free)
< TOLERANCE_SYS_MEM
)
def test_total_swapmem(self):
w = wmi.WMI().Win32_PerfRawData_PerfOS_Memory()[0]
assert (
int(w.CommitLimit) - psutil.virtual_memory().total
== psutil.swap_memory().total
)
if psutil.swap_memory().total == 0:
assert psutil.swap_memory().free == 0
assert psutil.swap_memory().used == 0
def test_percent_swapmem(self):
if psutil.swap_memory().total > 0:
w = wmi.WMI().Win32_PerfRawData_PerfOS_PagingFile(Name="_Total")[0]
# calculate swap usage to percent
percentSwap = int(w.PercentUsage) * 100 / int(w.PercentUsage_Base)
# exact percent may change but should be reasonable
# assert within +/- 5% and between 0 and 100%
assert psutil.swap_memory().percent >= 0
assert abs(psutil.swap_memory().percent - percentSwap) < 5
assert psutil.swap_memory().percent <= 100
# @pytest.mark.skipif(wmi is None, reason="wmi module is not installed")
# def test__UPTIME(self):
# # _UPTIME constant is not public but it is used internally
# # as value to return for pid 0 creation time.
# # WMI behaves the same.
# w = wmi.WMI().Win32_Process(ProcessId=self.pid)[0]
# p = psutil.Process(0)
# wmic_create = str(w.CreationDate.split('.')[0])
# psutil_create = time.strftime("%Y%m%d%H%M%S",
# time.localtime(p.create_time()))
# Note: this test is not very reliable
@pytest.mark.skipif(APPVEYOR, reason="test not relieable on appveyor")
@retry_on_failure()
def test_pids(self):
# Note: this test might fail if the OS is starting/killing
# other processes in the meantime
w = wmi.WMI().Win32_Process()
wmi_pids = set([x.ProcessId for x in w])
psutil_pids = set(psutil.pids())
assert wmi_pids == psutil_pids
@retry_on_failure()
def test_disks(self):
ps_parts = psutil.disk_partitions(all=True)
wmi_parts = wmi.WMI().Win32_LogicalDisk()
for ps_part in ps_parts:
for wmi_part in wmi_parts:
if ps_part.device.replace('\\', '') == wmi_part.DeviceID:
if not ps_part.mountpoint:
# this is usually a CD-ROM with no disk inserted
break
if 'cdrom' in ps_part.opts:
break
if ps_part.mountpoint.startswith('A:'):
break # floppy
try:
usage = psutil.disk_usage(ps_part.mountpoint)
except FileNotFoundError:
# usually this is the floppy
break
assert usage.total == int(wmi_part.Size)
wmi_free = int(wmi_part.FreeSpace)
assert usage.free == wmi_free
# 10 MB tolerance
if abs(usage.free - wmi_free) > 10 * 1024 * 1024:
raise self.fail(
"psutil=%s, wmi=%s" % (usage.free, wmi_free)
)
break
else:
raise self.fail("can't find partition %s" % repr(ps_part))
@retry_on_failure()
def test_disk_usage(self):
for disk in psutil.disk_partitions():
if 'cdrom' in disk.opts:
continue
sys_value = win32api.GetDiskFreeSpaceEx(disk.mountpoint)
psutil_value = psutil.disk_usage(disk.mountpoint)
assert abs(sys_value[0] - psutil_value.free) < TOLERANCE_DISK_USAGE
assert (
abs(sys_value[1] - psutil_value.total) < TOLERANCE_DISK_USAGE
)
assert psutil_value.used == psutil_value.total - psutil_value.free
def test_disk_partitions(self):
sys_value = [
x + '\\'
for x in win32api.GetLogicalDriveStrings().split("\\\x00")
if x and not x.startswith('A:')
]
psutil_value = [
x.mountpoint
for x in psutil.disk_partitions(all=True)
if not x.mountpoint.startswith('A:')
]
assert sys_value == psutil_value
def test_net_if_stats(self):
ps_names = set(cext.net_if_stats())
wmi_adapters = wmi.WMI().Win32_NetworkAdapter()
wmi_names = set()
for wmi_adapter in wmi_adapters:
wmi_names.add(wmi_adapter.Name)
wmi_names.add(wmi_adapter.NetConnectionID)
assert ps_names & wmi_names, "no common entries in %s, %s" % (
ps_names,
wmi_names,
)
def test_boot_time(self):
wmi_os = wmi.WMI().Win32_OperatingSystem()
wmi_btime_str = wmi_os[0].LastBootUpTime.split('.')[0]
wmi_btime_dt = datetime.datetime.strptime(
wmi_btime_str, "%Y%m%d%H%M%S"
)
psutil_dt = datetime.datetime.fromtimestamp(psutil.boot_time())
diff = abs((wmi_btime_dt - psutil_dt).total_seconds())
assert diff <= 5
def test_boot_time_fluctuation(self):
# https://github.com/giampaolo/psutil/issues/1007
with mock.patch('psutil._pswindows.cext.boot_time', return_value=5):
assert psutil.boot_time() == 5
with mock.patch('psutil._pswindows.cext.boot_time', return_value=4):
assert psutil.boot_time() == 5
with mock.patch('psutil._pswindows.cext.boot_time', return_value=6):
assert psutil.boot_time() == 5
with mock.patch('psutil._pswindows.cext.boot_time', return_value=333):
assert psutil.boot_time() == 333
# ===================================================================
# sensors_battery()
# ===================================================================
class TestSensorsBattery(WindowsTestCase):
def test_has_battery(self):
if win32api.GetPwrCapabilities()['SystemBatteriesPresent']:
assert psutil.sensors_battery() is not None
else:
assert psutil.sensors_battery() is None
@pytest.mark.skipif(not HAS_BATTERY, reason="no battery")
def test_percent(self):
w = wmi.WMI()
battery_wmi = w.query('select * from Win32_Battery')[0]
battery_psutil = psutil.sensors_battery()
assert (
abs(battery_psutil.percent - battery_wmi.EstimatedChargeRemaining)
< 1
)
@pytest.mark.skipif(not HAS_BATTERY, reason="no battery")
def test_power_plugged(self):
w = wmi.WMI()
battery_wmi = w.query('select * from Win32_Battery')[0]
battery_psutil = psutil.sensors_battery()
# Status codes:
# https://msdn.microsoft.com/en-us/library/aa394074(v=vs.85).aspx
assert battery_psutil.power_plugged == (battery_wmi.BatteryStatus == 2)
def test_emulate_no_battery(self):
with mock.patch(
"psutil._pswindows.cext.sensors_battery",
return_value=(0, 128, 0, 0),
) as m:
assert psutil.sensors_battery() is None
assert m.called
def test_emulate_power_connected(self):
with mock.patch(
"psutil._pswindows.cext.sensors_battery", return_value=(1, 0, 0, 0)
) as m:
assert (
psutil.sensors_battery().secsleft
== psutil.POWER_TIME_UNLIMITED
)
assert m.called
def test_emulate_power_charging(self):
with mock.patch(
"psutil._pswindows.cext.sensors_battery", return_value=(0, 8, 0, 0)
) as m:
assert (
psutil.sensors_battery().secsleft
== psutil.POWER_TIME_UNLIMITED
)
assert m.called
def test_emulate_secs_left_unknown(self):
with mock.patch(
"psutil._pswindows.cext.sensors_battery",
return_value=(0, 0, 0, -1),
) as m:
assert (
psutil.sensors_battery().secsleft == psutil.POWER_TIME_UNKNOWN
)
assert m.called
# ===================================================================
# Process APIs
# ===================================================================
class TestProcess(WindowsTestCase):
@classmethod
def setUpClass(cls):
cls.pid = spawn_testproc().pid
@classmethod
def tearDownClass(cls):
terminate(cls.pid)
def test_issue_24(self):
p = psutil.Process(0)
with pytest.raises(psutil.AccessDenied):
p.kill()
def test_special_pid(self):
p = psutil.Process(4)
assert p.name() == 'System'
# use __str__ to access all common Process properties to check
# that nothing strange happens
str(p)
p.username()
assert p.create_time() >= 0.0
try:
rss, _vms = p.memory_info()[:2]
except psutil.AccessDenied:
# expected on Windows Vista and Windows 7
if platform.uname()[1] not in ('vista', 'win-7', 'win7'):
raise
else:
assert rss > 0
def test_send_signal(self):
p = psutil.Process(self.pid)
with pytest.raises(ValueError):
p.send_signal(signal.SIGINT)
def test_num_handles_increment(self):
p = psutil.Process(os.getpid())
before = p.num_handles()
handle = win32api.OpenProcess(
win32con.PROCESS_QUERY_INFORMATION, win32con.FALSE, os.getpid()
)
after = p.num_handles()
assert after == before + 1
win32api.CloseHandle(handle)
assert p.num_handles() == before
def test_ctrl_signals(self):
p = psutil.Process(self.spawn_testproc().pid)
p.send_signal(signal.CTRL_C_EVENT)
p.send_signal(signal.CTRL_BREAK_EVENT)
p.kill()
p.wait()
with pytest.raises(psutil.NoSuchProcess):
p.send_signal(signal.CTRL_C_EVENT)
with pytest.raises(psutil.NoSuchProcess):
p.send_signal(signal.CTRL_BREAK_EVENT)
def test_username(self):
name = win32api.GetUserNameEx(win32con.NameSamCompatible)
if name.endswith('$'):
# When running as a service account (most likely to be
# NetworkService), these user name calculations don't produce the
# same result, causing the test to fail.
raise pytest.skip('running as service account')
assert psutil.Process().username() == name
def test_cmdline(self):
sys_value = re.sub('[ ]+', ' ', win32api.GetCommandLine()).strip()
psutil_value = ' '.join(psutil.Process().cmdline())
if sys_value[0] == '"' != psutil_value[0]:
# The PyWin32 command line may retain quotes around argv[0] if they
# were used unnecessarily, while psutil will omit them. So remove
# the first 2 quotes from sys_value if not in psutil_value.
# A path to an executable will not contain quotes, so this is safe.
sys_value = sys_value.replace('"', '', 2)
assert sys_value == psutil_value
# XXX - occasional failures
# def test_cpu_times(self):
# handle = win32api.OpenProcess(win32con.PROCESS_QUERY_INFORMATION,
# win32con.FALSE, os.getpid())
# self.addCleanup(win32api.CloseHandle, handle)
# sys_value = win32process.GetProcessTimes(handle)
# psutil_value = psutil.Process().cpu_times()
# self.assertAlmostEqual(
# psutil_value.user, sys_value['UserTime'] / 10000000.0,
# delta=0.2)
# self.assertAlmostEqual(
# psutil_value.user, sys_value['KernelTime'] / 10000000.0,
# delta=0.2)
def test_nice(self):
handle = win32api.OpenProcess(
win32con.PROCESS_QUERY_INFORMATION, win32con.FALSE, os.getpid()
)
self.addCleanup(win32api.CloseHandle, handle)
sys_value = win32process.GetPriorityClass(handle)
psutil_value = psutil.Process().nice()
assert psutil_value == sys_value
def test_memory_info(self):
handle = win32api.OpenProcess(
win32con.PROCESS_QUERY_INFORMATION, win32con.FALSE, self.pid
)
self.addCleanup(win32api.CloseHandle, handle)
sys_value = win32process.GetProcessMemoryInfo(handle)
psutil_value = psutil.Process(self.pid).memory_info()
assert sys_value['PeakWorkingSetSize'] == psutil_value.peak_wset
assert sys_value['WorkingSetSize'] == psutil_value.wset
assert (
sys_value['QuotaPeakPagedPoolUsage']
== psutil_value.peak_paged_pool
)
assert sys_value['QuotaPagedPoolUsage'] == psutil_value.paged_pool
assert (
sys_value['QuotaPeakNonPagedPoolUsage']
== psutil_value.peak_nonpaged_pool
)
assert (
sys_value['QuotaNonPagedPoolUsage'] == psutil_value.nonpaged_pool
)
assert sys_value['PagefileUsage'] == psutil_value.pagefile
assert sys_value['PeakPagefileUsage'] == psutil_value.peak_pagefile
assert psutil_value.rss == psutil_value.wset
assert psutil_value.vms == psutil_value.pagefile
def test_wait(self):
handle = win32api.OpenProcess(
win32con.PROCESS_QUERY_INFORMATION, win32con.FALSE, self.pid
)
self.addCleanup(win32api.CloseHandle, handle)
p = psutil.Process(self.pid)
p.terminate()
psutil_value = p.wait()
sys_value = win32process.GetExitCodeProcess(handle)
assert psutil_value == sys_value
def test_cpu_affinity(self):
def from_bitmask(x):
return [i for i in range(64) if (1 << i) & x]
handle = win32api.OpenProcess(
win32con.PROCESS_QUERY_INFORMATION, win32con.FALSE, self.pid
)
self.addCleanup(win32api.CloseHandle, handle)
sys_value = from_bitmask(
win32process.GetProcessAffinityMask(handle)[0]
)
psutil_value = psutil.Process(self.pid).cpu_affinity()
assert psutil_value == sys_value
def test_io_counters(self):
handle = win32api.OpenProcess(
win32con.PROCESS_QUERY_INFORMATION, win32con.FALSE, os.getpid()
)
self.addCleanup(win32api.CloseHandle, handle)
sys_value = win32process.GetProcessIoCounters(handle)
psutil_value = psutil.Process().io_counters()
assert psutil_value.read_count == sys_value['ReadOperationCount']
assert psutil_value.write_count == sys_value['WriteOperationCount']
assert psutil_value.read_bytes == sys_value['ReadTransferCount']
assert psutil_value.write_bytes == sys_value['WriteTransferCount']
assert psutil_value.other_count == sys_value['OtherOperationCount']
assert psutil_value.other_bytes == sys_value['OtherTransferCount']
def test_num_handles(self):
import ctypes
import ctypes.wintypes
PROCESS_QUERY_INFORMATION = 0x400
handle = ctypes.windll.kernel32.OpenProcess(
PROCESS_QUERY_INFORMATION, 0, self.pid
)
self.addCleanup(ctypes.windll.kernel32.CloseHandle, handle)
hndcnt = ctypes.wintypes.DWORD()
ctypes.windll.kernel32.GetProcessHandleCount(
handle, ctypes.byref(hndcnt)
)
sys_value = hndcnt.value
psutil_value = psutil.Process(self.pid).num_handles()
assert psutil_value == sys_value
def test_error_partial_copy(self):
# https://github.com/giampaolo/psutil/issues/875
exc = WindowsError()
exc.winerror = 299
with mock.patch("psutil._psplatform.cext.proc_cwd", side_effect=exc):
with mock.patch("time.sleep") as m:
p = psutil.Process()
with pytest.raises(psutil.AccessDenied):
p.cwd()
assert m.call_count >= 5
def test_exe(self):
# NtQuerySystemInformation succeeds if process is gone. Make sure
# it raises NSP for a non existent pid.
pid = psutil.pids()[-1] + 99999
proc = psutil._psplatform.Process(pid)
with pytest.raises(psutil.NoSuchProcess):
proc.exe()
class TestProcessWMI(WindowsTestCase):
"""Compare Process API results with WMI."""
@classmethod
def setUpClass(cls):
cls.pid = spawn_testproc().pid
@classmethod
def tearDownClass(cls):
terminate(cls.pid)
def test_name(self):
w = wmi.WMI().Win32_Process(ProcessId=self.pid)[0]
p = psutil.Process(self.pid)
assert p.name() == w.Caption
# This fail on github because using virtualenv for test environment
@pytest.mark.skipif(
GITHUB_ACTIONS, reason="unreliable path on GITHUB_ACTIONS"
)
def test_exe(self):
w = wmi.WMI().Win32_Process(ProcessId=self.pid)[0]
p = psutil.Process(self.pid)
# Note: wmi reports the exe as a lower case string.
# Being Windows paths case-insensitive we ignore that.
assert p.exe().lower() == w.ExecutablePath.lower()
def test_cmdline(self):
w = wmi.WMI().Win32_Process(ProcessId=self.pid)[0]
p = psutil.Process(self.pid)
assert ' '.join(p.cmdline()) == w.CommandLine.replace('"', '')
def test_username(self):
w = wmi.WMI().Win32_Process(ProcessId=self.pid)[0]
p = psutil.Process(self.pid)
domain, _, username = w.GetOwner()
username = "%s\\%s" % (domain, username)
assert p.username() == username
@retry_on_failure()
def test_memory_rss(self):
w = wmi.WMI().Win32_Process(ProcessId=self.pid)[0]
p = psutil.Process(self.pid)
rss = p.memory_info().rss
assert rss == int(w.WorkingSetSize)
@retry_on_failure()
def test_memory_vms(self):
w = wmi.WMI().Win32_Process(ProcessId=self.pid)[0]
p = psutil.Process(self.pid)
vms = p.memory_info().vms
# http://msdn.microsoft.com/en-us/library/aa394372(VS.85).aspx
# ...claims that PageFileUsage is represented in Kilo
# bytes but funnily enough on certain platforms bytes are
# returned instead.
wmi_usage = int(w.PageFileUsage)
if vms not in (wmi_usage, wmi_usage * 1024):
raise self.fail("wmi=%s, psutil=%s" % (wmi_usage, vms))
def test_create_time(self):
w = wmi.WMI().Win32_Process(ProcessId=self.pid)[0]
p = psutil.Process(self.pid)
wmic_create = str(w.CreationDate.split('.')[0])
psutil_create = time.strftime(
"%Y%m%d%H%M%S", time.localtime(p.create_time())
)
assert wmic_create == psutil_create
# ---
@pytest.mark.skipif(not WINDOWS, reason="WINDOWS only")
class TestDualProcessImplementation(PsutilTestCase):
"""Certain APIs on Windows have 2 internal implementations, one
based on documented Windows APIs, another one based
NtQuerySystemInformation() which gets called as fallback in
case the first fails because of limited permission error.
Here we test that the two methods return the exact same value,
see:
https://github.com/giampaolo/psutil/issues/304.
"""
@classmethod
def setUpClass(cls):
cls.pid = spawn_testproc().pid
@classmethod
def tearDownClass(cls):
terminate(cls.pid)
def test_memory_info(self):
mem_1 = psutil.Process(self.pid).memory_info()
with mock.patch(
"psutil._psplatform.cext.proc_memory_info",
side_effect=OSError(errno.EPERM, "msg"),
) as fun:
mem_2 = psutil.Process(self.pid).memory_info()
assert len(mem_1) == len(mem_2)
for i in range(len(mem_1)):
assert mem_1[i] >= 0
assert mem_2[i] >= 0
assert abs(mem_1[i] - mem_2[i]) < 512
assert fun.called
def test_create_time(self):
ctime = psutil.Process(self.pid).create_time()
with mock.patch(
"psutil._psplatform.cext.proc_times",
side_effect=OSError(errno.EPERM, "msg"),
) as fun:
assert psutil.Process(self.pid).create_time() == ctime
assert fun.called
def test_cpu_times(self):
cpu_times_1 = psutil.Process(self.pid).cpu_times()
with mock.patch(
"psutil._psplatform.cext.proc_times",
side_effect=OSError(errno.EPERM, "msg"),
) as fun:
cpu_times_2 = psutil.Process(self.pid).cpu_times()
assert fun.called
assert abs(cpu_times_1.user - cpu_times_2.user) < 0.01
assert abs(cpu_times_1.system - cpu_times_2.system) < 0.01
def test_io_counters(self):
io_counters_1 = psutil.Process(self.pid).io_counters()
with mock.patch(
"psutil._psplatform.cext.proc_io_counters",
side_effect=OSError(errno.EPERM, "msg"),
) as fun:
io_counters_2 = psutil.Process(self.pid).io_counters()
for i in range(len(io_counters_1)):
assert abs(io_counters_1[i] - io_counters_2[i]) < 5
assert fun.called
def test_num_handles(self):
num_handles = psutil.Process(self.pid).num_handles()
with mock.patch(
"psutil._psplatform.cext.proc_num_handles",
side_effect=OSError(errno.EPERM, "msg"),
) as fun:
assert psutil.Process(self.pid).num_handles() == num_handles
assert fun.called
def test_cmdline(self):
for pid in psutil.pids():
try:
a = cext.proc_cmdline(pid, use_peb=True)
b = cext.proc_cmdline(pid, use_peb=False)
except OSError as err:
err = convert_oserror(err)
if not isinstance(
err, (psutil.AccessDenied, psutil.NoSuchProcess)
):
raise
else:
assert a == b
@pytest.mark.skipif(not WINDOWS, reason="WINDOWS only")
class RemoteProcessTestCase(PsutilTestCase):
"""Certain functions require calling ReadProcessMemory.
This trivially works when called on the current process.
Check that this works on other processes, especially when they
have a different bitness.
"""
@staticmethod
def find_other_interpreter():
# find a python interpreter that is of the opposite bitness from us
code = "import sys; sys.stdout.write(str(sys.maxsize > 2**32))"
# XXX: a different and probably more stable approach might be to access
# the registry but accessing 64 bit paths from a 32 bit process
for filename in glob.glob(r"C:\Python*\python.exe"):
proc = subprocess.Popen(
args=[filename, "-c", code],
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT,
)
output, _ = proc.communicate()
proc.wait()
if output == str(not IS_64BIT):
return filename
test_args = ["-c", "import sys; sys.stdin.read()"]
def setUp(self):
super().setUp()
other_python = self.find_other_interpreter()
if other_python is None:
raise pytest.skip(
"could not find interpreter with opposite bitness"
)
if IS_64BIT:
self.python64 = sys.executable
self.python32 = other_python
else:
self.python64 = other_python
self.python32 = sys.executable
env = os.environ.copy()
env["THINK_OF_A_NUMBER"] = str(os.getpid())
self.proc32 = self.spawn_testproc(
[self.python32] + self.test_args, env=env, stdin=subprocess.PIPE
)
self.proc64 = self.spawn_testproc(
[self.python64] + self.test_args, env=env, stdin=subprocess.PIPE
)
def tearDown(self):
super().tearDown()
self.proc32.communicate()
self.proc64.communicate()
def test_cmdline_32(self):
p = psutil.Process(self.proc32.pid)
assert len(p.cmdline()) == 3
assert p.cmdline()[1:] == self.test_args
def test_cmdline_64(self):
p = psutil.Process(self.proc64.pid)
assert len(p.cmdline()) == 3
assert p.cmdline()[1:] == self.test_args
def test_cwd_32(self):
p = psutil.Process(self.proc32.pid)
assert p.cwd() == os.getcwd()
def test_cwd_64(self):
p = psutil.Process(self.proc64.pid)
assert p.cwd() == os.getcwd()
def test_environ_32(self):
p = psutil.Process(self.proc32.pid)
e = p.environ()
assert "THINK_OF_A_NUMBER" in e
assert e["THINK_OF_A_NUMBER"] == str(os.getpid())
def test_environ_64(self):
p = psutil.Process(self.proc64.pid)
try:
p.environ()
except psutil.AccessDenied:
pass
# ===================================================================
# Windows services
# ===================================================================
@pytest.mark.skipif(not WINDOWS, reason="WINDOWS only")
class TestServices(PsutilTestCase):
def test_win_service_iter(self):
valid_statuses = set([
"running",
"paused",
"start",
"pause",
"continue",
"stop",
"stopped",
])
valid_start_types = set(["automatic", "manual", "disabled"])
valid_statuses = set([
"running",
"paused",
"start_pending",
"pause_pending",
"continue_pending",
"stop_pending",
"stopped",
])
for serv in psutil.win_service_iter():
data = serv.as_dict()
assert isinstance(data['name'], str)
assert data['name'].strip()
assert isinstance(data['display_name'], str)
assert isinstance(data['username'], str)
assert data['status'] in valid_statuses
if data['pid'] is not None:
psutil.Process(data['pid'])
assert isinstance(data['binpath'], str)
assert isinstance(data['username'], str)
assert isinstance(data['start_type'], str)
assert data['start_type'] in valid_start_types
assert data['status'] in valid_statuses
assert isinstance(data['description'], str)
pid = serv.pid()
if pid is not None:
p = psutil.Process(pid)
assert p.is_running()
# win_service_get
s = psutil.win_service_get(serv.name())
# test __eq__
assert serv == s
def test_win_service_get(self):
ERROR_SERVICE_DOES_NOT_EXIST = (
psutil._psplatform.cext.ERROR_SERVICE_DOES_NOT_EXIST
)
ERROR_ACCESS_DENIED = psutil._psplatform.cext.ERROR_ACCESS_DENIED
name = next(psutil.win_service_iter()).name()
with pytest.raises(psutil.NoSuchProcess) as cm:
psutil.win_service_get(name + '???')
assert cm.value.name == name + '???'
# test NoSuchProcess
service = psutil.win_service_get(name)
if PY3:
args = (0, "msg", 0, ERROR_SERVICE_DOES_NOT_EXIST)
else:
args = (ERROR_SERVICE_DOES_NOT_EXIST, "msg")
exc = WindowsError(*args)
with mock.patch(
"psutil._psplatform.cext.winservice_query_status", side_effect=exc
):
with pytest.raises(psutil.NoSuchProcess):
service.status()
with mock.patch(
"psutil._psplatform.cext.winservice_query_config", side_effect=exc
):
with pytest.raises(psutil.NoSuchProcess):
service.username()
# test AccessDenied
if PY3:
args = (0, "msg", 0, ERROR_ACCESS_DENIED)
else:
args = (ERROR_ACCESS_DENIED, "msg")
exc = WindowsError(*args)
with mock.patch(
"psutil._psplatform.cext.winservice_query_status", side_effect=exc
):
with pytest.raises(psutil.AccessDenied):
service.status()
with mock.patch(
"psutil._psplatform.cext.winservice_query_config", side_effect=exc
):
with pytest.raises(psutil.AccessDenied):
service.username()
# test __str__ and __repr__
assert service.name() in str(service)
assert service.display_name() in str(service)
assert service.name() in repr(service)
assert service.display_name() in repr(service)