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test_windows.py
# -*- 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 callable from psutil.tests import APPVEYOR from psutil.tests import get_test_subprocess from psutil.tests import HAS_BATTERY from psutil.tests import mock from psutil.tests import reap_children from psutil.tests import retry_before_failing from psutil.tests import run_test_module_by_name from psutil.tests import sh from psutil.tests import unittest with warnings.catch_warnings(): warnings.simplefilter("ignore") try: import win32api # requires "pip install pypiwin32" import win32con import win32process import wmi # requires "pip install wmi" / "make setup-dev-env" except ImportError: if os.name == 'nt': raise cext = psutil._psplatform.cext # are we a 64 bit process IS_64_BIT = sys.maxsize > 2**32 def wrap_exceptions(fun): def wrapper(self, *args, **kwargs): try: return fun(self, *args, **kwargs) except OSError as err: from psutil._pswindows import ACCESS_DENIED_SET if err.errno in ACCESS_DENIED_SET: raise psutil.AccessDenied(None, None) if err.errno == errno.ESRCH: raise psutil.NoSuchProcess(None, None) raise return wrapper # =================================================================== # System APIs # =================================================================== @unittest.skipIf(not WINDOWS, "WINDOWS only") class TestSystemAPIs(unittest.TestCase): 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: self.fail( "%r nic wasn't found in 'ipconfig /all' output" % nic) @unittest.skipIf('NUMBER_OF_PROCESSORS' not in os.environ, 'NUMBER_OF_PROCESSORS env var is not available') def test_cpu_count(self): num_cpus = int(os.environ['NUMBER_OF_PROCESSORS']) self.assertEqual(num_cpus, psutil.cpu_count()) def test_cpu_count_2(self): sys_value = win32api.GetSystemInfo()[5] psutil_value = psutil.cpu_count() self.assertEqual(sys_value, psutil_value) def test_cpu_freq(self): w = wmi.WMI() proc = w.Win32_Processor()[0] self.assertEqual(proc.CurrentClockSpeed, psutil.cpu_freq().current) self.assertEqual(proc.MaxClockSpeed, psutil.cpu_freq().max) def test_total_phymem(self): w = wmi.WMI().Win32_ComputerSystem()[0] self.assertEqual(int(w.TotalPhysicalMemory), psutil.virtual_memory().total) # @unittest.skipIf(wmi is None, "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 @unittest.skipIf(APPVEYOR, "test not relieable on appveyor") @retry_before_failing() 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()) self.assertEqual(wmi_pids, psutil_pids) @retry_before_failing() 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 try: usage = psutil.disk_usage(ps_part.mountpoint) except OSError as err: if err.errno == errno.ENOENT: # usually this is the floppy break else: raise self.assertEqual(usage.total, int(wmi_part.Size)) wmi_free = int(wmi_part.FreeSpace) self.assertEqual(usage.free, wmi_free) # 10 MB tollerance if abs(usage.free - wmi_free) > 10 * 1024 * 1024: self.fail("psutil=%s, wmi=%s" % ( usage.free, wmi_free)) break else: self.fail("can't find partition %s" % repr(ps_part)) def test_disk_usage(self): for disk in psutil.disk_partitions(): sys_value = win32api.GetDiskFreeSpaceEx(disk.mountpoint) psutil_value = psutil.disk_usage(disk.mountpoint) self.assertAlmostEqual(sys_value[0], psutil_value.free, delta=1024 * 1024) self.assertAlmostEqual(sys_value[1], psutil_value.total, delta=1024 * 1024) self.assertEqual(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)] self.assertEqual(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) self.assertTrue(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()) # Wmic time is 2-3 secs lower for some reason; that's OK. self.assertLessEqual(diff, 3) def test_boot_time_fluctuation(self): # https://github.com/giampaolo/psutil/issues/1007 with mock.patch('psutil._pswindows.cext.boot_time', return_value=5): self.assertEqual(psutil.boot_time(), 5) with mock.patch('psutil._pswindows.cext.boot_time', return_value=4): self.assertEqual(psutil.boot_time(), 5) with mock.patch('psutil._pswindows.cext.boot_time', return_value=6): self.assertEqual(psutil.boot_time(), 5) with mock.patch('psutil._pswindows.cext.boot_time', return_value=333): self.assertEqual(psutil.boot_time(), 333) # =================================================================== # sensors_battery() # =================================================================== @unittest.skipIf(not WINDOWS, "WINDOWS only") class TestSensorsBattery(unittest.TestCase): def test_has_battery(self): if win32api.GetPwrCapabilities()['SystemBatteriesPresent']: self.assertIsNotNone(psutil.sensors_battery()) else: self.assertIsNone(psutil.sensors_battery()) @unittest.skipIf(not HAS_BATTERY, "no battery") def test_percent(self): w = wmi.WMI() battery_wmi = w.query('select * from Win32_Battery')[0] battery_psutil = psutil.sensors_battery() self.assertAlmostEqual( battery_psutil.percent, battery_wmi.EstimatedChargeRemaining, delta=1) @unittest.skipIf(not HAS_BATTERY, "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 self.assertEqual(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: self.assertIsNone(psutil.sensors_battery()) 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: self.assertEqual(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: self.assertEqual(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: self.assertEqual(psutil.sensors_battery().secsleft, psutil.POWER_TIME_UNKNOWN) assert m.called # =================================================================== # Process APIs # =================================================================== @unittest.skipIf(not WINDOWS, "WINDOWS only") class TestProcess(unittest.TestCase): @classmethod def setUpClass(cls): cls.pid = get_test_subprocess().pid @classmethod def tearDownClass(cls): reap_children() def test_issue_24(self): p = psutil.Process(0) self.assertRaises(psutil.AccessDenied, p.kill) def test_special_pid(self): p = psutil.Process(4) self.assertEqual(p.name(), 'System') # use __str__ to access all common Process properties to check # that nothing strange happens str(p) p.username() self.assertTrue(p.create_time() >= 0.0) try: rss, vms = p.memory_info()[:2] except psutil.AccessDenied: # expected on Windows Vista and Windows 7 if not platform.uname()[1] in ('vista', 'win-7', 'win7'): raise else: self.assertTrue(rss > 0) def test_send_signal(self): p = psutil.Process(self.pid) self.assertRaises(ValueError, p.send_signal, signal.SIGINT) def test_exe(self): for p in psutil.process_iter(): try: self.assertEqual(os.path.basename(p.exe()), p.name()) except psutil.Error: pass 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() self.assertEqual(after, before + 1) win32api.CloseHandle(handle) self.assertEqual(p.num_handles(), before) def test_handles_leak(self): # Call all Process methods and make sure no handles are left # open. This is here mainly to make sure functions using # OpenProcess() always call CloseHandle(). def call(p, attr): attr = getattr(p, name, None) if attr is not None and callable(attr): attr() else: attr p = psutil.Process(self.pid) failures = [] for name in dir(psutil.Process): if name.startswith('_') \ or name in ('terminate', 'kill', 'suspend', 'resume', 'nice', 'send_signal', 'wait', 'children', 'as_dict', 'memory_info_ex'): continue else: try: call(p, name) num1 = p.num_handles() call(p, name) num2 = p.num_handles() except (psutil.NoSuchProcess, psutil.AccessDenied): pass else: if num2 > num1: fail = \ "failure while processing Process.%s method " \ "(before=%s, after=%s)" % (name, num1, num2) failures.append(fail) if failures: self.fail('\n' + '\n'.join(failures)) def test_name_always_available(self): # On Windows name() is never supposed to raise AccessDenied, # see https://github.com/giampaolo/psutil/issues/627 for p in psutil.process_iter(): try: p.name() except psutil.NoSuchProcess: pass @unittest.skipIf(not sys.version_info >= (2, 7), "CTRL_* signals not supported") def test_ctrl_signals(self): p = psutil.Process(get_test_subprocess().pid) p.send_signal(signal.CTRL_C_EVENT) p.send_signal(signal.CTRL_BREAK_EVENT) p.kill() p.wait() self.assertRaises(psutil.NoSuchProcess, p.send_signal, signal.CTRL_C_EVENT) self.assertRaises(psutil.NoSuchProcess, p.send_signal, signal.CTRL_BREAK_EVENT) def test_compare_name_exe(self): for p in psutil.process_iter(): try: a = os.path.basename(p.exe()) b = p.name() except (psutil.NoSuchProcess, psutil.AccessDenied): pass else: self.assertEqual(a, b) def test_username(self): self.assertEqual(psutil.Process().username(), win32api.GetUserNameEx(win32con.NameSamCompatible)) def test_cmdline(self): sys_value = re.sub(' +', ' ', win32api.GetCommandLine()).strip() psutil_value = ' '.join(psutil.Process().cmdline()) self.assertEqual(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() self.assertEqual(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() self.assertEqual( sys_value['PeakWorkingSetSize'], psutil_value.peak_wset) self.assertEqual( sys_value['WorkingSetSize'], psutil_value.wset) self.assertEqual( sys_value['QuotaPeakPagedPoolUsage'], psutil_value.peak_paged_pool) self.assertEqual( sys_value['QuotaPagedPoolUsage'], psutil_value.paged_pool) self.assertEqual( sys_value['QuotaPeakNonPagedPoolUsage'], psutil_value.peak_nonpaged_pool) self.assertEqual( sys_value['QuotaNonPagedPoolUsage'], psutil_value.nonpaged_pool) self.assertEqual( sys_value['PagefileUsage'], psutil_value.pagefile) self.assertEqual( sys_value['PeakPagefileUsage'], psutil_value.peak_pagefile) self.assertEqual(psutil_value.rss, psutil_value.wset) self.assertEqual(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) self.assertEqual(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() self.assertEqual(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() self.assertEqual( psutil_value.read_count, sys_value['ReadOperationCount']) self.assertEqual( psutil_value.write_count, sys_value['WriteOperationCount']) self.assertEqual( psutil_value.read_bytes, sys_value['ReadTransferCount']) self.assertEqual( psutil_value.write_bytes, sys_value['WriteTransferCount']) self.assertEqual( psutil_value.other_count, sys_value['OtherOperationCount']) self.assertEqual( 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, os.getpid()) 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().num_handles() ctypes.windll.kernel32.CloseHandle(handle) self.assertEqual(psutil_value, sys_value + 1) @unittest.skipIf(not WINDOWS, "WINDOWS only") class TestProcessWMI(unittest.TestCase): """Compare Process API results with WMI.""" @classmethod def setUpClass(cls): cls.pid = get_test_subprocess().pid @classmethod def tearDownClass(cls): reap_children() def test_name(self): w = wmi.WMI().Win32_Process(ProcessId=self.pid)[0] p = psutil.Process(self.pid) self.assertEqual(p.name(), w.Caption) 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. self.assertEqual(p.exe().lower(), w.ExecutablePath.lower()) def test_cmdline(self): w = wmi.WMI().Win32_Process(ProcessId=self.pid)[0] p = psutil.Process(self.pid) self.assertEqual(' '.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) self.assertEqual(p.username(), username) def test_memory_rss(self): time.sleep(0.1) w = wmi.WMI().Win32_Process(ProcessId=self.pid)[0] p = psutil.Process(self.pid) rss = p.memory_info().rss self.assertEqual(rss, int(w.WorkingSetSize)) def test_memory_vms(self): time.sleep(0.1) 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 != wmi_usage) and (vms != wmi_usage * 1024): 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())) self.assertEqual(wmic_create, psutil_create) @unittest.skipIf(not WINDOWS, "WINDOWS only") class TestDualProcessImplementation(unittest.TestCase): """ 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 = get_test_subprocess().pid @classmethod def tearDownClass(cls): reap_children() # --- # same tests as above but mimicks the AccessDenied failure of # the first (fast) method failing with AD. def test_name(self): name = psutil.Process(self.pid).name() with mock.patch("psutil._psplatform.cext.proc_exe", side_effect=psutil.AccessDenied(os.getpid())) as fun: self.assertEqual(psutil.Process(self.pid).name(), name) assert fun.called 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() self.assertEqual(len(mem_1), len(mem_2)) for i in range(len(mem_1)): self.assertGreaterEqual(mem_1[i], 0) self.assertGreaterEqual(mem_2[i], 0) self.assertAlmostEqual(mem_1[i], mem_2[i], delta=512) assert fun.called def test_create_time(self): ctime = psutil.Process(self.pid).create_time() with mock.patch("psutil._psplatform.cext.proc_create_time", side_effect=OSError(errno.EPERM, "msg")) as fun: self.assertEqual(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_cpu_times", side_effect=OSError(errno.EPERM, "msg")) as fun: cpu_times_2 = psutil.Process(self.pid).cpu_times() assert fun.called self.assertAlmostEqual( cpu_times_1.user, cpu_times_2.user, delta=0.01) self.assertAlmostEqual( cpu_times_1.system, cpu_times_2.system, delta=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)): self.assertAlmostEqual( io_counters_1[i], io_counters_2[i], delta=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: self.assertEqual(psutil.Process(self.pid).num_handles(), num_handles) assert fun.called @unittest.skipIf(not WINDOWS, "WINDOWS only") class RemoteProcessTestCase(unittest.TestCase): """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() if output == str(not IS_64_BIT): return filename @classmethod def setUpClass(cls): other_python = cls.find_other_interpreter() if other_python is None: raise unittest.SkipTest( "could not find interpreter with opposite bitness") if IS_64_BIT: cls.python64 = sys.executable cls.python32 = other_python else: cls.python64 = other_python cls.python32 = sys.executable test_args = ["-c", "import sys; sys.stdin.read()"] def setUp(self): env = os.environ.copy() env["THINK_OF_A_NUMBER"] = str(os.getpid()) self.proc32 = get_test_subprocess([self.python32] + self.test_args, env=env, stdin=subprocess.PIPE) self.proc64 = get_test_subprocess([self.python64] + self.test_args, env=env, stdin=subprocess.PIPE) def tearDown(self): self.proc32.communicate() self.proc64.communicate() reap_children() @classmethod def tearDownClass(cls): reap_children() def test_cmdline_32(self): p = psutil.Process(self.proc32.pid) self.assertEqual(len(p.cmdline()), 3) self.assertEqual(p.cmdline()[1:], self.test_args) def test_cmdline_64(self): p = psutil.Process(self.proc64.pid) self.assertEqual(len(p.cmdline()), 3) self.assertEqual(p.cmdline()[1:], self.test_args) def test_cwd_32(self): p = psutil.Process(self.proc32.pid) self.assertEqual(p.cwd(), os.getcwd()) def test_cwd_64(self): p = psutil.Process(self.proc64.pid) self.assertEqual(p.cwd(), os.getcwd()) def test_environ_32(self): p = psutil.Process(self.proc32.pid) e = p.environ() self.assertIn("THINK_OF_A_NUMBER", e) self.assertEquals(e["THINK_OF_A_NUMBER"], str(os.getpid())) def test_environ_64(self): p = psutil.Process(self.proc64.pid) e = p.environ() self.assertIn("THINK_OF_A_NUMBER", e) self.assertEquals(e["THINK_OF_A_NUMBER"], str(os.getpid())) # =================================================================== # Windows services # =================================================================== @unittest.skipIf(not WINDOWS, "WINDOWS only") class TestServices(unittest.TestCase): 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() self.assertIsInstance(data['name'], str) self.assertNotEqual(data['name'].strip(), "") self.assertIsInstance(data['display_name'], str) self.assertIsInstance(data['username'], str) self.assertIn(data['status'], valid_statuses) if data['pid'] is not None: psutil.Process(data['pid']) self.assertIsInstance(data['binpath'], str) self.assertIsInstance(data['username'], str) self.assertIsInstance(data['start_type'], str) self.assertIn(data['start_type'], valid_start_types) self.assertIn(data['status'], valid_statuses) self.assertIsInstance(data['description'], str) pid = serv.pid() if pid is not None: p = psutil.Process(pid) self.assertTrue(p.is_running()) # win_service_get s = psutil.win_service_get(serv.name()) # test __eq__ self.assertEqual(serv, s) def test_win_service_get(self): name = next(psutil.win_service_iter()).name() with self.assertRaises(psutil.NoSuchProcess) as cm: psutil.win_service_get(name + '???') self.assertEqual(cm.exception.name, name + '???') # test NoSuchProcess service = psutil.win_service_get(name) exc = WindowsError( psutil._psplatform.cext.ERROR_SERVICE_DOES_NOT_EXIST, "") with mock.patch("psutil._psplatform.cext.winservice_query_status", side_effect=exc): self.assertRaises(psutil.NoSuchProcess, service.status) with mock.patch("psutil._psplatform.cext.winservice_query_config", side_effect=exc): self.assertRaises(psutil.NoSuchProcess, service.username) # test AccessDenied exc = WindowsError( psutil._psplatform.cext.ERROR_ACCESS_DENIED, "") with mock.patch("psutil._psplatform.cext.winservice_query_status", side_effect=exc): self.assertRaises(psutil.AccessDenied, service.status) with mock.patch("psutil._psplatform.cext.winservice_query_config", side_effect=exc): self.assertRaises(psutil.AccessDenied, service.username) # test __str__ and __repr__ self.assertIn(service.name(), str(service)) self.assertIn(service.display_name(), str(service)) self.assertIn(service.name(), repr(service)) self.assertIn(service.display_name(), repr(service)) if __name__ == '__main__': run_test_module_by_name(__file__)