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annotate planemo/lib/python3.7/site-packages/psutil/tests/test_windows.py @ 1:56ad4e20f292 draft

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"planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
author guerler
date Fri, 31 Jul 2020 00:32:28 -0400
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1
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1 #!/usr/bin/env python3
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2 # -*- coding: UTF-8 -*
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3
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4 # Copyright (c) 2009, Giampaolo Rodola'. All rights reserved.
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5 # Use of this source code is governed by a BSD-style license that can be
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6 # found in the LICENSE file.
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7
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8 """Windows specific tests."""
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9
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10 import datetime
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11 import errno
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12 import glob
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13 import os
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14 import platform
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15 import re
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16 import signal
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17 import subprocess
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18 import sys
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19 import time
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20 import warnings
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21
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22 import psutil
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23 from psutil import WINDOWS
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24 from psutil._compat import FileNotFoundError
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25 from psutil._compat import super
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26 from psutil.tests import APPVEYOR
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27 from psutil.tests import GITHUB_WHEELS
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28 from psutil.tests import HAS_BATTERY
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29 from psutil.tests import IS_64BIT
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30 from psutil.tests import mock
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31 from psutil.tests import PsutilTestCase
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32 from psutil.tests import PY3
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33 from psutil.tests import PYPY
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34 from psutil.tests import retry_on_failure
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35 from psutil.tests import sh
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36 from psutil.tests import spawn_testproc
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37 from psutil.tests import terminate
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38 from psutil.tests import TOLERANCE_DISK_USAGE
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39 from psutil.tests import unittest
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40
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41
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42 if WINDOWS and not PYPY:
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43 with warnings.catch_warnings():
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44 warnings.simplefilter("ignore")
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45 import win32api # requires "pip install pywin32"
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46 import win32con
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47 import win32process
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48 import wmi # requires "pip install wmi" / "make setup-dev-env"
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49
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50
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51 cext = psutil._psplatform.cext
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52
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53
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54 def wrap_exceptions(fun):
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55 def wrapper(self, *args, **kwargs):
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56 try:
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57 return fun(self, *args, **kwargs)
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58 except OSError as err:
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59 from psutil._pswindows import ACCESS_DENIED_SET
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60 if err.errno in ACCESS_DENIED_SET:
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61 raise psutil.AccessDenied(None, None)
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62 if err.errno == errno.ESRCH:
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63 raise psutil.NoSuchProcess(None, None)
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64 raise
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65 return wrapper
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66
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67
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68 @unittest.skipIf(not WINDOWS, "WINDOWS only")
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69 @unittest.skipIf(PYPY, "pywin32 not available on PYPY")
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70 # https://github.com/giampaolo/psutil/pull/1762#issuecomment-632892692
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71 @unittest.skipIf(GITHUB_WHEELS and (not PY3 or not IS_64BIT),
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72 "pywin32 broken on GITHUB + PY2")
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73 class WindowsTestCase(PsutilTestCase):
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74 pass
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75
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76
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77 # ===================================================================
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78 # System APIs
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79 # ===================================================================
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80
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81
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82 class TestCpuAPIs(WindowsTestCase):
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83
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84 @unittest.skipIf('NUMBER_OF_PROCESSORS' not in os.environ,
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85 'NUMBER_OF_PROCESSORS env var is not available')
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86 def test_cpu_count_vs_NUMBER_OF_PROCESSORS(self):
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87 # Will likely fail on many-cores systems:
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88 # https://stackoverflow.com/questions/31209256
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89 num_cpus = int(os.environ['NUMBER_OF_PROCESSORS'])
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90 self.assertEqual(num_cpus, psutil.cpu_count())
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91
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92 def test_cpu_count_vs_GetSystemInfo(self):
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93 # Will likely fail on many-cores systems:
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94 # https://stackoverflow.com/questions/31209256
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95 sys_value = win32api.GetSystemInfo()[5]
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96 psutil_value = psutil.cpu_count()
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97 self.assertEqual(sys_value, psutil_value)
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98
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99 def test_cpu_count_logical_vs_wmi(self):
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100 w = wmi.WMI()
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101 proc = w.Win32_Processor()[0]
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102 self.assertEqual(psutil.cpu_count(), proc.NumberOfLogicalProcessors)
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103
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104 def test_cpu_count_phys_vs_wmi(self):
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105 w = wmi.WMI()
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106 proc = w.Win32_Processor()[0]
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107 self.assertEqual(psutil.cpu_count(logical=False), proc.NumberOfCores)
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108
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109 def test_cpu_count_vs_cpu_times(self):
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110 self.assertEqual(psutil.cpu_count(),
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111 len(psutil.cpu_times(percpu=True)))
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112
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113 def test_cpu_freq(self):
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114 w = wmi.WMI()
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115 proc = w.Win32_Processor()[0]
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116 self.assertEqual(proc.CurrentClockSpeed, psutil.cpu_freq().current)
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117 self.assertEqual(proc.MaxClockSpeed, psutil.cpu_freq().max)
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118
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119
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120 class TestSystemAPIs(WindowsTestCase):
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121
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122 def test_nic_names(self):
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123 out = sh('ipconfig /all')
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124 nics = psutil.net_io_counters(pernic=True).keys()
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125 for nic in nics:
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126 if "pseudo-interface" in nic.replace(' ', '-').lower():
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127 continue
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128 if nic not in out:
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129 self.fail(
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130 "%r nic wasn't found in 'ipconfig /all' output" % nic)
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131
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132 def test_total_phymem(self):
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133 w = wmi.WMI().Win32_ComputerSystem()[0]
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134 self.assertEqual(int(w.TotalPhysicalMemory),
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135 psutil.virtual_memory().total)
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136
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137 # @unittest.skipIf(wmi is None, "wmi module is not installed")
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138 # def test__UPTIME(self):
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139 # # _UPTIME constant is not public but it is used internally
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140 # # as value to return for pid 0 creation time.
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141 # # WMI behaves the same.
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142 # w = wmi.WMI().Win32_Process(ProcessId=self.pid)[0]
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143 # p = psutil.Process(0)
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144 # wmic_create = str(w.CreationDate.split('.')[0])
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145 # psutil_create = time.strftime("%Y%m%d%H%M%S",
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146 # time.localtime(p.create_time()))
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147
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148 # Note: this test is not very reliable
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149 @unittest.skipIf(APPVEYOR, "test not relieable on appveyor")
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150 @retry_on_failure()
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151 def test_pids(self):
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152 # Note: this test might fail if the OS is starting/killing
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153 # other processes in the meantime
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154 w = wmi.WMI().Win32_Process()
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155 wmi_pids = set([x.ProcessId for x in w])
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156 psutil_pids = set(psutil.pids())
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157 self.assertEqual(wmi_pids, psutil_pids)
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158
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159 @retry_on_failure()
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160 def test_disks(self):
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161 ps_parts = psutil.disk_partitions(all=True)
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162 wmi_parts = wmi.WMI().Win32_LogicalDisk()
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163 for ps_part in ps_parts:
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164 for wmi_part in wmi_parts:
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165 if ps_part.device.replace('\\', '') == wmi_part.DeviceID:
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166 if not ps_part.mountpoint:
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167 # this is usually a CD-ROM with no disk inserted
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168 break
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169 if 'cdrom' in ps_part.opts:
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170 break
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171 if ps_part.mountpoint.startswith('A:'):
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172 break # floppy
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173 try:
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174 usage = psutil.disk_usage(ps_part.mountpoint)
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175 except FileNotFoundError:
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176 # usually this is the floppy
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177 break
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178 self.assertEqual(usage.total, int(wmi_part.Size))
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179 wmi_free = int(wmi_part.FreeSpace)
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180 self.assertEqual(usage.free, wmi_free)
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181 # 10 MB tollerance
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182 if abs(usage.free - wmi_free) > 10 * 1024 * 1024:
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183 self.fail("psutil=%s, wmi=%s" % (
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184 usage.free, wmi_free))
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185 break
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186 else:
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187 self.fail("can't find partition %s" % repr(ps_part))
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188
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189 @retry_on_failure()
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190 def test_disk_usage(self):
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191 for disk in psutil.disk_partitions():
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192 if 'cdrom' in disk.opts:
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193 continue
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194 sys_value = win32api.GetDiskFreeSpaceEx(disk.mountpoint)
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195 psutil_value = psutil.disk_usage(disk.mountpoint)
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196 self.assertAlmostEqual(sys_value[0], psutil_value.free,
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197 delta=TOLERANCE_DISK_USAGE)
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198 self.assertAlmostEqual(sys_value[1], psutil_value.total,
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199 delta=TOLERANCE_DISK_USAGE)
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200 self.assertEqual(psutil_value.used,
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201 psutil_value.total - psutil_value.free)
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202
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203 def test_disk_partitions(self):
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204 sys_value = [
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205 x + '\\' for x in win32api.GetLogicalDriveStrings().split("\\\x00")
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206 if x and not x.startswith('A:')]
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207 psutil_value = [x.mountpoint for x in psutil.disk_partitions(all=True)
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208 if not x.mountpoint.startswith('A:')]
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209 self.assertEqual(sys_value, psutil_value)
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210
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211 def test_net_if_stats(self):
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212 ps_names = set(cext.net_if_stats())
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213 wmi_adapters = wmi.WMI().Win32_NetworkAdapter()
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214 wmi_names = set()
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215 for wmi_adapter in wmi_adapters:
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216 wmi_names.add(wmi_adapter.Name)
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217 wmi_names.add(wmi_adapter.NetConnectionID)
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218 self.assertTrue(ps_names & wmi_names,
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219 "no common entries in %s, %s" % (ps_names, wmi_names))
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220
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221 def test_boot_time(self):
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222 wmi_os = wmi.WMI().Win32_OperatingSystem()
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223 wmi_btime_str = wmi_os[0].LastBootUpTime.split('.')[0]
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224 wmi_btime_dt = datetime.datetime.strptime(
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225 wmi_btime_str, "%Y%m%d%H%M%S")
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226 psutil_dt = datetime.datetime.fromtimestamp(psutil.boot_time())
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227 diff = abs((wmi_btime_dt - psutil_dt).total_seconds())
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228 self.assertLessEqual(diff, 3)
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229
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230 def test_boot_time_fluctuation(self):
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231 # https://github.com/giampaolo/psutil/issues/1007
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232 with mock.patch('psutil._pswindows.cext.boot_time', return_value=5):
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233 self.assertEqual(psutil.boot_time(), 5)
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234 with mock.patch('psutil._pswindows.cext.boot_time', return_value=4):
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235 self.assertEqual(psutil.boot_time(), 5)
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236 with mock.patch('psutil._pswindows.cext.boot_time', return_value=6):
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237 self.assertEqual(psutil.boot_time(), 5)
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238 with mock.patch('psutil._pswindows.cext.boot_time', return_value=333):
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239 self.assertEqual(psutil.boot_time(), 333)
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240
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241
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242 # ===================================================================
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243 # sensors_battery()
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244 # ===================================================================
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245
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246
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247 class TestSensorsBattery(WindowsTestCase):
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248
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249 def test_has_battery(self):
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250 if win32api.GetPwrCapabilities()['SystemBatteriesPresent']:
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251 self.assertIsNotNone(psutil.sensors_battery())
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252 else:
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253 self.assertIsNone(psutil.sensors_battery())
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254
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255 @unittest.skipIf(not HAS_BATTERY, "no battery")
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256 def test_percent(self):
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257 w = wmi.WMI()
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258 battery_wmi = w.query('select * from Win32_Battery')[0]
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259 battery_psutil = psutil.sensors_battery()
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260 self.assertAlmostEqual(
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261 battery_psutil.percent, battery_wmi.EstimatedChargeRemaining,
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262 delta=1)
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263
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264 @unittest.skipIf(not HAS_BATTERY, "no battery")
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265 def test_power_plugged(self):
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266 w = wmi.WMI()
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267 battery_wmi = w.query('select * from Win32_Battery')[0]
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268 battery_psutil = psutil.sensors_battery()
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269 # Status codes:
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270 # https://msdn.microsoft.com/en-us/library/aa394074(v=vs.85).aspx
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271 self.assertEqual(battery_psutil.power_plugged,
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272 battery_wmi.BatteryStatus == 2)
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273
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274 def test_emulate_no_battery(self):
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275 with mock.patch("psutil._pswindows.cext.sensors_battery",
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276 return_value=(0, 128, 0, 0)) as m:
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277 self.assertIsNone(psutil.sensors_battery())
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278 assert m.called
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279
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280 def test_emulate_power_connected(self):
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281 with mock.patch("psutil._pswindows.cext.sensors_battery",
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282 return_value=(1, 0, 0, 0)) as m:
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283 self.assertEqual(psutil.sensors_battery().secsleft,
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284 psutil.POWER_TIME_UNLIMITED)
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285 assert m.called
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286
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287 def test_emulate_power_charging(self):
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288 with mock.patch("psutil._pswindows.cext.sensors_battery",
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289 return_value=(0, 8, 0, 0)) as m:
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290 self.assertEqual(psutil.sensors_battery().secsleft,
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291 psutil.POWER_TIME_UNLIMITED)
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292 assert m.called
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293
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294 def test_emulate_secs_left_unknown(self):
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295 with mock.patch("psutil._pswindows.cext.sensors_battery",
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296 return_value=(0, 0, 0, -1)) as m:
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297 self.assertEqual(psutil.sensors_battery().secsleft,
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298 psutil.POWER_TIME_UNKNOWN)
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299 assert m.called
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300
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301
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302 # ===================================================================
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303 # Process APIs
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304 # ===================================================================
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305
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306
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307 class TestProcess(WindowsTestCase):
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308
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309 @classmethod
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310 def setUpClass(cls):
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311 cls.pid = spawn_testproc().pid
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312
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313 @classmethod
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314 def tearDownClass(cls):
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315 terminate(cls.pid)
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316
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317 def test_issue_24(self):
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318 p = psutil.Process(0)
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319 self.assertRaises(psutil.AccessDenied, p.kill)
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320
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321 def test_special_pid(self):
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322 p = psutil.Process(4)
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323 self.assertEqual(p.name(), 'System')
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324 # use __str__ to access all common Process properties to check
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325 # that nothing strange happens
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326 str(p)
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327 p.username()
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328 self.assertTrue(p.create_time() >= 0.0)
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329 try:
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330 rss, vms = p.memory_info()[:2]
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331 except psutil.AccessDenied:
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332 # expected on Windows Vista and Windows 7
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333 if not platform.uname()[1] in ('vista', 'win-7', 'win7'):
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334 raise
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335 else:
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336 self.assertTrue(rss > 0)
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337
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338 def test_send_signal(self):
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339 p = psutil.Process(self.pid)
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340 self.assertRaises(ValueError, p.send_signal, signal.SIGINT)
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341
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342 def test_num_handles_increment(self):
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343 p = psutil.Process(os.getpid())
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344 before = p.num_handles()
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345 handle = win32api.OpenProcess(win32con.PROCESS_QUERY_INFORMATION,
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346 win32con.FALSE, os.getpid())
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347 after = p.num_handles()
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348 self.assertEqual(after, before + 1)
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349 win32api.CloseHandle(handle)
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350 self.assertEqual(p.num_handles(), before)
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351
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352 @unittest.skipIf(not sys.version_info >= (2, 7),
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353 "CTRL_* signals not supported")
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354 def test_ctrl_signals(self):
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355 p = psutil.Process(self.spawn_testproc().pid)
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356 p.send_signal(signal.CTRL_C_EVENT)
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357 p.send_signal(signal.CTRL_BREAK_EVENT)
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358 p.kill()
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359 p.wait()
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360 self.assertRaises(psutil.NoSuchProcess,
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361 p.send_signal, signal.CTRL_C_EVENT)
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362 self.assertRaises(psutil.NoSuchProcess,
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363 p.send_signal, signal.CTRL_BREAK_EVENT)
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364
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365 def test_username(self):
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366 self.assertEqual(psutil.Process().username(),
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367 win32api.GetUserNameEx(win32con.NameSamCompatible))
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368
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369 def test_cmdline(self):
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370 sys_value = re.sub(' +', ' ', win32api.GetCommandLine()).strip()
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371 psutil_value = ' '.join(psutil.Process().cmdline())
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372 self.assertEqual(sys_value, psutil_value)
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373
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374 # XXX - occasional failures
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375
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376 # def test_cpu_times(self):
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377 # handle = win32api.OpenProcess(win32con.PROCESS_QUERY_INFORMATION,
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378 # win32con.FALSE, os.getpid())
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379 # self.addCleanup(win32api.CloseHandle, handle)
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380 # sys_value = win32process.GetProcessTimes(handle)
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381 # psutil_value = psutil.Process().cpu_times()
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382 # self.assertAlmostEqual(
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383 # psutil_value.user, sys_value['UserTime'] / 10000000.0,
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384 # delta=0.2)
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385 # self.assertAlmostEqual(
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386 # psutil_value.user, sys_value['KernelTime'] / 10000000.0,
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387 # delta=0.2)
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388
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389 def test_nice(self):
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390 handle = win32api.OpenProcess(win32con.PROCESS_QUERY_INFORMATION,
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391 win32con.FALSE, os.getpid())
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392 self.addCleanup(win32api.CloseHandle, handle)
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393 sys_value = win32process.GetPriorityClass(handle)
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394 psutil_value = psutil.Process().nice()
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395 self.assertEqual(psutil_value, sys_value)
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396
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397 def test_memory_info(self):
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398 handle = win32api.OpenProcess(win32con.PROCESS_QUERY_INFORMATION,
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399 win32con.FALSE, self.pid)
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400 self.addCleanup(win32api.CloseHandle, handle)
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401 sys_value = win32process.GetProcessMemoryInfo(handle)
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402 psutil_value = psutil.Process(self.pid).memory_info()
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403 self.assertEqual(
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404 sys_value['PeakWorkingSetSize'], psutil_value.peak_wset)
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405 self.assertEqual(
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406 sys_value['WorkingSetSize'], psutil_value.wset)
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407 self.assertEqual(
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408 sys_value['QuotaPeakPagedPoolUsage'], psutil_value.peak_paged_pool)
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409 self.assertEqual(
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410 sys_value['QuotaPagedPoolUsage'], psutil_value.paged_pool)
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411 self.assertEqual(
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412 sys_value['QuotaPeakNonPagedPoolUsage'],
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413 psutil_value.peak_nonpaged_pool)
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414 self.assertEqual(
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415 sys_value['QuotaNonPagedPoolUsage'], psutil_value.nonpaged_pool)
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416 self.assertEqual(
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417 sys_value['PagefileUsage'], psutil_value.pagefile)
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418 self.assertEqual(
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419 sys_value['PeakPagefileUsage'], psutil_value.peak_pagefile)
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420
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421 self.assertEqual(psutil_value.rss, psutil_value.wset)
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422 self.assertEqual(psutil_value.vms, psutil_value.pagefile)
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423
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424 def test_wait(self):
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425 handle = win32api.OpenProcess(win32con.PROCESS_QUERY_INFORMATION,
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426 win32con.FALSE, self.pid)
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427 self.addCleanup(win32api.CloseHandle, handle)
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428 p = psutil.Process(self.pid)
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429 p.terminate()
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430 psutil_value = p.wait()
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431 sys_value = win32process.GetExitCodeProcess(handle)
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432 self.assertEqual(psutil_value, sys_value)
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433
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434 def test_cpu_affinity(self):
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435 def from_bitmask(x):
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436 return [i for i in range(64) if (1 << i) & x]
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437
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438 handle = win32api.OpenProcess(win32con.PROCESS_QUERY_INFORMATION,
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439 win32con.FALSE, self.pid)
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440 self.addCleanup(win32api.CloseHandle, handle)
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441 sys_value = from_bitmask(
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442 win32process.GetProcessAffinityMask(handle)[0])
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443 psutil_value = psutil.Process(self.pid).cpu_affinity()
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444 self.assertEqual(psutil_value, sys_value)
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445
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446 def test_io_counters(self):
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447 handle = win32api.OpenProcess(win32con.PROCESS_QUERY_INFORMATION,
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448 win32con.FALSE, os.getpid())
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449 self.addCleanup(win32api.CloseHandle, handle)
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450 sys_value = win32process.GetProcessIoCounters(handle)
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451 psutil_value = psutil.Process().io_counters()
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452 self.assertEqual(
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453 psutil_value.read_count, sys_value['ReadOperationCount'])
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454 self.assertEqual(
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455 psutil_value.write_count, sys_value['WriteOperationCount'])
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456 self.assertEqual(
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457 psutil_value.read_bytes, sys_value['ReadTransferCount'])
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458 self.assertEqual(
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459 psutil_value.write_bytes, sys_value['WriteTransferCount'])
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460 self.assertEqual(
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461 psutil_value.other_count, sys_value['OtherOperationCount'])
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462 self.assertEqual(
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463 psutil_value.other_bytes, sys_value['OtherTransferCount'])
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464
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465 def test_num_handles(self):
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466 import ctypes
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467 import ctypes.wintypes
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468 PROCESS_QUERY_INFORMATION = 0x400
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469 handle = ctypes.windll.kernel32.OpenProcess(
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470 PROCESS_QUERY_INFORMATION, 0, self.pid)
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471 self.addCleanup(ctypes.windll.kernel32.CloseHandle, handle)
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472
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473 hndcnt = ctypes.wintypes.DWORD()
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474 ctypes.windll.kernel32.GetProcessHandleCount(
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475 handle, ctypes.byref(hndcnt))
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476 sys_value = hndcnt.value
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477 psutil_value = psutil.Process(self.pid).num_handles()
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478 self.assertEqual(psutil_value, sys_value)
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479
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480 def test_error_partial_copy(self):
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481 # https://github.com/giampaolo/psutil/issues/875
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482 exc = WindowsError()
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483 exc.winerror = 299
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484 with mock.patch("psutil._psplatform.cext.proc_cwd", side_effect=exc):
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485 with mock.patch("time.sleep") as m:
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486 p = psutil.Process()
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487 self.assertRaises(psutil.AccessDenied, p.cwd)
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488 self.assertGreaterEqual(m.call_count, 5)
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489
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490 def test_exe(self):
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491 # NtQuerySystemInformation succeeds if process is gone. Make sure
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492 # it raises NSP for a non existent pid.
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493 pid = psutil.pids()[-1] + 99999
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494 proc = psutil._psplatform.Process(pid)
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495 self.assertRaises(psutil.NoSuchProcess, proc.exe)
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496
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497
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498 class TestProcessWMI(WindowsTestCase):
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499 """Compare Process API results with WMI."""
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500
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501 @classmethod
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502 def setUpClass(cls):
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503 cls.pid = spawn_testproc().pid
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504
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505 @classmethod
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506 def tearDownClass(cls):
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507 terminate(cls.pid)
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508
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509 def test_name(self):
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510 w = wmi.WMI().Win32_Process(ProcessId=self.pid)[0]
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511 p = psutil.Process(self.pid)
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512 self.assertEqual(p.name(), w.Caption)
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513
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514 # This fail on github because using virtualenv for test environment
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515 @unittest.skipIf(GITHUB_WHEELS, "unreliable path on GITHUB_WHEELS")
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516 def test_exe(self):
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517 w = wmi.WMI().Win32_Process(ProcessId=self.pid)[0]
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518 p = psutil.Process(self.pid)
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519 # Note: wmi reports the exe as a lower case string.
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520 # Being Windows paths case-insensitive we ignore that.
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521 self.assertEqual(p.exe().lower(), w.ExecutablePath.lower())
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522
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523 def test_cmdline(self):
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524 w = wmi.WMI().Win32_Process(ProcessId=self.pid)[0]
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525 p = psutil.Process(self.pid)
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526 self.assertEqual(' '.join(p.cmdline()),
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527 w.CommandLine.replace('"', ''))
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528
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529 def test_username(self):
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530 w = wmi.WMI().Win32_Process(ProcessId=self.pid)[0]
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531 p = psutil.Process(self.pid)
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532 domain, _, username = w.GetOwner()
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533 username = "%s\\%s" % (domain, username)
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534 self.assertEqual(p.username(), username)
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535
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536 @retry_on_failure()
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537 def test_memory_rss(self):
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538 w = wmi.WMI().Win32_Process(ProcessId=self.pid)[0]
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539 p = psutil.Process(self.pid)
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540 rss = p.memory_info().rss
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541 self.assertEqual(rss, int(w.WorkingSetSize))
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542
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543 @retry_on_failure()
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544 def test_memory_vms(self):
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545 w = wmi.WMI().Win32_Process(ProcessId=self.pid)[0]
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546 p = psutil.Process(self.pid)
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547 vms = p.memory_info().vms
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548 # http://msdn.microsoft.com/en-us/library/aa394372(VS.85).aspx
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549 # ...claims that PageFileUsage is represented in Kilo
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550 # bytes but funnily enough on certain platforms bytes are
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551 # returned instead.
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552 wmi_usage = int(w.PageFileUsage)
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553 if (vms != wmi_usage) and (vms != wmi_usage * 1024):
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554 self.fail("wmi=%s, psutil=%s" % (wmi_usage, vms))
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555
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556 def test_create_time(self):
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557 w = wmi.WMI().Win32_Process(ProcessId=self.pid)[0]
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558 p = psutil.Process(self.pid)
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559 wmic_create = str(w.CreationDate.split('.')[0])
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560 psutil_create = time.strftime("%Y%m%d%H%M%S",
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561 time.localtime(p.create_time()))
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562 self.assertEqual(wmic_create, psutil_create)
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563
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564
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565 # ---
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566
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567
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568 @unittest.skipIf(not WINDOWS, "WINDOWS only")
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569 class TestDualProcessImplementation(PsutilTestCase):
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570 """
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571 Certain APIs on Windows have 2 internal implementations, one
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572 based on documented Windows APIs, another one based
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573 NtQuerySystemInformation() which gets called as fallback in
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574 case the first fails because of limited permission error.
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575 Here we test that the two methods return the exact same value,
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576 see:
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577 https://github.com/giampaolo/psutil/issues/304
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578 """
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579
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580 @classmethod
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581 def setUpClass(cls):
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582 cls.pid = spawn_testproc().pid
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583
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584 @classmethod
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585 def tearDownClass(cls):
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586 terminate(cls.pid)
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587
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588 def test_memory_info(self):
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589 mem_1 = psutil.Process(self.pid).memory_info()
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590 with mock.patch("psutil._psplatform.cext.proc_memory_info",
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591 side_effect=OSError(errno.EPERM, "msg")) as fun:
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592 mem_2 = psutil.Process(self.pid).memory_info()
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593 self.assertEqual(len(mem_1), len(mem_2))
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594 for i in range(len(mem_1)):
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595 self.assertGreaterEqual(mem_1[i], 0)
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596 self.assertGreaterEqual(mem_2[i], 0)
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597 self.assertAlmostEqual(mem_1[i], mem_2[i], delta=512)
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598 assert fun.called
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599
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600 def test_create_time(self):
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601 ctime = psutil.Process(self.pid).create_time()
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602 with mock.patch("psutil._psplatform.cext.proc_times",
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603 side_effect=OSError(errno.EPERM, "msg")) as fun:
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604 self.assertEqual(psutil.Process(self.pid).create_time(), ctime)
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605 assert fun.called
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606
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607 def test_cpu_times(self):
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608 cpu_times_1 = psutil.Process(self.pid).cpu_times()
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609 with mock.patch("psutil._psplatform.cext.proc_times",
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610 side_effect=OSError(errno.EPERM, "msg")) as fun:
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611 cpu_times_2 = psutil.Process(self.pid).cpu_times()
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612 assert fun.called
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613 self.assertAlmostEqual(
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614 cpu_times_1.user, cpu_times_2.user, delta=0.01)
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615 self.assertAlmostEqual(
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616 cpu_times_1.system, cpu_times_2.system, delta=0.01)
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617
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618 def test_io_counters(self):
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619 io_counters_1 = psutil.Process(self.pid).io_counters()
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620 with mock.patch("psutil._psplatform.cext.proc_io_counters",
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621 side_effect=OSError(errno.EPERM, "msg")) as fun:
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diff changeset
622 io_counters_2 = psutil.Process(self.pid).io_counters()
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guerler
parents:
diff changeset
623 for i in range(len(io_counters_1)):
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guerler
parents:
diff changeset
624 self.assertAlmostEqual(
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guerler
parents:
diff changeset
625 io_counters_1[i], io_counters_2[i], delta=5)
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guerler
parents:
diff changeset
626 assert fun.called
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guerler
parents:
diff changeset
627
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parents:
diff changeset
628 def test_num_handles(self):
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guerler
parents:
diff changeset
629 num_handles = psutil.Process(self.pid).num_handles()
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guerler
parents:
diff changeset
630 with mock.patch("psutil._psplatform.cext.proc_num_handles",
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guerler
parents:
diff changeset
631 side_effect=OSError(errno.EPERM, "msg")) as fun:
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guerler
parents:
diff changeset
632 self.assertEqual(psutil.Process(self.pid).num_handles(),
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guerler
parents:
diff changeset
633 num_handles)
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guerler
parents:
diff changeset
634 assert fun.called
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guerler
parents:
diff changeset
635
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guerler
parents:
diff changeset
636 def test_cmdline(self):
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guerler
parents:
diff changeset
637 from psutil._pswindows import convert_oserror
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guerler
parents:
diff changeset
638 for pid in psutil.pids():
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guerler
parents:
diff changeset
639 try:
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parents:
diff changeset
640 a = cext.proc_cmdline(pid, use_peb=True)
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guerler
parents:
diff changeset
641 b = cext.proc_cmdline(pid, use_peb=False)
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guerler
parents:
diff changeset
642 except OSError as err:
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guerler
parents:
diff changeset
643 err = convert_oserror(err)
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guerler
parents:
diff changeset
644 if not isinstance(err, (psutil.AccessDenied,
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guerler
parents:
diff changeset
645 psutil.NoSuchProcess)):
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guerler
parents:
diff changeset
646 raise
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guerler
parents:
diff changeset
647 else:
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parents:
diff changeset
648 self.assertEqual(a, b)
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parents:
diff changeset
649
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guerler
parents:
diff changeset
650
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parents:
diff changeset
651 @unittest.skipIf(not WINDOWS, "WINDOWS only")
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parents:
diff changeset
652 class RemoteProcessTestCase(PsutilTestCase):
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parents:
diff changeset
653 """Certain functions require calling ReadProcessMemory.
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parents:
diff changeset
654 This trivially works when called on the current process.
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guerler
parents:
diff changeset
655 Check that this works on other processes, especially when they
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parents:
diff changeset
656 have a different bitness.
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diff changeset
657 """
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parents:
diff changeset
658
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diff changeset
659 @staticmethod
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parents:
diff changeset
660 def find_other_interpreter():
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guerler
parents:
diff changeset
661 # find a python interpreter that is of the opposite bitness from us
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guerler
parents:
diff changeset
662 code = "import sys; sys.stdout.write(str(sys.maxsize > 2**32))"
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guerler
parents:
diff changeset
663
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guerler
parents:
diff changeset
664 # XXX: a different and probably more stable approach might be to access
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guerler
parents:
diff changeset
665 # the registry but accessing 64 bit paths from a 32 bit process
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guerler
parents:
diff changeset
666 for filename in glob.glob(r"C:\Python*\python.exe"):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
667 proc = subprocess.Popen(args=[filename, "-c", code],
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guerler
parents:
diff changeset
668 stdout=subprocess.PIPE,
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
669 stderr=subprocess.STDOUT)
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guerler
parents:
diff changeset
670 output, _ = proc.communicate()
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guerler
parents:
diff changeset
671 proc.wait()
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guerler
parents:
diff changeset
672 if output == str(not IS_64BIT):
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guerler
parents:
diff changeset
673 return filename
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guerler
parents:
diff changeset
674
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guerler
parents:
diff changeset
675 test_args = ["-c", "import sys; sys.stdin.read()"]
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parents:
diff changeset
676
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parents:
diff changeset
677 def setUp(self):
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parents:
diff changeset
678 super().setUp()
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guerler
parents:
diff changeset
679
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parents:
diff changeset
680 other_python = self.find_other_interpreter()
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guerler
parents:
diff changeset
681 if other_python is None:
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guerler
parents:
diff changeset
682 raise unittest.SkipTest(
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
683 "could not find interpreter with opposite bitness")
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guerler
parents:
diff changeset
684 if IS_64BIT:
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guerler
parents:
diff changeset
685 self.python64 = sys.executable
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
686 self.python32 = other_python
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guerler
parents:
diff changeset
687 else:
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guerler
parents:
diff changeset
688 self.python64 = other_python
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guerler
parents:
diff changeset
689 self.python32 = sys.executable
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guerler
parents:
diff changeset
690
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guerler
parents:
diff changeset
691 env = os.environ.copy()
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
692 env["THINK_OF_A_NUMBER"] = str(os.getpid())
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guerler
parents:
diff changeset
693 self.proc32 = self.spawn_testproc(
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guerler
parents:
diff changeset
694 [self.python32] + self.test_args,
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guerler
parents:
diff changeset
695 env=env,
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guerler
parents:
diff changeset
696 stdin=subprocess.PIPE)
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guerler
parents:
diff changeset
697 self.proc64 = self.spawn_testproc(
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guerler
parents:
diff changeset
698 [self.python64] + self.test_args,
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guerler
parents:
diff changeset
699 env=env,
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
700 stdin=subprocess.PIPE)
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guerler
parents:
diff changeset
701
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guerler
parents:
diff changeset
702 def tearDown(self):
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guerler
parents:
diff changeset
703 super().tearDown()
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guerler
parents:
diff changeset
704 self.proc32.communicate()
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guerler
parents:
diff changeset
705 self.proc64.communicate()
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guerler
parents:
diff changeset
706
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
707 def test_cmdline_32(self):
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guerler
parents:
diff changeset
708 p = psutil.Process(self.proc32.pid)
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guerler
parents:
diff changeset
709 self.assertEqual(len(p.cmdline()), 3)
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guerler
parents:
diff changeset
710 self.assertEqual(p.cmdline()[1:], self.test_args)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
711
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
712 def test_cmdline_64(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
713 p = psutil.Process(self.proc64.pid)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
714 self.assertEqual(len(p.cmdline()), 3)
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guerler
parents:
diff changeset
715 self.assertEqual(p.cmdline()[1:], self.test_args)
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guerler
parents:
diff changeset
716
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
717 def test_cwd_32(self):
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guerler
parents:
diff changeset
718 p = psutil.Process(self.proc32.pid)
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guerler
parents:
diff changeset
719 self.assertEqual(p.cwd(), os.getcwd())
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
720
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
721 def test_cwd_64(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
722 p = psutil.Process(self.proc64.pid)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
723 self.assertEqual(p.cwd(), os.getcwd())
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guerler
parents:
diff changeset
724
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
725 def test_environ_32(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
726 p = psutil.Process(self.proc32.pid)
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guerler
parents:
diff changeset
727 e = p.environ()
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
728 self.assertIn("THINK_OF_A_NUMBER", e)
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
729 self.assertEquals(e["THINK_OF_A_NUMBER"], str(os.getpid()))
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guerler
parents:
diff changeset
730
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
731 def test_environ_64(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
732 p = psutil.Process(self.proc64.pid)
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guerler
parents:
diff changeset
733 try:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
734 p.environ()
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
735 except psutil.AccessDenied:
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
736 pass
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
737
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
738
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
739 # ===================================================================
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
740 # Windows services
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
741 # ===================================================================
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
742
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
743
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
744 @unittest.skipIf(not WINDOWS, "WINDOWS only")
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
745 class TestServices(PsutilTestCase):
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guerler
parents:
diff changeset
746
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
747 def test_win_service_iter(self):
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
748 valid_statuses = set([
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
749 "running",
56ad4e20f292 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
guerler
parents:
diff changeset
750 "paused",
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diff changeset
751 "start",
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diff changeset
752 "pause",
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diff changeset
753 "continue",
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parents:
diff changeset
754 "stop",
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diff changeset
755 "stopped",
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756 ])
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757 valid_start_types = set([
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758 "automatic",
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diff changeset
759 "manual",
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diff changeset
760 "disabled",
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diff changeset
761 ])
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762 valid_statuses = set([
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763 "running",
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diff changeset
764 "paused",
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diff changeset
765 "start_pending",
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parents:
diff changeset
766 "pause_pending",
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parents:
diff changeset
767 "continue_pending",
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parents:
diff changeset
768 "stop_pending",
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diff changeset
769 "stopped"
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diff changeset
770 ])
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diff changeset
771 for serv in psutil.win_service_iter():
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772 data = serv.as_dict()
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diff changeset
773 self.assertIsInstance(data['name'], str)
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774 self.assertNotEqual(data['name'].strip(), "")
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diff changeset
775 self.assertIsInstance(data['display_name'], str)
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776 self.assertIsInstance(data['username'], str)
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diff changeset
777 self.assertIn(data['status'], valid_statuses)
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778 if data['pid'] is not None:
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779 psutil.Process(data['pid'])
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780 self.assertIsInstance(data['binpath'], str)
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781 self.assertIsInstance(data['username'], str)
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782 self.assertIsInstance(data['start_type'], str)
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783 self.assertIn(data['start_type'], valid_start_types)
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diff changeset
784 self.assertIn(data['status'], valid_statuses)
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785 self.assertIsInstance(data['description'], str)
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786 pid = serv.pid()
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787 if pid is not None:
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788 p = psutil.Process(pid)
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789 self.assertTrue(p.is_running())
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790 # win_service_get
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791 s = psutil.win_service_get(serv.name())
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792 # test __eq__
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793 self.assertEqual(serv, s)
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794
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795 def test_win_service_get(self):
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796 ERROR_SERVICE_DOES_NOT_EXIST = \
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797 psutil._psplatform.cext.ERROR_SERVICE_DOES_NOT_EXIST
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798 ERROR_ACCESS_DENIED = psutil._psplatform.cext.ERROR_ACCESS_DENIED
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799
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800 name = next(psutil.win_service_iter()).name()
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801 with self.assertRaises(psutil.NoSuchProcess) as cm:
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802 psutil.win_service_get(name + '???')
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803 self.assertEqual(cm.exception.name, name + '???')
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804
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805 # test NoSuchProcess
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806 service = psutil.win_service_get(name)
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807 if PY3:
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808 args = (0, "msg", 0, ERROR_SERVICE_DOES_NOT_EXIST)
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809 else:
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810 args = (ERROR_SERVICE_DOES_NOT_EXIST, "msg")
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811 exc = WindowsError(*args)
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812 with mock.patch("psutil._psplatform.cext.winservice_query_status",
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813 side_effect=exc):
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814 self.assertRaises(psutil.NoSuchProcess, service.status)
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815 with mock.patch("psutil._psplatform.cext.winservice_query_config",
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diff changeset
816 side_effect=exc):
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817 self.assertRaises(psutil.NoSuchProcess, service.username)
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818
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819 # test AccessDenied
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820 if PY3:
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821 args = (0, "msg", 0, ERROR_ACCESS_DENIED)
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822 else:
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823 args = (ERROR_ACCESS_DENIED, "msg")
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824 exc = WindowsError(*args)
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825 with mock.patch("psutil._psplatform.cext.winservice_query_status",
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diff changeset
826 side_effect=exc):
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diff changeset
827 self.assertRaises(psutil.AccessDenied, service.status)
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828 with mock.patch("psutil._psplatform.cext.winservice_query_config",
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diff changeset
829 side_effect=exc):
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diff changeset
830 self.assertRaises(psutil.AccessDenied, service.username)
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831
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832 # test __str__ and __repr__
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diff changeset
833 self.assertIn(service.name(), str(service))
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diff changeset
834 self.assertIn(service.display_name(), str(service))
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diff changeset
835 self.assertIn(service.name(), repr(service))
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diff changeset
836 self.assertIn(service.display_name(), repr(service))
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837
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838
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839 if __name__ == '__main__':
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diff changeset
840 from psutil.tests.runner import run_from_name
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841 run_from_name(__file__)