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annotate planemo/lib/python3.7/site-packages/psutil/tests/test_osx.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
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3 # Copyright (c) 2009, Giampaolo Rodola'. All rights reserved.
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4 # Use of this source code is governed by a BSD-style license that can be
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5 # found in the LICENSE file.
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6
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7 """MACOS specific tests."""
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8
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9 import os
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10 import re
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11 import time
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12
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13 import psutil
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14 from psutil import MACOS
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15 from psutil.tests import HAS_BATTERY
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16 from psutil.tests import PsutilTestCase
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17 from psutil.tests import retry_on_failure
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18 from psutil.tests import sh
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19 from psutil.tests import spawn_testproc
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20 from psutil.tests import terminate
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21 from psutil.tests import TOLERANCE_DISK_USAGE
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22 from psutil.tests import TOLERANCE_SYS_MEM
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23 from psutil.tests import unittest
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24
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25
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26 PAGESIZE = os.sysconf("SC_PAGE_SIZE") if MACOS else None
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27
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28
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29 def sysctl(cmdline):
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30 """Expects a sysctl command with an argument and parse the result
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31 returning only the value of interest.
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32 """
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33 out = sh(cmdline)
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34 result = out.split()[1]
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35 try:
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36 return int(result)
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37 except ValueError:
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38 return result
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39
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40
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41 def vm_stat(field):
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42 """Wrapper around 'vm_stat' cmdline utility."""
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43 out = sh('vm_stat')
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44 for line in out.split('\n'):
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45 if field in line:
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46 break
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47 else:
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48 raise ValueError("line not found")
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49 return int(re.search(r'\d+', line).group(0)) * PAGESIZE
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50
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51
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52 # http://code.activestate.com/recipes/578019/
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53 def human2bytes(s):
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54 SYMBOLS = {
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55 'customary': ('B', 'K', 'M', 'G', 'T', 'P', 'E', 'Z', 'Y'),
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56 }
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57 init = s
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58 num = ""
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59 while s and s[0:1].isdigit() or s[0:1] == '.':
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60 num += s[0]
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61 s = s[1:]
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62 num = float(num)
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63 letter = s.strip()
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64 for name, sset in SYMBOLS.items():
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65 if letter in sset:
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66 break
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67 else:
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68 if letter == 'k':
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69 sset = SYMBOLS['customary']
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70 letter = letter.upper()
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71 else:
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72 raise ValueError("can't interpret %r" % init)
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73 prefix = {sset[0]: 1}
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74 for i, s in enumerate(sset[1:]):
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75 prefix[s] = 1 << (i + 1) * 10
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76 return int(num * prefix[letter])
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77
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78
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79 @unittest.skipIf(not MACOS, "MACOS only")
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80 class TestProcess(PsutilTestCase):
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81
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82 @classmethod
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83 def setUpClass(cls):
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84 cls.pid = spawn_testproc().pid
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85
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86 @classmethod
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87 def tearDownClass(cls):
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88 terminate(cls.pid)
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89
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90 def test_process_create_time(self):
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91 output = sh("ps -o lstart -p %s" % self.pid)
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92 start_ps = output.replace('STARTED', '').strip()
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93 hhmmss = start_ps.split(' ')[-2]
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94 year = start_ps.split(' ')[-1]
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95 start_psutil = psutil.Process(self.pid).create_time()
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96 self.assertEqual(
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97 hhmmss,
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98 time.strftime("%H:%M:%S", time.localtime(start_psutil)))
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99 self.assertEqual(
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100 year,
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101 time.strftime("%Y", time.localtime(start_psutil)))
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102
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103
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104 @unittest.skipIf(not MACOS, "MACOS only")
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105 class TestSystemAPIs(PsutilTestCase):
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106
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107 # --- disk
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108
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109 @retry_on_failure()
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110 def test_disks(self):
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111 # test psutil.disk_usage() and psutil.disk_partitions()
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112 # against "df -a"
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113 def df(path):
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114 out = sh('df -k "%s"' % path).strip()
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115 lines = out.split('\n')
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116 lines.pop(0)
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117 line = lines.pop(0)
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118 dev, total, used, free = line.split()[:4]
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119 if dev == 'none':
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120 dev = ''
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121 total = int(total) * 1024
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122 used = int(used) * 1024
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123 free = int(free) * 1024
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124 return dev, total, used, free
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125
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126 for part in psutil.disk_partitions(all=False):
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127 usage = psutil.disk_usage(part.mountpoint)
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128 dev, total, used, free = df(part.mountpoint)
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129 self.assertEqual(part.device, dev)
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130 self.assertEqual(usage.total, total)
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131 self.assertAlmostEqual(usage.free, free,
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132 delta=TOLERANCE_DISK_USAGE)
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133 self.assertAlmostEqual(usage.used, used,
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134 delta=TOLERANCE_DISK_USAGE)
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135
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136 # --- cpu
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137
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138 def test_cpu_count_logical(self):
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139 num = sysctl("sysctl hw.logicalcpu")
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140 self.assertEqual(num, psutil.cpu_count(logical=True))
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141
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142 def test_cpu_count_physical(self):
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143 num = sysctl("sysctl hw.physicalcpu")
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144 self.assertEqual(num, psutil.cpu_count(logical=False))
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145
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146 def test_cpu_freq(self):
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147 freq = psutil.cpu_freq()
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148 self.assertEqual(
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149 freq.current * 1000 * 1000, sysctl("sysctl hw.cpufrequency"))
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150 self.assertEqual(
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151 freq.min * 1000 * 1000, sysctl("sysctl hw.cpufrequency_min"))
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152 self.assertEqual(
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153 freq.max * 1000 * 1000, sysctl("sysctl hw.cpufrequency_max"))
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154
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155 # --- virtual mem
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156
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157 def test_vmem_total(self):
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158 sysctl_hwphymem = sysctl('sysctl hw.memsize')
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159 self.assertEqual(sysctl_hwphymem, psutil.virtual_memory().total)
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160
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161 @retry_on_failure()
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162 def test_vmem_free(self):
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163 vmstat_val = vm_stat("free")
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164 psutil_val = psutil.virtual_memory().free
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165 self.assertAlmostEqual(psutil_val, vmstat_val, delta=TOLERANCE_SYS_MEM)
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166
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167 @retry_on_failure()
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168 def test_vmem_active(self):
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169 vmstat_val = vm_stat("active")
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170 psutil_val = psutil.virtual_memory().active
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171 self.assertAlmostEqual(psutil_val, vmstat_val, delta=TOLERANCE_SYS_MEM)
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172
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173 @retry_on_failure()
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174 def test_vmem_inactive(self):
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175 vmstat_val = vm_stat("inactive")
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176 psutil_val = psutil.virtual_memory().inactive
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177 self.assertAlmostEqual(psutil_val, vmstat_val, delta=TOLERANCE_SYS_MEM)
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178
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179 @retry_on_failure()
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180 def test_vmem_wired(self):
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181 vmstat_val = vm_stat("wired")
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182 psutil_val = psutil.virtual_memory().wired
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183 self.assertAlmostEqual(psutil_val, vmstat_val, delta=TOLERANCE_SYS_MEM)
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184
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185 # --- swap mem
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186
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187 @retry_on_failure()
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188 def test_swapmem_sin(self):
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189 vmstat_val = vm_stat("Pageins")
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190 psutil_val = psutil.swap_memory().sin
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191 self.assertEqual(psutil_val, vmstat_val)
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192
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193 @retry_on_failure()
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194 def test_swapmem_sout(self):
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195 vmstat_val = vm_stat("Pageout")
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196 psutil_val = psutil.swap_memory().sout
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197 self.assertEqual(psutil_val, vmstat_val)
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198
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199 # Not very reliable.
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200 # def test_swapmem_total(self):
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201 # out = sh('sysctl vm.swapusage')
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202 # out = out.replace('vm.swapusage: ', '')
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203 # total, used, free = re.findall('\d+.\d+\w', out)
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204 # psutil_smem = psutil.swap_memory()
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205 # self.assertEqual(psutil_smem.total, human2bytes(total))
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206 # self.assertEqual(psutil_smem.used, human2bytes(used))
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207 # self.assertEqual(psutil_smem.free, human2bytes(free))
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208
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209 # --- network
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210
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211 def test_net_if_stats(self):
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212 for name, stats in psutil.net_if_stats().items():
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213 try:
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214 out = sh("ifconfig %s" % name)
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215 except RuntimeError:
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216 pass
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217 else:
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218 self.assertEqual(stats.isup, 'RUNNING' in out, msg=out)
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219 self.assertEqual(stats.mtu,
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220 int(re.findall(r'mtu (\d+)', out)[0]))
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221
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222 # --- sensors_battery
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223
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224 @unittest.skipIf(not HAS_BATTERY, "no battery")
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225 def test_sensors_battery(self):
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226 out = sh("pmset -g batt")
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227 percent = re.search(r"(\d+)%", out).group(1)
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228 drawing_from = re.search("Now drawing from '([^']+)'", out).group(1)
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229 power_plugged = drawing_from == "AC Power"
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230 psutil_result = psutil.sensors_battery()
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231 self.assertEqual(psutil_result.power_plugged, power_plugged)
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232 self.assertEqual(psutil_result.percent, int(percent))
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233
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234
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235 if __name__ == '__main__':
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236 from psutil.tests.runner import run_from_name
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237 run_from_name(__file__)