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#!/usr/bin/env python
# Copyright (c) 2009, Giampaolo Rodola'. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""MACOS specific tests."""
import os
import re
import time
import psutil
from psutil import MACOS
from psutil.tests import create_zombie_proc
from psutil.tests import get_test_subprocess
from psutil.tests import HAS_BATTERY
from psutil.tests import MEMORY_TOLERANCE
from psutil.tests import reap_children
from psutil.tests import retry_before_failing
from psutil.tests import run_test_module_by_name
from psutil.tests import sh
from psutil.tests import unittest
PAGESIZE = os.sysconf("SC_PAGE_SIZE") if MACOS else None
def sysctl(cmdline):
"""Expects a sysctl command with an argument and parse the result
returning only the value of interest.
"""
out = sh(cmdline)
result = out.split()[1]
try:
return int(result)
except ValueError:
return result
def vm_stat(field):
"""Wrapper around 'vm_stat' cmdline utility."""
out = sh('vm_stat')
for line in out.split('\n'):
if field in line:
break
else:
raise ValueError("line not found")
return int(re.search(r'\d+', line).group(0)) * PAGESIZE
# http://code.activestate.com/recipes/578019/
def human2bytes(s):
SYMBOLS = {
'customary': ('B', 'K', 'M', 'G', 'T', 'P', 'E', 'Z', 'Y'),
}
init = s
num = ""
while s and s[0:1].isdigit() or s[0:1] == '.':
num += s[0]
s = s[1:]
num = float(num)
letter = s.strip()
for name, sset in SYMBOLS.items():
if letter in sset:
break
else:
if letter == 'k':
sset = SYMBOLS['customary']
letter = letter.upper()
else:
raise ValueError("can't interpret %r" % init)
prefix = {sset[0]: 1}
for i, s in enumerate(sset[1:]):
prefix[s] = 1 << (i + 1) * 10
return int(num * prefix[letter])
@unittest.skipIf(not MACOS, "MACOS only")
class TestProcess(unittest.TestCase):
@classmethod
def setUpClass(cls):
cls.pid = get_test_subprocess().pid
@classmethod
def tearDownClass(cls):
reap_children()
def test_process_create_time(self):
output = sh("ps -o lstart -p %s" % self.pid)
start_ps = output.replace('STARTED', '').strip()
hhmmss = start_ps.split(' ')[-2]
year = start_ps.split(' ')[-1]
start_psutil = psutil.Process(self.pid).create_time()
self.assertEqual(
hhmmss,
time.strftime("%H:%M:%S", time.localtime(start_psutil)))
self.assertEqual(
year,
time.strftime("%Y", time.localtime(start_psutil)))
@unittest.skipIf(not MACOS, "MACOS only")
class TestZombieProcessAPIs(unittest.TestCase):
@classmethod
def setUpClass(cls):
zpid = create_zombie_proc()
cls.p = psutil.Process(zpid)
@classmethod
def tearDownClass(cls):
reap_children(recursive=True)
def test_pidtask_info(self):
self.assertEqual(self.p.status(), psutil.STATUS_ZOMBIE)
self.p.ppid()
self.p.uids()
self.p.gids()
self.p.terminal()
self.p.create_time()
def test_exe(self):
self.assertRaises(psutil.ZombieProcess, self.p.exe)
def test_cmdline(self):
self.assertRaises(psutil.ZombieProcess, self.p.cmdline)
def test_environ(self):
self.assertRaises(psutil.ZombieProcess, self.p.environ)
def test_cwd(self):
self.assertRaises(psutil.ZombieProcess, self.p.cwd)
def test_memory_full_info(self):
self.assertRaises(psutil.ZombieProcess, self.p.memory_full_info)
def test_cpu_times(self):
self.assertRaises(psutil.ZombieProcess, self.p.cpu_times)
def test_num_ctx_switches(self):
self.assertRaises(psutil.ZombieProcess, self.p.num_ctx_switches)
def test_num_threads(self):
self.assertRaises(psutil.ZombieProcess, self.p.num_threads)
def test_open_files(self):
self.assertRaises(psutil.ZombieProcess, self.p.open_files)
def test_connections(self):
self.assertRaises(psutil.ZombieProcess, self.p.connections)
def test_num_fds(self):
self.assertRaises(psutil.ZombieProcess, self.p.num_fds)
def test_threads(self):
self.assertRaises((psutil.ZombieProcess, psutil.AccessDenied),
self.p.threads)
def test_memory_maps(self):
self.assertRaises(psutil.ZombieProcess, self.p.memory_maps)
@unittest.skipIf(not MACOS, "MACOS only")
class TestSystemAPIs(unittest.TestCase):
# --- disk
def test_disks(self):
# test psutil.disk_usage() and psutil.disk_partitions()
# against "df -a"
def df(path):
out = sh('df -k "%s"' % path).strip()
lines = out.split('\n')
lines.pop(0)
line = lines.pop(0)
dev, total, used, free = line.split()[:4]
if dev == 'none':
dev = ''
total = int(total) * 1024
used = int(used) * 1024
free = int(free) * 1024
return dev, total, used, free
for part in psutil.disk_partitions(all=False):
usage = psutil.disk_usage(part.mountpoint)
dev, total, used, free = df(part.mountpoint)
self.assertEqual(part.device, dev)
self.assertEqual(usage.total, total)
# 10 MB tollerance
if abs(usage.free - free) > 10 * 1024 * 1024:
self.fail("psutil=%s, df=%s" % usage.free, free)
if abs(usage.used - used) > 10 * 1024 * 1024:
self.fail("psutil=%s, df=%s" % usage.used, used)
# --- cpu
def test_cpu_count_logical(self):
num = sysctl("sysctl hw.logicalcpu")
self.assertEqual(num, psutil.cpu_count(logical=True))
def test_cpu_count_physical(self):
num = sysctl("sysctl hw.physicalcpu")
self.assertEqual(num, psutil.cpu_count(logical=False))
def test_cpu_freq(self):
freq = psutil.cpu_freq()
self.assertEqual(
freq.current * 1000 * 1000, sysctl("sysctl hw.cpufrequency"))
self.assertEqual(
freq.min * 1000 * 1000, sysctl("sysctl hw.cpufrequency_min"))
self.assertEqual(
freq.max * 1000 * 1000, sysctl("sysctl hw.cpufrequency_max"))
# --- virtual mem
def test_vmem_total(self):
sysctl_hwphymem = sysctl('sysctl hw.memsize')
self.assertEqual(sysctl_hwphymem, psutil.virtual_memory().total)
@retry_before_failing()
def test_vmem_free(self):
vmstat_val = vm_stat("free")
psutil_val = psutil.virtual_memory().free
self.assertAlmostEqual(psutil_val, vmstat_val, delta=MEMORY_TOLERANCE)
@retry_before_failing()
def test_vmem_available(self):
vmstat_val = vm_stat("inactive") + vm_stat("free")
psutil_val = psutil.virtual_memory().available
self.assertAlmostEqual(psutil_val, vmstat_val, delta=MEMORY_TOLERANCE)
@retry_before_failing()
def test_vmem_active(self):
vmstat_val = vm_stat("active")
psutil_val = psutil.virtual_memory().active
self.assertAlmostEqual(psutil_val, vmstat_val, delta=MEMORY_TOLERANCE)
@retry_before_failing()
def test_vmem_inactive(self):
vmstat_val = vm_stat("inactive")
psutil_val = psutil.virtual_memory().inactive
self.assertAlmostEqual(psutil_val, vmstat_val, delta=MEMORY_TOLERANCE)
@retry_before_failing()
def test_vmem_wired(self):
vmstat_val = vm_stat("wired")
psutil_val = psutil.virtual_memory().wired
self.assertAlmostEqual(psutil_val, vmstat_val, delta=MEMORY_TOLERANCE)
# --- swap mem
@retry_before_failing()
def test_swapmem_sin(self):
vmstat_val = vm_stat("Pageins")
psutil_val = psutil.swap_memory().sin
self.assertEqual(psutil_val, vmstat_val)
@retry_before_failing()
def test_swapmem_sout(self):
vmstat_val = vm_stat("Pageout")
psutil_val = psutil.swap_memory().sout
self.assertEqual(psutil_val, vmstat_val)
# Not very reliable.
# def test_swapmem_total(self):
# out = sh('sysctl vm.swapusage')
# out = out.replace('vm.swapusage: ', '')
# total, used, free = re.findall('\d+.\d+\w', out)
# psutil_smem = psutil.swap_memory()
# self.assertEqual(psutil_smem.total, human2bytes(total))
# self.assertEqual(psutil_smem.used, human2bytes(used))
# self.assertEqual(psutil_smem.free, human2bytes(free))
# --- network
def test_net_if_stats(self):
for name, stats in psutil.net_if_stats().items():
try:
out = sh("ifconfig %s" % name)
except RuntimeError:
pass
else:
self.assertEqual(stats.isup, 'RUNNING' in out, msg=out)
self.assertEqual(stats.mtu,
int(re.findall(r'mtu (\d+)', out)[0]))
# --- sensors_battery
@unittest.skipIf(not HAS_BATTERY, "no battery")
def test_sensors_battery(self):
out = sh("pmset -g batt")
percent = re.search("(\d+)%", out).group(1)
drawing_from = re.search("Now drawing from '([^']+)'", out).group(1)
power_plugged = drawing_from == "AC Power"
psutil_result = psutil.sensors_battery()
self.assertEqual(psutil_result.power_plugged, power_plugged)
self.assertEqual(psutil_result.percent, int(percent))
if __name__ == '__main__':
run_test_module_by_name(__file__)
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