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