AlkantarClanX12
Your IP : 3.16.82.208
#!/usr/bin/env python3
# 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.
"""Tests for system APIS."""
import contextlib
import datetime
import errno
import os
import platform
import pprint
import shutil
import signal
import socket
import sys
import time
import psutil
from psutil import AIX
from psutil import BSD
from psutil import FREEBSD
from psutil import LINUX
from psutil import MACOS
from psutil import NETBSD
from psutil import OPENBSD
from psutil import POSIX
from psutil import SUNOS
from psutil import WINDOWS
from psutil._compat import PY3
from psutil._compat import FileNotFoundError
from psutil._compat import long
from psutil.tests import ASCII_FS
from psutil.tests import CI_TESTING
from psutil.tests import DEVNULL
from psutil.tests import GITHUB_ACTIONS
from psutil.tests import GLOBAL_TIMEOUT
from psutil.tests import HAS_BATTERY
from psutil.tests import HAS_CPU_FREQ
from psutil.tests import HAS_GETLOADAVG
from psutil.tests import HAS_NET_IO_COUNTERS
from psutil.tests import HAS_SENSORS_BATTERY
from psutil.tests import HAS_SENSORS_FANS
from psutil.tests import HAS_SENSORS_TEMPERATURES
from psutil.tests import IS_64BIT
from psutil.tests import MACOS_12PLUS
from psutil.tests import PYPY
from psutil.tests import QEMU_USER
from psutil.tests import UNICODE_SUFFIX
from psutil.tests import PsutilTestCase
from psutil.tests import check_net_address
from psutil.tests import enum
from psutil.tests import mock
from psutil.tests import pytest
from psutil.tests import retry_on_failure
# ===================================================================
# --- System-related API tests
# ===================================================================
class TestProcessIter(PsutilTestCase):
def test_pid_presence(self):
assert os.getpid() in [x.pid for x in psutil.process_iter()]
sproc = self.spawn_testproc()
assert sproc.pid in [x.pid for x in psutil.process_iter()]
p = psutil.Process(sproc.pid)
p.kill()
p.wait()
assert sproc.pid not in [x.pid for x in psutil.process_iter()]
def test_no_duplicates(self):
ls = [x for x in psutil.process_iter()]
assert sorted(ls, key=lambda x: x.pid) == sorted(
set(ls), key=lambda x: x.pid
)
def test_emulate_nsp(self):
list(psutil.process_iter()) # populate cache
for x in range(2):
with mock.patch(
'psutil.Process.as_dict',
side_effect=psutil.NoSuchProcess(os.getpid()),
):
assert list(psutil.process_iter(attrs=["cpu_times"])) == []
psutil.process_iter.cache_clear() # repeat test without cache
def test_emulate_access_denied(self):
list(psutil.process_iter()) # populate cache
for x in range(2):
with mock.patch(
'psutil.Process.as_dict',
side_effect=psutil.AccessDenied(os.getpid()),
):
with pytest.raises(psutil.AccessDenied):
list(psutil.process_iter(attrs=["cpu_times"]))
psutil.process_iter.cache_clear() # repeat test without cache
def test_attrs(self):
for p in psutil.process_iter(attrs=['pid']):
assert list(p.info.keys()) == ['pid']
# yield again
for p in psutil.process_iter(attrs=['pid']):
assert list(p.info.keys()) == ['pid']
with pytest.raises(ValueError):
list(psutil.process_iter(attrs=['foo']))
with mock.patch(
"psutil._psplatform.Process.cpu_times",
side_effect=psutil.AccessDenied(0, ""),
) as m:
for p in psutil.process_iter(attrs=["pid", "cpu_times"]):
assert p.info['cpu_times'] is None
assert p.info['pid'] >= 0
assert m.called
with mock.patch(
"psutil._psplatform.Process.cpu_times",
side_effect=psutil.AccessDenied(0, ""),
) as m:
flag = object()
for p in psutil.process_iter(
attrs=["pid", "cpu_times"], ad_value=flag
):
assert p.info['cpu_times'] is flag
assert p.info['pid'] >= 0
assert m.called
def test_cache_clear(self):
list(psutil.process_iter()) # populate cache
assert psutil._pmap
psutil.process_iter.cache_clear()
assert not psutil._pmap
class TestProcessAPIs(PsutilTestCase):
@pytest.mark.skipif(
PYPY and WINDOWS,
reason="spawn_testproc() unreliable on PYPY + WINDOWS",
)
def test_wait_procs(self):
def callback(p):
pids.append(p.pid)
pids = []
sproc1 = self.spawn_testproc()
sproc2 = self.spawn_testproc()
sproc3 = self.spawn_testproc()
procs = [psutil.Process(x.pid) for x in (sproc1, sproc2, sproc3)]
with pytest.raises(ValueError):
psutil.wait_procs(procs, timeout=-1)
with pytest.raises(TypeError):
psutil.wait_procs(procs, callback=1)
t = time.time()
gone, alive = psutil.wait_procs(procs, timeout=0.01, callback=callback)
assert time.time() - t < 0.5
assert gone == []
assert len(alive) == 3
assert pids == []
for p in alive:
assert not hasattr(p, 'returncode')
@retry_on_failure(30)
def test_1(procs, callback):
gone, alive = psutil.wait_procs(
procs, timeout=0.03, callback=callback
)
assert len(gone) == 1
assert len(alive) == 2
return gone, alive
sproc3.terminate()
gone, alive = test_1(procs, callback)
assert sproc3.pid in [x.pid for x in gone]
if POSIX:
assert gone.pop().returncode == -signal.SIGTERM
else:
assert gone.pop().returncode == 1
assert pids == [sproc3.pid]
for p in alive:
assert not hasattr(p, 'returncode')
@retry_on_failure(30)
def test_2(procs, callback):
gone, alive = psutil.wait_procs(
procs, timeout=0.03, callback=callback
)
assert len(gone) == 3
assert len(alive) == 0
return gone, alive
sproc1.terminate()
sproc2.terminate()
gone, alive = test_2(procs, callback)
assert set(pids) == set([sproc1.pid, sproc2.pid, sproc3.pid])
for p in gone:
assert hasattr(p, 'returncode')
@pytest.mark.skipif(
PYPY and WINDOWS,
reason="spawn_testproc() unreliable on PYPY + WINDOWS",
)
def test_wait_procs_no_timeout(self):
sproc1 = self.spawn_testproc()
sproc2 = self.spawn_testproc()
sproc3 = self.spawn_testproc()
procs = [psutil.Process(x.pid) for x in (sproc1, sproc2, sproc3)]
for p in procs:
p.terminate()
psutil.wait_procs(procs)
def test_pid_exists(self):
sproc = self.spawn_testproc()
assert psutil.pid_exists(sproc.pid)
p = psutil.Process(sproc.pid)
p.kill()
p.wait()
assert not psutil.pid_exists(sproc.pid)
assert not psutil.pid_exists(-1)
assert psutil.pid_exists(0) == (0 in psutil.pids())
def test_pid_exists_2(self):
pids = psutil.pids()
for pid in pids:
try:
assert psutil.pid_exists(pid)
except AssertionError:
# in case the process disappeared in meantime fail only
# if it is no longer in psutil.pids()
time.sleep(0.1)
assert pid not in psutil.pids()
pids = range(max(pids) + 15000, max(pids) + 16000)
for pid in pids:
assert not psutil.pid_exists(pid)
class TestMiscAPIs(PsutilTestCase):
def test_boot_time(self):
bt = psutil.boot_time()
assert isinstance(bt, float)
assert bt > 0
assert bt < time.time()
@pytest.mark.skipif(
CI_TESTING and not psutil.users(), reason="unreliable on CI"
)
def test_users(self):
users = psutil.users()
assert users != []
for user in users:
with self.subTest(user=user):
assert user.name
assert isinstance(user.name, str)
assert isinstance(user.terminal, (str, type(None)))
if user.host is not None:
assert isinstance(user.host, (str, type(None)))
user.terminal # noqa
user.host # noqa
assert user.started > 0.0
datetime.datetime.fromtimestamp(user.started)
if WINDOWS or OPENBSD:
assert user.pid is None
else:
psutil.Process(user.pid)
def test_test(self):
# test for psutil.test() function
stdout = sys.stdout
sys.stdout = DEVNULL
try:
psutil.test()
finally:
sys.stdout = stdout
def test_os_constants(self):
names = [
"POSIX",
"WINDOWS",
"LINUX",
"MACOS",
"FREEBSD",
"OPENBSD",
"NETBSD",
"BSD",
"SUNOS",
]
for name in names:
assert isinstance(getattr(psutil, name), bool), name
if os.name == 'posix':
assert psutil.POSIX
assert not psutil.WINDOWS
names.remove("POSIX")
if "linux" in sys.platform.lower():
assert psutil.LINUX
names.remove("LINUX")
elif "bsd" in sys.platform.lower():
assert psutil.BSD
assert [psutil.FREEBSD, psutil.OPENBSD, psutil.NETBSD].count(
True
) == 1
names.remove("BSD")
names.remove("FREEBSD")
names.remove("OPENBSD")
names.remove("NETBSD")
elif (
"sunos" in sys.platform.lower()
or "solaris" in sys.platform.lower()
):
assert psutil.SUNOS
names.remove("SUNOS")
elif "darwin" in sys.platform.lower():
assert psutil.MACOS
names.remove("MACOS")
else:
assert psutil.WINDOWS
assert not psutil.POSIX
names.remove("WINDOWS")
# assert all other constants are set to False
for name in names:
assert not getattr(psutil, name), name
class TestMemoryAPIs(PsutilTestCase):
def test_virtual_memory(self):
mem = psutil.virtual_memory()
assert mem.total > 0, mem
assert mem.available > 0, mem
assert 0 <= mem.percent <= 100, mem
assert mem.used > 0, mem
assert mem.free >= 0, mem
for name in mem._fields:
value = getattr(mem, name)
if name != 'percent':
assert isinstance(value, (int, long))
if name != 'total':
if not value >= 0:
raise self.fail("%r < 0 (%s)" % (name, value))
if value > mem.total:
raise self.fail(
"%r > total (total=%s, %s=%s)"
% (name, mem.total, name, value)
)
def test_swap_memory(self):
mem = psutil.swap_memory()
assert mem._fields == (
'total',
'used',
'free',
'percent',
'sin',
'sout',
)
assert mem.total >= 0, mem
assert mem.used >= 0, mem
if mem.total > 0:
# likely a system with no swap partition
assert mem.free > 0, mem
else:
assert mem.free == 0, mem
assert 0 <= mem.percent <= 100, mem
assert mem.sin >= 0, mem
assert mem.sout >= 0, mem
class TestCpuAPIs(PsutilTestCase):
def test_cpu_count_logical(self):
logical = psutil.cpu_count()
assert logical is not None
assert logical == len(psutil.cpu_times(percpu=True))
assert logical >= 1
if os.path.exists("/proc/cpuinfo"):
with open("/proc/cpuinfo") as fd:
cpuinfo_data = fd.read()
if "physical id" not in cpuinfo_data:
raise pytest.skip("cpuinfo doesn't include physical id")
def test_cpu_count_cores(self):
logical = psutil.cpu_count()
cores = psutil.cpu_count(logical=False)
if cores is None:
raise pytest.skip("cpu_count_cores() is None")
if WINDOWS and sys.getwindowsversion()[:2] <= (6, 1): # <= Vista
assert cores is None
else:
assert cores >= 1
assert logical >= cores
def test_cpu_count_none(self):
# https://github.com/giampaolo/psutil/issues/1085
for val in (-1, 0, None):
with mock.patch(
'psutil._psplatform.cpu_count_logical', return_value=val
) as m:
assert psutil.cpu_count() is None
assert m.called
with mock.patch(
'psutil._psplatform.cpu_count_cores', return_value=val
) as m:
assert psutil.cpu_count(logical=False) is None
assert m.called
def test_cpu_times(self):
# Check type, value >= 0, str().
total = 0
times = psutil.cpu_times()
sum(times)
for cp_time in times:
assert isinstance(cp_time, float)
assert cp_time >= 0.0
total += cp_time
assert round(abs(total - sum(times)), 6) == 0
str(times)
# CPU times are always supposed to increase over time
# or at least remain the same and that's because time
# cannot go backwards.
# Surprisingly sometimes this might not be the case (at
# least on Windows and Linux), see:
# https://github.com/giampaolo/psutil/issues/392
# https://github.com/giampaolo/psutil/issues/645
# if not WINDOWS:
# last = psutil.cpu_times()
# for x in range(100):
# new = psutil.cpu_times()
# for field in new._fields:
# new_t = getattr(new, field)
# last_t = getattr(last, field)
# self.assertGreaterEqual(new_t, last_t,
# msg="%s %s" % (new_t, last_t))
# last = new
def test_cpu_times_time_increases(self):
# Make sure time increases between calls.
t1 = sum(psutil.cpu_times())
stop_at = time.time() + GLOBAL_TIMEOUT
while time.time() < stop_at:
t2 = sum(psutil.cpu_times())
if t2 > t1:
return
raise self.fail("time remained the same")
def test_per_cpu_times(self):
# Check type, value >= 0, str().
for times in psutil.cpu_times(percpu=True):
total = 0
sum(times)
for cp_time in times:
assert isinstance(cp_time, float)
assert cp_time >= 0.0
total += cp_time
assert round(abs(total - sum(times)), 6) == 0
str(times)
assert len(psutil.cpu_times(percpu=True)[0]) == len(
psutil.cpu_times(percpu=False)
)
# Note: in theory CPU times are always supposed to increase over
# time or remain the same but never go backwards. In practice
# sometimes this is not the case.
# This issue seemd to be afflict Windows:
# https://github.com/giampaolo/psutil/issues/392
# ...but it turns out also Linux (rarely) behaves the same.
# last = psutil.cpu_times(percpu=True)
# for x in range(100):
# new = psutil.cpu_times(percpu=True)
# for index in range(len(new)):
# newcpu = new[index]
# lastcpu = last[index]
# for field in newcpu._fields:
# new_t = getattr(newcpu, field)
# last_t = getattr(lastcpu, field)
# self.assertGreaterEqual(
# new_t, last_t, msg="%s %s" % (lastcpu, newcpu))
# last = new
def test_per_cpu_times_2(self):
# Simulate some work load then make sure time have increased
# between calls.
tot1 = psutil.cpu_times(percpu=True)
giveup_at = time.time() + GLOBAL_TIMEOUT
while True:
if time.time() >= giveup_at:
return self.fail("timeout")
tot2 = psutil.cpu_times(percpu=True)
for t1, t2 in zip(tot1, tot2):
t1, t2 = psutil._cpu_busy_time(t1), psutil._cpu_busy_time(t2)
difference = t2 - t1
if difference >= 0.05:
return
@pytest.mark.skipif(
CI_TESTING and OPENBSD, reason="unreliable on OPENBSD + CI"
)
def test_cpu_times_comparison(self):
# Make sure the sum of all per cpu times is almost equal to
# base "one cpu" times. On OpenBSD the sum of per-CPUs is
# higher for some reason.
base = psutil.cpu_times()
per_cpu = psutil.cpu_times(percpu=True)
summed_values = base._make([sum(num) for num in zip(*per_cpu)])
for field in base._fields:
with self.subTest(field=field, base=base, per_cpu=per_cpu):
assert (
abs(getattr(base, field) - getattr(summed_values, field))
< 1
)
def _test_cpu_percent(self, percent, last_ret, new_ret):
try:
assert isinstance(percent, float)
assert percent >= 0.0
assert percent is not -0.0
assert percent <= 100.0 * psutil.cpu_count()
except AssertionError as err:
raise AssertionError(
"\n%s\nlast=%s\nnew=%s"
% (err, pprint.pformat(last_ret), pprint.pformat(new_ret))
)
def test_cpu_percent(self):
last = psutil.cpu_percent(interval=0.001)
for _ in range(100):
new = psutil.cpu_percent(interval=None)
self._test_cpu_percent(new, last, new)
last = new
with pytest.raises(ValueError):
psutil.cpu_percent(interval=-1)
def test_per_cpu_percent(self):
last = psutil.cpu_percent(interval=0.001, percpu=True)
assert len(last) == psutil.cpu_count()
for _ in range(100):
new = psutil.cpu_percent(interval=None, percpu=True)
for percent in new:
self._test_cpu_percent(percent, last, new)
last = new
with pytest.raises(ValueError):
psutil.cpu_percent(interval=-1, percpu=True)
def test_cpu_times_percent(self):
last = psutil.cpu_times_percent(interval=0.001)
for _ in range(100):
new = psutil.cpu_times_percent(interval=None)
for percent in new:
self._test_cpu_percent(percent, last, new)
self._test_cpu_percent(sum(new), last, new)
last = new
with pytest.raises(ValueError):
psutil.cpu_times_percent(interval=-1)
def test_per_cpu_times_percent(self):
last = psutil.cpu_times_percent(interval=0.001, percpu=True)
assert len(last) == psutil.cpu_count()
for _ in range(100):
new = psutil.cpu_times_percent(interval=None, percpu=True)
for cpu in new:
for percent in cpu:
self._test_cpu_percent(percent, last, new)
self._test_cpu_percent(sum(cpu), last, new)
last = new
def test_per_cpu_times_percent_negative(self):
# see: https://github.com/giampaolo/psutil/issues/645
psutil.cpu_times_percent(percpu=True)
zero_times = [
x._make([0 for x in range(len(x._fields))])
for x in psutil.cpu_times(percpu=True)
]
with mock.patch('psutil.cpu_times', return_value=zero_times):
for cpu in psutil.cpu_times_percent(percpu=True):
for percent in cpu:
self._test_cpu_percent(percent, None, None)
def test_cpu_stats(self):
# Tested more extensively in per-platform test modules.
infos = psutil.cpu_stats()
assert infos._fields == (
'ctx_switches',
'interrupts',
'soft_interrupts',
'syscalls',
)
for name in infos._fields:
value = getattr(infos, name)
assert value >= 0
# on AIX, ctx_switches is always 0
if not AIX and name in ('ctx_switches', 'interrupts'):
assert value > 0
# TODO: remove this once 1892 is fixed
@pytest.mark.skipif(
MACOS and platform.machine() == 'arm64', reason="skipped due to #1892"
)
@pytest.mark.skipif(not HAS_CPU_FREQ, reason="not supported")
def test_cpu_freq(self):
def check_ls(ls):
for nt in ls:
assert nt._fields == ('current', 'min', 'max')
if nt.max != 0.0:
assert nt.current <= nt.max
for name in nt._fields:
value = getattr(nt, name)
assert isinstance(value, (int, long, float))
assert value >= 0
ls = psutil.cpu_freq(percpu=True)
if FREEBSD and not ls:
raise pytest.skip("returns empty list on FreeBSD")
assert ls, ls
check_ls([psutil.cpu_freq(percpu=False)])
if LINUX:
assert len(ls) == psutil.cpu_count()
@pytest.mark.skipif(not HAS_GETLOADAVG, reason="not supported")
def test_getloadavg(self):
loadavg = psutil.getloadavg()
assert len(loadavg) == 3
for load in loadavg:
assert isinstance(load, float)
assert load >= 0.0
class TestDiskAPIs(PsutilTestCase):
@pytest.mark.skipif(
PYPY and not IS_64BIT, reason="unreliable on PYPY32 + 32BIT"
)
def test_disk_usage(self):
usage = psutil.disk_usage(os.getcwd())
assert usage._fields == ('total', 'used', 'free', 'percent')
assert usage.total > 0, usage
assert usage.used > 0, usage
assert usage.free > 0, usage
assert usage.total > usage.used, usage
assert usage.total > usage.free, usage
assert 0 <= usage.percent <= 100, usage.percent
if hasattr(shutil, 'disk_usage'):
# py >= 3.3, see: http://bugs.python.org/issue12442
shutil_usage = shutil.disk_usage(os.getcwd())
tolerance = 5 * 1024 * 1024 # 5MB
assert usage.total == shutil_usage.total
assert abs(usage.free - shutil_usage.free) < tolerance
if not MACOS_12PLUS:
# see https://github.com/giampaolo/psutil/issues/2147
assert abs(usage.used - shutil_usage.used) < tolerance
# if path does not exist OSError ENOENT is expected across
# all platforms
fname = self.get_testfn()
with pytest.raises(FileNotFoundError):
psutil.disk_usage(fname)
@pytest.mark.skipif(not ASCII_FS, reason="not an ASCII fs")
def test_disk_usage_unicode(self):
# See: https://github.com/giampaolo/psutil/issues/416
with pytest.raises(UnicodeEncodeError):
psutil.disk_usage(UNICODE_SUFFIX)
def test_disk_usage_bytes(self):
psutil.disk_usage(b'.')
def test_disk_partitions(self):
def check_ntuple(nt):
assert isinstance(nt.device, str)
assert isinstance(nt.mountpoint, str)
assert isinstance(nt.fstype, str)
assert isinstance(nt.opts, str)
# all = False
ls = psutil.disk_partitions(all=False)
assert ls
for disk in ls:
check_ntuple(disk)
if WINDOWS and 'cdrom' in disk.opts:
continue
if not POSIX:
assert os.path.exists(disk.device), disk
else:
# we cannot make any assumption about this, see:
# http://goo.gl/p9c43
disk.device # noqa
# on modern systems mount points can also be files
assert os.path.exists(disk.mountpoint), disk
assert disk.fstype, disk
# all = True
ls = psutil.disk_partitions(all=True)
assert ls
for disk in psutil.disk_partitions(all=True):
check_ntuple(disk)
if not WINDOWS and disk.mountpoint:
try:
os.stat(disk.mountpoint)
except OSError as err:
if GITHUB_ACTIONS and MACOS and err.errno == errno.EIO:
continue
# http://mail.python.org/pipermail/python-dev/
# 2012-June/120787.html
if err.errno not in (errno.EPERM, errno.EACCES):
raise
else:
assert os.path.exists(disk.mountpoint), disk
# ---
def find_mount_point(path):
path = os.path.abspath(path)
while not os.path.ismount(path):
path = os.path.dirname(path)
return path.lower()
mount = find_mount_point(__file__)
mounts = [
x.mountpoint.lower()
for x in psutil.disk_partitions(all=True)
if x.mountpoint
]
assert mount in mounts
@pytest.mark.skipif(
LINUX and not os.path.exists('/proc/diskstats'),
reason="/proc/diskstats not available on this linux version",
)
@pytest.mark.skipif(
CI_TESTING and not psutil.disk_io_counters(), reason="unreliable on CI"
) # no visible disks
def test_disk_io_counters(self):
def check_ntuple(nt):
assert nt[0] == nt.read_count
assert nt[1] == nt.write_count
assert nt[2] == nt.read_bytes
assert nt[3] == nt.write_bytes
if not (OPENBSD or NETBSD):
assert nt[4] == nt.read_time
assert nt[5] == nt.write_time
if LINUX:
assert nt[6] == nt.read_merged_count
assert nt[7] == nt.write_merged_count
assert nt[8] == nt.busy_time
elif FREEBSD:
assert nt[6] == nt.busy_time
for name in nt._fields:
assert getattr(nt, name) >= 0, nt
ret = psutil.disk_io_counters(perdisk=False)
assert ret is not None, "no disks on this system?"
check_ntuple(ret)
ret = psutil.disk_io_counters(perdisk=True)
# make sure there are no duplicates
assert len(ret) == len(set(ret))
for key in ret:
assert key, key
check_ntuple(ret[key])
def test_disk_io_counters_no_disks(self):
# Emulate a case where no disks are installed, see:
# https://github.com/giampaolo/psutil/issues/1062
with mock.patch(
'psutil._psplatform.disk_io_counters', return_value={}
) as m:
assert psutil.disk_io_counters(perdisk=False) is None
assert psutil.disk_io_counters(perdisk=True) == {}
assert m.called
class TestNetAPIs(PsutilTestCase):
@pytest.mark.skipif(not HAS_NET_IO_COUNTERS, reason="not supported")
def test_net_io_counters(self):
def check_ntuple(nt):
assert nt[0] == nt.bytes_sent
assert nt[1] == nt.bytes_recv
assert nt[2] == nt.packets_sent
assert nt[3] == nt.packets_recv
assert nt[4] == nt.errin
assert nt[5] == nt.errout
assert nt[6] == nt.dropin
assert nt[7] == nt.dropout
assert nt.bytes_sent >= 0, nt
assert nt.bytes_recv >= 0, nt
assert nt.packets_sent >= 0, nt
assert nt.packets_recv >= 0, nt
assert nt.errin >= 0, nt
assert nt.errout >= 0, nt
assert nt.dropin >= 0, nt
assert nt.dropout >= 0, nt
ret = psutil.net_io_counters(pernic=False)
check_ntuple(ret)
ret = psutil.net_io_counters(pernic=True)
assert ret != []
for key in ret:
assert key
assert isinstance(key, str)
check_ntuple(ret[key])
@pytest.mark.skipif(not HAS_NET_IO_COUNTERS, reason="not supported")
def test_net_io_counters_no_nics(self):
# Emulate a case where no NICs are installed, see:
# https://github.com/giampaolo/psutil/issues/1062
with mock.patch(
'psutil._psplatform.net_io_counters', return_value={}
) as m:
assert psutil.net_io_counters(pernic=False) is None
assert psutil.net_io_counters(pernic=True) == {}
assert m.called
@pytest.mark.skipif(QEMU_USER, reason="QEMU user not supported")
def test_net_if_addrs(self):
nics = psutil.net_if_addrs()
assert nics, nics
nic_stats = psutil.net_if_stats()
# Not reliable on all platforms (net_if_addrs() reports more
# interfaces).
# self.assertEqual(sorted(nics.keys()),
# sorted(psutil.net_io_counters(pernic=True).keys()))
families = set([socket.AF_INET, socket.AF_INET6, psutil.AF_LINK])
for nic, addrs in nics.items():
assert isinstance(nic, str)
assert len(set(addrs)) == len(addrs)
for addr in addrs:
assert isinstance(addr.family, int)
assert isinstance(addr.address, str)
assert isinstance(addr.netmask, (str, type(None)))
assert isinstance(addr.broadcast, (str, type(None)))
assert addr.family in families
if PY3 and not PYPY:
assert isinstance(addr.family, enum.IntEnum)
if nic_stats[nic].isup:
# Do not test binding to addresses of interfaces
# that are down
if addr.family == socket.AF_INET:
s = socket.socket(addr.family)
with contextlib.closing(s):
s.bind((addr.address, 0))
elif addr.family == socket.AF_INET6:
info = socket.getaddrinfo(
addr.address,
0,
socket.AF_INET6,
socket.SOCK_STREAM,
0,
socket.AI_PASSIVE,
)[0]
af, socktype, proto, _canonname, sa = info
s = socket.socket(af, socktype, proto)
with contextlib.closing(s):
s.bind(sa)
for ip in (
addr.address,
addr.netmask,
addr.broadcast,
addr.ptp,
):
if ip is not None:
# TODO: skip AF_INET6 for now because I get:
# AddressValueError: Only hex digits permitted in
# u'c6f3%lxcbr0' in u'fe80::c8e0:fff:fe54:c6f3%lxcbr0'
if addr.family != socket.AF_INET6:
check_net_address(ip, addr.family)
# broadcast and ptp addresses are mutually exclusive
if addr.broadcast:
assert addr.ptp is None
elif addr.ptp:
assert addr.broadcast is None
if BSD or MACOS or SUNOS:
if hasattr(socket, "AF_LINK"):
assert psutil.AF_LINK == socket.AF_LINK
elif LINUX:
assert psutil.AF_LINK == socket.AF_PACKET
elif WINDOWS:
assert psutil.AF_LINK == -1
def test_net_if_addrs_mac_null_bytes(self):
# Simulate that the underlying C function returns an incomplete
# MAC address. psutil is supposed to fill it with null bytes.
# https://github.com/giampaolo/psutil/issues/786
if POSIX:
ret = [('em1', psutil.AF_LINK, '06:3d:29', None, None, None)]
else:
ret = [('em1', -1, '06-3d-29', None, None, None)]
with mock.patch(
'psutil._psplatform.net_if_addrs', return_value=ret
) as m:
addr = psutil.net_if_addrs()['em1'][0]
assert m.called
if POSIX:
assert addr.address == '06:3d:29:00:00:00'
else:
assert addr.address == '06-3d-29-00-00-00'
@pytest.mark.skipif(QEMU_USER, reason="QEMU user not supported")
def test_net_if_stats(self):
nics = psutil.net_if_stats()
assert nics, nics
all_duplexes = (
psutil.NIC_DUPLEX_FULL,
psutil.NIC_DUPLEX_HALF,
psutil.NIC_DUPLEX_UNKNOWN,
)
for name, stats in nics.items():
assert isinstance(name, str)
isup, duplex, speed, mtu, flags = stats
assert isinstance(isup, bool)
assert duplex in all_duplexes
assert duplex in all_duplexes
assert speed >= 0
assert mtu >= 0
assert isinstance(flags, str)
@pytest.mark.skipif(
not (LINUX or BSD or MACOS), reason="LINUX or BSD or MACOS specific"
)
def test_net_if_stats_enodev(self):
# See: https://github.com/giampaolo/psutil/issues/1279
with mock.patch(
'psutil._psutil_posix.net_if_mtu',
side_effect=OSError(errno.ENODEV, ""),
) as m:
ret = psutil.net_if_stats()
assert ret == {}
assert m.called
class TestSensorsAPIs(PsutilTestCase):
@pytest.mark.skipif(not HAS_SENSORS_TEMPERATURES, reason="not supported")
def test_sensors_temperatures(self):
temps = psutil.sensors_temperatures()
for name, entries in temps.items():
assert isinstance(name, str)
for entry in entries:
assert isinstance(entry.label, str)
if entry.current is not None:
assert entry.current >= 0
if entry.high is not None:
assert entry.high >= 0
if entry.critical is not None:
assert entry.critical >= 0
@pytest.mark.skipif(not HAS_SENSORS_TEMPERATURES, reason="not supported")
def test_sensors_temperatures_fahreneit(self):
d = {'coretemp': [('label', 50.0, 60.0, 70.0)]}
with mock.patch(
"psutil._psplatform.sensors_temperatures", return_value=d
) as m:
temps = psutil.sensors_temperatures(fahrenheit=True)['coretemp'][0]
assert m.called
assert temps.current == 122.0
assert temps.high == 140.0
assert temps.critical == 158.0
@pytest.mark.skipif(not HAS_SENSORS_BATTERY, reason="not supported")
@pytest.mark.skipif(not HAS_BATTERY, reason="no battery")
def test_sensors_battery(self):
ret = psutil.sensors_battery()
assert ret.percent >= 0
assert ret.percent <= 100
if ret.secsleft not in (
psutil.POWER_TIME_UNKNOWN,
psutil.POWER_TIME_UNLIMITED,
):
assert ret.secsleft >= 0
else:
if ret.secsleft == psutil.POWER_TIME_UNLIMITED:
assert ret.power_plugged
assert isinstance(ret.power_plugged, bool)
@pytest.mark.skipif(not HAS_SENSORS_FANS, reason="not supported")
def test_sensors_fans(self):
fans = psutil.sensors_fans()
for name, entries in fans.items():
assert isinstance(name, str)
for entry in entries:
assert isinstance(entry.label, str)
assert isinstance(entry.current, (int, long))
assert entry.current >= 0