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#!/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
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