893 lines
35 KiB
Python
893 lines
35 KiB
Python
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#!/usr/bin/env python3
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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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"""Tests for system APIS."""
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import contextlib
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import datetime
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import errno
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import os
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import platform
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import pprint
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import shutil
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import signal
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import socket
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import sys
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import time
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import unittest
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import psutil
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from psutil import AIX
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from psutil import BSD
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from psutil import FREEBSD
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from psutil import LINUX
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from psutil import MACOS
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from psutil import NETBSD
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from psutil import OPENBSD
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from psutil import POSIX
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from psutil import SUNOS
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from psutil import WINDOWS
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from psutil._compat import FileNotFoundError
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from psutil._compat import long
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from psutil.tests import ASCII_FS
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from psutil.tests import CI_TESTING
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from psutil.tests import DEVNULL
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from psutil.tests import GITHUB_ACTIONS
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from psutil.tests import GLOBAL_TIMEOUT
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from psutil.tests import HAS_BATTERY
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from psutil.tests import HAS_CPU_FREQ
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from psutil.tests import HAS_GETLOADAVG
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from psutil.tests import HAS_NET_IO_COUNTERS
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from psutil.tests import HAS_SENSORS_BATTERY
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from psutil.tests import HAS_SENSORS_FANS
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from psutil.tests import HAS_SENSORS_TEMPERATURES
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from psutil.tests import IS_64BIT
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from psutil.tests import MACOS_12PLUS
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from psutil.tests import PYPY
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from psutil.tests import UNICODE_SUFFIX
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from psutil.tests import PsutilTestCase
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from psutil.tests import check_net_address
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from psutil.tests import enum
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from psutil.tests import mock
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from psutil.tests import retry_on_failure
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# ===================================================================
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# --- System-related API tests
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# ===================================================================
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class TestProcessAPIs(PsutilTestCase):
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def test_process_iter(self):
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self.assertIn(os.getpid(), [x.pid for x in psutil.process_iter()])
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sproc = self.spawn_testproc()
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self.assertIn(sproc.pid, [x.pid for x in psutil.process_iter()])
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p = psutil.Process(sproc.pid)
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p.kill()
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p.wait()
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self.assertNotIn(sproc.pid, [x.pid for x in psutil.process_iter()])
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with mock.patch('psutil.Process',
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side_effect=psutil.NoSuchProcess(os.getpid())):
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self.assertEqual(list(psutil.process_iter()), [])
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with mock.patch('psutil.Process',
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side_effect=psutil.AccessDenied(os.getpid())):
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with self.assertRaises(psutil.AccessDenied):
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list(psutil.process_iter())
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def test_prcess_iter_w_attrs(self):
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for p in psutil.process_iter(attrs=['pid']):
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self.assertEqual(list(p.info.keys()), ['pid'])
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with self.assertRaises(ValueError):
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list(psutil.process_iter(attrs=['foo']))
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with mock.patch("psutil._psplatform.Process.cpu_times",
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side_effect=psutil.AccessDenied(0, "")) as m:
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for p in psutil.process_iter(attrs=["pid", "cpu_times"]):
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self.assertIsNone(p.info['cpu_times'])
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self.assertGreaterEqual(p.info['pid'], 0)
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assert m.called
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with mock.patch("psutil._psplatform.Process.cpu_times",
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side_effect=psutil.AccessDenied(0, "")) as m:
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flag = object()
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for p in psutil.process_iter(
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attrs=["pid", "cpu_times"], ad_value=flag):
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self.assertIs(p.info['cpu_times'], flag)
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self.assertGreaterEqual(p.info['pid'], 0)
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assert m.called
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@unittest.skipIf(PYPY and WINDOWS,
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"spawn_testproc() unreliable on PYPY + WINDOWS")
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def test_wait_procs(self):
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def callback(p):
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pids.append(p.pid)
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pids = []
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sproc1 = self.spawn_testproc()
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sproc2 = self.spawn_testproc()
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sproc3 = self.spawn_testproc()
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procs = [psutil.Process(x.pid) for x in (sproc1, sproc2, sproc3)]
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self.assertRaises(ValueError, psutil.wait_procs, procs, timeout=-1)
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self.assertRaises(TypeError, psutil.wait_procs, procs, callback=1)
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t = time.time()
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gone, alive = psutil.wait_procs(procs, timeout=0.01, callback=callback)
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self.assertLess(time.time() - t, 0.5)
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self.assertEqual(gone, [])
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self.assertEqual(len(alive), 3)
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self.assertEqual(pids, [])
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for p in alive:
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self.assertFalse(hasattr(p, 'returncode'))
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@retry_on_failure(30)
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def test_1(procs, callback):
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gone, alive = psutil.wait_procs(procs, timeout=0.03,
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callback=callback)
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self.assertEqual(len(gone), 1)
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self.assertEqual(len(alive), 2)
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return gone, alive
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sproc3.terminate()
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gone, alive = test_1(procs, callback)
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self.assertIn(sproc3.pid, [x.pid for x in gone])
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if POSIX:
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self.assertEqual(gone.pop().returncode, -signal.SIGTERM)
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else:
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self.assertEqual(gone.pop().returncode, 1)
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self.assertEqual(pids, [sproc3.pid])
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for p in alive:
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self.assertFalse(hasattr(p, 'returncode'))
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@retry_on_failure(30)
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def test_2(procs, callback):
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gone, alive = psutil.wait_procs(procs, timeout=0.03,
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callback=callback)
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self.assertEqual(len(gone), 3)
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self.assertEqual(len(alive), 0)
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return gone, alive
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sproc1.terminate()
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sproc2.terminate()
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gone, alive = test_2(procs, callback)
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self.assertEqual(set(pids), set([sproc1.pid, sproc2.pid, sproc3.pid]))
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for p in gone:
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self.assertTrue(hasattr(p, 'returncode'))
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@unittest.skipIf(PYPY and WINDOWS,
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"spawn_testproc() unreliable on PYPY + WINDOWS")
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def test_wait_procs_no_timeout(self):
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sproc1 = self.spawn_testproc()
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sproc2 = self.spawn_testproc()
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sproc3 = self.spawn_testproc()
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procs = [psutil.Process(x.pid) for x in (sproc1, sproc2, sproc3)]
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for p in procs:
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p.terminate()
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psutil.wait_procs(procs)
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def test_pid_exists(self):
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sproc = self.spawn_testproc()
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self.assertTrue(psutil.pid_exists(sproc.pid))
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p = psutil.Process(sproc.pid)
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p.kill()
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p.wait()
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self.assertFalse(psutil.pid_exists(sproc.pid))
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self.assertFalse(psutil.pid_exists(-1))
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self.assertEqual(psutil.pid_exists(0), 0 in psutil.pids())
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def test_pid_exists_2(self):
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pids = psutil.pids()
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for pid in pids:
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try:
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assert psutil.pid_exists(pid)
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except AssertionError:
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# in case the process disappeared in meantime fail only
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# if it is no longer in psutil.pids()
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time.sleep(.1)
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self.assertNotIn(pid, psutil.pids())
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pids = range(max(pids) + 15000, max(pids) + 16000)
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for pid in pids:
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self.assertFalse(psutil.pid_exists(pid), msg=pid)
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class TestMiscAPIs(PsutilTestCase):
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def test_boot_time(self):
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bt = psutil.boot_time()
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self.assertIsInstance(bt, float)
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self.assertGreater(bt, 0)
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self.assertLess(bt, time.time())
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@unittest.skipIf(CI_TESTING and not psutil.users(), "unreliable on CI")
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def test_users(self):
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users = psutil.users()
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self.assertNotEqual(users, [])
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for user in users:
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assert user.name, user
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self.assertIsInstance(user.name, str)
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self.assertIsInstance(user.terminal, (str, type(None)))
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if user.host is not None:
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self.assertIsInstance(user.host, (str, type(None)))
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user.terminal
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user.host
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assert user.started > 0.0, user
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datetime.datetime.fromtimestamp(user.started)
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if WINDOWS or OPENBSD:
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self.assertIsNone(user.pid)
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else:
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psutil.Process(user.pid)
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def test_test(self):
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# test for psutil.test() function
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stdout = sys.stdout
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sys.stdout = DEVNULL
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try:
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psutil.test()
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finally:
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sys.stdout = stdout
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def test_os_constants(self):
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names = ["POSIX", "WINDOWS", "LINUX", "MACOS", "FREEBSD", "OPENBSD",
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"NETBSD", "BSD", "SUNOS"]
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for name in names:
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self.assertIsInstance(getattr(psutil, name), bool, msg=name)
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if os.name == 'posix':
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assert psutil.POSIX
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assert not psutil.WINDOWS
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names.remove("POSIX")
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if "linux" in sys.platform.lower():
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assert psutil.LINUX
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names.remove("LINUX")
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elif "bsd" in sys.platform.lower():
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assert psutil.BSD
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self.assertEqual([psutil.FREEBSD, psutil.OPENBSD,
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psutil.NETBSD].count(True), 1)
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names.remove("BSD")
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names.remove("FREEBSD")
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names.remove("OPENBSD")
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names.remove("NETBSD")
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elif "sunos" in sys.platform.lower() or \
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"solaris" in sys.platform.lower():
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assert psutil.SUNOS
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names.remove("SUNOS")
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elif "darwin" in sys.platform.lower():
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assert psutil.MACOS
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names.remove("MACOS")
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else:
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assert psutil.WINDOWS
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assert not psutil.POSIX
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names.remove("WINDOWS")
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# assert all other constants are set to False
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for name in names:
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self.assertIs(getattr(psutil, name), False, msg=name)
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class TestMemoryAPIs(PsutilTestCase):
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def test_virtual_memory(self):
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mem = psutil.virtual_memory()
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assert mem.total > 0, mem
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assert mem.available > 0, mem
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assert 0 <= mem.percent <= 100, mem
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assert mem.used > 0, mem
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assert mem.free >= 0, mem
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for name in mem._fields:
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value = getattr(mem, name)
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if name != 'percent':
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self.assertIsInstance(value, (int, long))
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if name != 'total':
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if not value >= 0:
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raise self.fail("%r < 0 (%s)" % (name, value))
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if value > mem.total:
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raise self.fail("%r > total (total=%s, %s=%s)"
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% (name, mem.total, name, value))
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def test_swap_memory(self):
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mem = psutil.swap_memory()
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self.assertEqual(
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mem._fields, ('total', 'used', 'free', 'percent', 'sin', 'sout'))
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assert mem.total >= 0, mem
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assert mem.used >= 0, mem
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if mem.total > 0:
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# likely a system with no swap partition
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assert mem.free > 0, mem
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else:
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assert mem.free == 0, mem
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assert 0 <= mem.percent <= 100, mem
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assert mem.sin >= 0, mem
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assert mem.sout >= 0, mem
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class TestCpuAPIs(PsutilTestCase):
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def test_cpu_count_logical(self):
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logical = psutil.cpu_count()
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self.assertIsNotNone(logical)
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self.assertEqual(logical, len(psutil.cpu_times(percpu=True)))
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self.assertGreaterEqual(logical, 1)
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#
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if os.path.exists("/proc/cpuinfo"):
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with open("/proc/cpuinfo") as fd:
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cpuinfo_data = fd.read()
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if "physical id" not in cpuinfo_data:
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raise unittest.SkipTest("cpuinfo doesn't include physical id")
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def test_cpu_count_cores(self):
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logical = psutil.cpu_count()
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cores = psutil.cpu_count(logical=False)
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if cores is None:
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raise self.skipTest("cpu_count_cores() is None")
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if WINDOWS and sys.getwindowsversion()[:2] <= (6, 1): # <= Vista
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self.assertIsNone(cores)
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else:
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self.assertGreaterEqual(cores, 1)
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self.assertGreaterEqual(logical, cores)
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def test_cpu_count_none(self):
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# https://github.com/giampaolo/psutil/issues/1085
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for val in (-1, 0, None):
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with mock.patch('psutil._psplatform.cpu_count_logical',
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return_value=val) as m:
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self.assertIsNone(psutil.cpu_count())
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assert m.called
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with mock.patch('psutil._psplatform.cpu_count_cores',
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return_value=val) as m:
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self.assertIsNone(psutil.cpu_count(logical=False))
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assert m.called
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def test_cpu_times(self):
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# Check type, value >= 0, str().
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total = 0
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times = psutil.cpu_times()
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sum(times)
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for cp_time in times:
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self.assertIsInstance(cp_time, float)
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self.assertGreaterEqual(cp_time, 0.0)
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total += cp_time
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self.assertEqual(total, sum(times))
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str(times)
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# CPU times are always supposed to increase over time
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# or at least remain the same and that's because time
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# cannot go backwards.
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||
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# Surprisingly sometimes this might not be the case (at
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|
|
# 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:
|
||
|
|
self.assertIsInstance(cp_time, float)
|
||
|
|
self.assertGreaterEqual(cp_time, 0.0)
|
||
|
|
total += cp_time
|
||
|
|
self.assertEqual(total, sum(times))
|
||
|
|
str(times)
|
||
|
|
self.assertEqual(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
|
||
|
|
|
||
|
|
def test_cpu_times_comparison(self):
|
||
|
|
# Make sure the sum of all per cpu times is almost equal to
|
||
|
|
# base "one cpu" times.
|
||
|
|
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:
|
||
|
|
self.assertAlmostEqual(
|
||
|
|
getattr(base, field), getattr(summed_values, field), delta=1)
|
||
|
|
|
||
|
|
def _test_cpu_percent(self, percent, last_ret, new_ret):
|
||
|
|
try:
|
||
|
|
self.assertIsInstance(percent, float)
|
||
|
|
self.assertGreaterEqual(percent, 0.0)
|
||
|
|
self.assertIsNot(percent, -0.0)
|
||
|
|
self.assertLessEqual(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 self.assertRaises(ValueError):
|
||
|
|
psutil.cpu_percent(interval=-1)
|
||
|
|
|
||
|
|
def test_per_cpu_percent(self):
|
||
|
|
last = psutil.cpu_percent(interval=0.001, percpu=True)
|
||
|
|
self.assertEqual(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 self.assertRaises(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 self.assertRaises(ValueError):
|
||
|
|
psutil.cpu_times_percent(interval=-1)
|
||
|
|
|
||
|
|
def test_per_cpu_times_percent(self):
|
||
|
|
last = psutil.cpu_times_percent(interval=0.001, percpu=True)
|
||
|
|
self.assertEqual(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()
|
||
|
|
self.assertEqual(
|
||
|
|
infos._fields,
|
||
|
|
('ctx_switches', 'interrupts', 'soft_interrupts', 'syscalls'))
|
||
|
|
for name in infos._fields:
|
||
|
|
value = getattr(infos, name)
|
||
|
|
self.assertGreaterEqual(value, 0)
|
||
|
|
# on AIX, ctx_switches is always 0
|
||
|
|
if not AIX and name in ('ctx_switches', 'interrupts'):
|
||
|
|
self.assertGreater(value, 0)
|
||
|
|
|
||
|
|
# TODO: remove this once 1892 is fixed
|
||
|
|
@unittest.skipIf(MACOS and platform.machine() == 'arm64',
|
||
|
|
"skipped due to #1892")
|
||
|
|
@unittest.skipIf(not HAS_CPU_FREQ, "not supported")
|
||
|
|
def test_cpu_freq(self):
|
||
|
|
def check_ls(ls):
|
||
|
|
for nt in ls:
|
||
|
|
self.assertEqual(nt._fields, ('current', 'min', 'max'))
|
||
|
|
if nt.max != 0.0:
|
||
|
|
self.assertLessEqual(nt.current, nt.max)
|
||
|
|
for name in nt._fields:
|
||
|
|
value = getattr(nt, name)
|
||
|
|
self.assertIsInstance(value, (int, long, float))
|
||
|
|
self.assertGreaterEqual(value, 0)
|
||
|
|
|
||
|
|
ls = psutil.cpu_freq(percpu=True)
|
||
|
|
if FREEBSD and not ls:
|
||
|
|
raise self.skipTest("returns empty list on FreeBSD")
|
||
|
|
|
||
|
|
assert ls, ls
|
||
|
|
check_ls([psutil.cpu_freq(percpu=False)])
|
||
|
|
|
||
|
|
if LINUX:
|
||
|
|
self.assertEqual(len(ls), psutil.cpu_count())
|
||
|
|
|
||
|
|
@unittest.skipIf(not HAS_GETLOADAVG, "not supported")
|
||
|
|
def test_getloadavg(self):
|
||
|
|
loadavg = psutil.getloadavg()
|
||
|
|
self.assertEqual(len(loadavg), 3)
|
||
|
|
for load in loadavg:
|
||
|
|
self.assertIsInstance(load, float)
|
||
|
|
self.assertGreaterEqual(load, 0.0)
|
||
|
|
|
||
|
|
|
||
|
|
class TestDiskAPIs(PsutilTestCase):
|
||
|
|
|
||
|
|
@unittest.skipIf(PYPY and not IS_64BIT, "unreliable on PYPY32 + 32BIT")
|
||
|
|
def test_disk_usage(self):
|
||
|
|
usage = psutil.disk_usage(os.getcwd())
|
||
|
|
self.assertEqual(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
|
||
|
|
self.assertEqual(usage.total, shutil_usage.total)
|
||
|
|
self.assertAlmostEqual(usage.free, shutil_usage.free,
|
||
|
|
delta=tolerance)
|
||
|
|
if not MACOS_12PLUS:
|
||
|
|
# see https://github.com/giampaolo/psutil/issues/2147
|
||
|
|
self.assertAlmostEqual(usage.used, shutil_usage.used,
|
||
|
|
delta=tolerance)
|
||
|
|
|
||
|
|
# if path does not exist OSError ENOENT is expected across
|
||
|
|
# all platforms
|
||
|
|
fname = self.get_testfn()
|
||
|
|
with self.assertRaises(FileNotFoundError):
|
||
|
|
psutil.disk_usage(fname)
|
||
|
|
|
||
|
|
@unittest.skipIf(not ASCII_FS, "not an ASCII fs")
|
||
|
|
def test_disk_usage_unicode(self):
|
||
|
|
# See: https://github.com/giampaolo/psutil/issues/416
|
||
|
|
with self.assertRaises(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):
|
||
|
|
self.assertIsInstance(nt.device, str)
|
||
|
|
self.assertIsInstance(nt.mountpoint, str)
|
||
|
|
self.assertIsInstance(nt.fstype, str)
|
||
|
|
self.assertIsInstance(nt.opts, str)
|
||
|
|
self.assertIsInstance(nt.maxfile, (int, type(None)))
|
||
|
|
self.assertIsInstance(nt.maxpath, (int, type(None)))
|
||
|
|
if nt.maxfile is not None and not GITHUB_ACTIONS:
|
||
|
|
self.assertGreater(nt.maxfile, 0)
|
||
|
|
if nt.maxpath is not None:
|
||
|
|
self.assertGreater(nt.maxpath, 0)
|
||
|
|
|
||
|
|
# all = False
|
||
|
|
ls = psutil.disk_partitions(all=False)
|
||
|
|
self.assertTrue(ls, msg=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
|
||
|
|
# 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)
|
||
|
|
self.assertTrue(ls, msg=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]
|
||
|
|
self.assertIn(mount, mounts)
|
||
|
|
|
||
|
|
@unittest.skipIf(LINUX and not os.path.exists('/proc/diskstats'),
|
||
|
|
'/proc/diskstats not available on this linux version')
|
||
|
|
@unittest.skipIf(CI_TESTING and not psutil.disk_io_counters(),
|
||
|
|
"unreliable on CI") # no visible disks
|
||
|
|
def test_disk_io_counters(self):
|
||
|
|
def check_ntuple(nt):
|
||
|
|
self.assertEqual(nt[0], nt.read_count)
|
||
|
|
self.assertEqual(nt[1], nt.write_count)
|
||
|
|
self.assertEqual(nt[2], nt.read_bytes)
|
||
|
|
self.assertEqual(nt[3], nt.write_bytes)
|
||
|
|
if not (OPENBSD or NETBSD):
|
||
|
|
self.assertEqual(nt[4], nt.read_time)
|
||
|
|
self.assertEqual(nt[5], nt.write_time)
|
||
|
|
if LINUX:
|
||
|
|
self.assertEqual(nt[6], nt.read_merged_count)
|
||
|
|
self.assertEqual(nt[7], nt.write_merged_count)
|
||
|
|
self.assertEqual(nt[8], nt.busy_time)
|
||
|
|
elif FREEBSD:
|
||
|
|
self.assertEqual(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
|
||
|
|
self.assertEqual(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:
|
||
|
|
self.assertIsNone(psutil.disk_io_counters(perdisk=False))
|
||
|
|
self.assertEqual(psutil.disk_io_counters(perdisk=True), {})
|
||
|
|
assert m.called
|
||
|
|
|
||
|
|
|
||
|
|
class TestNetAPIs(PsutilTestCase):
|
||
|
|
|
||
|
|
@unittest.skipIf(not HAS_NET_IO_COUNTERS, 'not supported')
|
||
|
|
def test_net_io_counters(self):
|
||
|
|
def check_ntuple(nt):
|
||
|
|
self.assertEqual(nt[0], nt.bytes_sent)
|
||
|
|
self.assertEqual(nt[1], nt.bytes_recv)
|
||
|
|
self.assertEqual(nt[2], nt.packets_sent)
|
||
|
|
self.assertEqual(nt[3], nt.packets_recv)
|
||
|
|
self.assertEqual(nt[4], nt.errin)
|
||
|
|
self.assertEqual(nt[5], nt.errout)
|
||
|
|
self.assertEqual(nt[6], nt.dropin)
|
||
|
|
self.assertEqual(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)
|
||
|
|
self.assertNotEqual(ret, [])
|
||
|
|
for key in ret:
|
||
|
|
self.assertTrue(key)
|
||
|
|
self.assertIsInstance(key, str)
|
||
|
|
check_ntuple(ret[key])
|
||
|
|
|
||
|
|
@unittest.skipIf(not HAS_NET_IO_COUNTERS, '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:
|
||
|
|
self.assertIsNone(psutil.net_io_counters(pernic=False))
|
||
|
|
self.assertEqual(psutil.net_io_counters(pernic=True), {})
|
||
|
|
assert m.called
|
||
|
|
|
||
|
|
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():
|
||
|
|
self.assertIsInstance(nic, str)
|
||
|
|
self.assertEqual(len(set(addrs)), len(addrs))
|
||
|
|
for addr in addrs:
|
||
|
|
self.assertIsInstance(addr.family, int)
|
||
|
|
self.assertIsInstance(addr.address, str)
|
||
|
|
self.assertIsInstance(addr.netmask, (str, type(None)))
|
||
|
|
self.assertIsInstance(addr.broadcast, (str, type(None)))
|
||
|
|
self.assertIn(addr.family, families)
|
||
|
|
if sys.version_info >= (3, 4) and not PYPY:
|
||
|
|
self.assertIsInstance(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:
|
||
|
|
self.assertIsNone(addr.ptp)
|
||
|
|
elif addr.ptp:
|
||
|
|
self.assertIsNone(addr.broadcast)
|
||
|
|
|
||
|
|
if BSD or MACOS or SUNOS:
|
||
|
|
if hasattr(socket, "AF_LINK"):
|
||
|
|
self.assertEqual(psutil.AF_LINK, socket.AF_LINK)
|
||
|
|
elif LINUX:
|
||
|
|
self.assertEqual(psutil.AF_LINK, socket.AF_PACKET)
|
||
|
|
elif WINDOWS:
|
||
|
|
self.assertEqual(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:
|
||
|
|
self.assertEqual(addr.address, '06:3d:29:00:00:00')
|
||
|
|
else:
|
||
|
|
self.assertEqual(addr.address, '06-3d-29-00-00-00')
|
||
|
|
|
||
|
|
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():
|
||
|
|
self.assertIsInstance(name, str)
|
||
|
|
isup, duplex, speed, mtu, flags = stats
|
||
|
|
self.assertIsInstance(isup, bool)
|
||
|
|
self.assertIn(duplex, all_duplexes)
|
||
|
|
self.assertIn(duplex, all_duplexes)
|
||
|
|
self.assertGreaterEqual(speed, 0)
|
||
|
|
self.assertGreaterEqual(mtu, 0)
|
||
|
|
self.assertIsInstance(flags, str)
|
||
|
|
|
||
|
|
@unittest.skipIf(not (LINUX or BSD or MACOS),
|
||
|
|
"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()
|
||
|
|
self.assertEqual(ret, {})
|
||
|
|
assert m.called
|
||
|
|
|
||
|
|
|
||
|
|
class TestSensorsAPIs(PsutilTestCase):
|
||
|
|
|
||
|
|
@unittest.skipIf(not HAS_SENSORS_TEMPERATURES, "not supported")
|
||
|
|
def test_sensors_temperatures(self):
|
||
|
|
temps = psutil.sensors_temperatures()
|
||
|
|
for name, entries in temps.items():
|
||
|
|
self.assertIsInstance(name, str)
|
||
|
|
for entry in entries:
|
||
|
|
self.assertIsInstance(entry.label, str)
|
||
|
|
if entry.current is not None:
|
||
|
|
self.assertGreaterEqual(entry.current, 0)
|
||
|
|
if entry.high is not None:
|
||
|
|
self.assertGreaterEqual(entry.high, 0)
|
||
|
|
if entry.critical is not None:
|
||
|
|
self.assertGreaterEqual(entry.critical, 0)
|
||
|
|
|
||
|
|
@unittest.skipIf(not HAS_SENSORS_TEMPERATURES, "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
|
||
|
|
self.assertEqual(temps.current, 122.0)
|
||
|
|
self.assertEqual(temps.high, 140.0)
|
||
|
|
self.assertEqual(temps.critical, 158.0)
|
||
|
|
|
||
|
|
@unittest.skipIf(not HAS_SENSORS_BATTERY, "not supported")
|
||
|
|
@unittest.skipIf(not HAS_BATTERY, "no battery")
|
||
|
|
def test_sensors_battery(self):
|
||
|
|
ret = psutil.sensors_battery()
|
||
|
|
self.assertGreaterEqual(ret.percent, 0)
|
||
|
|
self.assertLessEqual(ret.percent, 100)
|
||
|
|
if ret.secsleft not in (psutil.POWER_TIME_UNKNOWN,
|
||
|
|
psutil.POWER_TIME_UNLIMITED):
|
||
|
|
self.assertGreaterEqual(ret.secsleft, 0)
|
||
|
|
else:
|
||
|
|
if ret.secsleft == psutil.POWER_TIME_UNLIMITED:
|
||
|
|
self.assertTrue(ret.power_plugged)
|
||
|
|
self.assertIsInstance(ret.power_plugged, bool)
|
||
|
|
|
||
|
|
@unittest.skipIf(not HAS_SENSORS_FANS, "not supported")
|
||
|
|
def test_sensors_fans(self):
|
||
|
|
fans = psutil.sensors_fans()
|
||
|
|
for name, entries in fans.items():
|
||
|
|
self.assertIsInstance(name, str)
|
||
|
|
for entry in entries:
|
||
|
|
self.assertIsInstance(entry.label, str)
|
||
|
|
self.assertIsInstance(entry.current, (int, long))
|
||
|
|
self.assertGreaterEqual(entry.current, 0)
|
||
|
|
|
||
|
|
|
||
|
|
if __name__ == '__main__':
|
||
|
|
from psutil.tests.runner import run_from_name
|
||
|
|
run_from_name(__file__)
|