350 lines
13 KiB
Python
350 lines
13 KiB
Python
#!/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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"""Contracts tests. These tests mainly check API sanity in terms of
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returned types and APIs availability.
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Some of these are duplicates of tests test_system.py and test_process.py.
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"""
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import platform
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import signal
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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 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 long
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from psutil.tests import GITHUB_ACTIONS
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from psutil.tests import HAS_CPU_FREQ
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from psutil.tests import HAS_NET_IO_COUNTERS
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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 PYPY
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from psutil.tests import QEMU_USER
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from psutil.tests import SKIP_SYSCONS
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from psutil.tests import PsutilTestCase
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from psutil.tests import create_sockets
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from psutil.tests import enum
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from psutil.tests import is_namedtuple
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from psutil.tests import kernel_version
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# ===================================================================
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# --- APIs availability
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# ===================================================================
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# Make sure code reflects what doc promises in terms of APIs
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# availability.
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class TestAvailConstantsAPIs(PsutilTestCase):
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def test_PROCFS_PATH(self):
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self.assertEqual(hasattr(psutil, "PROCFS_PATH"), LINUX or SUNOS or AIX)
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def test_win_priority(self):
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ae = self.assertEqual
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ae(hasattr(psutil, "ABOVE_NORMAL_PRIORITY_CLASS"), WINDOWS)
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ae(hasattr(psutil, "BELOW_NORMAL_PRIORITY_CLASS"), WINDOWS)
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ae(hasattr(psutil, "HIGH_PRIORITY_CLASS"), WINDOWS)
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ae(hasattr(psutil, "IDLE_PRIORITY_CLASS"), WINDOWS)
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ae(hasattr(psutil, "NORMAL_PRIORITY_CLASS"), WINDOWS)
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ae(hasattr(psutil, "REALTIME_PRIORITY_CLASS"), WINDOWS)
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def test_linux_ioprio_linux(self):
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ae = self.assertEqual
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ae(hasattr(psutil, "IOPRIO_CLASS_NONE"), LINUX)
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ae(hasattr(psutil, "IOPRIO_CLASS_RT"), LINUX)
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ae(hasattr(psutil, "IOPRIO_CLASS_BE"), LINUX)
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ae(hasattr(psutil, "IOPRIO_CLASS_IDLE"), LINUX)
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def test_linux_ioprio_windows(self):
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ae = self.assertEqual
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ae(hasattr(psutil, "IOPRIO_HIGH"), WINDOWS)
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ae(hasattr(psutil, "IOPRIO_NORMAL"), WINDOWS)
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ae(hasattr(psutil, "IOPRIO_LOW"), WINDOWS)
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ae(hasattr(psutil, "IOPRIO_VERYLOW"), WINDOWS)
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@unittest.skipIf(
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GITHUB_ACTIONS and LINUX, "unsupported on GITHUB_ACTIONS + LINUX"
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)
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def test_rlimit(self):
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ae = self.assertEqual
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ae(hasattr(psutil, "RLIM_INFINITY"), LINUX or FREEBSD)
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ae(hasattr(psutil, "RLIMIT_AS"), LINUX or FREEBSD)
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ae(hasattr(psutil, "RLIMIT_CORE"), LINUX or FREEBSD)
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ae(hasattr(psutil, "RLIMIT_CPU"), LINUX or FREEBSD)
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ae(hasattr(psutil, "RLIMIT_DATA"), LINUX or FREEBSD)
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ae(hasattr(psutil, "RLIMIT_FSIZE"), LINUX or FREEBSD)
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ae(hasattr(psutil, "RLIMIT_MEMLOCK"), LINUX or FREEBSD)
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ae(hasattr(psutil, "RLIMIT_NOFILE"), LINUX or FREEBSD)
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ae(hasattr(psutil, "RLIMIT_NPROC"), LINUX or FREEBSD)
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ae(hasattr(psutil, "RLIMIT_RSS"), LINUX or FREEBSD)
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ae(hasattr(psutil, "RLIMIT_STACK"), LINUX or FREEBSD)
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ae(hasattr(psutil, "RLIMIT_LOCKS"), LINUX)
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if POSIX:
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if kernel_version() >= (2, 6, 8):
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ae(hasattr(psutil, "RLIMIT_MSGQUEUE"), LINUX)
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if kernel_version() >= (2, 6, 12):
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ae(hasattr(psutil, "RLIMIT_NICE"), LINUX)
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if kernel_version() >= (2, 6, 12):
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ae(hasattr(psutil, "RLIMIT_RTPRIO"), LINUX)
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if kernel_version() >= (2, 6, 25):
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ae(hasattr(psutil, "RLIMIT_RTTIME"), LINUX)
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if kernel_version() >= (2, 6, 8):
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ae(hasattr(psutil, "RLIMIT_SIGPENDING"), LINUX)
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ae(hasattr(psutil, "RLIMIT_SWAP"), FREEBSD)
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ae(hasattr(psutil, "RLIMIT_SBSIZE"), FREEBSD)
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ae(hasattr(psutil, "RLIMIT_NPTS"), FREEBSD)
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class TestAvailSystemAPIs(PsutilTestCase):
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def test_win_service_iter(self):
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self.assertEqual(hasattr(psutil, "win_service_iter"), WINDOWS)
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def test_win_service_get(self):
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self.assertEqual(hasattr(psutil, "win_service_get"), WINDOWS)
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def test_cpu_freq(self):
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self.assertEqual(
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hasattr(psutil, "cpu_freq"),
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LINUX or MACOS or WINDOWS or FREEBSD or OPENBSD,
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)
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def test_sensors_temperatures(self):
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self.assertEqual(
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hasattr(psutil, "sensors_temperatures"), LINUX or FREEBSD
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)
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def test_sensors_fans(self):
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self.assertEqual(hasattr(psutil, "sensors_fans"), LINUX)
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def test_battery(self):
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self.assertEqual(
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hasattr(psutil, "sensors_battery"),
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LINUX or WINDOWS or FREEBSD or MACOS,
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)
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class TestAvailProcessAPIs(PsutilTestCase):
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def test_environ(self):
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self.assertEqual(
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hasattr(psutil.Process, "environ"),
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LINUX
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or MACOS
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or WINDOWS
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or AIX
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or SUNOS
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or FREEBSD
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or OPENBSD
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or NETBSD,
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)
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def test_uids(self):
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self.assertEqual(hasattr(psutil.Process, "uids"), POSIX)
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def test_gids(self):
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self.assertEqual(hasattr(psutil.Process, "uids"), POSIX)
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def test_terminal(self):
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self.assertEqual(hasattr(psutil.Process, "terminal"), POSIX)
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def test_ionice(self):
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self.assertEqual(hasattr(psutil.Process, "ionice"), LINUX or WINDOWS)
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@unittest.skipIf(
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GITHUB_ACTIONS and LINUX, "unsupported on GITHUB_ACTIONS + LINUX"
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)
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def test_rlimit(self):
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self.assertEqual(hasattr(psutil.Process, "rlimit"), LINUX or FREEBSD)
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def test_io_counters(self):
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hasit = hasattr(psutil.Process, "io_counters")
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self.assertEqual(hasit, not (MACOS or SUNOS))
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def test_num_fds(self):
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self.assertEqual(hasattr(psutil.Process, "num_fds"), POSIX)
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def test_num_handles(self):
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self.assertEqual(hasattr(psutil.Process, "num_handles"), WINDOWS)
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def test_cpu_affinity(self):
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self.assertEqual(
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hasattr(psutil.Process, "cpu_affinity"),
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LINUX or WINDOWS or FREEBSD,
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)
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def test_cpu_num(self):
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self.assertEqual(
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hasattr(psutil.Process, "cpu_num"), LINUX or FREEBSD or SUNOS
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)
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def test_memory_maps(self):
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hasit = hasattr(psutil.Process, "memory_maps")
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self.assertEqual(hasit, not (OPENBSD or NETBSD or AIX or MACOS))
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# ===================================================================
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# --- API types
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# ===================================================================
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class TestSystemAPITypes(PsutilTestCase):
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"""Check the return types of system related APIs.
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Mainly we want to test we never return unicode on Python 2, see:
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https://github.com/giampaolo/psutil/issues/1039.
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"""
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@classmethod
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def setUpClass(cls):
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cls.proc = psutil.Process()
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def assert_ntuple_of_nums(self, nt, type_=float, gezero=True):
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assert is_namedtuple(nt)
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for n in nt:
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self.assertIsInstance(n, type_)
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if gezero:
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self.assertGreaterEqual(n, 0)
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def test_cpu_times(self):
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self.assert_ntuple_of_nums(psutil.cpu_times())
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for nt in psutil.cpu_times(percpu=True):
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self.assert_ntuple_of_nums(nt)
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def test_cpu_percent(self):
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self.assertIsInstance(psutil.cpu_percent(interval=None), float)
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self.assertIsInstance(psutil.cpu_percent(interval=0.00001), float)
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def test_cpu_times_percent(self):
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self.assert_ntuple_of_nums(psutil.cpu_times_percent(interval=None))
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self.assert_ntuple_of_nums(psutil.cpu_times_percent(interval=0.0001))
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def test_cpu_count(self):
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self.assertIsInstance(psutil.cpu_count(), int)
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# TODO: remove this once 1892 is fixed
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@unittest.skipIf(
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MACOS and platform.machine() == 'arm64', "skipped due to #1892"
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)
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@unittest.skipIf(not HAS_CPU_FREQ, "not supported")
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def test_cpu_freq(self):
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if psutil.cpu_freq() is None:
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raise unittest.SkipTest("cpu_freq() returns None")
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self.assert_ntuple_of_nums(psutil.cpu_freq(), type_=(float, int, long))
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def test_disk_io_counters(self):
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# Duplicate of test_system.py. Keep it anyway.
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for k, v in psutil.disk_io_counters(perdisk=True).items():
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self.assertIsInstance(k, str)
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self.assert_ntuple_of_nums(v, type_=(int, long))
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def test_disk_partitions(self):
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# Duplicate of test_system.py. Keep it anyway.
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for disk in psutil.disk_partitions():
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self.assertIsInstance(disk.device, str)
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self.assertIsInstance(disk.mountpoint, str)
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self.assertIsInstance(disk.fstype, str)
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self.assertIsInstance(disk.opts, str)
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@unittest.skipIf(SKIP_SYSCONS, "requires root")
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def test_net_connections(self):
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with create_sockets():
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ret = psutil.net_connections('all')
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self.assertEqual(len(ret), len(set(ret)))
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for conn in ret:
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assert is_namedtuple(conn)
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def test_net_if_addrs(self):
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# Duplicate of test_system.py. Keep it anyway.
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for ifname, addrs in psutil.net_if_addrs().items():
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self.assertIsInstance(ifname, str)
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for addr in addrs:
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if enum is not None and not PYPY:
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self.assertIsInstance(addr.family, enum.IntEnum)
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else:
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self.assertIsInstance(addr.family, int)
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self.assertIsInstance(addr.address, str)
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self.assertIsInstance(addr.netmask, (str, type(None)))
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self.assertIsInstance(addr.broadcast, (str, type(None)))
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@unittest.skipIf(QEMU_USER, 'QEMU user not supported')
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def test_net_if_stats(self):
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# Duplicate of test_system.py. Keep it anyway.
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for ifname, info in psutil.net_if_stats().items():
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self.assertIsInstance(ifname, str)
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self.assertIsInstance(info.isup, bool)
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if enum is not None:
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self.assertIsInstance(info.duplex, enum.IntEnum)
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else:
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self.assertIsInstance(info.duplex, int)
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self.assertIsInstance(info.speed, int)
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self.assertIsInstance(info.mtu, int)
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@unittest.skipIf(not HAS_NET_IO_COUNTERS, 'not supported')
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def test_net_io_counters(self):
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# Duplicate of test_system.py. Keep it anyway.
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for ifname in psutil.net_io_counters(pernic=True):
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self.assertIsInstance(ifname, str)
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@unittest.skipIf(not HAS_SENSORS_FANS, "not supported")
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def test_sensors_fans(self):
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# Duplicate of test_system.py. Keep it anyway.
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for name, units in psutil.sensors_fans().items():
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self.assertIsInstance(name, str)
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for unit in units:
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self.assertIsInstance(unit.label, str)
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self.assertIsInstance(unit.current, (float, int, type(None)))
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@unittest.skipIf(not HAS_SENSORS_TEMPERATURES, "not supported")
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def test_sensors_temperatures(self):
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# Duplicate of test_system.py. Keep it anyway.
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for name, units in psutil.sensors_temperatures().items():
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self.assertIsInstance(name, str)
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for unit in units:
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self.assertIsInstance(unit.label, str)
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self.assertIsInstance(unit.current, (float, int, type(None)))
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self.assertIsInstance(unit.high, (float, int, type(None)))
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self.assertIsInstance(unit.critical, (float, int, type(None)))
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def test_boot_time(self):
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# Duplicate of test_system.py. Keep it anyway.
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self.assertIsInstance(psutil.boot_time(), float)
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def test_users(self):
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# Duplicate of test_system.py. Keep it anyway.
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for user in psutil.users():
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self.assertIsInstance(user.name, str)
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self.assertIsInstance(user.terminal, (str, type(None)))
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self.assertIsInstance(user.host, (str, type(None)))
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self.assertIsInstance(user.pid, (int, type(None)))
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class TestProcessWaitType(PsutilTestCase):
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@unittest.skipIf(not POSIX, "not POSIX")
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def test_negative_signal(self):
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p = psutil.Process(self.spawn_testproc().pid)
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p.terminate()
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code = p.wait()
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self.assertEqual(code, -signal.SIGTERM)
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if enum is not None:
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self.assertIsInstance(code, enum.IntEnum)
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else:
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self.assertIsInstance(code, int)
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if __name__ == '__main__':
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from psutil.tests.runner import run_from_name
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run_from_name(__file__)
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