1078 lines
36 KiB
Python
1078 lines
36 KiB
Python
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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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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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"""Miscellaneous tests."""
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import ast
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import collections
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import errno
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import json
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import os
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import pickle
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import socket
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import stat
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import sys
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import unittest
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import psutil
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import psutil.tests
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from psutil import POSIX
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from psutil import WINDOWS
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from psutil._common import bcat
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from psutil._common import cat
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from psutil._common import debug
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from psutil._common import isfile_strict
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from psutil._common import memoize
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from psutil._common import memoize_when_activated
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from psutil._common import parse_environ_block
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from psutil._common import supports_ipv6
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from psutil._common import wrap_numbers
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from psutil._compat import PY3
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from psutil._compat import FileNotFoundError
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from psutil._compat import redirect_stderr
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from psutil.tests import CI_TESTING
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from psutil.tests import HAS_BATTERY
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from psutil.tests import HAS_MEMORY_MAPS
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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 PYTHON_EXE
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from psutil.tests import PYTHON_EXE_ENV
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from psutil.tests import QEMU_USER
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from psutil.tests import SCRIPTS_DIR
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from psutil.tests import PsutilTestCase
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from psutil.tests import mock
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from psutil.tests import process_namespace
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from psutil.tests import reload_module
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from psutil.tests import sh
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from psutil.tests import system_namespace
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# ===================================================================
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# --- Test classes' repr(), str(), ...
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# ===================================================================
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class TestSpecialMethods(PsutilTestCase):
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def test_check_pid_range(self):
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with self.assertRaises(OverflowError):
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psutil._psplatform.cext.check_pid_range(2**128)
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with self.assertRaises(psutil.NoSuchProcess):
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psutil.Process(2**128)
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def test_process__repr__(self, func=repr):
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p = psutil.Process(self.spawn_testproc().pid)
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r = func(p)
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self.assertIn("psutil.Process", r)
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self.assertIn("pid=%s" % p.pid, r)
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self.assertIn(
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"name='%s'" % str(p.name()), r.replace("name=u'", "name='")
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)
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self.assertIn("status=", r)
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self.assertNotIn("exitcode=", r)
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p.terminate()
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p.wait()
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r = func(p)
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self.assertIn("status='terminated'", r)
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self.assertIn("exitcode=", r)
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with mock.patch.object(
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psutil.Process,
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"name",
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side_effect=psutil.ZombieProcess(os.getpid()),
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):
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p = psutil.Process()
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r = func(p)
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self.assertIn("pid=%s" % p.pid, r)
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self.assertIn("status='zombie'", r)
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self.assertNotIn("name=", r)
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with mock.patch.object(
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psutil.Process,
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"name",
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side_effect=psutil.NoSuchProcess(os.getpid()),
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):
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p = psutil.Process()
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r = func(p)
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self.assertIn("pid=%s" % p.pid, r)
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self.assertIn("terminated", r)
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self.assertNotIn("name=", r)
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with mock.patch.object(
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psutil.Process,
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"name",
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side_effect=psutil.AccessDenied(os.getpid()),
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):
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p = psutil.Process()
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r = func(p)
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self.assertIn("pid=%s" % p.pid, r)
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self.assertNotIn("name=", r)
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def test_process__str__(self):
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self.test_process__repr__(func=str)
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def test_error__repr__(self):
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self.assertEqual(repr(psutil.Error()), "psutil.Error()")
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def test_error__str__(self):
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self.assertEqual(str(psutil.Error()), "")
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def test_no_such_process__repr__(self):
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self.assertEqual(
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repr(psutil.NoSuchProcess(321)),
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"psutil.NoSuchProcess(pid=321, msg='process no longer exists')",
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)
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self.assertEqual(
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repr(psutil.NoSuchProcess(321, name="name", msg="msg")),
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"psutil.NoSuchProcess(pid=321, name='name', msg='msg')",
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)
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def test_no_such_process__str__(self):
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self.assertEqual(
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str(psutil.NoSuchProcess(321)),
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"process no longer exists (pid=321)",
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)
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self.assertEqual(
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str(psutil.NoSuchProcess(321, name="name", msg="msg")),
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"msg (pid=321, name='name')",
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)
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def test_zombie_process__repr__(self):
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self.assertEqual(
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repr(psutil.ZombieProcess(321)),
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'psutil.ZombieProcess(pid=321, msg="PID still '
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'exists but it\'s a zombie")',
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)
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self.assertEqual(
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repr(psutil.ZombieProcess(321, name="name", ppid=320, msg="foo")),
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"psutil.ZombieProcess(pid=321, ppid=320, name='name', msg='foo')",
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)
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def test_zombie_process__str__(self):
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self.assertEqual(
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str(psutil.ZombieProcess(321)),
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"PID still exists but it's a zombie (pid=321)",
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)
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self.assertEqual(
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str(psutil.ZombieProcess(321, name="name", ppid=320, msg="foo")),
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"foo (pid=321, ppid=320, name='name')",
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)
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def test_access_denied__repr__(self):
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self.assertEqual(
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repr(psutil.AccessDenied(321)), "psutil.AccessDenied(pid=321)"
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)
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self.assertEqual(
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repr(psutil.AccessDenied(321, name="name", msg="msg")),
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"psutil.AccessDenied(pid=321, name='name', msg='msg')",
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)
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def test_access_denied__str__(self):
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self.assertEqual(str(psutil.AccessDenied(321)), "(pid=321)")
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self.assertEqual(
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str(psutil.AccessDenied(321, name="name", msg="msg")),
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"msg (pid=321, name='name')",
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)
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def test_timeout_expired__repr__(self):
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self.assertEqual(
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repr(psutil.TimeoutExpired(5)),
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"psutil.TimeoutExpired(seconds=5, msg='timeout after 5 seconds')",
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)
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self.assertEqual(
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repr(psutil.TimeoutExpired(5, pid=321, name="name")),
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"psutil.TimeoutExpired(pid=321, name='name', seconds=5, "
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"msg='timeout after 5 seconds')",
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)
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def test_timeout_expired__str__(self):
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self.assertEqual(
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str(psutil.TimeoutExpired(5)), "timeout after 5 seconds"
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)
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self.assertEqual(
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str(psutil.TimeoutExpired(5, pid=321, name="name")),
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"timeout after 5 seconds (pid=321, name='name')",
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)
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def test_process__eq__(self):
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p1 = psutil.Process()
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p2 = psutil.Process()
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self.assertEqual(p1, p2)
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p2._ident = (0, 0)
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self.assertNotEqual(p1, p2)
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self.assertNotEqual(p1, 'foo')
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def test_process__hash__(self):
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s = set([psutil.Process(), psutil.Process()])
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self.assertEqual(len(s), 1)
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# ===================================================================
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# --- Misc, generic, corner cases
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# ===================================================================
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class TestMisc(PsutilTestCase):
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def test__all__(self):
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dir_psutil = dir(psutil)
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for name in dir_psutil:
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if name in (
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'debug',
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'long',
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'tests',
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'test',
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'PermissionError',
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'ProcessLookupError',
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):
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continue
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if not name.startswith('_'):
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try:
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__import__(name)
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except ImportError:
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if name not in psutil.__all__:
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fun = getattr(psutil, name)
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if fun is None:
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continue
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if (
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fun.__doc__ is not None
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and 'deprecated' not in fun.__doc__.lower()
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):
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raise self.fail('%r not in psutil.__all__' % name)
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# Import 'star' will break if __all__ is inconsistent, see:
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# https://github.com/giampaolo/psutil/issues/656
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# Can't do `from psutil import *` as it won't work on python 3
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# so we simply iterate over __all__.
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for name in psutil.__all__:
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self.assertIn(name, dir_psutil)
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def test_version(self):
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self.assertEqual(
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'.'.join([str(x) for x in psutil.version_info]), psutil.__version__
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)
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def test_process_as_dict_no_new_names(self):
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# See https://github.com/giampaolo/psutil/issues/813
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p = psutil.Process()
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p.foo = '1'
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self.assertNotIn('foo', p.as_dict())
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def test_serialization(self):
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def check(ret):
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json.loads(json.dumps(ret))
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a = pickle.dumps(ret)
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b = pickle.loads(a)
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self.assertEqual(ret, b)
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# --- process APIs
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proc = psutil.Process()
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check(psutil.Process().as_dict())
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ns = process_namespace(proc)
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for fun, name in ns.iter(ns.getters, clear_cache=True):
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with self.subTest(proc=proc, name=name):
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try:
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ret = fun()
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except psutil.Error:
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pass
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else:
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check(ret)
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# --- system APIs
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ns = system_namespace()
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for fun, name in ns.iter(ns.getters):
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if name in {"win_service_iter", "win_service_get"}:
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continue
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if QEMU_USER and name == "net_if_stats":
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# OSError: [Errno 38] ioctl(SIOCETHTOOL) not implemented
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continue
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with self.subTest(name=name):
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try:
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ret = fun()
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except psutil.AccessDenied:
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pass
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else:
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check(ret)
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# --- exception classes
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b = pickle.loads(
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pickle.dumps(
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psutil.NoSuchProcess(pid=4567, name='name', msg='msg')
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)
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)
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self.assertIsInstance(b, psutil.NoSuchProcess)
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self.assertEqual(b.pid, 4567)
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||
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self.assertEqual(b.name, 'name')
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self.assertEqual(b.msg, 'msg')
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||
|
|
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b = pickle.loads(
|
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pickle.dumps(
|
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psutil.ZombieProcess(pid=4567, name='name', ppid=42, msg='msg')
|
||
|
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)
|
||
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)
|
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self.assertIsInstance(b, psutil.ZombieProcess)
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||
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self.assertEqual(b.pid, 4567)
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||
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self.assertEqual(b.ppid, 42)
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||
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self.assertEqual(b.name, 'name')
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||
|
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self.assertEqual(b.msg, 'msg')
|
||
|
|
|
||
|
|
b = pickle.loads(
|
||
|
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pickle.dumps(psutil.AccessDenied(pid=123, name='name', msg='msg'))
|
||
|
|
)
|
||
|
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self.assertIsInstance(b, psutil.AccessDenied)
|
||
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self.assertEqual(b.pid, 123)
|
||
|
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self.assertEqual(b.name, 'name')
|
||
|
|
self.assertEqual(b.msg, 'msg')
|
||
|
|
|
||
|
|
b = pickle.loads(
|
||
|
|
pickle.dumps(
|
||
|
|
psutil.TimeoutExpired(seconds=33, pid=4567, name='name')
|
||
|
|
)
|
||
|
|
)
|
||
|
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self.assertIsInstance(b, psutil.TimeoutExpired)
|
||
|
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self.assertEqual(b.seconds, 33)
|
||
|
|
self.assertEqual(b.pid, 4567)
|
||
|
|
self.assertEqual(b.name, 'name')
|
||
|
|
|
||
|
|
# # XXX: https://github.com/pypa/setuptools/pull/2896
|
||
|
|
# @unittest.skipIf(APPVEYOR, "temporarily disabled due to setuptools bug")
|
||
|
|
# def test_setup_script(self):
|
||
|
|
# setup_py = os.path.join(ROOT_DIR, 'setup.py')
|
||
|
|
# if CI_TESTING and not os.path.exists(setup_py):
|
||
|
|
# raise unittest.SkipTest("can't find setup.py")
|
||
|
|
# module = import_module_by_path(setup_py)
|
||
|
|
# self.assertRaises(SystemExit, module.setup)
|
||
|
|
# self.assertEqual(module.get_version(), psutil.__version__)
|
||
|
|
|
||
|
|
def test_ad_on_process_creation(self):
|
||
|
|
# We are supposed to be able to instantiate Process also in case
|
||
|
|
# of zombie processes or access denied.
|
||
|
|
with mock.patch.object(
|
||
|
|
psutil.Process, 'create_time', side_effect=psutil.AccessDenied
|
||
|
|
) as meth:
|
||
|
|
psutil.Process()
|
||
|
|
assert meth.called
|
||
|
|
with mock.patch.object(
|
||
|
|
psutil.Process, 'create_time', side_effect=psutil.ZombieProcess(1)
|
||
|
|
) as meth:
|
||
|
|
psutil.Process()
|
||
|
|
assert meth.called
|
||
|
|
with mock.patch.object(
|
||
|
|
psutil.Process, 'create_time', side_effect=ValueError
|
||
|
|
) as meth:
|
||
|
|
with self.assertRaises(ValueError):
|
||
|
|
psutil.Process()
|
||
|
|
assert meth.called
|
||
|
|
|
||
|
|
def test_sanity_version_check(self):
|
||
|
|
# see: https://github.com/giampaolo/psutil/issues/564
|
||
|
|
with mock.patch(
|
||
|
|
"psutil._psplatform.cext.version", return_value="0.0.0"
|
||
|
|
):
|
||
|
|
with self.assertRaises(ImportError) as cm:
|
||
|
|
reload_module(psutil)
|
||
|
|
self.assertIn("version conflict", str(cm.exception).lower())
|
||
|
|
|
||
|
|
|
||
|
|
# ===================================================================
|
||
|
|
# --- psutil/_common.py utils
|
||
|
|
# ===================================================================
|
||
|
|
|
||
|
|
|
||
|
|
class TestMemoizeDecorator(PsutilTestCase):
|
||
|
|
def setUp(self):
|
||
|
|
self.calls = []
|
||
|
|
|
||
|
|
tearDown = setUp
|
||
|
|
|
||
|
|
def run_against(self, obj, expected_retval=None):
|
||
|
|
# no args
|
||
|
|
for _ in range(2):
|
||
|
|
ret = obj()
|
||
|
|
self.assertEqual(self.calls, [((), {})])
|
||
|
|
if expected_retval is not None:
|
||
|
|
self.assertEqual(ret, expected_retval)
|
||
|
|
# with args
|
||
|
|
for _ in range(2):
|
||
|
|
ret = obj(1)
|
||
|
|
self.assertEqual(self.calls, [((), {}), ((1,), {})])
|
||
|
|
if expected_retval is not None:
|
||
|
|
self.assertEqual(ret, expected_retval)
|
||
|
|
# with args + kwargs
|
||
|
|
for _ in range(2):
|
||
|
|
ret = obj(1, bar=2)
|
||
|
|
self.assertEqual(
|
||
|
|
self.calls, [((), {}), ((1,), {}), ((1,), {'bar': 2})]
|
||
|
|
)
|
||
|
|
if expected_retval is not None:
|
||
|
|
self.assertEqual(ret, expected_retval)
|
||
|
|
# clear cache
|
||
|
|
self.assertEqual(len(self.calls), 3)
|
||
|
|
obj.cache_clear()
|
||
|
|
ret = obj()
|
||
|
|
if expected_retval is not None:
|
||
|
|
self.assertEqual(ret, expected_retval)
|
||
|
|
self.assertEqual(len(self.calls), 4)
|
||
|
|
# docstring
|
||
|
|
self.assertEqual(obj.__doc__, "My docstring.")
|
||
|
|
|
||
|
|
def test_function(self):
|
||
|
|
@memoize
|
||
|
|
def foo(*args, **kwargs):
|
||
|
|
"""My docstring."""
|
||
|
|
baseclass.calls.append((args, kwargs))
|
||
|
|
return 22
|
||
|
|
|
||
|
|
baseclass = self
|
||
|
|
self.run_against(foo, expected_retval=22)
|
||
|
|
|
||
|
|
def test_class(self):
|
||
|
|
@memoize
|
||
|
|
class Foo:
|
||
|
|
"""My docstring."""
|
||
|
|
|
||
|
|
def __init__(self, *args, **kwargs):
|
||
|
|
baseclass.calls.append((args, kwargs))
|
||
|
|
|
||
|
|
def bar(self):
|
||
|
|
return 22
|
||
|
|
|
||
|
|
baseclass = self
|
||
|
|
self.run_against(Foo, expected_retval=None)
|
||
|
|
self.assertEqual(Foo().bar(), 22)
|
||
|
|
|
||
|
|
def test_class_singleton(self):
|
||
|
|
# @memoize can be used against classes to create singletons
|
||
|
|
@memoize
|
||
|
|
class Bar:
|
||
|
|
def __init__(self, *args, **kwargs):
|
||
|
|
pass
|
||
|
|
|
||
|
|
self.assertIs(Bar(), Bar())
|
||
|
|
self.assertEqual(id(Bar()), id(Bar()))
|
||
|
|
self.assertEqual(id(Bar(1)), id(Bar(1)))
|
||
|
|
self.assertEqual(id(Bar(1, foo=3)), id(Bar(1, foo=3)))
|
||
|
|
self.assertNotEqual(id(Bar(1)), id(Bar(2)))
|
||
|
|
|
||
|
|
def test_staticmethod(self):
|
||
|
|
class Foo:
|
||
|
|
@staticmethod
|
||
|
|
@memoize
|
||
|
|
def bar(*args, **kwargs):
|
||
|
|
"""My docstring."""
|
||
|
|
baseclass.calls.append((args, kwargs))
|
||
|
|
return 22
|
||
|
|
|
||
|
|
baseclass = self
|
||
|
|
self.run_against(Foo().bar, expected_retval=22)
|
||
|
|
|
||
|
|
def test_classmethod(self):
|
||
|
|
class Foo:
|
||
|
|
@classmethod
|
||
|
|
@memoize
|
||
|
|
def bar(cls, *args, **kwargs):
|
||
|
|
"""My docstring."""
|
||
|
|
baseclass.calls.append((args, kwargs))
|
||
|
|
return 22
|
||
|
|
|
||
|
|
baseclass = self
|
||
|
|
self.run_against(Foo().bar, expected_retval=22)
|
||
|
|
|
||
|
|
def test_original(self):
|
||
|
|
# This was the original test before I made it dynamic to test it
|
||
|
|
# against different types. Keeping it anyway.
|
||
|
|
@memoize
|
||
|
|
def foo(*args, **kwargs):
|
||
|
|
"""Foo docstring."""
|
||
|
|
calls.append(None)
|
||
|
|
return (args, kwargs)
|
||
|
|
|
||
|
|
calls = []
|
||
|
|
# no args
|
||
|
|
for _ in range(2):
|
||
|
|
ret = foo()
|
||
|
|
expected = ((), {})
|
||
|
|
self.assertEqual(ret, expected)
|
||
|
|
self.assertEqual(len(calls), 1)
|
||
|
|
# with args
|
||
|
|
for _ in range(2):
|
||
|
|
ret = foo(1)
|
||
|
|
expected = ((1,), {})
|
||
|
|
self.assertEqual(ret, expected)
|
||
|
|
self.assertEqual(len(calls), 2)
|
||
|
|
# with args + kwargs
|
||
|
|
for _ in range(2):
|
||
|
|
ret = foo(1, bar=2)
|
||
|
|
expected = ((1,), {'bar': 2})
|
||
|
|
self.assertEqual(ret, expected)
|
||
|
|
self.assertEqual(len(calls), 3)
|
||
|
|
# clear cache
|
||
|
|
foo.cache_clear()
|
||
|
|
ret = foo()
|
||
|
|
expected = ((), {})
|
||
|
|
self.assertEqual(ret, expected)
|
||
|
|
self.assertEqual(len(calls), 4)
|
||
|
|
# docstring
|
||
|
|
self.assertEqual(foo.__doc__, "Foo docstring.")
|
||
|
|
|
||
|
|
|
||
|
|
class TestCommonModule(PsutilTestCase):
|
||
|
|
def test_memoize_when_activated(self):
|
||
|
|
class Foo:
|
||
|
|
@memoize_when_activated
|
||
|
|
def foo(self):
|
||
|
|
calls.append(None)
|
||
|
|
|
||
|
|
f = Foo()
|
||
|
|
calls = []
|
||
|
|
f.foo()
|
||
|
|
f.foo()
|
||
|
|
self.assertEqual(len(calls), 2)
|
||
|
|
|
||
|
|
# activate
|
||
|
|
calls = []
|
||
|
|
f.foo.cache_activate(f)
|
||
|
|
f.foo()
|
||
|
|
f.foo()
|
||
|
|
self.assertEqual(len(calls), 1)
|
||
|
|
|
||
|
|
# deactivate
|
||
|
|
calls = []
|
||
|
|
f.foo.cache_deactivate(f)
|
||
|
|
f.foo()
|
||
|
|
f.foo()
|
||
|
|
self.assertEqual(len(calls), 2)
|
||
|
|
|
||
|
|
def test_parse_environ_block(self):
|
||
|
|
def k(s):
|
||
|
|
return s.upper() if WINDOWS else s
|
||
|
|
|
||
|
|
self.assertEqual(parse_environ_block("a=1\0"), {k("a"): "1"})
|
||
|
|
self.assertEqual(
|
||
|
|
parse_environ_block("a=1\0b=2\0\0"), {k("a"): "1", k("b"): "2"}
|
||
|
|
)
|
||
|
|
self.assertEqual(
|
||
|
|
parse_environ_block("a=1\0b=\0\0"), {k("a"): "1", k("b"): ""}
|
||
|
|
)
|
||
|
|
# ignore everything after \0\0
|
||
|
|
self.assertEqual(
|
||
|
|
parse_environ_block("a=1\0b=2\0\0c=3\0"),
|
||
|
|
{k("a"): "1", k("b"): "2"},
|
||
|
|
)
|
||
|
|
# ignore everything that is not an assignment
|
||
|
|
self.assertEqual(parse_environ_block("xxx\0a=1\0"), {k("a"): "1"})
|
||
|
|
self.assertEqual(parse_environ_block("a=1\0=b=2\0"), {k("a"): "1"})
|
||
|
|
# do not fail if the block is incomplete
|
||
|
|
self.assertEqual(parse_environ_block("a=1\0b=2"), {k("a"): "1"})
|
||
|
|
|
||
|
|
def test_supports_ipv6(self):
|
||
|
|
self.addCleanup(supports_ipv6.cache_clear)
|
||
|
|
if supports_ipv6():
|
||
|
|
with mock.patch('psutil._common.socket') as s:
|
||
|
|
s.has_ipv6 = False
|
||
|
|
supports_ipv6.cache_clear()
|
||
|
|
assert not supports_ipv6()
|
||
|
|
|
||
|
|
supports_ipv6.cache_clear()
|
||
|
|
with mock.patch(
|
||
|
|
'psutil._common.socket.socket', side_effect=socket.error
|
||
|
|
) as s:
|
||
|
|
assert not supports_ipv6()
|
||
|
|
assert s.called
|
||
|
|
|
||
|
|
supports_ipv6.cache_clear()
|
||
|
|
with mock.patch(
|
||
|
|
'psutil._common.socket.socket', side_effect=socket.gaierror
|
||
|
|
) as s:
|
||
|
|
assert not supports_ipv6()
|
||
|
|
supports_ipv6.cache_clear()
|
||
|
|
assert s.called
|
||
|
|
|
||
|
|
supports_ipv6.cache_clear()
|
||
|
|
with mock.patch(
|
||
|
|
'psutil._common.socket.socket.bind',
|
||
|
|
side_effect=socket.gaierror,
|
||
|
|
) as s:
|
||
|
|
assert not supports_ipv6()
|
||
|
|
supports_ipv6.cache_clear()
|
||
|
|
assert s.called
|
||
|
|
else:
|
||
|
|
with self.assertRaises(socket.error):
|
||
|
|
sock = socket.socket(socket.AF_INET6, socket.SOCK_STREAM)
|
||
|
|
try:
|
||
|
|
sock.bind(("::1", 0))
|
||
|
|
finally:
|
||
|
|
sock.close()
|
||
|
|
|
||
|
|
def test_isfile_strict(self):
|
||
|
|
this_file = os.path.abspath(__file__)
|
||
|
|
assert isfile_strict(this_file)
|
||
|
|
assert not isfile_strict(os.path.dirname(this_file))
|
||
|
|
with mock.patch(
|
||
|
|
'psutil._common.os.stat', side_effect=OSError(errno.EPERM, "foo")
|
||
|
|
):
|
||
|
|
self.assertRaises(OSError, isfile_strict, this_file)
|
||
|
|
with mock.patch(
|
||
|
|
'psutil._common.os.stat', side_effect=OSError(errno.EACCES, "foo")
|
||
|
|
):
|
||
|
|
self.assertRaises(OSError, isfile_strict, this_file)
|
||
|
|
with mock.patch(
|
||
|
|
'psutil._common.os.stat', side_effect=OSError(errno.ENOENT, "foo")
|
||
|
|
):
|
||
|
|
assert not isfile_strict(this_file)
|
||
|
|
with mock.patch('psutil._common.stat.S_ISREG', return_value=False):
|
||
|
|
assert not isfile_strict(this_file)
|
||
|
|
|
||
|
|
def test_debug(self):
|
||
|
|
if PY3:
|
||
|
|
from io import StringIO
|
||
|
|
else:
|
||
|
|
from StringIO import StringIO
|
||
|
|
|
||
|
|
with redirect_stderr(StringIO()) as f:
|
||
|
|
debug("hello")
|
||
|
|
sys.stderr.flush()
|
||
|
|
msg = f.getvalue()
|
||
|
|
assert msg.startswith("psutil-debug"), msg
|
||
|
|
self.assertIn("hello", msg)
|
||
|
|
self.assertIn(__file__.replace('.pyc', '.py'), msg)
|
||
|
|
|
||
|
|
# supposed to use repr(exc)
|
||
|
|
with redirect_stderr(StringIO()) as f:
|
||
|
|
debug(ValueError("this is an error"))
|
||
|
|
msg = f.getvalue()
|
||
|
|
self.assertIn("ignoring ValueError", msg)
|
||
|
|
self.assertIn("'this is an error'", msg)
|
||
|
|
|
||
|
|
# supposed to use str(exc), because of extra info about file name
|
||
|
|
with redirect_stderr(StringIO()) as f:
|
||
|
|
exc = OSError(2, "no such file")
|
||
|
|
exc.filename = "/foo"
|
||
|
|
debug(exc)
|
||
|
|
msg = f.getvalue()
|
||
|
|
self.assertIn("no such file", msg)
|
||
|
|
self.assertIn("/foo", msg)
|
||
|
|
|
||
|
|
def test_cat_bcat(self):
|
||
|
|
testfn = self.get_testfn()
|
||
|
|
with open(testfn, "w") as f:
|
||
|
|
f.write("foo")
|
||
|
|
self.assertEqual(cat(testfn), "foo")
|
||
|
|
self.assertEqual(bcat(testfn), b"foo")
|
||
|
|
self.assertRaises(FileNotFoundError, cat, testfn + '-invalid')
|
||
|
|
self.assertRaises(FileNotFoundError, bcat, testfn + '-invalid')
|
||
|
|
self.assertEqual(cat(testfn + '-invalid', fallback="bar"), "bar")
|
||
|
|
self.assertEqual(bcat(testfn + '-invalid', fallback="bar"), "bar")
|
||
|
|
|
||
|
|
|
||
|
|
# ===================================================================
|
||
|
|
# --- Tests for wrap_numbers() function.
|
||
|
|
# ===================================================================
|
||
|
|
|
||
|
|
|
||
|
|
nt = collections.namedtuple('foo', 'a b c')
|
||
|
|
|
||
|
|
|
||
|
|
class TestWrapNumbers(PsutilTestCase):
|
||
|
|
def setUp(self):
|
||
|
|
wrap_numbers.cache_clear()
|
||
|
|
|
||
|
|
tearDown = setUp
|
||
|
|
|
||
|
|
def test_first_call(self):
|
||
|
|
input = {'disk1': nt(5, 5, 5)}
|
||
|
|
self.assertEqual(wrap_numbers(input, 'disk_io'), input)
|
||
|
|
|
||
|
|
def test_input_hasnt_changed(self):
|
||
|
|
input = {'disk1': nt(5, 5, 5)}
|
||
|
|
self.assertEqual(wrap_numbers(input, 'disk_io'), input)
|
||
|
|
self.assertEqual(wrap_numbers(input, 'disk_io'), input)
|
||
|
|
|
||
|
|
def test_increase_but_no_wrap(self):
|
||
|
|
input = {'disk1': nt(5, 5, 5)}
|
||
|
|
self.assertEqual(wrap_numbers(input, 'disk_io'), input)
|
||
|
|
input = {'disk1': nt(10, 15, 20)}
|
||
|
|
self.assertEqual(wrap_numbers(input, 'disk_io'), input)
|
||
|
|
input = {'disk1': nt(20, 25, 30)}
|
||
|
|
self.assertEqual(wrap_numbers(input, 'disk_io'), input)
|
||
|
|
input = {'disk1': nt(20, 25, 30)}
|
||
|
|
self.assertEqual(wrap_numbers(input, 'disk_io'), input)
|
||
|
|
|
||
|
|
def test_wrap(self):
|
||
|
|
# let's say 100 is the threshold
|
||
|
|
input = {'disk1': nt(100, 100, 100)}
|
||
|
|
self.assertEqual(wrap_numbers(input, 'disk_io'), input)
|
||
|
|
# first wrap restarts from 10
|
||
|
|
input = {'disk1': nt(100, 100, 10)}
|
||
|
|
self.assertEqual(
|
||
|
|
wrap_numbers(input, 'disk_io'), {'disk1': nt(100, 100, 110)}
|
||
|
|
)
|
||
|
|
# then it remains the same
|
||
|
|
input = {'disk1': nt(100, 100, 10)}
|
||
|
|
self.assertEqual(
|
||
|
|
wrap_numbers(input, 'disk_io'), {'disk1': nt(100, 100, 110)}
|
||
|
|
)
|
||
|
|
# then it goes up
|
||
|
|
input = {'disk1': nt(100, 100, 90)}
|
||
|
|
self.assertEqual(
|
||
|
|
wrap_numbers(input, 'disk_io'), {'disk1': nt(100, 100, 190)}
|
||
|
|
)
|
||
|
|
# then it wraps again
|
||
|
|
input = {'disk1': nt(100, 100, 20)}
|
||
|
|
self.assertEqual(
|
||
|
|
wrap_numbers(input, 'disk_io'), {'disk1': nt(100, 100, 210)}
|
||
|
|
)
|
||
|
|
# and remains the same
|
||
|
|
input = {'disk1': nt(100, 100, 20)}
|
||
|
|
self.assertEqual(
|
||
|
|
wrap_numbers(input, 'disk_io'), {'disk1': nt(100, 100, 210)}
|
||
|
|
)
|
||
|
|
# now wrap another num
|
||
|
|
input = {'disk1': nt(50, 100, 20)}
|
||
|
|
self.assertEqual(
|
||
|
|
wrap_numbers(input, 'disk_io'), {'disk1': nt(150, 100, 210)}
|
||
|
|
)
|
||
|
|
# and again
|
||
|
|
input = {'disk1': nt(40, 100, 20)}
|
||
|
|
self.assertEqual(
|
||
|
|
wrap_numbers(input, 'disk_io'), {'disk1': nt(190, 100, 210)}
|
||
|
|
)
|
||
|
|
# keep it the same
|
||
|
|
input = {'disk1': nt(40, 100, 20)}
|
||
|
|
self.assertEqual(
|
||
|
|
wrap_numbers(input, 'disk_io'), {'disk1': nt(190, 100, 210)}
|
||
|
|
)
|
||
|
|
|
||
|
|
def test_changing_keys(self):
|
||
|
|
# Emulate a case where the second call to disk_io()
|
||
|
|
# (or whatever) provides a new disk, then the new disk
|
||
|
|
# disappears on the third call.
|
||
|
|
input = {'disk1': nt(5, 5, 5)}
|
||
|
|
self.assertEqual(wrap_numbers(input, 'disk_io'), input)
|
||
|
|
input = {'disk1': nt(5, 5, 5), 'disk2': nt(7, 7, 7)}
|
||
|
|
self.assertEqual(wrap_numbers(input, 'disk_io'), input)
|
||
|
|
input = {'disk1': nt(8, 8, 8)}
|
||
|
|
self.assertEqual(wrap_numbers(input, 'disk_io'), input)
|
||
|
|
|
||
|
|
def test_changing_keys_w_wrap(self):
|
||
|
|
input = {'disk1': nt(50, 50, 50), 'disk2': nt(100, 100, 100)}
|
||
|
|
self.assertEqual(wrap_numbers(input, 'disk_io'), input)
|
||
|
|
# disk 2 wraps
|
||
|
|
input = {'disk1': nt(50, 50, 50), 'disk2': nt(100, 100, 10)}
|
||
|
|
self.assertEqual(
|
||
|
|
wrap_numbers(input, 'disk_io'),
|
||
|
|
{'disk1': nt(50, 50, 50), 'disk2': nt(100, 100, 110)},
|
||
|
|
)
|
||
|
|
# disk 2 disappears
|
||
|
|
input = {'disk1': nt(50, 50, 50)}
|
||
|
|
self.assertEqual(wrap_numbers(input, 'disk_io'), input)
|
||
|
|
|
||
|
|
# then it appears again; the old wrap is supposed to be
|
||
|
|
# gone.
|
||
|
|
input = {'disk1': nt(50, 50, 50), 'disk2': nt(100, 100, 100)}
|
||
|
|
self.assertEqual(wrap_numbers(input, 'disk_io'), input)
|
||
|
|
# remains the same
|
||
|
|
input = {'disk1': nt(50, 50, 50), 'disk2': nt(100, 100, 100)}
|
||
|
|
self.assertEqual(wrap_numbers(input, 'disk_io'), input)
|
||
|
|
# and then wraps again
|
||
|
|
input = {'disk1': nt(50, 50, 50), 'disk2': nt(100, 100, 10)}
|
||
|
|
self.assertEqual(
|
||
|
|
wrap_numbers(input, 'disk_io'),
|
||
|
|
{'disk1': nt(50, 50, 50), 'disk2': nt(100, 100, 110)},
|
||
|
|
)
|
||
|
|
|
||
|
|
def test_real_data(self):
|
||
|
|
d = {
|
||
|
|
'nvme0n1': (300, 508, 640, 1571, 5970, 1987, 2049, 451751, 47048),
|
||
|
|
'nvme0n1p1': (1171, 2, 5600256, 1024, 516, 0, 0, 0, 8),
|
||
|
|
'nvme0n1p2': (54, 54, 2396160, 5165056, 4, 24, 30, 1207, 28),
|
||
|
|
'nvme0n1p3': (2389, 4539, 5154, 150, 4828, 1844, 2019, 398, 348),
|
||
|
|
}
|
||
|
|
self.assertEqual(wrap_numbers(d, 'disk_io'), d)
|
||
|
|
self.assertEqual(wrap_numbers(d, 'disk_io'), d)
|
||
|
|
# decrease this ↓
|
||
|
|
d = {
|
||
|
|
'nvme0n1': (100, 508, 640, 1571, 5970, 1987, 2049, 451751, 47048),
|
||
|
|
'nvme0n1p1': (1171, 2, 5600256, 1024, 516, 0, 0, 0, 8),
|
||
|
|
'nvme0n1p2': (54, 54, 2396160, 5165056, 4, 24, 30, 1207, 28),
|
||
|
|
'nvme0n1p3': (2389, 4539, 5154, 150, 4828, 1844, 2019, 398, 348),
|
||
|
|
}
|
||
|
|
out = wrap_numbers(d, 'disk_io')
|
||
|
|
self.assertEqual(out['nvme0n1'][0], 400)
|
||
|
|
|
||
|
|
# --- cache tests
|
||
|
|
|
||
|
|
def test_cache_first_call(self):
|
||
|
|
input = {'disk1': nt(5, 5, 5)}
|
||
|
|
wrap_numbers(input, 'disk_io')
|
||
|
|
cache = wrap_numbers.cache_info()
|
||
|
|
self.assertEqual(cache[0], {'disk_io': input})
|
||
|
|
self.assertEqual(cache[1], {'disk_io': {}})
|
||
|
|
self.assertEqual(cache[2], {'disk_io': {}})
|
||
|
|
|
||
|
|
def test_cache_call_twice(self):
|
||
|
|
input = {'disk1': nt(5, 5, 5)}
|
||
|
|
wrap_numbers(input, 'disk_io')
|
||
|
|
input = {'disk1': nt(10, 10, 10)}
|
||
|
|
wrap_numbers(input, 'disk_io')
|
||
|
|
cache = wrap_numbers.cache_info()
|
||
|
|
self.assertEqual(cache[0], {'disk_io': input})
|
||
|
|
self.assertEqual(
|
||
|
|
cache[1],
|
||
|
|
{'disk_io': {('disk1', 0): 0, ('disk1', 1): 0, ('disk1', 2): 0}},
|
||
|
|
)
|
||
|
|
self.assertEqual(cache[2], {'disk_io': {}})
|
||
|
|
|
||
|
|
def test_cache_wrap(self):
|
||
|
|
# let's say 100 is the threshold
|
||
|
|
input = {'disk1': nt(100, 100, 100)}
|
||
|
|
wrap_numbers(input, 'disk_io')
|
||
|
|
|
||
|
|
# first wrap restarts from 10
|
||
|
|
input = {'disk1': nt(100, 100, 10)}
|
||
|
|
wrap_numbers(input, 'disk_io')
|
||
|
|
cache = wrap_numbers.cache_info()
|
||
|
|
self.assertEqual(cache[0], {'disk_io': input})
|
||
|
|
self.assertEqual(
|
||
|
|
cache[1],
|
||
|
|
{'disk_io': {('disk1', 0): 0, ('disk1', 1): 0, ('disk1', 2): 100}},
|
||
|
|
)
|
||
|
|
self.assertEqual(cache[2], {'disk_io': {'disk1': set([('disk1', 2)])}})
|
||
|
|
|
||
|
|
def check_cache_info():
|
||
|
|
cache = wrap_numbers.cache_info()
|
||
|
|
self.assertEqual(
|
||
|
|
cache[1],
|
||
|
|
{
|
||
|
|
'disk_io': {
|
||
|
|
('disk1', 0): 0,
|
||
|
|
('disk1', 1): 0,
|
||
|
|
('disk1', 2): 100,
|
||
|
|
}
|
||
|
|
},
|
||
|
|
)
|
||
|
|
self.assertEqual(
|
||
|
|
cache[2], {'disk_io': {'disk1': set([('disk1', 2)])}}
|
||
|
|
)
|
||
|
|
|
||
|
|
# then it remains the same
|
||
|
|
input = {'disk1': nt(100, 100, 10)}
|
||
|
|
wrap_numbers(input, 'disk_io')
|
||
|
|
cache = wrap_numbers.cache_info()
|
||
|
|
self.assertEqual(cache[0], {'disk_io': input})
|
||
|
|
check_cache_info()
|
||
|
|
|
||
|
|
# then it goes up
|
||
|
|
input = {'disk1': nt(100, 100, 90)}
|
||
|
|
wrap_numbers(input, 'disk_io')
|
||
|
|
cache = wrap_numbers.cache_info()
|
||
|
|
self.assertEqual(cache[0], {'disk_io': input})
|
||
|
|
check_cache_info()
|
||
|
|
|
||
|
|
# then it wraps again
|
||
|
|
input = {'disk1': nt(100, 100, 20)}
|
||
|
|
wrap_numbers(input, 'disk_io')
|
||
|
|
cache = wrap_numbers.cache_info()
|
||
|
|
self.assertEqual(cache[0], {'disk_io': input})
|
||
|
|
self.assertEqual(
|
||
|
|
cache[1],
|
||
|
|
{'disk_io': {('disk1', 0): 0, ('disk1', 1): 0, ('disk1', 2): 190}},
|
||
|
|
)
|
||
|
|
self.assertEqual(cache[2], {'disk_io': {'disk1': set([('disk1', 2)])}})
|
||
|
|
|
||
|
|
def test_cache_changing_keys(self):
|
||
|
|
input = {'disk1': nt(5, 5, 5)}
|
||
|
|
wrap_numbers(input, 'disk_io')
|
||
|
|
input = {'disk1': nt(5, 5, 5), 'disk2': nt(7, 7, 7)}
|
||
|
|
wrap_numbers(input, 'disk_io')
|
||
|
|
cache = wrap_numbers.cache_info()
|
||
|
|
self.assertEqual(cache[0], {'disk_io': input})
|
||
|
|
self.assertEqual(
|
||
|
|
cache[1],
|
||
|
|
{'disk_io': {('disk1', 0): 0, ('disk1', 1): 0, ('disk1', 2): 0}},
|
||
|
|
)
|
||
|
|
self.assertEqual(cache[2], {'disk_io': {}})
|
||
|
|
|
||
|
|
def test_cache_clear(self):
|
||
|
|
input = {'disk1': nt(5, 5, 5)}
|
||
|
|
wrap_numbers(input, 'disk_io')
|
||
|
|
wrap_numbers(input, 'disk_io')
|
||
|
|
wrap_numbers.cache_clear('disk_io')
|
||
|
|
self.assertEqual(wrap_numbers.cache_info(), ({}, {}, {}))
|
||
|
|
wrap_numbers.cache_clear('disk_io')
|
||
|
|
wrap_numbers.cache_clear('?!?')
|
||
|
|
|
||
|
|
@unittest.skipIf(not HAS_NET_IO_COUNTERS, 'not supported')
|
||
|
|
def test_cache_clear_public_apis(self):
|
||
|
|
if not psutil.disk_io_counters() or not psutil.net_io_counters():
|
||
|
|
raise unittest.SkipTest("no disks or NICs available")
|
||
|
|
psutil.disk_io_counters()
|
||
|
|
psutil.net_io_counters()
|
||
|
|
caches = wrap_numbers.cache_info()
|
||
|
|
for cache in caches:
|
||
|
|
self.assertIn('psutil.disk_io_counters', cache)
|
||
|
|
self.assertIn('psutil.net_io_counters', cache)
|
||
|
|
|
||
|
|
psutil.disk_io_counters.cache_clear()
|
||
|
|
caches = wrap_numbers.cache_info()
|
||
|
|
for cache in caches:
|
||
|
|
self.assertIn('psutil.net_io_counters', cache)
|
||
|
|
self.assertNotIn('psutil.disk_io_counters', cache)
|
||
|
|
|
||
|
|
psutil.net_io_counters.cache_clear()
|
||
|
|
caches = wrap_numbers.cache_info()
|
||
|
|
self.assertEqual(caches, ({}, {}, {}))
|
||
|
|
|
||
|
|
|
||
|
|
# ===================================================================
|
||
|
|
# --- Example script tests
|
||
|
|
# ===================================================================
|
||
|
|
|
||
|
|
|
||
|
|
@unittest.skipIf(
|
||
|
|
not os.path.exists(SCRIPTS_DIR), "can't locate scripts directory"
|
||
|
|
)
|
||
|
|
class TestScripts(PsutilTestCase):
|
||
|
|
"""Tests for scripts in the "scripts" directory."""
|
||
|
|
|
||
|
|
@staticmethod
|
||
|
|
def assert_stdout(exe, *args, **kwargs):
|
||
|
|
kwargs.setdefault("env", PYTHON_EXE_ENV)
|
||
|
|
exe = '%s' % os.path.join(SCRIPTS_DIR, exe)
|
||
|
|
cmd = [PYTHON_EXE, exe]
|
||
|
|
for arg in args:
|
||
|
|
cmd.append(arg)
|
||
|
|
try:
|
||
|
|
out = sh(cmd, **kwargs).strip()
|
||
|
|
except RuntimeError as err:
|
||
|
|
if 'AccessDenied' in str(err):
|
||
|
|
return str(err)
|
||
|
|
else:
|
||
|
|
raise
|
||
|
|
assert out, out
|
||
|
|
return out
|
||
|
|
|
||
|
|
@staticmethod
|
||
|
|
def assert_syntax(exe):
|
||
|
|
exe = os.path.join(SCRIPTS_DIR, exe)
|
||
|
|
with open(exe, encoding="utf8") if PY3 else open(exe) as f:
|
||
|
|
src = f.read()
|
||
|
|
ast.parse(src)
|
||
|
|
|
||
|
|
def test_coverage(self):
|
||
|
|
# make sure all example scripts have a test method defined
|
||
|
|
meths = dir(self)
|
||
|
|
for name in os.listdir(SCRIPTS_DIR):
|
||
|
|
if name.endswith('.py'):
|
||
|
|
if 'test_' + os.path.splitext(name)[0] not in meths:
|
||
|
|
# self.assert_stdout(name)
|
||
|
|
raise self.fail(
|
||
|
|
'no test defined for %r script'
|
||
|
|
% os.path.join(SCRIPTS_DIR, name)
|
||
|
|
)
|
||
|
|
|
||
|
|
@unittest.skipIf(not POSIX, "POSIX only")
|
||
|
|
def test_executable(self):
|
||
|
|
for root, dirs, files in os.walk(SCRIPTS_DIR):
|
||
|
|
for file in files:
|
||
|
|
if file.endswith('.py'):
|
||
|
|
path = os.path.join(root, file)
|
||
|
|
if not stat.S_IXUSR & os.stat(path)[stat.ST_MODE]:
|
||
|
|
raise self.fail('%r is not executable' % path)
|
||
|
|
|
||
|
|
def test_disk_usage(self):
|
||
|
|
self.assert_stdout('disk_usage.py')
|
||
|
|
|
||
|
|
def test_free(self):
|
||
|
|
self.assert_stdout('free.py')
|
||
|
|
|
||
|
|
def test_meminfo(self):
|
||
|
|
self.assert_stdout('meminfo.py')
|
||
|
|
|
||
|
|
def test_procinfo(self):
|
||
|
|
self.assert_stdout('procinfo.py', str(os.getpid()))
|
||
|
|
|
||
|
|
@unittest.skipIf(CI_TESTING and not psutil.users(), "no users")
|
||
|
|
def test_who(self):
|
||
|
|
self.assert_stdout('who.py')
|
||
|
|
|
||
|
|
def test_ps(self):
|
||
|
|
self.assert_stdout('ps.py')
|
||
|
|
|
||
|
|
def test_pstree(self):
|
||
|
|
self.assert_stdout('pstree.py')
|
||
|
|
|
||
|
|
def test_netstat(self):
|
||
|
|
self.assert_stdout('netstat.py')
|
||
|
|
|
||
|
|
@unittest.skipIf(QEMU_USER, 'QEMU user not supported')
|
||
|
|
def test_ifconfig(self):
|
||
|
|
self.assert_stdout('ifconfig.py')
|
||
|
|
|
||
|
|
@unittest.skipIf(not HAS_MEMORY_MAPS, "not supported")
|
||
|
|
def test_pmap(self):
|
||
|
|
self.assert_stdout('pmap.py', str(os.getpid()))
|
||
|
|
|
||
|
|
def test_procsmem(self):
|
||
|
|
if 'uss' not in psutil.Process().memory_full_info()._fields:
|
||
|
|
raise unittest.SkipTest("not supported")
|
||
|
|
self.assert_stdout('procsmem.py')
|
||
|
|
|
||
|
|
def test_killall(self):
|
||
|
|
self.assert_syntax('killall.py')
|
||
|
|
|
||
|
|
def test_nettop(self):
|
||
|
|
self.assert_syntax('nettop.py')
|
||
|
|
|
||
|
|
def test_top(self):
|
||
|
|
self.assert_syntax('top.py')
|
||
|
|
|
||
|
|
def test_iotop(self):
|
||
|
|
self.assert_syntax('iotop.py')
|
||
|
|
|
||
|
|
def test_pidof(self):
|
||
|
|
output = self.assert_stdout('pidof.py', psutil.Process().name())
|
||
|
|
self.assertIn(str(os.getpid()), output)
|
||
|
|
|
||
|
|
@unittest.skipIf(not WINDOWS, "WINDOWS only")
|
||
|
|
def test_winservices(self):
|
||
|
|
self.assert_stdout('winservices.py')
|
||
|
|
|
||
|
|
def test_cpu_distribution(self):
|
||
|
|
self.assert_syntax('cpu_distribution.py')
|
||
|
|
|
||
|
|
@unittest.skipIf(not HAS_SENSORS_TEMPERATURES, "not supported")
|
||
|
|
def test_temperatures(self):
|
||
|
|
if not psutil.sensors_temperatures():
|
||
|
|
raise unittest.SkipTest("no temperatures")
|
||
|
|
self.assert_stdout('temperatures.py')
|
||
|
|
|
||
|
|
@unittest.skipIf(not HAS_SENSORS_FANS, "not supported")
|
||
|
|
def test_fans(self):
|
||
|
|
if not psutil.sensors_fans():
|
||
|
|
raise unittest.SkipTest("no fans")
|
||
|
|
self.assert_stdout('fans.py')
|
||
|
|
|
||
|
|
@unittest.skipIf(not HAS_SENSORS_BATTERY, "not supported")
|
||
|
|
@unittest.skipIf(not HAS_BATTERY, "no battery")
|
||
|
|
def test_battery(self):
|
||
|
|
self.assert_stdout('battery.py')
|
||
|
|
|
||
|
|
@unittest.skipIf(not HAS_SENSORS_BATTERY, "not supported")
|
||
|
|
@unittest.skipIf(not HAS_BATTERY, "no battery")
|
||
|
|
def test_sensors(self):
|
||
|
|
self.assert_stdout('sensors.py')
|
||
|
|
|
||
|
|
|
||
|
|
if __name__ == '__main__':
|
||
|
|
from psutil.tests.runner import run_from_name
|
||
|
|
|
||
|
|
run_from_name(__file__)
|