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편집 파일: test_misc.py

#!/usr/bin/env python3 # -*- coding: utf-8 -*- # Copyright (c) 2009, Giampaolo Rodola'. All rights reserved. # Use of this source code is governed by a BSD-style license that can be # found in the LICENSE file. """ Miscellaneous tests. """ import ast import collections import errno import json import os import pickle import socket import stat import unittest import psutil import psutil.tests from psutil import LINUX from psutil import POSIX from psutil import WINDOWS from psutil._common import bcat from psutil._common import cat from psutil._common import debug from psutil._common import isfile_strict from psutil._common import memoize from psutil._common import memoize_when_activated from psutil._common import parse_environ_block from psutil._common import supports_ipv6 from psutil._common import wrap_numbers from psutil._compat import PY3 from psutil._compat import FileNotFoundError from psutil._compat import redirect_stderr from psutil.tests import APPVEYOR from psutil.tests import CI_TESTING from psutil.tests import HAS_BATTERY from psutil.tests import HAS_MEMORY_MAPS from psutil.tests import HAS_NET_IO_COUNTERS from psutil.tests import HAS_SENSORS_BATTERY from psutil.tests import HAS_SENSORS_FANS from psutil.tests import HAS_SENSORS_TEMPERATURES from psutil.tests import PYTHON_EXE from psutil.tests import PYTHON_EXE_ENV from psutil.tests import SCRIPTS_DIR from psutil.tests import PsutilTestCase from psutil.tests import mock from psutil.tests import reload_module from psutil.tests import sh # =================================================================== # --- Test classes' repr(), str(), ... # =================================================================== class TestSpecialMethods(PsutilTestCase): def test_process__repr__(self, func=repr): p = psutil.Process(self.spawn_testproc().pid) r = func(p) self.assertIn("psutil.Process", r) self.assertIn("pid=%s" % p.pid, r) self.assertIn("name='%s'" % str(p.name()), r.replace("name=u'", "name='")) self.assertIn("status=", r) self.assertNotIn("exitcode=", r) p.terminate() p.wait() r = func(p) self.assertIn("status='terminated'", r) self.assertIn("exitcode=", r) with mock.patch.object(psutil.Process, "name", side_effect=psutil.ZombieProcess(os.getpid())): p = psutil.Process() r = func(p) self.assertIn("pid=%s" % p.pid, r) self.assertIn("status='zombie'", r) self.assertNotIn("name=", r) with mock.patch.object(psutil.Process, "name", side_effect=psutil.NoSuchProcess(os.getpid())): p = psutil.Process() r = func(p) self.assertIn("pid=%s" % p.pid, r) self.assertIn("terminated", r) self.assertNotIn("name=", r) with mock.patch.object(psutil.Process, "name", side_effect=psutil.AccessDenied(os.getpid())): p = psutil.Process() r = func(p) self.assertIn("pid=%s" % p.pid, r) self.assertNotIn("name=", r) def test_process__str__(self): self.test_process__repr__(func=str) def test_error__repr__(self): self.assertEqual(repr(psutil.Error()), "psutil.Error()") def test_error__str__(self): self.assertEqual(str(psutil.Error()), "") def test_no_such_process__repr__(self): self.assertEqual( repr(psutil.NoSuchProcess(321)), "psutil.NoSuchProcess(pid=321, msg='process no longer exists')") self.assertEqual( repr(psutil.NoSuchProcess(321, name="name", msg="msg")), "psutil.NoSuchProcess(pid=321, name='name', msg='msg')") def test_no_such_process__str__(self): self.assertEqual( str(psutil.NoSuchProcess(321)), "process no longer exists (pid=321)") self.assertEqual( str(psutil.NoSuchProcess(321, name="name", msg="msg")), "msg (pid=321, name='name')") def test_zombie_process__repr__(self): self.assertEqual( repr(psutil.ZombieProcess(321)), 'psutil.ZombieProcess(pid=321, msg="PID still ' 'exists but it\'s a zombie")') self.assertEqual( repr(psutil.ZombieProcess(321, name="name", ppid=320, msg="foo")), "psutil.ZombieProcess(pid=321, ppid=320, name='name', msg='foo')") def test_zombie_process__str__(self): self.assertEqual( str(psutil.ZombieProcess(321)), "PID still exists but it's a zombie (pid=321)") self.assertEqual( str(psutil.ZombieProcess(321, name="name", ppid=320, msg="foo")), "foo (pid=321, ppid=320, name='name')") def test_access_denied__repr__(self): self.assertEqual( repr(psutil.AccessDenied(321)), "psutil.AccessDenied(pid=321)") self.assertEqual( repr(psutil.AccessDenied(321, name="name", msg="msg")), "psutil.AccessDenied(pid=321, name='name', msg='msg')") def test_access_denied__str__(self): self.assertEqual( str(psutil.AccessDenied(321)), "(pid=321)") self.assertEqual( str(psutil.AccessDenied(321, name="name", msg="msg")), "msg (pid=321, name='name')") def test_timeout_expired__repr__(self): self.assertEqual( repr(psutil.TimeoutExpired(5)), "psutil.TimeoutExpired(seconds=5, msg='timeout after 5 seconds')") self.assertEqual( repr(psutil.TimeoutExpired(5, pid=321, name="name")), "psutil.TimeoutExpired(pid=321, name='name', seconds=5, " "msg='timeout after 5 seconds')") def test_timeout_expired__str__(self): self.assertEqual( str(psutil.TimeoutExpired(5)), "timeout after 5 seconds") self.assertEqual( str(psutil.TimeoutExpired(5, pid=321, name="name")), "timeout after 5 seconds (pid=321, name='name')") def test_process__eq__(self): p1 = psutil.Process() p2 = psutil.Process() self.assertEqual(p1, p2) p2._ident = (0, 0) self.assertNotEqual(p1, p2) self.assertNotEqual(p1, 'foo') def test_process__hash__(self): s = set([psutil.Process(), psutil.Process()]) self.assertEqual(len(s), 1) # =================================================================== # --- Misc, generic, corner cases # =================================================================== class TestMisc(PsutilTestCase): def test__all__(self): dir_psutil = dir(psutil) for name in dir_psutil: if name in ('long', 'tests', 'test', 'PermissionError', 'ProcessLookupError'): continue if not name.startswith('_'): try: __import__(name) except ImportError: if name not in psutil.__all__: fun = getattr(psutil, name) if fun is None: continue if (fun.__doc__ is not None and 'deprecated' not in fun.__doc__.lower()): raise self.fail('%r not in psutil.__all__' % name) # Import 'star' will break if __all__ is inconsistent, see: # https://github.com/giampaolo/psutil/issues/656 # Can't do `from psutil import *` as it won't work on python 3 # so we simply iterate over __all__. for name in psutil.__all__: self.assertIn(name, dir_psutil) def test_version(self): self.assertEqual('.'.join([str(x) for x in psutil.version_info]), psutil.__version__) def test_process_as_dict_no_new_names(self): # See https://github.com/giampaolo/psutil/issues/813 p = psutil.Process() p.foo = '1' self.assertNotIn('foo', p.as_dict()) def test_serialization(self): def check(ret): if json is not None: json.loads(json.dumps(ret)) a = pickle.dumps(ret) b = pickle.loads(a) self.assertEqual(ret, b) check(psutil.Process().as_dict()) check(psutil.virtual_memory()) check(psutil.swap_memory()) check(psutil.cpu_times()) check(psutil.cpu_times_percent(interval=0)) check(psutil.net_io_counters()) if LINUX and not os.path.exists('/proc/diskstats'): pass else: if not APPVEYOR: check(psutil.disk_io_counters()) check(psutil.disk_partitions()) check(psutil.disk_usage(os.getcwd())) check(psutil.users()) # # 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): # return self.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") 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, "wt") 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(): return self.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) if PY3: f = open(exe, 'rt', encoding='utf8') else: f = open(exe, 'rt') with 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') 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 self.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(): self.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(): self.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__)