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# SPDX-License-Identifier: LGPL-2.1-or-later
# Copyright (C) 2020, 2021 igo95862
# This file is part of python-sdbus
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
from __future__ import annotations
from asyncio import (
FIRST_EXCEPTION,
Task,
get_running_loop,
sleep,
wait,
wait_for,
)
from os import environ
from resource import RUSAGE_SELF, getrusage
from typing import Any, cast
from unittest import SkipTest
from sdbus.exceptions import DbusFailedError
from sdbus.unittest import IsolatedDbusTestCase
from sdbus import request_default_bus_name_async
from .test_low_level_errors import (
DbusDerivePropertydError,
InterfaceWithErrors,
)
from .test_read_write_dbus_types import TestDbusTypes
from .test_sdbus_async import TestPing, TestProxy, initialize_object
ENABLE_LEAK_TEST_VAR = 'PYTHON_SDBUS_TEST_LEAKS'
def leak_test_enabled() -> None:
if not environ.get(ENABLE_LEAK_TEST_VAR):
raise SkipTest(
'Leak tests not enabled, set '
f"{ENABLE_LEAK_TEST_VAR} env variable"
'to 1 to enable.'
)
class LeakTests(IsolatedDbusTestCase):
def setUp(self) -> None:
super().setUp()
self.start_mem = getrusage(RUSAGE_SELF).ru_maxrss
def check_memory(self) -> None:
current_usage = getrusage(RUSAGE_SELF).ru_maxrss
if current_usage > self.start_mem * 2:
raise RuntimeError('Leaking memory')
def test_read_write_dbus_types(self) -> None:
leak_test_enabled()
pseudo_test = cast(TestDbusTypes, self)
for _ in range(1_000_000):
TestDbusTypes.test_unsigned(pseudo_test)
TestDbusTypes.test_signed(pseudo_test)
TestDbusTypes.test_strings(pseudo_test)
TestDbusTypes.test_double(pseudo_test)
TestDbusTypes.test_bool(pseudo_test)
TestDbusTypes.test_array(pseudo_test)
TestDbusTypes.test_empty_array(pseudo_test)
TestDbusTypes.test_array_compound(pseudo_test)
TestDbusTypes.test_nested_array(pseudo_test)
TestDbusTypes.test_struct(pseudo_test)
TestDbusTypes.test_dict(pseudo_test)
TestDbusTypes.test_empty_dict(pseudo_test)
TestDbusTypes.test_dict_nested_array(pseudo_test)
TestDbusTypes.test_variant(pseudo_test)
TestDbusTypes.test_array_of_variant(pseudo_test)
TestDbusTypes.test_array_of_dict(pseudo_test)
TestDbusTypes.test_array_of_struct(pseudo_test)
TestDbusTypes.test_dict_of_struct(pseudo_test)
TestDbusTypes.test_struct_with_dict(pseudo_test)
TestDbusTypes.test_dict_of_array(pseudo_test)
TestDbusTypes.test_array_of_array(pseudo_test)
TestDbusTypes.test_sealed_message_append(pseudo_test)
self.check_memory()
async def test_ping(self) -> None:
leak_test_enabled()
pseudo_test = cast(TestPing, self)
for _ in range(1_000_000):
await TestPing.test_ping(pseudo_test)
self.check_memory()
async def test_objects(self) -> None:
leak_test_enabled()
await self.bus.request_name_async("org.example.test", 0)
pseudo_test = cast(TestProxy, self)
for _ in range(20_000):
await TestProxy.test_method_kwargs(pseudo_test)
await TestProxy.test_method(pseudo_test)
await TestProxy.test_subclass(pseudo_test)
await TestProxy.test_properties(pseudo_test)
await TestProxy.test_signal(pseudo_test)
await TestProxy.test_exceptions(pseudo_test)
await TestProxy.test_no_reply_method(pseudo_test)
await TestProxy.test_interface_remove(pseudo_test)
TestProxy.test_docstring(pseudo_test)
self.check_memory()
async def test_low_level_errors(self) -> None:
leak_test_enabled()
await request_default_bus_name_async('org.test')
self.test_object = InterfaceWithErrors()
self.test_object.export_to_dbus('/')
self.test_object_connection = InterfaceWithErrors.new_proxy(
'org.test', '/')
loop = get_running_loop()
def silence_exceptions(*args: Any, **kwrags: Any) -> None:
...
loop.set_exception_handler(silence_exceptions)
for _ in range(150_000):
with self.assertRaises(DbusFailedError):
await wait_for(
self.test_object_connection.indep_err_getter.get_async(),
timeout=1,
)
with self.assertRaises(DbusDerivePropertydError):
await wait_for(
self.test_object_connection.derrive_err_getter.get_async(),
timeout=1,
)
self.check_memory()
async def test_single_object(self) -> None:
leak_test_enabled()
await self.bus.request_name_async("org.example.test", 0)
test_object, test_object_connection = initialize_object()
i = 0
num_of_iterations = 10_000
num_of_tasks = 5
async def the_test() -> None:
for _ in range(num_of_iterations):
self.assertEqual(
'ASD',
await wait_for(test_object_connection.upper('asd'), 0.5))
await sleep(0)
self.assertEqual(
'test_property',
await wait_for(test_object_connection.test_property, 0.5))
await sleep(0)
await wait_for(
test_object_connection.test_property.set_async(
'test_property'), 0.5)
await sleep(0)
self.check_memory()
nonlocal i
i += 1
tasks: list[Task[None]] = []
loop = get_running_loop()
for _ in range(num_of_tasks):
tasks.append(loop.create_task(the_test()))
done, pending = await wait(tasks, return_when=FIRST_EXCEPTION)
self.check_memory()
self.assertEqual(i, num_of_iterations * num_of_tasks)
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