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# SPDX-License-Identifier: LGPL-2.1-or-later
# Copyright (C) 2023 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 get_running_loop, sleep, wait_for
from unittest import main
from sdbus.exceptions import (
SdBusLibraryError,
SdBusRequestNameAlreadyOwnerError,
SdBusRequestNameError,
SdBusRequestNameExistsError,
SdBusRequestNameInQueueError,
)
from sdbus.sd_bus_internals import NameAllowReplacementFlag, NameQueueFlag
from sdbus.unittest import IsolatedDbusTestCase
from sdbus_async.dbus_daemon import FreedesktopDbus
from sdbus import (
request_default_bus_name,
request_default_bus_name_async,
sd_bus_open_user,
)
TEST_BUS_NAME = 'com.example.test'
TEST_BUS_NAME_regex_match = TEST_BUS_NAME.replace('.', r'\.')
class TestRequestNameLowLevel(IsolatedDbusTestCase):
def test_request_name_exception_tree(self) -> None:
# Test that SdBusRequestNameError is super class
# of other request name exceptions
self.assertTrue(
issubclass(
SdBusRequestNameAlreadyOwnerError,
SdBusRequestNameError,
)
)
self.assertTrue(
issubclass(
SdBusRequestNameExistsError,
SdBusRequestNameError,
)
)
self.assertTrue(
issubclass(
SdBusRequestNameInQueueError,
SdBusRequestNameError,
)
)
# Test the opposite
self.assertFalse(
issubclass(
SdBusRequestNameAlreadyOwnerError,
SdBusRequestNameExistsError,
)
)
self.assertFalse(
issubclass(
SdBusRequestNameInQueueError,
SdBusRequestNameExistsError,
)
)
self.assertFalse(
issubclass(
SdBusRequestNameInQueueError,
SdBusRequestNameAlreadyOwnerError,
)
)
async def test_name_exists_async(self) -> None:
extra_bus = sd_bus_open_user()
await self.bus.request_name_async(TEST_BUS_NAME, 0)
with self.assertRaises(SdBusRequestNameExistsError):
await wait_for(
extra_bus.request_name_async(TEST_BUS_NAME, 0),
timeout=1,
)
async def test_name_already_async(self) -> None:
await self.bus.request_name_async(TEST_BUS_NAME, 0)
with self.assertRaises(SdBusRequestNameAlreadyOwnerError):
await wait_for(
self.bus.request_name_async(TEST_BUS_NAME, 0),
timeout=1,
)
async def test_name_queued_async(self) -> None:
extra_bus = sd_bus_open_user()
await self.bus.request_name_async(TEST_BUS_NAME, 0)
with self.assertRaises(SdBusRequestNameInQueueError):
await wait_for(
extra_bus.request_name_async(TEST_BUS_NAME, NameQueueFlag),
timeout=1,
)
async def test_name_other_error_async(self) -> None:
extra_bus = sd_bus_open_user()
extra_bus.close()
with self.assertRaises(SdBusLibraryError):
await wait_for(
extra_bus.request_name_async(TEST_BUS_NAME, 0),
timeout=1,
)
def test_name_exists_block(self) -> None:
extra_bus = sd_bus_open_user()
self.bus.request_name(TEST_BUS_NAME, 0)
with self.assertRaisesRegex(
SdBusRequestNameExistsError,
TEST_BUS_NAME_regex_match,
):
extra_bus.request_name(TEST_BUS_NAME, 0)
def test_name_already_block(self) -> None:
self.bus.request_name(TEST_BUS_NAME, 0)
with self.assertRaisesRegex(
SdBusRequestNameAlreadyOwnerError,
TEST_BUS_NAME_regex_match,
):
self.bus.request_name(TEST_BUS_NAME, 0)
def test_name_queued_block(self) -> None:
extra_bus = sd_bus_open_user()
self.bus.request_name(TEST_BUS_NAME, 0)
with self.assertRaisesRegex(
SdBusRequestNameInQueueError,
TEST_BUS_NAME_regex_match,
):
extra_bus.request_name(TEST_BUS_NAME, NameQueueFlag)
def test_name_other_error_block(self) -> None:
extra_bus = sd_bus_open_user()
extra_bus.close()
with self.assertRaises(SdBusLibraryError):
extra_bus.request_name(TEST_BUS_NAME, 0)
class TestRequestNameBlock(IsolatedDbusTestCase):
def test_request_name_replacement(self) -> None:
extra_bus = sd_bus_open_user()
extra_bus.request_name(TEST_BUS_NAME, NameAllowReplacementFlag)
with self.assertRaises(SdBusRequestNameExistsError):
request_default_bus_name(TEST_BUS_NAME)
request_default_bus_name(
TEST_BUS_NAME,
replace_existing=True,
)
class TestRequestNameAsync(IsolatedDbusTestCase):
async def test_request_name_replacement(self) -> None:
extra_bus = sd_bus_open_user()
await extra_bus.request_name_async(
TEST_BUS_NAME,
NameAllowReplacementFlag,
)
with self.assertRaises(SdBusRequestNameExistsError):
await request_default_bus_name_async(TEST_BUS_NAME)
await request_default_bus_name_async(
TEST_BUS_NAME,
replace_existing=True,
)
async def test_request_name_queue(self) -> None:
extra_bus = sd_bus_open_user()
await extra_bus.request_name_async(TEST_BUS_NAME, 0)
with self.assertRaises(SdBusRequestNameInQueueError):
await request_default_bus_name_async(
TEST_BUS_NAME,
queue=True,
)
async def catch_owner_changed() -> str:
dbus = FreedesktopDbus()
async for name, old, new in dbus.name_owner_changed:
if name != TEST_BUS_NAME:
continue
if old and new:
return new
raise RuntimeError
loop = get_running_loop()
owner_changed_task = loop.create_task(catch_owner_changed())
await sleep(0)
extra_bus.close()
await wait_for(owner_changed_task, timeout=0.5)
with self.assertRaises(SdBusRequestNameAlreadyOwnerError):
await request_default_bus_name_async(TEST_BUS_NAME)
if __name__ == '__main__':
main()
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