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# SPDX-License-Identifier: LGPL-2.1-or-later
# Copyright (C) 2020-2022 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, wait_for
from typing import Any
from sdbus.dbus_common_elements import DbusLocalObjectMeta
from sdbus.exceptions import DbusFailedError
from sdbus.unittest import IsolatedDbusTestCase
from sdbus import (
DbusInterfaceCommonAsync,
dbus_method_async,
dbus_property_async,
request_default_bus_name_async,
)
HELLO_WORLD = 'Hello, world!'
class DbusDerivePropertydError(DbusFailedError):
dbus_error_name = 'org.example.PropertyError'
class IndependentError(Exception):
...
GOOD_STR = 'Good'
class InterfaceWithErrors(
DbusInterfaceCommonAsync,
interface_name='org.example.errors',
):
@dbus_property_async('s')
def indep_err_getter(self) -> str:
raise IndependentError
@dbus_property_async('s')
def derrive_err_getter(self) -> str:
raise DbusDerivePropertydError
@dbus_method_async(result_signature='s')
async def hello_error(self) -> str:
raise AttributeError
@dbus_method_async(result_signature='s')
async def hello_world(self) -> str:
return HELLO_WORLD
@dbus_property_async('s')
def indep_err_setable(self) -> str:
return GOOD_STR
@indep_err_setable.setter
def indep_err_setter(self, new_value: str) -> None:
raise IndependentError
@dbus_property_async('s')
def derrive_err_settable(self) -> str:
return GOOD_STR
@derrive_err_settable.setter
def derrive_err_setter(self, new_value: str) -> None:
raise DbusDerivePropertydError
class TestLowLevelErrors(IsolatedDbusTestCase):
async def asyncSetUp(self) -> None:
await super().asyncSetUp()
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)
async def test_property_getter_independent_error(self) -> None:
with self.assertRaises(DbusFailedError) as cm:
await wait_for(
self.test_object_connection.indep_err_getter.get_async(),
timeout=1,
)
should_be_dbus_failed = cm.exception
self.assertIs(should_be_dbus_failed.__class__, DbusFailedError)
await self.test_object_connection.hello_world()
async def test_property_getter_derived_error(self) -> None:
with self.assertRaises(DbusDerivePropertydError):
await wait_for(
self.test_object_connection.derrive_err_getter.get_async(),
timeout=1,
)
await self.test_object_connection.hello_world()
async def test_property_setter_independent_error(self) -> None:
self.assertEqual(
await wait_for(
self.test_object_connection.indep_err_setable.get_async(),
timeout=1,
),
GOOD_STR,
)
with self.assertRaises(DbusFailedError) as cm:
await wait_for(
self.test_object_connection.
indep_err_setable.set_async('Test'),
timeout=1,
)
should_be_dbus_failed = cm.exception
self.assertIs(should_be_dbus_failed.__class__, DbusFailedError)
await self.test_object_connection.hello_world()
async def test_property_setter_derived_error(self) -> None:
self.assertEqual(
await wait_for(
self.test_object_connection.derrive_err_settable.get_async(),
timeout=1,
),
GOOD_STR,
)
with self.assertRaises(DbusDerivePropertydError):
await wait_for(
self.test_object_connection.
derrive_err_settable.set_async('Test'),
timeout=1,
)
await self.test_object_connection.hello_world()
async def test_property_callback_error(self) -> None:
dbus_local_meta = self.test_object._dbus
if not isinstance(dbus_local_meta, DbusLocalObjectMeta):
raise TypeError
interface = dbus_local_meta.activated_interfaces[0]
interface.property_get_dict.pop(b'DerriveErrSettable')
with self.assertRaises(DbusFailedError):
await wait_for(
self.test_object_connection.derrive_err_settable,
timeout=1,
)
async def test_method_callback_error(self) -> None:
TEST_KEY = b'HelloWorld'
dbus_local_meta = self.test_object._dbus
if not isinstance(dbus_local_meta, DbusLocalObjectMeta):
raise TypeError
interface = dbus_local_meta.activated_interfaces[0]
interface.method_dict.pop(TEST_KEY)
with self.assertRaises(DbusFailedError):
await wait_for(
self.test_object_connection.hello_world(),
timeout=1,
)
interface.method_dict[TEST_KEY] = None
with self.assertRaises(TypeError):
await wait_for(
self.test_object_connection.hello_world(),
timeout=1,
)
def test_raise(*args: Any, **kwargs: Any) -> None:
raise DbusDerivePropertydError
interface.method_dict[TEST_KEY] = test_raise
with self.assertRaises(DbusDerivePropertydError):
await wait_for(
self.test_object_connection.hello_world(),
timeout=1,
)
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