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import asyncio
import sys
import pytest
from dbus_fast import DBusError, Message, aio, glib
from dbus_fast.annotations import DBusDict, DBusInt64, DBusStr
from dbus_fast.service import PropertyAccess, ServiceInterface, dbus_property
from dbus_fast.signature import Variant
from tests.util import check_gi_repository, skip_reason_no_gi
has_gi = check_gi_repository()
class ExampleInterface(ServiceInterface):
def __init__(self):
super().__init__("test.interface")
self._some_property = "foo"
self.error_name = "test.error"
self.error_text = "i am bad"
self._int64_property = -10000
@dbus_property()
def SomeProperty(self) -> DBusStr:
return self._some_property
@SomeProperty.setter
def SomeProperty(self, val: DBusStr) -> None:
self._some_property = val
@dbus_property(access=PropertyAccess.READ)
def Int64Property(self) -> DBusInt64:
return self._int64_property
@dbus_property(access=PropertyAccess.READ)
def ComplexProperty(self) -> DBusDict:
"""Return complex output."""
return {"hello": Variant("s", "world")}
@dbus_property()
def ErrorThrowingProperty(self) -> DBusStr:
raise DBusError(self.error_name, self.error_text)
@ErrorThrowingProperty.setter
def ErrorThrowingProperty(self, val: DBusStr) -> None:
raise DBusError(self.error_name, self.error_text)
@pytest.mark.asyncio
async def test_aio_properties():
service_bus = await aio.MessageBus().connect()
service_interface = ExampleInterface()
service_bus.export("/test/path", service_interface)
bus = await aio.MessageBus().connect()
obj = bus.get_proxy_object(
service_bus.unique_name,
"/test/path",
service_bus._introspect_export_path("/test/path"),
)
interface = obj.get_interface(service_interface.name)
prop = await interface.get_some_property()
assert prop == service_interface._some_property
prop = await interface.get_int64_property()
assert prop == service_interface._int64_property
await interface.set_some_property("different")
assert service_interface._some_property == "different"
prop = await interface.get_complex_property()
assert prop == {"hello": Variant("s", "world")}
prop = await interface.get_complex_property(unpack_variants=True)
assert prop == {"hello": "world"}
with pytest.raises(DBusError):
try:
prop = await interface.get_error_throwing_property()
assert False, prop
except DBusError as e:
assert e.type == service_interface.error_name
assert e.text == service_interface.error_text
assert type(e.reply) is Message
raise e
with pytest.raises(DBusError):
try:
await interface.set_error_throwing_property("different")
except DBusError as e:
assert e.type == service_interface.error_name
assert e.text == service_interface.error_text
assert type(e.reply) is Message
raise e
service_bus.disconnect()
bus.disconnect()
await asyncio.wait_for(service_bus.wait_for_disconnect(), timeout=1)
await asyncio.wait_for(bus.wait_for_disconnect(), timeout=1)
@pytest.mark.skipif(
sys.version_info[:3][1] in (10, 11, 12, 13),
reason="segfaults on py3.10,py3.11,py3.12,py3.13",
)
@pytest.mark.skipif(not has_gi, reason=skip_reason_no_gi)
def test_glib_properties():
service_bus = glib.MessageBus().connect_sync()
service_interface = ExampleInterface()
service_bus.export("/test/path", service_interface)
bus = glib.MessageBus().connect_sync()
obj = bus.get_proxy_object(
service_bus.unique_name,
"/test/path",
service_bus._introspect_export_path("/test/path"),
)
interface = obj.get_interface(service_interface.name)
prop = interface.get_some_property_sync()
assert prop == service_interface._some_property
interface.set_some_property_sync("different")
assert service_interface._some_property == "different"
prop = interface.get_complex_property_sync()
assert prop == {"hello": Variant("s", "world")}
prop = interface.get_complex_property_sync(unpack_variants=True)
assert prop == {"hello": "world"}
with pytest.raises(DBusError):
try:
prop = interface.get_error_throwing_property_sync()
assert False, prop
except DBusError as e:
assert e.type == service_interface.error_name
assert e.text == service_interface.error_text
assert type(e.reply) is Message
raise e
with pytest.raises(DBusError):
try:
interface.set_error_throwing_property_sync("different2")
except DBusError as e:
assert e.type == service_interface.error_name
assert e.text == service_interface.error_text
assert type(e.reply) is Message
raise e
service_bus.disconnect()
bus.disconnect()
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