async def test_on_service_prop_changed(self) -> None:
# GIVEN
mgr = ConnmanManagerImpl(self.bus)
svc1_iface = NetConnmanServiceStub()
self.bus.stub_register_interface("/svc1", "net.connman.Service",
svc1_iface)
await mgr.setup()
self.net_connman_manager.stub_update_services(
[(
"/svc1",
self.sample_service_props,
)],
[],
)
await asyncio.sleep(0)
class ServiceListener:
def __init__(self, counter) -> None:
self.counter = counter
def prop_changed(self, svc: ConnmanService) -> None:
self.counter.update(["changed"])
cnt: TCounter[str] = Counter()
listener = ServiceListener(cnt)
svcs = mgr.list_services()
assert len(svcs) == 1
svc1 = svcs[0]
mgr.on_service_property_changed(svc1, listener.prop_changed)
# WHEN
svc1_iface.stub_properties_changed({
"Strength": Variant("i", 56),
"State": Variant("s", "online")
})
# THEN
# 2 properties have changed
assert cnt["changed"] == 2
# WHEN
# After listener is deleted, counter should not change (we should
# not keep references to the listener and allow it to be destroyed)
del listener
svc1_iface.stub_properties_changed({"Strength": Variant("i", 32)})
# THEN
# Changes are not registered anymore
assert cnt["changed"] == 2
async def test_services_changed_incomplete_data_ignore(self) -> None:
# GIVEN
mgr = ConnmanManagerImpl(self.bus)
svc1_iface = NetConnmanServiceStub()
self.bus.stub_register_interface("/svc1", "net.connman.Service",
svc1_iface)
await mgr.setup()
incomplete_props = {
"Type": Variant("s", "Skynet"),
}
# WHEN
self.net_connman_manager.stub_update_services(
[(
"/svc1",
incomplete_props,
)],
[],
)
await asyncio.sleep(0)
svcs = mgr.list_services()
# THEN
assert len(svcs) == 0