def rm_link(self, payload):
'''
This ``rm_link`` command will send a ``DISCONNECT`` control message
to device application.
'''
da_id = payload['da_id']
msg_id = str(uuid4()) # random
mode = self.get_mode(payload)
feature = payload[mode]
pub = iot_conn_mgr.conns[UUID(payload['da_id'])].ctrl.pub
try:
topic = Link.pop(da_id, feature, mode)
except ValueError as err:
return self.send_error(payload, reason=str(err))
iot_conn_mgr.conns[UUID(da_id)].ctrl.add_res_callback(
msg_id,
*self.response_func(
payload,
on_success=self.rm_link_on_success(),
on_error=None
)
)
return ctrl.disconnect(msg_id, mode, feature, topic, pub)
def test_link_pop_unknown(_link):
with pytest.raises(ValueError) as err:
assert Link.pop('id', 'feature', 'idf')
return 'unknown' in str(err)
def test_link_pop_key(_link):
assert Link.add('id', 'feature', 'idf', 'topic')
assert Link.select('id', 'feature', 'idf') == 'topic'
assert Link.pop('id', 'feature', 'idf') == 'topic'
assert Link.select('id', 'feature', 'idf') is None
