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# Copyright 2021-2023 H2020 TeraFlow (https://www.teraflow-h2020.eu/)
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
Connection, ConnectionEvent, ConnectionId, Context, ContextEvent, ContextId, Device, DeviceEvent, DeviceId, EndPointId, EventTypeEnum, Service, ServiceEvent, ServiceId, Topology, TopologyEvent, TopologyId)
from context.client.ContextClient import ContextClient
from context.service.database.uuids.Connection import connection_get_uuid
from context.service.database.uuids.EndPoint import endpoint_get_uuid
from .Objects import (
CONNECTION_R1_R3, CONNECTION_R1_R3_ID, CONNECTION_R1_R3_NAME, CONTEXT, CONTEXT_ID, DEVICE_R1, DEVICE_R1_ID,
DEVICE_R2, DEVICE_R2_ID, DEVICE_R3, DEVICE_R3_ID, SERVICE_R1_R2, SERVICE_R1_R2_ID, SERVICE_R1_R3, SERVICE_R1_R3_ID,
SERVICE_R2_R3, SERVICE_R2_R3_ID, TOPOLOGY, TOPOLOGY_ID)
@pytest.mark.depends(on=['context/tests/test_service.py::test_service', 'context/tests/test_slice.py::test_slice'])
def test_connection(context_client : ContextClient) -> None:
# ----- Initialize the EventsCollector -----------------------------------------------------------------------------
events_collector = EventsCollector(
context_client, log_events_received=True,
activate_context_collector = True, activate_topology_collector = True, activate_device_collector = True,
activate_link_collector = True, activate_service_collector = True, activate_slice_collector = True,
activate_connection_collector = True)
events_collector.start()
time.sleep(3)
# ----- Prepare dependencies for the test and capture related events -----------------------------------------------
response = context_client.SetContext(Context(**CONTEXT))
context_uuid = response.context_uuid.uuid
response = context_client.SetTopology(Topology(**TOPOLOGY))
assert response.context_id.context_uuid.uuid == context_uuid
topology_uuid = response.topology_uuid.uuid
response = context_client.SetDevice(Device(**DEVICE_R1))
device_r1_uuid = response.device_uuid.uuid
response = context_client.SetDevice(Device(**DEVICE_R2))
response = context_client.SetDevice(Device(**DEVICE_R3))
response = context_client.SetService(Service(**SERVICE_R1_R2))
assert response.context_id.context_uuid.uuid == context_uuid
response = context_client.SetService(Service(**SERVICE_R2_R3))
assert response.context_id.context_uuid.uuid == context_uuid
response = context_client.SetService(Service(**SERVICE_R1_R3))
assert response.context_id.context_uuid.uuid == context_uuid
service_r1_r3_uuid = response.service_uuid.uuid
events = events_collector.get_events(block=True, count=8, timeout=GET_EVENTS_TIMEOUT)
assert isinstance(events[0], ContextEvent)
assert events[0].event.event_type == EventTypeEnum.EVENTTYPE_CREATE
assert events[0].context_id.context_uuid.uuid == context_uuid
assert isinstance(events[1], TopologyEvent)
assert events[1].event.event_type == EventTypeEnum.EVENTTYPE_CREATE
assert events[1].topology_id.context_id.context_uuid.uuid == context_uuid
assert events[1].topology_id.topology_uuid.uuid == topology_uuid
assert isinstance(events[2], DeviceEvent)
assert events[2].event.event_type == EventTypeEnum.EVENTTYPE_CREATE
assert events[2].device_id.device_uuid.uuid == device_r1_uuid
assert isinstance(events[3], DeviceEvent)
assert events[3].event.event_type == EventTypeEnum.EVENTTYPE_CREATE
assert events[3].device_id.device_uuid.uuid == device_r2_uuid
assert isinstance(events[4], DeviceEvent)
assert events[4].event.event_type == EventTypeEnum.EVENTTYPE_CREATE
assert events[4].device_id.device_uuid.uuid == device_r3_uuid
assert isinstance(events[5], ServiceEvent)
assert events[5].event.event_type == EventTypeEnum.EVENTTYPE_CREATE
assert events[5].service_id.context_id.context_uuid.uuid == context_uuid
assert events[5].service_id.service_uuid.uuid == service_r1_r2_uuid
assert isinstance(events[6], ServiceEvent)
assert events[6].event.event_type == EventTypeEnum.EVENTTYPE_CREATE
assert events[6].service_id.context_id.context_uuid.uuid == context_uuid
assert events[6].service_id.service_uuid.uuid == service_r2_r3_uuid
assert isinstance(events[7], ServiceEvent)
assert events[7].event.event_type == EventTypeEnum.EVENTTYPE_CREATE
assert events[7].service_id.context_id.context_uuid.uuid == context_uuid
assert events[7].service_id.service_uuid.uuid == service_r1_r3_uuid
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# ----- Get when the object does not exist -------------------------------------------------------------------------
connection_id = ConnectionId(**CONNECTION_R1_R3_ID)
connection_uuid = connection_get_uuid(connection_id, allow_random=False)
with pytest.raises(grpc.RpcError) as e:
context_client.GetConnection(connection_id)
assert e.value.code() == grpc.StatusCode.NOT_FOUND
MSG = 'Connection({:s}) not found; connection_uuid generated was: {:s}'
assert e.value.details() == MSG.format(CONNECTION_R1_R3_NAME, connection_uuid)
# ----- List when the object does not exist ------------------------------------------------------------------------
response = context_client.ListConnectionIds(ServiceId(**SERVICE_R1_R3_ID))
assert len(response.connection_ids) == 0
response = context_client.ListConnections(ServiceId(**SERVICE_R1_R3_ID))
assert len(response.connections) == 0
# ----- Create the object ------------------------------------------------------------------------------------------
with pytest.raises(grpc.RpcError) as e:
WRONG_CONNECTION = copy.deepcopy(CONNECTION_R1_R3)
WRONG_CONNECTION['path_hops_endpoint_ids'][0]\
['topology_id']['context_id']['context_uuid']['uuid'] = 'wrong-context-uuid'
context_client.SetConnection(Connection(**WRONG_CONNECTION))
assert e.value.code() == grpc.StatusCode.NOT_FOUND
wrong_endpoint_id = EndPointId(**WRONG_CONNECTION['path_hops_endpoint_ids'][0])
_,_,wrong_endpoint_uuid = endpoint_get_uuid(wrong_endpoint_id, allow_random=False)
msg = 'endpoint({:s}) not found; while inserting in table "connection_endpoint"'.format(wrong_endpoint_uuid)
assert e.value.details() == msg
# TODO: should we check that all endpoints belong to same topology?
# TODO: should we check that endpoints form links over the topology?
response = context_client.SetConnection(Connection(**CONNECTION_R1_R3))
connection_r1_r3_uuid = response.connection_uuid.uuid
# ----- Check create event -----------------------------------------------------------------------------------------
event = events_collector.get_event(block=True, timeout=GET_EVENTS_TIMEOUT)
assert isinstance(event, ConnectionEvent)
assert event.event.event_type == EventTypeEnum.EVENTTYPE_CREATE
assert event.connection_id.connection_uuid.uuid == connection_r1_r3_uuid
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# ----- Get when the object exists ---------------------------------------------------------------------------------
response = context_client.GetConnection(ConnectionId(**CONNECTION_R1_R3_ID))
assert response.connection_id.connection_uuid.uuid == connection_r1_r3_uuid
assert response.service_id.context_id.context_uuid.uuid == context_uuid
assert response.service_id.service_uuid.uuid == service_r1_r3_uuid
assert len(response.path_hops_endpoint_ids) == 6
assert len(response.sub_service_ids) == 2
# ----- List when the object exists --------------------------------------------------------------------------------
response = context_client.ListConnectionIds(ServiceId(**SERVICE_R1_R3_ID))
assert len(response.connection_ids) == 1
assert response.connection_ids[0].connection_uuid.uuid == connection_r1_r3_uuid
response = context_client.ListConnections(ServiceId(**SERVICE_R1_R3_ID))
assert len(response.connections) == 1
assert response.connections[0].connection_id.connection_uuid.uuid == connection_r1_r3_uuid
assert len(response.connections[0].path_hops_endpoint_ids) == 6
assert len(response.connections[0].sub_service_ids) == 2
# ----- Update the object ------------------------------------------------------------------------------------------
# TODO: change something... path? subservices?
response = context_client.SetConnection(Connection(**CONNECTION_R1_R3))
assert response.connection_uuid.uuid == connection_r1_r3_uuid
# ----- Check update event -----------------------------------------------------------------------------------------
event = events_collector.get_event(block=True, timeout=GET_EVENTS_TIMEOUT)
assert isinstance(event, ConnectionEvent)
assert event.event.event_type == EventTypeEnum.EVENTTYPE_UPDATE
assert event.connection_id.connection_uuid.uuid == connection_r1_r3_uuid
# ----- Get when the object is modified ----------------------------------------------------------------------------
response = context_client.GetConnection(ConnectionId(**CONNECTION_R1_R3_ID))
assert response.connection_id.connection_uuid.uuid == connection_r1_r3_uuid
assert response.service_id.context_id.context_uuid.uuid == context_uuid
assert response.service_id.service_uuid.uuid == service_r1_r3_uuid
assert len(response.path_hops_endpoint_ids) == 6
assert len(response.sub_service_ids) == 2
# ----- List when the object is modified ---------------------------------------------------------------------------
response = context_client.ListConnectionIds(ServiceId(**SERVICE_R1_R3_ID))
assert len(response.connection_ids) == 1
assert response.connection_ids[0].connection_uuid.uuid == connection_r1_r3_uuid
response = context_client.ListConnections(ServiceId(**SERVICE_R1_R3_ID))
assert len(response.connections) == 1
assert response.connections[0].connection_id.connection_uuid.uuid == connection_r1_r3_uuid
assert len(response.connections[0].path_hops_endpoint_ids) == 6
assert len(response.connections[0].sub_service_ids) == 2
# ----- Remove the object ------------------------------------------------------------------------------------------
context_client.RemoveConnection(ConnectionId(**CONNECTION_R1_R3_ID))
# ----- Check remove event -----------------------------------------------------------------------------------------
event = events_collector.get_event(block=True, timeout=GET_EVENTS_TIMEOUT)
assert isinstance(event, ConnectionEvent)
assert event.event.event_type == EventTypeEnum.EVENTTYPE_REMOVE
assert event.connection_id.connection_uuid.uuid == connection_r1_r3_uuid
# ----- List after deleting the object -----------------------------------------------------------------------------
response = context_client.ListConnectionIds(ServiceId(**SERVICE_R1_R3_ID))
assert len(response.connection_ids) == 0
response = context_client.ListConnections(ServiceId(**SERVICE_R1_R3_ID))
assert len(response.connections) == 0
# ----- Clean dependencies used in the test and capture related events ---------------------------------------------
context_client.RemoveService(ServiceId(**SERVICE_R1_R3_ID))
context_client.RemoveService(ServiceId(**SERVICE_R2_R3_ID))
context_client.RemoveService(ServiceId(**SERVICE_R1_R2_ID))
context_client.RemoveDevice(DeviceId(**DEVICE_R1_ID))
context_client.RemoveDevice(DeviceId(**DEVICE_R2_ID))
context_client.RemoveDevice(DeviceId(**DEVICE_R3_ID))
context_client.RemoveTopology(TopologyId(**TOPOLOGY_ID))
context_client.RemoveContext(ContextId(**CONTEXT_ID))
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events = events_collector.get_events(block=True, count=8, timeout=GET_EVENTS_TIMEOUT)
assert isinstance(events[0], ServiceEvent)
assert events[0].event.event_type == EventTypeEnum.EVENTTYPE_REMOVE
assert events[0].service_id.context_id.context_uuid.uuid == context_uuid
assert events[0].service_id.service_uuid.uuid == service_r1_r3_uuid
assert isinstance(events[1], ServiceEvent)
assert events[1].event.event_type == EventTypeEnum.EVENTTYPE_REMOVE
assert events[1].service_id.context_id.context_uuid.uuid == context_uuid
assert events[1].service_id.service_uuid.uuid == service_r2_r3_uuid
assert isinstance(events[2], ServiceEvent)
assert events[2].event.event_type == EventTypeEnum.EVENTTYPE_REMOVE
assert events[2].service_id.context_id.context_uuid.uuid == context_uuid
assert events[2].service_id.service_uuid.uuid == service_r1_r2_uuid
assert isinstance(events[3], DeviceEvent)
assert events[3].event.event_type == EventTypeEnum.EVENTTYPE_REMOVE
assert events[3].device_id.device_uuid.uuid == device_r1_uuid
assert isinstance(events[4], DeviceEvent)
assert events[4].event.event_type == EventTypeEnum.EVENTTYPE_REMOVE
assert events[4].device_id.device_uuid.uuid == device_r2_uuid
assert isinstance(events[5], DeviceEvent)
assert events[5].event.event_type == EventTypeEnum.EVENTTYPE_REMOVE
assert events[5].device_id.device_uuid.uuid == device_r3_uuid
assert isinstance(events[6], TopologyEvent)
assert events[6].event.event_type == EventTypeEnum.EVENTTYPE_REMOVE
assert events[6].topology_id.context_id.context_uuid.uuid == context_uuid
assert events[6].topology_id.topology_uuid.uuid == topology_uuid
assert isinstance(events[7], ContextEvent)
assert events[7].event.event_type == EventTypeEnum.EVENTTYPE_REMOVE
assert events[7].context_id.context_uuid.uuid == context_uuid
# ----- Stop the EventsCollector -----------------------------------------------------------------------------------