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# Copyright 2022-2023 ETSI TeraFlowSDN - TFS OSG (https://tfs.etsi.org/)
#
# 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.
import os
import pytest
import logging
from typing import Union
from common.proto.context_pb2 import Empty
from common.Constants import ServiceNameEnum
from common.proto.telemetry_frontend_pb2 import CollectorId, CollectorList
from common.proto.context_pb2_grpc import add_ContextServiceServicer_to_server
from context.client.ContextClient import ContextClient
from common.tools.service.GenericGrpcService import GenericGrpcService
from common.tests.MockServicerImpl_Context import MockServicerImpl_Context
from common.Settings import (
get_service_port_grpc, get_env_var_name, ENVVAR_SUFIX_SERVICE_HOST, ENVVAR_SUFIX_SERVICE_PORT_GRPC)
from telemetry.frontend.client.TelemetryFrontendClient import TelemetryFrontendClient
from telemetry.frontend.service.TelemetryFrontendService import TelemetryFrontendService
from telemetry.frontend.service.TelemetryFrontendServiceServicerImpl import TelemetryFrontendServiceServicerImpl
from telemetry.frontend.tests.Messages import ( create_collector_id, create_collector_request,
create_collector_filter, create_collector_request_a, create_collector_request_b)
from device.client.DeviceClient import DeviceClient
from device.service.DeviceService import DeviceService
from device.service.driver_api.DriverFactory import DriverFactory
from device.service.driver_api.DriverInstanceCache import DriverInstanceCache
from monitoring.service.NameMapping import NameMapping
os.environ['DEVICE_EMULATED_ONLY'] = 'TRUE'
from device.service.drivers import DRIVERS
###########################
# Tests Setup
###########################
LOCAL_HOST = '127.0.0.1'
MOCKSERVICE_PORT = 10000
TELEMETRY_FRONTEND_PORT = MOCKSERVICE_PORT + get_service_port_grpc(ServiceNameEnum.TELEMETRYFRONTEND)
os.environ[get_env_var_name(ServiceNameEnum.TELEMETRYFRONTEND, ENVVAR_SUFIX_SERVICE_HOST )] = str(LOCAL_HOST)
os.environ[get_env_var_name(ServiceNameEnum.TELEMETRYFRONTEND, ENVVAR_SUFIX_SERVICE_PORT_GRPC)] = str(TELEMETRY_FRONTEND_PORT)
LOGGER = logging.getLogger(__name__)
class MockContextService(GenericGrpcService):
# Mock Service implementing Context to simplify unitary tests of Monitoring
def __init__(self, bind_port: Union[str, int]) -> None:
super().__init__(bind_port, LOCAL_HOST, enable_health_servicer=False, cls_name='MockService')
# pylint: disable=attribute-defined-outside-init
def install_servicers(self):
self.context_servicer = MockServicerImpl_Context()
add_ContextServiceServicer_to_server(self.context_servicer, self.server)
@pytest.fixture(scope='session')
def context_service():
LOGGER.info('Initializing MockContextService...')
_service = MockContextService(MOCKSERVICE_PORT)
_service.start()
LOGGER.info('Yielding MockContextService...')
yield _service
LOGGER.info('Terminating MockContextService...')
_service.context_servicer.msg_broker.terminate()
_service.stop()
LOGGER.info('Terminated MockContextService...')
@pytest.fixture(scope='session')
def context_client(context_service : MockContextService): # pylint: disable=redefined-outer-name,unused-argument
LOGGER.info('Initializing ContextClient...')
_client = ContextClient()
LOGGER.info('Yielding ContextClient...')
yield _client
LOGGER.info('Closing ContextClient...')
_client.close()
LOGGER.info('Closed ContextClient...')
@pytest.fixture(scope='session')
def device_service(context_service : MockContextService): # pylint: disable=redefined-outer-name,unused-argument
LOGGER.info('Initializing DeviceService...')
driver_factory = DriverFactory(DRIVERS)
driver_instance_cache = DriverInstanceCache(driver_factory)
_service = DeviceService(driver_instance_cache)
_service.start()
# yield the server, when test finishes, execution will resume to stop it
LOGGER.info('Yielding DeviceService...')
yield _service
LOGGER.info('Terminating DeviceService...')
_service.stop()
LOGGER.info('Terminated DeviceService...')
@pytest.fixture(scope='session')
def device_client(device_service : DeviceService): # pylint: disable=redefined-outer-name,unused-argument
LOGGER.info('Initializing DeviceClient...')
_client = DeviceClient()
LOGGER.info('Yielding DeviceClient...')
yield _client
LOGGER.info('Closing DeviceClient...')
_client.close()
LOGGER.info('Closed DeviceClient...')
@pytest.fixture(scope='session')
def telemetryFrontend_service(
context_service : MockContextService,
device_service : DeviceService
):
LOGGER.info('Initializing TelemetryFrontendService...')
name_mapping = NameMapping()
_service = TelemetryFrontendService(name_mapping)
_service.start()
# yield the server, when test finishes, execution will resume to stop it
LOGGER.info('Yielding TelemetryFrontendService...')
yield _service
LOGGER.info('Terminating TelemetryFrontendService...')
_service.stop()
LOGGER.info('Terminated TelemetryFrontendService...')
@pytest.fixture(scope='session')
def telemetryFrontend_client(
telemetryFrontend_service : TelemetryFrontendService
):
LOGGER.info('Initializing TelemetryFrontendClient...')
_client = TelemetryFrontendClient()
# yield the server, when test finishes, execution will resume to stop it
LOGGER.info('Yielding TelemetryFrontendClient...')
yield _client
LOGGER.info('Closing TelemetryFrontendClient...')
_client.close()
LOGGER.info('Closed TelemetryFrontendClient...')
###########################
# Tests Implementation of Telemetry Frontend
###########################
def test_start_collector(telemetryFrontend_client):
LOGGER.warning('test_start_collector requesting')
response = telemetryFrontend_client.StartCollector(create_collector_request())
LOGGER.debug(str(response))
assert isinstance(response, CollectorId)
def test_run_kafka_listener():
LOGGER.warning('test_receive_kafka_request requesting')
name_mapping = NameMapping()
TelemetryFrontendServiceObj = TelemetryFrontendServiceServicerImpl(name_mapping)
response = TelemetryFrontendServiceObj.run_kafka_listener() # Method "run_kafka_listener" is not define in frontend.proto
LOGGER.debug(str(response))
assert isinstance(response, bool)
def test_stop_collector(telemetryFrontend_client):
LOGGER.warning('test_stop_collector requesting')
response = telemetryFrontend_client.StopCollector(create_collector_id("1"))
LOGGER.debug(str(response))
assert isinstance(response, Empty)
# def test_select_collectors(telemetryFrontend_client):
# LOGGER.warning('test_select_collector requesting')
# response = telemetryFrontend_client.SelectCollectors(create_collector_filter())
# LOGGER.debug(str(response))
# assert isinstance(response, CollectorList)