import copy, grpc, logging, pytest
from common.database.Factory import get_database, DatabaseEngineEnum
from slice.client.SliceClient import SliceClient
from slice.proto.slice_pb2 import TransportSlice
from slice.service.SliceService import SliceService
from slice.Config import GRPC_SERVICE_PORT, GRPC_MAX_WORKERS, GRPC_GRACE_PERIOD

port = 10000 + GRPC_SERVICE_PORT # avoid privileged ports

LOGGER = logging.getLogger(__name__)
LOGGER.setLevel(logging.DEBUG)

@pytest.fixture(scope='session')
def slice_database():
    _database = get_database(engine=DatabaseEngineEnum.INMEMORY)
    return _database

@pytest.fixture(scope='session')
def slice_service(slice_database):
    _service = SliceService(
        slice_database, port=port, max_workers=GRPC_MAX_WORKERS, grace_period=GRPC_GRACE_PERIOD)
    _service.start()
    yield _service
    _service.stop()

@pytest.fixture(scope='session')
def slice_client(slice_service):
    _client = SliceClient(address='127.0.0.1', port=port)
    yield _client
    _client.close()

def test_add_device_wrong_attributes(slice_client : SliceClient):
    # should fail with slice uuid is empty
    with pytest.raises(grpc._channel._InactiveRpcError) as e:
        slice_client.CreateUpdateSlice(TransportSlice())
    assert e.value.code() == grpc.StatusCode.INVALID_ARGUMENT
    assert e.value.details() == 'slice.slice_id.slice_id.uuid() string is empty.'