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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.
import random, logging, pytest, numpy
from dbscanserving.Config import GRPC_SERVICE_PORT, GRPC_MAX_WORKERS, GRPC_GRACE_PERIOD
from dbscanserving.client.DbscanServingClient import DbscanServingClient
from dbscanserving.service.DbscanService import DbscanService
from common.proto.dbscanserving_pb2 import DetectionRequest, DetectionResponse, Sample
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port = 10000 + GRPC_SERVICE_PORT # avoid privileged ports
LOGGER = logging.getLogger(__name__)
LOGGER.setLevel(logging.DEBUG)
@pytest.fixture(scope='session')
def dbscanserving_service():
_service = DbscanService(
port=port, max_workers=GRPC_MAX_WORKERS, grace_period=GRPC_GRACE_PERIOD)
_service.start()
yield _service
_service.stop()
@pytest.fixture(scope='session')
def dbscanserving_client():
_client = DbscanServingClient(address='127.0.0.1', port=port)
yield _client
_client.close()
def test_detection_correct(dbscanserving_service, dbscanserving_client: DbscanServingClient):
request: DetectionRequest = DetectionRequest()
request.num_samples = 310
request.num_features = 100
request.eps = 100.5
request.min_samples = 50
for _ in range(200):
grpc_sample = Sample()
for __ in range(100):
grpc_sample.features.append(random.uniform(0., 10.))
request.samples.append(grpc_sample)
for _ in range(100):
grpc_sample = Sample()
for __ in range(100):
grpc_sample.features.append(random.uniform(50., 60.))
request.samples.append(grpc_sample)
for _ in range(10):
grpc_sample = Sample()
for __ in range(100):
grpc_sample.features.append(random.uniform(5000., 6000.))
request.samples.append(grpc_sample)
response: DetectionResponse = dbscanserving_client.Detect(request)
assert len(response.cluster_indices) == 310
def test_detection_incorrect(dbscanserving_service, dbscanserving_client: DbscanServingClient):
request: DetectionRequest = DetectionRequest()
request.num_samples = 210
request.num_features = 100
request.eps = 100.5
request.min_samples = 50
for _ in range(200):
grpc_sample = Sample()
for __ in range(100):
grpc_sample.features.append(random.uniform(0., 10.))
request.samples.append(grpc_sample)
for _ in range(100):
grpc_sample = Sample()
for __ in range(100):
grpc_sample.features.append(random.uniform(50., 60.))
request.samples.append(grpc_sample)
for _ in range(10):
grpc_sample = Sample()
for __ in range(100):
grpc_sample.features.append(random.uniform(5000., 6000.))
request.samples.append(grpc_sample)
with pytest.raises(Exception):
response: DetectionResponse = dbscanserving_client.Detect(request)
def test_detection_clusters(dbscanserving_service, dbscanserving_client: DbscanServingClient):
request: DetectionRequest = DetectionRequest()
request.num_samples = 310
request.num_features = 100
request.eps = 100.5
request.min_samples = 50
for _ in range(200):
grpc_sample = Sample()
for __ in range(100):
grpc_sample.features.append(random.uniform(0., 10.))
request.samples.append(grpc_sample)
for _ in range(100):
grpc_sample = Sample()
for __ in range(100):
grpc_sample.features.append(random.uniform(50., 60.))
request.samples.append(grpc_sample)
for _ in range(10):
grpc_sample = Sample()
for __ in range(100):
grpc_sample.features.append(random.uniform(5000., 6000.))
request.samples.append(grpc_sample)
response: DetectionResponse = dbscanserving_client.Detect(request)
for v in response.cluster_indices[:200]:
assert v == 0
for v in response.cluster_indices[200:300]:
assert v == 1
for v in response.cluster_indices[300:]:
assert v == -1