monasca-common/monasca_common/tests/test_confluent_kafka.py
Witold Bedyk a8b68cbc19 Add wrapper for Confluent Kafka async Producer
Story: 2003705
Task: 27630
Change-Id: I5981e40ecf62cd123ff1969109a8b4b0b9ec204d
2018-11-28 09:56:34 +01:00

95 lines
3.7 KiB
Python

# 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 mock
from monasca_common.confluent_kafka import producer
import confluent_kafka
from oslotest import base
FAKE_KAFKA_TOPIC = 'topic'
FAKE_KAFKA_URL = 'FAKE_KAFKA_URL'
class TestConfluentKafkaProducer(base.BaseTestCase):
@mock.patch('confluent_kafka.Producer')
def setUp(self, mock_confluent_producer):
super(TestConfluentKafkaProducer, self).setUp()
self.mock_confluent_producer = mock_confluent_producer
self.prod = producer.KafkaProducer(FAKE_KAFKA_TOPIC)
def tearDown(self):
super(TestConfluentKafkaProducer, self).tearDown()
def test_kafka_producer_init(self):
expected_config = {'bootstrap.servers': FAKE_KAFKA_TOPIC}
self.mock_confluent_producer.assert_called_once_with(expected_config)
self.assertEqual(self.mock_confluent_producer.return_value,
self.prod._producer)
def test_kafka_producer_publish(self):
topic = FAKE_KAFKA_TOPIC
messages = [u'message']
expected_message = b'message'
self.prod.publish(topic, messages)
produce_callback = producer.KafkaProducer.delivery_report
self.prod._producer.produce.assert_called_once_with(topic,
expected_message,
None,
callback=produce_callback)
self.prod._producer.flush.assert_called_once()
def test_kafka_producer_publish_one_message_with_key(self):
topic = FAKE_KAFKA_TOPIC
one_message = u'message'
key = u'1000'
expected_message = b'message'
self.prod.publish(topic, one_message, key)
produce_callback = producer.KafkaProducer.delivery_report
self.prod._producer.produce.assert_called_once_with(topic,
expected_message,
key,
callback=produce_callback)
self.prod._producer.flush.assert_called_once()
def test_kafka_producer_publish_exception(self):
topic = FAKE_KAFKA_TOPIC
messages = [u'message']
self.prod._producer.produce.side_effect = \
confluent_kafka.KafkaException
self.assertRaises(confluent_kafka.KafkaException, self.prod.publish,
topic, messages)
@mock.patch('monasca_common.confluent_kafka.producer.log')
@mock.patch('confluent_kafka.Message')
def test_delivery_report_exception(self, mock_message, mock_logger):
self.assertRaises(confluent_kafka.KafkaException,
self.prod.delivery_report,
confluent_kafka.KafkaError,
confluent_kafka.Message)
mock_logger.exception.assert_called_once()
@mock.patch('monasca_common.confluent_kafka.producer.log')
@mock.patch('confluent_kafka.Message')
def test_delivery_report(self, mock_message, mock_logger):
self.prod.delivery_report(None, confluent_kafka.Message)
mock_logger.debug.assert_called_once()