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#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Copyright 2022 Confluent Inc.
#
# 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
# limit
import pytest
from tests.common import TestUtils
def test_consumer_memberid(kafka_cluster):
"""
Test consumer memberid.
"""
consumer_conf = {'group.id': 'test'}
topic = "testmemberid"
kafka_cluster.create_topic_and_wait_propogation(topic)
consumer = kafka_cluster.consumer(consumer_conf)
assert consumer is not None
before_memberid = consumer.memberid()
# With implementation of KIP-1082, member id is generated on the client
# side for ConsumerGroupHeartbeat used in the `consumer` protocol
# introduced in KIP-848
if TestUtils.use_group_protocol_consumer():
assert before_memberid is not None
assert isinstance(before_memberid, str)
assert len(before_memberid) > 0
else:
assert before_memberid is None
kafka_cluster.seed_topic(topic, value_source=[b'memberid'])
consumer.subscribe([topic])
msg = consumer.poll(10)
assert msg is not None
assert msg.value() == b'memberid'
after_memberid = consumer.memberid()
assert isinstance(after_memberid, str)
assert len(after_memberid) > 0
if TestUtils.use_group_protocol_consumer():
assert before_memberid == after_memberid
consumer.close()
with pytest.raises(RuntimeError) as error_info:
consumer.memberid()
assert error_info.value.args[0] == "Consumer closed"
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