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83 lines
4.1 KiB
83 lines
4.1 KiB
# Licensed to the Apache Software Foundation (ASF) under one or more |
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# contributor license agreements. See the NOTICE file distributed with |
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# this work for additional information regarding copyright ownership. |
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# The ASF licenses this file to You under the Apache License, Version 2.0 |
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# (the "License"); you may not use this file except in compliance with |
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# the License. You may obtain a copy of the License at |
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# |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# |
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# Unless required by applicable law or agreed to in writing, software |
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# distributed under the License is distributed on an "AS IS" BASIS, |
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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# See the License for the specific language governing permissions and |
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# limitations under the License. |
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from ducktape.utils.util import wait_until |
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from kafkatest.tests.kafka_test import KafkaTest |
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from kafkatest.services.zookeeper import ZookeeperService |
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from kafkatest.services.kafka import KafkaService |
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from kafkatest.services.verifiable_producer import VerifiableProducer |
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from kafkatest.services.verifiable_consumer import VerifiableConsumer |
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from kafkatest.services.kafka import TopicPartition |
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class VerifiableConsumerTest(KafkaTest): |
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def __init__(self, test_context, num_consumers=1, num_producers=0, |
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group_id="test_group_id", session_timeout_sec=10, **kwargs): |
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super(VerifiableConsumerTest, self).__init__(test_context, **kwargs) |
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self.num_consumers = num_consumers |
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self.num_producers = num_producers |
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self.group_id = group_id |
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self.session_timeout_sec = session_timeout_sec |
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def _all_partitions(self, topic, num_partitions): |
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partitions = set() |
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for i in range(num_partitions): |
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partitions.add(TopicPartition(topic=topic, partition=i)) |
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return partitions |
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def _partitions(self, assignment): |
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partitions = [] |
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for parts in assignment.itervalues(): |
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partitions += parts |
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return partitions |
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def valid_assignment(self, topic, num_partitions, assignment): |
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all_partitions = self._all_partitions(topic, num_partitions) |
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partitions = self._partitions(assignment) |
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return len(partitions) == num_partitions and set(partitions) == all_partitions |
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def min_cluster_size(self): |
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"""Override this since we're adding services outside of the constructor""" |
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return super(VerifiableConsumerTest, self).min_cluster_size() + self.num_consumers + self.num_producers |
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def setup_consumer(self, topic, enable_autocommit=False, assignment_strategy="org.apache.kafka.clients.consumer.RangeAssignor"): |
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return VerifiableConsumer(self.test_context, self.num_consumers, self.kafka, |
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topic, self.group_id, session_timeout_sec=self.session_timeout_sec, |
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assignment_strategy=assignment_strategy, enable_autocommit=enable_autocommit) |
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def setup_producer(self, topic, max_messages=-1): |
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return VerifiableProducer(self.test_context, self.num_producers, self.kafka, topic, |
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max_messages=max_messages, throughput=500) |
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def await_produced_messages(self, producer, min_messages=1000, timeout_sec=10): |
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current_acked = producer.num_acked |
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wait_until(lambda: producer.num_acked >= current_acked + min_messages, timeout_sec=timeout_sec, |
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err_msg="Timeout awaiting messages to be produced and acked") |
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def await_consumed_messages(self, consumer, min_messages=1): |
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current_total = consumer.total_consumed() |
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wait_until(lambda: consumer.total_consumed() >= current_total + min_messages, |
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timeout_sec=self.session_timeout_sec*2, |
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err_msg="Timed out waiting for consumption") |
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def await_members(self, consumer, num_consumers): |
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# Wait until all members have joined the group |
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wait_until(lambda: len(consumer.joined_nodes()) == num_consumers, |
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timeout_sec=self.session_timeout_sec*2, |
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err_msg="Consumers failed to join in a reasonable amount of time") |
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def await_all_members(self, consumer): |
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self.await_members(consumer, self.num_consumers)
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