Github user srdo commented on a diff in the pull request: https://github.com/apache/storm/pull/2465#discussion_r158551645 --- Diff: external/storm-kafka-client/src/test/java/org/apache/storm/kafka/spout/KafkaSpoutAbstractTest.java --- @@ -0,0 +1,160 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you 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. + */ + +package org.apache.storm.kafka.spout; + +import org.apache.kafka.clients.consumer.KafkaConsumer; +import org.apache.kafka.clients.consumer.OffsetAndMetadata; +import org.apache.kafka.common.TopicPartition; +import org.apache.storm.kafka.KafkaUnitRule; +import org.apache.storm.kafka.spout.builders.SingleTopicKafkaSpoutConfiguration; +import org.apache.storm.kafka.spout.internal.KafkaConsumerFactory; +import org.apache.storm.kafka.spout.internal.KafkaConsumerFactoryDefault; +import org.apache.storm.spout.SpoutOutputCollector; +import org.apache.storm.task.TopologyContext; +import org.apache.storm.tuple.Values; +import org.apache.storm.utils.Time; +import org.junit.Before; +import org.junit.Rule; +import org.mockito.ArgumentCaptor; +import org.mockito.Captor; +import org.mockito.MockitoAnnotations; + +import java.util.HashMap; +import java.util.Map; + +import static org.hamcrest.CoreMatchers.is; +import static org.hamcrest.MatcherAssert.assertThat; +import static org.mockito.Matchers.eq; +import static org.mockito.Mockito.mock; +import static org.mockito.Mockito.reset; +import static org.mockito.Mockito.spy; +import static org.mockito.Mockito.times; +import static org.mockito.Mockito.verify; + +public abstract class KafkaSpoutAbstractTest { + @Rule + public KafkaUnitRule kafkaUnitRule = new KafkaUnitRule(); + + @Captor + ArgumentCaptor<Map<TopicPartition, OffsetAndMetadata>> commitCapture; + + final TopologyContext topologyContext = mock(TopologyContext.class); + final Map<String, Object> conf = new HashMap<>(); + final SpoutOutputCollector collector = mock(SpoutOutputCollector.class); + final long commitOffsetPeriodMs = 2_000; --- End diff -- A few of these parameters (commitOffsetPeriodMs, maxRetries, maxPollRecords) belong in the subclasses, since they're set as part of the KafkaSpoutConfig.
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