abstractdog commented on code in PR #4540: URL: https://github.com/apache/hive/pull/4540#discussion_r1478141059
########## kafka-handler/src/test/org/apache/hadoop/hive/kafka/KafkaStorageHandlerInfoTest.java: ########## @@ -0,0 +1,134 @@ +/* + * 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.hadoop.hive.kafka; + +import org.apache.hadoop.conf.Configuration; +import org.apache.kafka.clients.consumer.ConsumerConfig; +import org.apache.kafka.clients.consumer.ConsumerRecord; +import org.apache.kafka.clients.consumer.KafkaConsumer; +import org.apache.kafka.clients.producer.KafkaProducer; +import org.apache.kafka.clients.producer.ProducerConfig; +import org.apache.kafka.clients.producer.ProducerRecord; +import org.apache.kafka.common.serialization.ByteArrayDeserializer; +import org.junit.After; +import org.junit.AfterClass; +import org.junit.Assert; +import org.junit.Before; +import org.junit.BeforeClass; +import org.junit.Test; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.nio.charset.Charset; +import java.util.List; +import java.util.Properties; +import java.util.stream.Collectors; +import java.util.stream.IntStream; + +public class KafkaStorageHandlerInfoTest { + private static final Logger LOG = LoggerFactory.getLogger(KafkaStorageHandlerInfoTest.class); + + private static final int RECORD_NUMBER = 17384; + private static final String TOPIC = "TEST1"; + private static final byte[] KEY_BYTES = "KEY".getBytes(Charset.forName("UTF-8")); + private static final KafkaBrokerResource KAFKA_BROKER_RESOURCE = new KafkaBrokerResource(); + + private static List<ConsumerRecord<byte[], byte[]>> getRecords(String topic) { + return IntStream.range(0, RECORD_NUMBER).mapToObj(number -> { + final byte[] value = ("VALUE-" + Integer.toString(number)).getBytes(Charset.forName("UTF-8")); + return new ConsumerRecord<>(topic, 0, (long) number, 0L, null, 0L, 0, 0, KEY_BYTES, value); + }).collect(Collectors.toList()); + } + private final Configuration conf = new Configuration(); + private KafkaConsumer<byte[], byte[]> consumer; + + private Properties consumerProps; + + private static final String RESULT = "Partition(topic = TEST1, partition = 0, leader = 0, replicas = [0], isr = [0], offlineReplicas = [])" + + " [start offset = [0], end offset = [" + RECORD_NUMBER + "]]"; + + @BeforeClass + public static void setupCluster() throws Throwable { + KAFKA_BROKER_RESOURCE.before(); + sendData(); + } + + @AfterClass + public static void tearDownCluster() { + KAFKA_BROKER_RESOURCE.deleteTopic(TOPIC); + KAFKA_BROKER_RESOURCE.after(); + } + + @Before + public void setUp() { + LOG.info("setting up Config"); + setupConsumer(); + } + + @After + public void tearDown() { + consumer.close(); + LOG.info("tearDown"); + } + + private void setupConsumer() { + this.conf.set(KafkaTableProperties.HIVE_KAFKA_BOOTSTRAP_SERVERS.getName(), KafkaBrokerResource.BROKER_IP_PORT); + consumerProps = new Properties(); + consumerProps.setProperty(ConsumerConfig.ENABLE_AUTO_COMMIT_CONFIG, "false"); + consumerProps.setProperty(ConsumerConfig.AUTO_OFFSET_RESET_CONFIG, "none"); + consumerProps.setProperty(ConsumerConfig.BOOTSTRAP_SERVERS_CONFIG, KafkaBrokerResource.BROKER_IP_PORT); + consumerProps.setProperty(ConsumerConfig.KEY_DESERIALIZER_CLASS_CONFIG, ByteArrayDeserializer.class.getName()); + consumerProps.setProperty(ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG, ByteArrayDeserializer.class.getName()); + //The configuration values are not default and are given randomly , these can be changed and tested if required + consumerProps.setProperty(ConsumerConfig.REQUEST_TIMEOUT_MS_CONFIG, "3002"); + consumerProps.setProperty(ConsumerConfig.FETCH_MAX_WAIT_MS_CONFIG, "3001"); + consumerProps.setProperty(ConsumerConfig.SESSION_TIMEOUT_MS_CONFIG, "3001"); + consumerProps.setProperty(ConsumerConfig.METADATA_MAX_AGE_CONFIG, "100"); + this.consumer = new KafkaConsumer<>(consumerProps); + } + + @Test + public void testFormatAsText() { + KafkaStorageHandlerInfo storageHandlerInfo = new KafkaStorageHandlerInfo(TOPIC, consumerProps); + Assert.assertEquals(String.class, storageHandlerInfo.formatAsText().getClass()); + String text = storageHandlerInfo.formatAsText(); + Assert.assertEquals(RESULT, text); + } + + private static void sendData() { + List<ConsumerRecord<byte[], byte[]>> RECORDS = getRecords(TOPIC); + LOG.info("Setting up kafka producer"); Review Comment: what about moving this log message after creating producerProps, and adding it too? -- This is an automated message from the Apache Git Service. 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