Github user praveend commented on a diff in the pull request:
https://github.com/apache/spark/pull/10294#discussion_r48714076
--- Diff:
external/kafka-v09/src/test/java/org/apache/spark/streaming/kafka/v09/JavaKafkaRDDSuite.java
---
@@ -0,0 +1,156 @@
+/*
+ * 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.spark.streaming.kafka.v09;
+
+import java.io.Serializable;
+import java.util.HashMap;
+
+import org.apache.kafka.clients.consumer.ConsumerConfig;
+import org.apache.kafka.clients.consumer.ConsumerRecord;
+import org.apache.spark.streaming.kafka.v09.Broker;
+import org.apache.spark.streaming.kafka.v09.KafkaTestUtils;
+import org.apache.spark.streaming.kafka.v09.KafkaUtils;
+import org.apache.spark.streaming.kafka.v09.OffsetRange;
+import scala.Tuple2;
+
+import kafka.common.TopicAndPartition;
+import kafka.message.MessageAndMetadata;
+import kafka.serializer.StringDecoder;
+import org.junit.After;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
+import org.apache.spark.SparkConf;
+import org.apache.spark.api.java.JavaRDD;
+import org.apache.spark.api.java.JavaSparkContext;
+import org.apache.spark.api.java.function.Function;
+
+public class JavaKafkaRDDSuite implements Serializable {
+ private transient JavaSparkContext sc = null;
+ private transient KafkaTestUtils kafkaTestUtils = null;
+
+ @Before
+ public void setUp() {
+ kafkaTestUtils = new KafkaTestUtils();
+ kafkaTestUtils.setup();
+ SparkConf sparkConf = new SparkConf()
+ .setMaster("local[4]").setAppName(this.getClass().getSimpleName());
+ sc = new JavaSparkContext(sparkConf);
+ }
+
+ @After
+ public void tearDown() {
+ if (sc != null) {
+ sc.stop();
+ sc = null;
+ }
+
+ if (kafkaTestUtils != null) {
+ kafkaTestUtils.teardown();
+ kafkaTestUtils = null;
+ }
+ }
+
+ @Test
+ public void testKafkaRDD() throws InterruptedException {
+ String topic1 = "new_topic1_testKafkaRDD";
+ String topic2 = "new_topic2_testKafkaRDD";
+
+ String[] topic1data = createTopicAndSendData(topic1);
+ String[] topic2data = createTopicAndSendData(topic2);
+
+ HashMap<String, String> kafkaParams = new HashMap<String, String>();
+ kafkaParams.put(ConsumerConfig.BOOTSTRAP_SERVERS_CONFIG,
kafkaTestUtils.brokerAddress());
+ kafkaParams.put(ConsumerConfig.KEY_DESERIALIZER_CLASS_CONFIG,
"org.apache.kafka.common.serialization.StringDeserializer");
+ kafkaParams.put(ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG,
"org.apache.kafka.common.serialization.StringDeserializer");
+ kafkaParams.put("spark.kafka.poll.time", "1000");
+
+ OffsetRange[] offsetRanges = {
+ OffsetRange.create(topic1, 0, 0, 1),
+ OffsetRange.create(topic2, 0, 0, 1)
+ };
+
+ HashMap<TopicAndPartition, Broker> emptyLeaders = new
HashMap<TopicAndPartition, Broker>();
--- End diff --
We could probably remove this section of defining broker and leaders as we
no longer expose the concept of brokers and leaders to end users
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