Update the ReliableKafkaReceiver unit test

Author: jerryshao

external/kafka/src/test/scala/org/apache/spark/streaming/kafka/ReliableKafkaStreamSuite.scala

@@ -17,6 +17,8 @@
 
 package org.apache.spark.streaming.kafka
 
+import java.io.File
+
 import scala.collection.mutable
 
 import kafka.serializer.StringDecoder
@@ -25,6 +27,7 @@ import kafka.utils.{ZkUtils, ZKGroupTopicDirs}
 import org.apache.spark.SparkConf
 import org.apache.spark.storage.StorageLevel
 import org.apache.spark.streaming.StreamingContext
+import org.apache.spark.util.Utils
 
 class ReliableKafkaStreamSuite extends KafkaStreamSuite {
   import KafkaTestUtils._
@@ -35,6 +38,11 @@ class ReliableKafkaStreamSuite extends KafkaStreamSuite {
       .setAppName(framework)
       .set("spark.streaming.receiver.writeAheadLog.enable", "true")
     val ssc = new StreamingContext(sparkConf, batchDuration)
+    val checkpointDir = s"${System.getProperty("java.io.tmpdir", "/tmp")}/" +
+      s"test-checkpoint${random.nextInt(10000)}"
+    Utils.registerShutdownDeleteDir(new File(checkpointDir))
+    ssc.checkpoint(checkpointDir)
+
     val topic = "test"
     val sent = Map("a" -> 1, "b" -> 1, "c" -> 1)
     createTopic(topic)
@@ -73,6 +81,11 @@ class ReliableKafkaStreamSuite extends KafkaStreamSuite {
       .setAppName(framework)
       .set("spark.streaming.receiver.writeAheadLog.enable", "true")
     val ssc = new StreamingContext(sparkConf, batchDuration)
+    val checkpointDir = s"${System.getProperty("java.io.tmpdir", "/tmp")}/" +
+      s"test-checkpoint${random.nextInt(10000)}"
+    Utils.registerShutdownDeleteDir(new File(checkpointDir))
+    ssc.checkpoint(checkpointDir)
+
     val topic = "test"
     val sent = Map("a" -> 10, "b" -> 10, "c" -> 10)
     createTopic(topic)
@@ -105,6 +118,11 @@ class ReliableKafkaStreamSuite extends KafkaStreamSuite {
       .setAppName(framework)
       .set("spark.streaming.receiver.writeAheadLog.enable", "true")
     val ssc = new StreamingContext(sparkConf, batchDuration)
+    val checkpointDir = s"${System.getProperty("java.io.tmpdir", "/tmp")}/" +
+      s"test-checkpoint${random.nextInt(10000)}"
+    Utils.registerShutdownDeleteDir(new File(checkpointDir))
+    ssc.checkpoint(checkpointDir)
+
     val topics = Map("topic1" -> 1, "topic2" -> 1, "topic3" -> 1)
     val sent = Map("a" -> 10, "b" -> 10, "c" -> 10)
     topics.foreach { case (t, _) =>
@@ -133,61 +151,6 @@ class ReliableKafkaStreamSuite extends KafkaStreamSuite {
     topics.foreach { case (t, _) => assert(getCommitOffset(groupId, t, 0) === 29L) }
   }
 
-  test("Verify offset commit when exception is met") {
-    val sparkConf = new SparkConf()
-      .setMaster(master)
-      .setAppName(framework)
-      .set("spark.streaming.receiver.writeAheadLog.enable", "true")
-    var ssc = new StreamingContext(
-      sparkConf.clone.set("spark.streaming.blockInterval", "10000"),
-      batchDuration)
-    val topics = Map("topic1" -> 1, "topic2" -> 1, "topic3" -> 1)
-    val sent = Map("a" -> 10, "b" -> 10, "c" -> 10)
-    topics.foreach { case (t, _) =>
-      createTopic(t)
-      produceAndSendMessage(t, sent)
-    }
-
-    val groupId = s"test-consumer-${random.nextInt(10000)}"
-
-    val kafkaParams = Map("zookeeper.connect" -> s"$zkHost:$zkPort",
-      "group.id" -> groupId,
-      "auto.offset.reset" -> "smallest")
-
-    KafkaUtils.createStream[String, String, StringDecoder, StringDecoder](
-        ssc,
-        kafkaParams,
-        topics,
-        StorageLevel.MEMORY_ONLY)
-      .foreachRDD(_ => throw new Exception)
-    try {
-      ssc.start()
-      ssc.awaitTermination(1000)
-    } catch {
-      case e: Exception =>
-        if (ssc != null) {
-          ssc.stop()
-          ssc = null
-        }
-    }
-    // Failed before putting to BM, so offset is not updated.
-    topics.foreach { case (t, _) => assert(getCommitOffset(groupId, t, 0) === 0L) }
-
-    // Restart to see if data is consumed from last checkpoint.
-    ssc = new StreamingContext(sparkConf, batchDuration)
-    KafkaUtils.createStream[String, String, StringDecoder, StringDecoder](
-        ssc,
-        kafkaParams,
-        topics,
-        StorageLevel.MEMORY_ONLY)
-      .foreachRDD(_ => Unit)
-    ssc.start()
-    ssc.awaitTermination(3000)
-    ssc.stop()
-
-    topics.foreach { case (t, _) => assert(getCommitOffset(groupId, t, 0) === 29L) }
-  }
-
   private def getCommitOffset(groupId: String, topic: String, partition: Int): Long = {
     assert(zkClient != null, "Zookeeper client is not initialized")