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/*
* 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.kinesis
import java.nio.ByteBuffer
import java.nio.charset.StandardCharsets
import java.util.Arrays
import com.amazonaws.services.kinesis.clientlibrary.exceptions._
import com.amazonaws.services.kinesis.clientlibrary.interfaces.IRecordProcessorCheckpointer
import com.amazonaws.services.kinesis.clientlibrary.types.ShutdownReason
import com.amazonaws.services.kinesis.model.Record
import org.mockito.Matchers._
import org.mockito.Matchers.{eq => meq}
import org.mockito.Mockito._
import org.scalatest.{BeforeAndAfter, Matchers}
import org.scalatest.mock.MockitoSugar
import org.apache.spark.streaming.{Duration, TestSuiteBase}
import org.apache.spark.util.Utils
/**
* Suite of Kinesis streaming receiver tests focusing mostly on the KinesisRecordProcessor
*/
class KinesisReceiverSuite extends TestSuiteBase with Matchers with BeforeAndAfter
with MockitoSugar {
val app = "TestKinesisReceiver"
val stream = "mySparkStream"
val endpoint = "endpoint-url"
val workerId = "dummyWorkerId"
val shardId = "dummyShardId"
val seqNum = "dummySeqNum"
val checkpointInterval = Duration(10)
val someSeqNum = Some(seqNum)
val record1 = new Record()
record1.setData(ByteBuffer.wrap("Spark In Action".getBytes(StandardCharsets.UTF_8)))
val record2 = new Record()
record2.setData(ByteBuffer.wrap("Learning Spark".getBytes(StandardCharsets.UTF_8)))
val batch = Arrays.asList(record1, record2)
var receiverMock: KinesisReceiver[Array[Byte]] = _
var checkpointerMock: IRecordProcessorCheckpointer = _
override def beforeFunction(): Unit = {
receiverMock = mock[KinesisReceiver[Array[Byte]]]
checkpointerMock = mock[IRecordProcessorCheckpointer]
}
test("check serializability of SerializableAWSCredentials") {
Utils.deserialize[SerializableAWSCredentials](
Utils.serialize(new SerializableAWSCredentials("x", "y")))
}
test("process records including store and set checkpointer") {
when(receiverMock.isStopped()).thenReturn(false)
val recordProcessor = new KinesisRecordProcessor(receiverMock, workerId)
recordProcessor.initialize(shardId)
recordProcessor.processRecords(batch, checkpointerMock)
verify(receiverMock, times(1)).isStopped()
verify(receiverMock, times(1)).addRecords(shardId, batch)
verify(receiverMock, times(1)).setCheckpointer(shardId, checkpointerMock)
}
test("shouldn't store and update checkpointer when receiver is stopped") {
when(receiverMock.isStopped()).thenReturn(true)
val recordProcessor = new KinesisRecordProcessor(receiverMock, workerId)
recordProcessor.processRecords(batch, checkpointerMock)
verify(receiverMock, times(1)).isStopped()
verify(receiverMock, never).addRecords(anyString, anyListOf(classOf[Record]))
verify(receiverMock, never).setCheckpointer(anyString, meq(checkpointerMock))
}
test("shouldn't update checkpointer when exception occurs during store") {
when(receiverMock.isStopped()).thenReturn(false)
when(
receiverMock.addRecords(anyString, anyListOf(classOf[Record]))
).thenThrow(new RuntimeException())
intercept[RuntimeException] {
val recordProcessor = new KinesisRecordProcessor(receiverMock, workerId)
recordProcessor.initialize(shardId)
recordProcessor.processRecords(batch, checkpointerMock)
}
verify(receiverMock, times(1)).isStopped()
verify(receiverMock, times(1)).addRecords(shardId, batch)
verify(receiverMock, never).setCheckpointer(anyString, meq(checkpointerMock))
}
test("shutdown should checkpoint if the reason is TERMINATE") {
when(receiverMock.getLatestSeqNumToCheckpoint(shardId)).thenReturn(someSeqNum)
val recordProcessor = new KinesisRecordProcessor(receiverMock, workerId)
recordProcessor.initialize(shardId)
recordProcessor.shutdown(checkpointerMock, ShutdownReason.TERMINATE)
verify(receiverMock, times(1)).removeCheckpointer(meq(shardId), meq(checkpointerMock))
}
test("shutdown should not checkpoint if the reason is something other than TERMINATE") {
when(receiverMock.getLatestSeqNumToCheckpoint(shardId)).thenReturn(someSeqNum)
val recordProcessor = new KinesisRecordProcessor(receiverMock, workerId)
recordProcessor.initialize(shardId)
recordProcessor.shutdown(checkpointerMock, ShutdownReason.ZOMBIE)
recordProcessor.shutdown(checkpointerMock, null)
verify(receiverMock, times(2)).removeCheckpointer(meq(shardId),
meq[IRecordProcessorCheckpointer](null))
}
test("retry success on first attempt") {
val expectedIsStopped = false
when(receiverMock.isStopped()).thenReturn(expectedIsStopped)
val actualVal = KinesisRecordProcessor.retryRandom(receiverMock.isStopped(), 2, 100)
assert(actualVal == expectedIsStopped)
verify(receiverMock, times(1)).isStopped()
}
test("retry success on second attempt after a Kinesis throttling exception") {
val expectedIsStopped = false
when(receiverMock.isStopped())
.thenThrow(new ThrottlingException("error message"))
.thenReturn(expectedIsStopped)
val actualVal = KinesisRecordProcessor.retryRandom(receiverMock.isStopped(), 2, 100)
assert(actualVal == expectedIsStopped)
verify(receiverMock, times(2)).isStopped()
}
test("retry success on second attempt after a Kinesis dependency exception") {
val expectedIsStopped = false
when(receiverMock.isStopped())
.thenThrow(new KinesisClientLibDependencyException("error message"))
.thenReturn(expectedIsStopped)
val actualVal = KinesisRecordProcessor.retryRandom(receiverMock.isStopped(), 2, 100)
assert(actualVal == expectedIsStopped)
verify(receiverMock, times(2)).isStopped()
}
test("retry failed after a shutdown exception") {
when(checkpointerMock.checkpoint()).thenThrow(new ShutdownException("error message"))
intercept[ShutdownException] {
KinesisRecordProcessor.retryRandom(checkpointerMock.checkpoint(), 2, 100)
}
verify(checkpointerMock, times(1)).checkpoint()
}
test("retry failed after an invalid state exception") {
when(checkpointerMock.checkpoint()).thenThrow(new InvalidStateException("error message"))
intercept[InvalidStateException] {
KinesisRecordProcessor.retryRandom(checkpointerMock.checkpoint(), 2, 100)
}
verify(checkpointerMock, times(1)).checkpoint()
}
test("retry failed after unexpected exception") {
when(checkpointerMock.checkpoint()).thenThrow(new RuntimeException("error message"))
intercept[RuntimeException] {
KinesisRecordProcessor.retryRandom(checkpointerMock.checkpoint(), 2, 100)
}
verify(checkpointerMock, times(1)).checkpoint()
}
test("retry failed after exhausting all retries") {
val expectedErrorMessage = "final try error message"
when(checkpointerMock.checkpoint())
.thenThrow(new ThrottlingException("error message"))
.thenThrow(new ThrottlingException(expectedErrorMessage))
val exception = intercept[RuntimeException] {
KinesisRecordProcessor.retryRandom(checkpointerMock.checkpoint(), 2, 100)
}
exception.getMessage().shouldBe(expectedErrorMessage)
verify(checkpointerMock, times(2)).checkpoint()
}
}
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