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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.util.concurrent.{TimeoutException, ExecutorService}
import scala.concurrent.{Await, ExecutionContext, Future}
import scala.concurrent.duration._
import scala.language.postfixOps
import com.amazonaws.services.kinesis.clientlibrary.interfaces.IRecordProcessorCheckpointer
import org.mockito.Matchers._
import org.mockito.Mockito._
import org.mockito.invocation.InvocationOnMock
import org.mockito.stubbing.Answer
import org.scalatest.{PrivateMethodTester, BeforeAndAfterEach}
import org.scalatest.concurrent.Eventually
import org.scalatest.concurrent.Eventually._
import org.scalatest.mock.MockitoSugar
import org.apache.spark.streaming.{Duration, TestSuiteBase}
import org.apache.spark.util.ManualClock
class KinesisCheckpointerSuite extends TestSuiteBase
with MockitoSugar
with BeforeAndAfterEach
with PrivateMethodTester
with Eventually {
private val workerId = "dummyWorkerId"
private val shardId = "dummyShardId"
private val seqNum = "123"
private val otherSeqNum = "245"
private val checkpointInterval = Duration(10)
private val someSeqNum = Some(seqNum)
private val someOtherSeqNum = Some(otherSeqNum)
private var receiverMock: KinesisReceiver[Array[Byte]] = _
private var checkpointerMock: IRecordProcessorCheckpointer = _
private var kinesisCheckpointer: KinesisCheckpointer = _
private var clock: ManualClock = _
private val checkpoint = PrivateMethod[Unit]('checkpoint)
override def beforeEach(): Unit = {
receiverMock = mock[KinesisReceiver[Array[Byte]]]
checkpointerMock = mock[IRecordProcessorCheckpointer]
clock = new ManualClock()
kinesisCheckpointer = new KinesisCheckpointer(receiverMock, checkpointInterval, workerId, clock)
}
test("checkpoint is not called twice for the same sequence number") {
when(receiverMock.getLatestSeqNumToCheckpoint(shardId)).thenReturn(someSeqNum)
kinesisCheckpointer.invokePrivate(checkpoint(shardId, checkpointerMock))
kinesisCheckpointer.invokePrivate(checkpoint(shardId, checkpointerMock))
verify(checkpointerMock, times(1)).checkpoint(anyString())
}
test("checkpoint is called after sequence number increases") {
when(receiverMock.getLatestSeqNumToCheckpoint(shardId))
.thenReturn(someSeqNum).thenReturn(someOtherSeqNum)
kinesisCheckpointer.invokePrivate(checkpoint(shardId, checkpointerMock))
kinesisCheckpointer.invokePrivate(checkpoint(shardId, checkpointerMock))
verify(checkpointerMock, times(1)).checkpoint(seqNum)
verify(checkpointerMock, times(1)).checkpoint(otherSeqNum)
}
test("should checkpoint if we have exceeded the checkpoint interval") {
when(receiverMock.getLatestSeqNumToCheckpoint(shardId))
.thenReturn(someSeqNum).thenReturn(someOtherSeqNum)
kinesisCheckpointer.setCheckpointer(shardId, checkpointerMock)
clock.advance(5 * checkpointInterval.milliseconds)
eventually(timeout(1 second)) {
verify(checkpointerMock, times(1)).checkpoint(seqNum)
verify(checkpointerMock, times(1)).checkpoint(otherSeqNum)
}
}
test("shouldn't checkpoint if we have not exceeded the checkpoint interval") {
when(receiverMock.getLatestSeqNumToCheckpoint(shardId)).thenReturn(someSeqNum)
kinesisCheckpointer.setCheckpointer(shardId, checkpointerMock)
clock.advance(checkpointInterval.milliseconds / 2)
verify(checkpointerMock, never()).checkpoint(anyString())
}
test("should not checkpoint for the same sequence number") {
when(receiverMock.getLatestSeqNumToCheckpoint(shardId)).thenReturn(someSeqNum)
kinesisCheckpointer.setCheckpointer(shardId, checkpointerMock)
clock.advance(checkpointInterval.milliseconds * 5)
eventually(timeout(1 second)) {
verify(checkpointerMock, atMost(1)).checkpoint(anyString())
}
}
test("removing checkpointer checkpoints one last time") {
when(receiverMock.getLatestSeqNumToCheckpoint(shardId)).thenReturn(someSeqNum)
kinesisCheckpointer.removeCheckpointer(shardId, checkpointerMock)
verify(checkpointerMock, times(1)).checkpoint(anyString())
}
test("if checkpointing is going on, wait until finished before removing and checkpointing") {
when(receiverMock.getLatestSeqNumToCheckpoint(shardId))
.thenReturn(someSeqNum).thenReturn(someOtherSeqNum)
when(checkpointerMock.checkpoint(anyString)).thenAnswer(new Answer[Unit] {
override def answer(invocations: InvocationOnMock): Unit = {
clock.waitTillTime(clock.getTimeMillis() + checkpointInterval.milliseconds / 2)
}
})
kinesisCheckpointer.setCheckpointer(shardId, checkpointerMock)
clock.advance(checkpointInterval.milliseconds)
eventually(timeout(1 second)) {
verify(checkpointerMock, times(1)).checkpoint(anyString())
}
// don't block test thread
val f = Future(kinesisCheckpointer.removeCheckpointer(shardId, checkpointerMock))(
ExecutionContext.global)
intercept[TimeoutException] {
Await.ready(f, 50 millis)
}
clock.advance(checkpointInterval.milliseconds / 2)
eventually(timeout(1 second)) {
verify(checkpointerMock, times(2)).checkpoint(anyString())
}
}
}
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