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KinesisProxyTest.java
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KinesisProxyTest.java
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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:https://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.flink.streaming.connectors.kinesis.proxy;
import org.apache.flink.streaming.connectors.kinesis.config.AWSConfigConstants;
import org.apache.flink.streaming.connectors.kinesis.config.ConsumerConfigConstants;
import org.apache.flink.streaming.connectors.kinesis.model.StreamShardHandle;
import org.apache.flink.streaming.connectors.kinesis.testutils.KinesisShardIdGenerator;
import org.apache.flink.streaming.connectors.kinesis.util.AWSUtil;
import com.amazonaws.AmazonServiceException;
import com.amazonaws.AmazonServiceException.ErrorType;
import com.amazonaws.ClientConfiguration;
import com.amazonaws.ClientConfigurationFactory;
import com.amazonaws.SdkClientException;
import com.amazonaws.services.kinesis.AmazonKinesis;
import com.amazonaws.services.kinesis.AmazonKinesisClient;
import com.amazonaws.services.kinesis.model.AmazonKinesisException;
import com.amazonaws.services.kinesis.model.ExpiredIteratorException;
import com.amazonaws.services.kinesis.model.GetRecordsResult;
import com.amazonaws.services.kinesis.model.ListShardsRequest;
import com.amazonaws.services.kinesis.model.ListShardsResult;
import com.amazonaws.services.kinesis.model.ProvisionedThroughputExceededException;
import com.amazonaws.services.kinesis.model.Shard;
import org.apache.commons.lang3.mutable.MutableInt;
import org.hamcrest.Description;
import org.hamcrest.TypeSafeDiagnosingMatcher;
import org.junit.Assert;
import org.junit.Test;
import org.mockito.Mockito;
import org.mockito.invocation.InvocationOnMock;
import org.mockito.stubbing.Answer;
import org.powermock.reflect.Whitebox;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Properties;
import java.util.Set;
import java.util.stream.Collectors;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.collection.IsCollectionWithSize.hasSize;
import static org.hamcrest.collection.IsIterableContainingInAnyOrder.containsInAnyOrder;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.mockito.Matchers.any;
import static org.mockito.Matchers.argThat;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.mock;
/**
* Test for methods in the {@link KinesisProxy} class.
*/
public class KinesisProxyTest {
@Test
public void testIsRecoverableExceptionWithProvisionedThroughputExceeded() {
final ProvisionedThroughputExceededException ex = new ProvisionedThroughputExceededException("asdf");
ex.setErrorType(ErrorType.Client);
assertTrue(KinesisProxy.isRecoverableException(ex));
}
@Test
public void testIsRecoverableExceptionWithServiceException() {
final AmazonServiceException ex = new AmazonServiceException("asdf");
ex.setErrorType(ErrorType.Service);
assertTrue(KinesisProxy.isRecoverableException(ex));
}
@Test
public void testIsRecoverableExceptionWithExpiredIteratorException() {
final ExpiredIteratorException ex = new ExpiredIteratorException("asdf");
ex.setErrorType(ErrorType.Client);
assertFalse(KinesisProxy.isRecoverableException(ex));
}
@Test
public void testIsRecoverableExceptionWithNullErrorType() {
final AmazonServiceException ex = new AmazonServiceException("asdf");
ex.setErrorType(null);
assertFalse(KinesisProxy.isRecoverableException(ex));
}
@Test
public void testGetRecordsRetry() throws Exception {
Properties kinesisConsumerConfig = new Properties();
kinesisConsumerConfig.setProperty(ConsumerConfigConstants.AWS_REGION, "us-east-1");
final GetRecordsResult expectedResult = new GetRecordsResult();
MutableInt retries = new MutableInt();
final Throwable[] retriableExceptions = new Throwable[] {
new AmazonKinesisException("mock"),
};
AmazonKinesisClient mockClient = mock(AmazonKinesisClient.class);
Mockito.when(mockClient.getRecords(any())).thenAnswer(new Answer<GetRecordsResult>() {
@Override
public GetRecordsResult answer(InvocationOnMock invocation) throws Throwable{
if (retries.intValue() < retriableExceptions.length) {
retries.increment();
throw retriableExceptions[retries.intValue() - 1];
}
return expectedResult;
}
});
KinesisProxy kinesisProxy = new KinesisProxy(kinesisConsumerConfig);
Whitebox.getField(KinesisProxy.class, "kinesisClient").set(kinesisProxy, mockClient);
GetRecordsResult result = kinesisProxy.getRecords("fakeShardIterator", 1);
assertEquals(retriableExceptions.length, retries.intValue());
assertEquals(expectedResult, result);
}
@Test
public void testGetShardList() throws Exception {
List<String> shardIds =
Arrays.asList(
"shardId-000000000000",
"shardId-000000000001",
"shardId-000000000002",
"shardId-000000000003");
String nextToken = "NextToken";
String fakeStreamName = "fake-stream";
List<Shard> shards = shardIds
.stream()
.map(shardId -> new Shard().withShardId(shardId))
.collect(Collectors.toList());
Properties kinesisConsumerConfig = new Properties();
kinesisConsumerConfig.setProperty(ConsumerConfigConstants.AWS_REGION, "us-east-1");
kinesisConsumerConfig.setProperty(ConsumerConfigConstants.AWS_ACCESS_KEY_ID, "fake_accesskey");
kinesisConsumerConfig.setProperty(
ConsumerConfigConstants.AWS_SECRET_ACCESS_KEY, "fake_secretkey");
KinesisProxy kinesisProxy = new KinesisProxy(kinesisConsumerConfig);
AmazonKinesis mockClient = mock(AmazonKinesis.class);
Whitebox.setInternalState(kinesisProxy, "kinesisClient", mockClient);
ListShardsResult responseWithMoreData =
new ListShardsResult().withShards(shards.subList(0, 2)).withNextToken(nextToken);
ListShardsResult responseFinal =
new ListShardsResult().withShards(shards.subList(2, shards.size())).withNextToken(null);
doReturn(responseWithMoreData)
.when(mockClient)
.listShards(argThat(initialListShardsRequestMatcher()));
doReturn(responseFinal).
when(mockClient).
listShards(argThat(listShardsNextToken(nextToken)));
HashMap<String, String> streamHashMap =
createInitialSubscribedStreamsToLastDiscoveredShardsState(Arrays.asList(fakeStreamName));
GetShardListResult shardListResult = kinesisProxy.getShardList(streamHashMap);
Assert.assertEquals(shardListResult.hasRetrievedShards(), true);
Set<String> expectedStreams = new HashSet<>();
expectedStreams.add(fakeStreamName);
Assert.assertEquals(shardListResult.getStreamsWithRetrievedShards(), expectedStreams);
List<StreamShardHandle> actualShardList =
shardListResult.getRetrievedShardListOfStream(fakeStreamName);
List<StreamShardHandle> expectedStreamShard = new ArrayList<>();
assertThat(actualShardList, hasSize(4));
for (int i = 0; i < 4; i++) {
StreamShardHandle shardHandle =
new StreamShardHandle(
fakeStreamName,
new Shard().withShardId(KinesisShardIdGenerator.generateFromShardOrder(i)));
expectedStreamShard.add(shardHandle);
}
Assert.assertThat(
actualShardList,
containsInAnyOrder(
expectedStreamShard.toArray(new StreamShardHandle[actualShardList.size()])));
}
@Test
public void testGetShardListRetry() throws Exception {
Properties kinesisConsumerConfig = new Properties();
kinesisConsumerConfig.setProperty(ConsumerConfigConstants.AWS_REGION, "us-east-1");
Shard shard = new Shard();
shard.setShardId("fake-shard-000000000000");
final ListShardsResult expectedResult = new ListShardsResult();
expectedResult.withShards(shard);
MutableInt exceptionCount = new MutableInt();
final Throwable[] retriableExceptions = new Throwable[]{
new AmazonKinesisException("attempt1"),
new AmazonKinesisException("attempt2"),
};
AmazonKinesisClient mockClient = mock(AmazonKinesisClient.class);
Mockito.when(mockClient.listShards(any())).thenAnswer(new Answer<ListShardsResult>() {
@Override
public ListShardsResult answer(InvocationOnMock invocation) throws Throwable {
if (exceptionCount.intValue() < retriableExceptions.length) {
exceptionCount.increment();
throw retriableExceptions[exceptionCount.intValue() - 1];
}
return expectedResult;
}
});
KinesisProxy kinesisProxy = new KinesisProxy(kinesisConsumerConfig);
Whitebox.getField(KinesisProxy.class, "kinesisClient").set(kinesisProxy, mockClient);
HashMap<String, String> streamNames = new HashMap();
streamNames.put("fake-stream", null);
GetShardListResult result = kinesisProxy.getShardList(streamNames);
assertEquals(retriableExceptions.length, exceptionCount.intValue());
assertEquals(true, result.hasRetrievedShards());
assertEquals(shard.getShardId(), result.getLastSeenShardOfStream("fake-stream").getShard().getShardId());
// test max attempt count exceeded
int maxRetries = 1;
exceptionCount.setValue(0);
kinesisConsumerConfig.setProperty(ConsumerConfigConstants.LIST_SHARDS_RETRIES, String.valueOf(maxRetries));
kinesisProxy = new KinesisProxy(kinesisConsumerConfig);
Whitebox.getField(KinesisProxy.class, "kinesisClient").set(kinesisProxy, mockClient);
try {
kinesisProxy.getShardList(streamNames);
Assert.fail("exception expected");
} catch (SdkClientException ex) {
assertEquals(retriableExceptions[maxRetries], ex);
}
assertEquals(maxRetries + 1, exceptionCount.intValue());
}
@Test
public void testCustomConfigurationOverride() {
Properties configProps = new Properties();
configProps.setProperty(AWSConfigConstants.AWS_REGION, "us-east-1");
KinesisProxy proxy = new KinesisProxy(configProps) {
@Override
protected AmazonKinesis createKinesisClient(Properties configProps) {
ClientConfiguration clientConfig = new ClientConfigurationFactory().getConfig();
clientConfig.setSocketTimeout(10000);
return AWSUtil.createKinesisClient(configProps, clientConfig);
}
};
AmazonKinesis kinesisClient = Whitebox.getInternalState(proxy, "kinesisClient");
ClientConfiguration clientConfiguration = Whitebox.getInternalState(kinesisClient, "clientConfiguration");
assertEquals(10000, clientConfiguration.getSocketTimeout());
}
@Test
public void testClientConfigOverride() {
Properties configProps = new Properties();
configProps.setProperty(AWSConfigConstants.AWS_REGION, "us-east-1");
configProps.setProperty(AWSUtil.AWS_CLIENT_CONFIG_PREFIX + "socketTimeout", "9999");
KinesisProxyInterface proxy = KinesisProxy.create(configProps);
AmazonKinesis kinesisClient = Whitebox.getInternalState(proxy, "kinesisClient");
ClientConfiguration clientConfiguration = Whitebox.getInternalState(kinesisClient,
"clientConfiguration");
assertEquals(9999, clientConfiguration.getSocketTimeout());
}
protected static HashMap<String, String>
createInitialSubscribedStreamsToLastDiscoveredShardsState(List<String> streams) {
HashMap<String, String> initial = new HashMap<>();
for (String stream : streams) {
initial.put(stream, null);
}
return initial;
}
private static ListShardsRequestMatcher initialListShardsRequestMatcher() {
return new ListShardsRequestMatcher(null, null);
}
private static ListShardsRequestMatcher listShardsNextToken(final String nextToken) {
return new ListShardsRequestMatcher(null, nextToken);
}
private static class ListShardsRequestMatcher extends TypeSafeDiagnosingMatcher<ListShardsRequest> {
private final String shardId;
private final String nextToken;
ListShardsRequestMatcher(String shardIdArg, String nextTokenArg) {
shardId = shardIdArg;
nextToken = nextTokenArg;
}
@Override
protected boolean matchesSafely(final ListShardsRequest listShardsRequest, final Description description) {
if (shardId == null) {
if (listShardsRequest.getExclusiveStartShardId() != null) {
return false;
}
} else {
if (!shardId.equals(listShardsRequest.getExclusiveStartShardId())) {
return false;
}
}
if (listShardsRequest.getNextToken() != null) {
if (!(listShardsRequest.getStreamName() == null
&& listShardsRequest.getExclusiveStartShardId() == null)) {
return false;
}
if (!listShardsRequest.getNextToken().equals(nextToken)) {
return false;
}
} else {
return nextToken == null;
}
return true;
}
@Override
public void describeTo(final Description description) {
description
.appendText("A ListShardsRequest with a shardId: ")
.appendValue(shardId)
.appendText(" and empty nextToken");
}
}
}