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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.cassandra.transport;
import java.net.UnknownHostException;
import java.util.HashMap;
import java.util.Map;
import org.junit.BeforeClass;
import org.junit.Test;
import org.apache.cassandra.db.ConsistencyLevel;
import org.apache.cassandra.db.WriteType;
import org.apache.cassandra.exceptions.CasWriteTimeoutException;
import org.apache.cassandra.exceptions.CasWriteUnknownResultException;
import org.apache.cassandra.exceptions.ReadFailureException;
import org.apache.cassandra.exceptions.RequestFailureReason;
import org.apache.cassandra.exceptions.WriteFailureException;
import org.apache.cassandra.exceptions.WriteTimeoutException;
import org.apache.cassandra.locator.InetAddressAndPort;
import org.apache.cassandra.transport.messages.EncodeAndDecodeTestBase;
import org.apache.cassandra.transport.messages.ErrorMessage;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
public class ErrorMessageTest extends EncodeAndDecodeTestBase<ErrorMessage>
{
private static Map<InetAddressAndPort, RequestFailureReason> failureReasonMap1;
private static Map<InetAddressAndPort, RequestFailureReason> failureReasonMap2;
@BeforeClass
public static void setUpFixtures() throws UnknownHostException
{
failureReasonMap1 = new HashMap<>();
failureReasonMap1.put(InetAddressAndPort.getByName("127.0.0.1"), RequestFailureReason.READ_TOO_MANY_TOMBSTONES);
failureReasonMap1.put(InetAddressAndPort.getByName("127.0.0.2"), RequestFailureReason.READ_TOO_MANY_TOMBSTONES);
failureReasonMap1.put(InetAddressAndPort.getByName("127.0.0.3"), RequestFailureReason.UNKNOWN);
failureReasonMap2 = new HashMap<>();
failureReasonMap2.put(InetAddressAndPort.getByName("127.0.0.1"), RequestFailureReason.UNKNOWN);
failureReasonMap2.put(InetAddressAndPort.getByName("127.0.0.2"), RequestFailureReason.UNKNOWN);
}
@Test
public void testV5ReadFailureSerDeser()
{
int receivedBlockFor = 3;
ConsistencyLevel consistencyLevel = ConsistencyLevel.ALL;
boolean dataPresent = false;
ReadFailureException rfe = new ReadFailureException(consistencyLevel, receivedBlockFor, receivedBlockFor, dataPresent, failureReasonMap1);
ErrorMessage deserialized = encodeThenDecode(ErrorMessage.fromException(rfe), ProtocolVersion.V5);
ReadFailureException deserializedRfe = (ReadFailureException) deserialized.error;
assertEquals(failureReasonMap1, deserializedRfe.failureReasonByEndpoint);
assertEquals(receivedBlockFor, deserializedRfe.received);
assertEquals(receivedBlockFor, deserializedRfe.blockFor);
assertEquals(consistencyLevel, deserializedRfe.consistency);
assertEquals(dataPresent, deserializedRfe.dataPresent);
}
@Test
public void testV5WriteFailureSerDeser()
{
int receivedBlockFor = 3;
ConsistencyLevel consistencyLevel = ConsistencyLevel.ALL;
WriteType writeType = WriteType.SIMPLE;
WriteFailureException wfe = new WriteFailureException(consistencyLevel, receivedBlockFor, receivedBlockFor, writeType, failureReasonMap2);
ErrorMessage deserialized = encodeThenDecode(ErrorMessage.fromException(wfe), ProtocolVersion.V5);
WriteFailureException deserializedWfe = (WriteFailureException) deserialized.error;
assertEquals(failureReasonMap2, deserializedWfe.failureReasonByEndpoint);
assertEquals(receivedBlockFor, deserializedWfe.received);
assertEquals(receivedBlockFor, deserializedWfe.blockFor);
assertEquals(consistencyLevel, deserializedWfe.consistency);
assertEquals(writeType, deserializedWfe.writeType);
}
@Test
public void testV5CasWriteTimeoutSerDeser()
{
int contentions = 1;
int receivedBlockFor = 3;
ConsistencyLevel consistencyLevel = ConsistencyLevel.SERIAL;
CasWriteTimeoutException ex = new CasWriteTimeoutException(WriteType.CAS, consistencyLevel, 0, receivedBlockFor, contentions);
ErrorMessage deserialized = encodeThenDecode(ErrorMessage.fromException(ex), ProtocolVersion.V5);
assertTrue(deserialized.error instanceof CasWriteTimeoutException);
CasWriteTimeoutException deserializedEx = (CasWriteTimeoutException) deserialized.error;
assertEquals(WriteType.CAS, deserializedEx.writeType);
assertEquals(contentions, deserializedEx.contentions);
assertEquals(consistencyLevel, deserializedEx.consistency);
assertEquals(0, deserializedEx.received);
assertEquals(receivedBlockFor, deserializedEx.blockFor);
assertEquals(ex.getMessage(), deserializedEx.getMessage());
assertTrue(deserializedEx.getMessage().contains("CAS operation timed out: received 0 of 3 required responses after 1 contention retries"));
}
@Test
public void testV4CasWriteTimeoutSerDeser()
{
int contentions = 1;
int receivedBlockFor = 3;
ConsistencyLevel consistencyLevel = ConsistencyLevel.SERIAL;
CasWriteTimeoutException ex = new CasWriteTimeoutException(WriteType.CAS, consistencyLevel, receivedBlockFor, receivedBlockFor, contentions);
ErrorMessage deserialized = encodeThenDecode(ErrorMessage.fromException(ex), ProtocolVersion.V4);
assertTrue(deserialized.error instanceof WriteTimeoutException);
assertFalse(deserialized.error instanceof CasWriteTimeoutException);
WriteTimeoutException deserializedEx = (WriteTimeoutException) deserialized.error;
assertEquals(WriteType.CAS, deserializedEx.writeType);
assertEquals(consistencyLevel, deserializedEx.consistency);
assertEquals(receivedBlockFor, deserializedEx.received);
assertEquals(receivedBlockFor, deserializedEx.blockFor);
}
@Test
public void testV5CasWriteResultUnknownSerDeser()
{
int receivedBlockFor = 3;
ConsistencyLevel consistencyLevel = ConsistencyLevel.SERIAL;
CasWriteUnknownResultException ex = new CasWriteUnknownResultException(consistencyLevel, receivedBlockFor, receivedBlockFor);
ErrorMessage deserialized = encodeThenDecode(ErrorMessage.fromException(ex), ProtocolVersion.V5);
assertTrue(deserialized.error instanceof CasWriteUnknownResultException);
CasWriteUnknownResultException deserializedEx = (CasWriteUnknownResultException) deserialized.error;
assertEquals(consistencyLevel, deserializedEx.consistency);
assertEquals(receivedBlockFor, deserializedEx.received);
assertEquals(receivedBlockFor, deserializedEx.blockFor);
assertEquals(ex.getMessage(), deserializedEx.getMessage());
assertTrue(deserializedEx.getMessage().contains("CAS operation result is unknown"));
}
@Test
public void testV4CasWriteResultUnknownSerDeser()
{
int receivedBlockFor = 3;
ConsistencyLevel consistencyLevel = ConsistencyLevel.SERIAL;
CasWriteUnknownResultException ex = new CasWriteUnknownResultException(consistencyLevel, receivedBlockFor, receivedBlockFor);
ErrorMessage deserialized = encodeThenDecode(ErrorMessage.fromException(ex), ProtocolVersion.V4);
assertTrue(deserialized.error instanceof WriteTimeoutException);
assertFalse(deserialized.error instanceof CasWriteUnknownResultException);
WriteTimeoutException deserializedEx = (WriteTimeoutException) deserialized.error;
assertEquals(consistencyLevel, deserializedEx.consistency);
assertEquals(receivedBlockFor, deserializedEx.received);
assertEquals(receivedBlockFor, deserializedEx.blockFor);
}
/**
* Make sure that the map passed in to create a Read/WriteFailureException is copied
* so later modifications to the map passed in don't affect the map in the exception.
*
* This is to prevent potential issues in serialization if the map created in
* ReadCallback/AbstractWriteResponseHandler is modified due to a delayed failure
* response after the exception is created.
*/
@Test
public void testRequestFailureExceptionMakesCopy() throws UnknownHostException
{
Map<InetAddressAndPort, RequestFailureReason> modifiableFailureReasons = new HashMap<>(failureReasonMap1);
ReadFailureException rfe = new ReadFailureException(ConsistencyLevel.ALL, 3, 3, false, modifiableFailureReasons);
WriteFailureException wfe = new WriteFailureException(ConsistencyLevel.ALL, 3, 3, WriteType.SIMPLE, modifiableFailureReasons);
modifiableFailureReasons.put(InetAddressAndPort.getByName("127.0.0.4"), RequestFailureReason.UNKNOWN);
assertEquals(failureReasonMap1, rfe.failureReasonByEndpoint);
assertEquals(failureReasonMap1, wfe.failureReasonByEndpoint);
}
protected Message.Codec<ErrorMessage> getCodec()
{
return ErrorMessage.codec;
}
}