| /* |
| * 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.InetAddress; |
| import java.net.UnknownHostException; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| |
| import io.netty.buffer.ByteBuf; |
| import io.netty.buffer.Unpooled; |
| import org.apache.cassandra.db.ConsistencyLevel; |
| import org.apache.cassandra.db.WriteType; |
| import org.apache.cassandra.exceptions.ReadFailureException; |
| import org.apache.cassandra.exceptions.RequestFailureReason; |
| import org.apache.cassandra.exceptions.WriteFailureException; |
| import org.apache.cassandra.transport.messages.ErrorMessage; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| public class ErrorMessageTest |
| { |
| private static Map<InetAddress, RequestFailureReason> failureReasonMap1; |
| private static Map<InetAddress, RequestFailureReason> failureReasonMap2; |
| |
| @BeforeClass |
| public static void setUpFixtures() throws UnknownHostException |
| { |
| failureReasonMap1 = new HashMap<>(); |
| failureReasonMap1.put(InetAddress.getByName("127.0.0.1"), RequestFailureReason.READ_TOO_MANY_TOMBSTONES); |
| failureReasonMap1.put(InetAddress.getByName("127.0.0.2"), RequestFailureReason.READ_TOO_MANY_TOMBSTONES); |
| failureReasonMap1.put(InetAddress.getByName("127.0.0.3"), RequestFailureReason.UNKNOWN); |
| |
| failureReasonMap2 = new HashMap<>(); |
| failureReasonMap2.put(InetAddress.getByName("127.0.0.1"), RequestFailureReason.UNKNOWN); |
| failureReasonMap2.put(InetAddress.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 = serializeAndGetDeserializedErrorMessage(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 = serializeAndGetDeserializedErrorMessage(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); |
| } |
| |
| /** |
| * 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<InetAddress, 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(InetAddress.getByName("127.0.0.4"), RequestFailureReason.UNKNOWN); |
| |
| assertEquals(failureReasonMap1, rfe.failureReasonByEndpoint); |
| assertEquals(failureReasonMap1, wfe.failureReasonByEndpoint); |
| } |
| |
| private ErrorMessage serializeAndGetDeserializedErrorMessage(ErrorMessage message, ProtocolVersion version) |
| { |
| ByteBuf buffer = Unpooled.buffer(ErrorMessage.codec.encodedSize(message, version)); |
| ErrorMessage.codec.encode(message, buffer, version); |
| return ErrorMessage.codec.decode(buffer, version); |
| } |
| } |