| /** |
| * 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.hadoop.yarn.api.records.impl.pb; |
| |
| import java.nio.channels.ClosedChannelException; |
| |
| import org.apache.hadoop.yarn.exceptions.YarnRuntimeException; |
| import org.apache.hadoop.yarn.proto.YarnProtos.SerializedExceptionProto; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| public class TestSerializedExceptionPBImpl { |
| @Test |
| public void testSerializedException() throws Exception { |
| SerializedExceptionPBImpl orig = new SerializedExceptionPBImpl(); |
| orig.init(new Exception("test exception")); |
| SerializedExceptionProto proto = orig.getProto(); |
| SerializedExceptionPBImpl deser = new SerializedExceptionPBImpl(proto); |
| Assert.assertEquals(orig, deser); |
| Assert.assertEquals(orig.getMessage(), deser.getMessage()); |
| Assert.assertEquals(orig.getRemoteTrace(), deser.getRemoteTrace()); |
| Assert.assertEquals(orig.getCause(), deser.getCause()); |
| } |
| |
| @Test |
| public void testDeserialize() throws Exception { |
| Exception ex = new Exception("test exception"); |
| SerializedExceptionPBImpl pb = new SerializedExceptionPBImpl(); |
| |
| try { |
| pb.deSerialize(); |
| Assert.fail("deSerialze should throw YarnRuntimeException"); |
| } catch (YarnRuntimeException e) { |
| Assert.assertEquals(ClassNotFoundException.class, |
| e.getCause().getClass()); |
| } |
| |
| pb.init(ex); |
| Assert.assertEquals(ex.toString(), pb.deSerialize().toString()); |
| } |
| |
| @Test |
| public void testDeserializeWithDefaultConstructor() { |
| // Init SerializedException with an Exception with default constructor. |
| ClosedChannelException ex = new ClosedChannelException(); |
| SerializedExceptionPBImpl pb = new SerializedExceptionPBImpl(); |
| pb.init(ex); |
| Assert.assertEquals(ex.getClass(), pb.deSerialize().getClass()); |
| } |
| |
| @Test |
| public void testBeforeInit() throws Exception { |
| SerializedExceptionProto defaultProto = |
| SerializedExceptionProto.newBuilder().build(); |
| |
| SerializedExceptionPBImpl pb1 = new SerializedExceptionPBImpl(); |
| Assert.assertNull(pb1.getCause()); |
| |
| SerializedExceptionPBImpl pb2 = new SerializedExceptionPBImpl(); |
| Assert.assertEquals(defaultProto, pb2.getProto()); |
| |
| SerializedExceptionPBImpl pb3 = new SerializedExceptionPBImpl(); |
| Assert.assertEquals(defaultProto.getTrace(), pb3.getRemoteTrace()); |
| } |
| |
| @Test |
| public void testThrowableDeserialization() { |
| // java.lang.Error should also be serializable |
| Error ex = new Error(); |
| SerializedExceptionPBImpl pb = new SerializedExceptionPBImpl(); |
| pb.init(ex); |
| Assert.assertEquals(ex.getClass(), pb.deSerialize().getClass()); |
| } |
| } |