org.apache.hadoop.hbase.mapred.TestSerialization.java Source code

Introduction

Here is the source code for org.apache.hadoop.hbase.mapred.TestSerialization.java

Source

/**
 *
 * 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.hbase.mapred;

import com.google.protobuf.InvalidProtocolBufferException;
import junit.framework.AssertionFailedError;
import org.apache.hadoop.hbase.CellUtil;
import org.apache.hadoop.hbase.testclassification.SmallTests;
import org.junit.experimental.categories.Category;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import com.google.common.collect.Lists;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.HBaseTestingUtility;
import org.apache.hadoop.hbase.KeyValue;
import org.apache.hadoop.hbase.client.Put;
import org.apache.hadoop.hbase.client.Mutation;
import org.apache.hadoop.hbase.client.Result;

import org.apache.hadoop.hbase.mapreduce.MutationSerialization;
import org.apache.hadoop.hbase.mapreduce.ResultSerialization;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.io.serializer.Deserializer;
import org.apache.hadoop.io.serializer.Serializer;
import org.junit.BeforeClass;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TestName;

import static org.junit.Assert.assertTrue;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.fail;

@Category({ SmallTests.class })
public class TestSerialization {
    @Rule
    public TestName name = new TestName();
    private static final Log LOG = LogFactory.getLog(TestSerialization.class);
    private final static HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();
    private static Configuration conf;
    private static final byte[] row = Bytes.toBytes("row1");
    private static final byte[] qualifier = Bytes.toBytes("qualifier1");
    private static final byte[] family = Bytes.toBytes("family1");
    private static final byte[] value = new byte[100 * 1024 * 1024];

    @BeforeClass
    public static void setUpBeforeClass() throws Exception {
        conf = TEST_UTIL.getConfiguration();
        conf.setInt("hbase.client.keyvalue.maxsize", Integer.MAX_VALUE);
        //TEST_UTIL.startMiniCluster();
    }

    @Test
    public void testLargeMutation() throws Exception {
        Put put = new Put(row);
        put.add(family, qualifier, value);

        MutationSerialization serialization = new MutationSerialization();
        Serializer<Mutation> serializer = serialization.getSerializer(Mutation.class);
        Deserializer<Mutation> deserializer = serialization.getDeserializer(Mutation.class);
        ByteArrayOutputStream os = new ByteArrayOutputStream();
        ByteArrayInputStream is = null;
        try {
            serializer.open(os);
            serializer.serialize(put);
            os.flush();
            is = new ByteArrayInputStream(os.toByteArray());
            deserializer.open(is);
            deserializer.deserialize(null);
        } catch (InvalidProtocolBufferException e) {
            assertTrue("Got InvalidProtocolBufferException in " + name.getMethodName(),
                    e.getCause() instanceof InvalidProtocolBufferException);
        } catch (Exception e) {
            fail("Got an invalid exception: " + e);
        }
    }

    @Test
    public void testLargeResult() throws Exception {
        Result res = Result.create(new KeyValue[] { new KeyValue(row, family, qualifier, 0L, value) });

        ResultSerialization serialization = new ResultSerialization();
        Serializer<Result> serializer = serialization.getSerializer(Result.class);
        Deserializer<Result> deserializer = serialization.getDeserializer(Result.class);
        ByteArrayOutputStream os = new ByteArrayOutputStream();
        ByteArrayInputStream is = null;
        try {
            serializer.open(os);
            serializer.serialize(res);
            os.flush();
            is = new ByteArrayInputStream(os.toByteArray());
            deserializer.open(is);
            deserializer.deserialize(null);
        } catch (InvalidProtocolBufferException e) {
            assertTrue("Got InvalidProtocolBufferException in " + name.getMethodName(),
                    e.getCause() instanceof InvalidProtocolBufferException);
        } catch (Exception e) {
            fail("Got an invalid exception: " + e);
        }
    }

    private static String getName() {
        return "TestSerialization";
    }
}