alluxio.master.journal.ProtoBufJournalFormatterTest.java Source code

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Here is the source code for alluxio.master.journal.ProtoBufJournalFormatterTest.java

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/*
 * The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
 * (the "License"). You may not use this work except in compliance with the License, which is
 * available at www.apache.org/licenses/LICENSE-2.0
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied, as more fully set forth in the License.
 *
 * See the NOTICE file distributed with this work for information regarding copyright ownership.
 */

package alluxio.master.journal;

import alluxio.proto.journal.File.CompleteFileEntry;
import alluxio.proto.journal.Journal.JournalEntry;

import org.apache.commons.lang.ArrayUtils;
import org.junit.Assert;
import org.junit.Test;

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

/**
 * Unit tests for {@link ProtoBufJournalFormatter}.
 */
public final class ProtoBufJournalFormatterTest extends AbstractJournalFormatterTest {
    @Override
    protected JournalFormatter getFormatter() {
        return new ProtoBufJournalFormatter();
    }

    @Test
    public void truncatedEntryDoesntFail() throws Exception {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        ProtoBufJournalFormatter formatter = new ProtoBufJournalFormatter();
        formatter.serialize(
                JournalEntry.newBuilder().setCompleteFile(CompleteFileEntry.newBuilder().setId(10)).build(), baos);
        byte[] serializedEntry = baos.toByteArray();
        for (int i = 1; i < serializedEntry.length; i++) {
            byte[] truncated = ArrayUtils.subarray(serializedEntry, 0, serializedEntry.length - i);
            Assert.assertEquals(null, formatter.deserialize(new ByteArrayInputStream(truncated)).read());
        }
    }
}