org.apache.cassandra.db.migration.SerializationsTest.java Source code

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Here is the source code for org.apache.cassandra.db.migration.SerializationsTest.java

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package org.apache.cassandra.db.migration;
/*
 * 
 * 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.
 * 
 */

import org.apache.cassandra.AbstractSerializationsTester;
import org.apache.cassandra.CleanupHelper;
import org.apache.cassandra.config.ConfigurationException;
import org.apache.cassandra.config.DatabaseDescriptor;
import org.apache.cassandra.config.KSMetaData;
import org.apache.cassandra.io.SerDeUtils;
import org.apache.cassandra.utils.FBUtilities;
import org.apache.cassandra.utils.UUIDGen;
import org.apache.commons.codec.binary.Base64;
import org.junit.Test;

import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.ByteBuffer;
import java.util.UUID;

public class SerializationsTest extends AbstractSerializationsTester {
    private static final int ksCount = 5;

    private void testWrite() throws IOException, ConfigurationException {
        for (int i = 0; i < ksCount; i++) {
            String tableName = "Keyspace" + (i + 1);
            KSMetaData ksm = DatabaseDescriptor.getKSMetaData(tableName);
            UUID uuid = UUIDGen.makeType1UUIDFromHost(FBUtilities.getLocalAddress());
            DatabaseDescriptor.clearTableDefinition(ksm, uuid);
            Migration m = new AddKeyspace(ksm);
            ByteBuffer bytes = m.serialize();

            DataOutputStream out = getOutput("db.migration." + tableName + ".bin");
            out.writeUTF(new String(Base64.encodeBase64(bytes.array())));
            out.close();
        }
    }

    @Test
    public void testRead() throws IOException, ConfigurationException {
        if (AbstractSerializationsTester.EXECUTE_WRITES)
            testWrite();

        for (int i = 0; i < ksCount; i++) {
            String tableName = "Keyspace" + (i + 1);
            DataInputStream in = getInput("db.migration." + tableName + ".bin");
            byte[] raw = Base64.decodeBase64(in.readUTF().getBytes());
            org.apache.cassandra.db.migration.avro.Migration obj = new org.apache.cassandra.db.migration.avro.Migration();
            SerDeUtils.deserializeWithSchema(ByteBuffer.wrap(raw), obj);
            in.close();
        }
    }
}