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* 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
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* KIND, either express or implied. See the License for the
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package org.apache.cassandra.db;
import static org.junit.Assert.*;
import java.io.*;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.Arrays;
import org.junit.Test;
import org.apache.cassandra.SchemaLoader;
import org.apache.cassandra.Util;
import org.apache.cassandra.config.DatabaseDescriptor;
import org.apache.cassandra.db.filter.QueryPath;
import org.apache.cassandra.io.util.DataOutputBuffer;
import org.apache.cassandra.net.MessagingService;
import org.apache.cassandra.utils.ByteBufferUtil;
public class ReadMessageTest extends SchemaLoader
{
@Test
public void testMakeReadMessage() throws IOException
{
ArrayList<ByteBuffer> colList = new ArrayList<ByteBuffer>();
colList.add(ByteBufferUtil.bytes("col1"));
colList.add(ByteBufferUtil.bytes("col2"));
ReadCommand rm, rm2;
DecoratedKey dk = Util.dk("row1");
rm = new SliceByNamesReadCommand("Keyspace1", dk.key, new QueryPath("Standard1"), colList);
rm2 = serializeAndDeserializeReadMessage(rm);
assert rm2.toString().equals(rm.toString());
rm = new SliceFromReadCommand("Keyspace1", dk.key, new QueryPath("Standard1"), ByteBufferUtil.EMPTY_BYTE_BUFFER, ByteBufferUtil.EMPTY_BYTE_BUFFER, true, 2);
rm2 = serializeAndDeserializeReadMessage(rm);
assert rm2.toString().equals(rm.toString());
rm = new SliceFromReadCommand("Keyspace1", dk.key, new QueryPath("Standard1"), ByteBufferUtil.bytes("a"), ByteBufferUtil.bytes("z"), true, 5);
rm2 = serializeAndDeserializeReadMessage(rm);
assertEquals(rm2.toString(), rm.toString());
rm = new SliceFromReadCommand("Keyspace1", dk.key, new QueryPath("Standard1"), ByteBufferUtil.EMPTY_BYTE_BUFFER, ByteBufferUtil.EMPTY_BYTE_BUFFER, true, 2);
rm2 = serializeAndDeserializeReadMessage(rm);
assert rm2.toString().equals(rm.toString());
rm = new SliceFromReadCommand("Keyspace1", dk.key, new QueryPath("Standard1"), ByteBufferUtil.bytes("a"), ByteBufferUtil.bytes("z"), true, 5);
rm2 = serializeAndDeserializeReadMessage(rm);
assertEquals(rm2.toString(), rm.toString());
}
private ReadCommand serializeAndDeserializeReadMessage(ReadCommand rm) throws IOException
{
ReadCommandSerializer rms = ReadCommand.serializer();
DataOutputBuffer dos = new DataOutputBuffer();
ByteArrayInputStream bis;
rms.serialize(rm, dos, MessagingService.version_);
bis = new ByteArrayInputStream(dos.getData(), 0, dos.getLength());
return rms.deserialize(new DataInputStream(bis), MessagingService.version_);
}
@Test
public void testGetColumn() throws IOException, ColumnFamilyNotDefinedException
{
Table table = Table.open("Keyspace1");
RowMutation rm;
DecoratedKey dk = Util.dk("key1");
// add data
rm = new RowMutation("Keyspace1", dk.key);
rm.add(new QueryPath("Standard1", null, ByteBufferUtil.bytes("Column1")), ByteBufferUtil.bytes("abcd"), 0);
rm.apply();
ReadCommand command = new SliceByNamesReadCommand("Keyspace1", dk.key, new QueryPath("Standard1"), Arrays.asList(ByteBufferUtil.bytes("Column1")));
Row row = command.getRow(table);
IColumn col = row.cf.getColumn(ByteBufferUtil.bytes("Column1"));
assert Arrays.equals(col.value().array(), "abcd".getBytes());
}
@Test
public void testNoCommitLog() throws Exception
{
RowMutation rm = new RowMutation("Keyspace1", ByteBufferUtil.bytes("row"));
rm.add(new QueryPath("Standard1", null, ByteBufferUtil.bytes("commit1")), ByteBufferUtil.bytes("abcd"), 0);
rm.apply();
rm = new RowMutation("NoCommitlogSpace", ByteBufferUtil.bytes("row"));
rm.add(new QueryPath("Standard1", null, ByteBufferUtil.bytes("commit2")), ByteBufferUtil.bytes("abcd"), 0);
rm.apply();
boolean commitLogMessageFound = false;
boolean noCommitLogMessageFound = false;
File commitLogDir = new File(DatabaseDescriptor.getCommitLogLocation());
for(String filename : commitLogDir.list())
{
BufferedReader f = new BufferedReader(new FileReader(commitLogDir.getAbsolutePath()+File.separator+filename));
String line = null;
while( (line = f.readLine()) != null)
{
if(line.contains("commit1"))
commitLogMessageFound = true;
if(line.contains("commit2"))
noCommitLogMessageFound = true;
}
f.close();
}
assertTrue(commitLogMessageFound);
assertFalse(noCommitLogMessageFound);
}
}