mirror of https://github.com/apache/cassandra
86 lines
3.2 KiB
Java
86 lines
3.2 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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package org.apache.cassandra.db;
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import static org.junit.Assert.*;
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import java.io.ByteArrayInputStream;
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import java.io.DataInputStream;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.Arrays;
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import org.apache.commons.lang.ArrayUtils;
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import org.junit.Test;
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import org.apache.cassandra.db.filter.QueryPath;
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public class ReadMessageTest
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{
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@Test
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public void testMakeReadMessage() throws IOException
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{
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ArrayList<byte[]> colList = new ArrayList<byte[]>();
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colList.add("col1".getBytes());
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colList.add("col2".getBytes());
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ReadCommand rm, rm2;
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rm = new SliceByNamesReadCommand("Keyspace1", "row1", new QueryPath("Standard1"), colList);
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rm2 = serializeAndDeserializeReadMessage(rm);
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assert rm2.toString().equals(rm.toString());
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rm = new SliceFromReadCommand("Keyspace1", "row1", new QueryPath("Standard1"), ArrayUtils.EMPTY_BYTE_ARRAY, ArrayUtils.EMPTY_BYTE_ARRAY, true, 2);
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rm2 = serializeAndDeserializeReadMessage(rm);
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assert rm2.toString().equals(rm.toString());
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rm = new SliceFromReadCommand("Keyspace1", "row1", new QueryPath("Standard1"), "a".getBytes(), "z".getBytes(), true, 5);
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rm2 = serializeAndDeserializeReadMessage(rm);
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assertEquals(rm2.toString(), rm.toString());
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}
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private ReadCommand serializeAndDeserializeReadMessage(ReadCommand rm) throws IOException
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{
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ReadCommandSerializer rms = ReadCommand.serializer();
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DataOutputBuffer dos = new DataOutputBuffer();
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ByteArrayInputStream bis;
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rms.serialize(rm, dos);
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bis = new ByteArrayInputStream(dos.getData(), 0, dos.getLength());
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return rms.deserialize(new DataInputStream(bis));
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}
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@Test
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public void testGetColumn() throws IOException, ColumnFamilyNotDefinedException
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{
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Table table = Table.open("Keyspace1");
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RowMutation rm;
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// add data
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rm = new RowMutation("Keyspace1", "key1");
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rm.add(new QueryPath("Standard1", null, "Column1".getBytes()), "abcd".getBytes(), 0);
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rm.apply();
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ReadCommand command = new SliceByNamesReadCommand("Keyspace1", "key1", new QueryPath("Standard1"), Arrays.asList("Column1".getBytes()));
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Row row = command.getRow(table);
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IColumn col = row.cf.getColumn("Column1".getBytes());
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assert Arrays.equals(col.value(), "abcd".getBytes());
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}
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}
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