mirror of https://github.com/apache/cassandra
107 lines
3.5 KiB
Java
107 lines
3.5 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.IOException;
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import java.util.ArrayList;
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import java.util.Arrays;
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import org.junit.Assert;
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import org.junit.Test;
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import org.apache.cassandra.io.DataInputBuffer;
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import org.apache.cassandra.io.DataOutputBuffer;
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public class ReadMessageTest
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{
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@Test
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public void testMakeReadMessage()
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{
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ArrayList<String> colList = new ArrayList<String>();
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colList.add("col1");
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colList.add("col2");
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ReadCommand rm, rm2;
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rm = new SliceByNamesReadCommand("Table1", "row1", "foo", colList);
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rm2 = serializeAndDeserializeReadMessage(rm);
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assert rm2.toString().equals(rm.toString());
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rm = new ColumnReadCommand("Table1", "row1", "foo:col1");
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rm2 = serializeAndDeserializeReadMessage(rm);
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assert rm2.toString().equals(rm.toString());
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rm = new RowReadCommand("Table1", "row1");
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rm2 = serializeAndDeserializeReadMessage(rm);
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assert rm2.toString().equals(rm.toString());
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rm = new ColumnsSinceReadCommand("Table1", "row1", "foo", 1);
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rm2 = serializeAndDeserializeReadMessage(rm);
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assert rm2.toString().equals(rm.toString());
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rm = new SliceReadCommand("Table1", "row1", "foo", 1, 2);
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rm2 = serializeAndDeserializeReadMessage(rm);
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assert rm2.toString().equals(rm.toString());
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rm = new SliceByRangeReadCommand("Table1", "row1", "foo", "a", "z", 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)
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{
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ReadCommand rm2 = null;
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ReadCommandSerializer rms = ReadCommand.serializer();
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DataOutputBuffer dos = new DataOutputBuffer();
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DataInputBuffer dis = new DataInputBuffer();
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try
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{
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rms.serialize(rm, dos);
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dis.reset(dos.getData(), dos.getLength());
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rm2 = rms.deserialize(dis);
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}
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catch (IOException e)
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{
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throw new RuntimeException(e);
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}
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return rm2;
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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("Table1");
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RowMutation rm;
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// add data
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rm = new RowMutation("Table1", "key1");
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rm.add("Standard1:Column1", "abcd".getBytes(), 0);
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rm.apply();
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ReadCommand command = new ColumnReadCommand("Table1", "key1", "Standard1:Column1");
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Row row = command.getRow(table);
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ColumnFamily cf = row.getColumnFamily("Standard1");
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IColumn col = cf.getColumn("Column1");
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assert Arrays.equals(((Column)col).value(), "abcd".getBytes());
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}
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}
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