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1   /**
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *     http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  package org.apache.hadoop.hbase.types;
19  
20  import static org.junit.Assert.assertEquals;
21  import static org.junit.Assert.assertTrue;
22  
23  import org.apache.hadoop.hbase.Cell;
24  import org.apache.hadoop.hbase.CellComparator;
25  import org.apache.hadoop.hbase.KeyValue;
26  import org.apache.hadoop.hbase.protobuf.ProtobufUtil;
27  import org.apache.hadoop.hbase.protobuf.generated.CellProtos;
28  import org.apache.hadoop.hbase.util.Bytes;
29  import org.apache.hadoop.hbase.util.PositionedByteRange;
30  import org.apache.hadoop.hbase.util.SimplePositionedByteRange;
31  import org.junit.Test;
32  
33  public class TestPBCell {
34  
35    private static final PBCell CODEC = new PBCell();
36  
37    /**
38     * Basic test to verify utility methods in {@link PBType} and delegation to protobuf works.
39     */
40    @Test
41    public void testRoundTrip() {
42      final Cell cell = new KeyValue(Bytes.toBytes("row"), Bytes.toBytes("fam"),
43        Bytes.toBytes("qual"), Bytes.toBytes("val"));
44      CellProtos.Cell c = ProtobufUtil.toCell(cell), decoded;
45      PositionedByteRange pbr = new SimplePositionedByteRange(c.getSerializedSize());
46      pbr.setPosition(0);
47      int encodedLength = CODEC.encode(pbr, c);
48      pbr.setPosition(0);
49      decoded = CODEC.decode(pbr);
50      assertEquals(encodedLength, pbr.getPosition());
51      assertTrue(CellComparator.equals(cell, ProtobufUtil.toCell(decoded)));
52    }
53  }