001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.types;
019
020import static org.junit.Assert.assertEquals;
021
022import org.apache.hadoop.hbase.HBaseClassTestRule;
023import org.apache.hadoop.hbase.example.protobuf.generated.CellMessage;
024import org.apache.hadoop.hbase.testclassification.MiscTests;
025import org.apache.hadoop.hbase.testclassification.SmallTests;
026import org.apache.hadoop.hbase.util.PositionedByteRange;
027import org.apache.hadoop.hbase.util.SimplePositionedByteRange;
028import org.junit.ClassRule;
029import org.junit.Test;
030import org.junit.experimental.categories.Category;
031
032import org.apache.hbase.thirdparty.com.google.protobuf.ByteString;
033
034@Category({ SmallTests.class, MiscTests.class })
035public class TestPBCell {
036
037  @ClassRule
038  public static final HBaseClassTestRule CLASS_RULE = HBaseClassTestRule.forClass(TestPBCell.class);
039
040  private static final PBCell CODEC = new PBCell();
041
042  /**
043   * Basic test to verify utility methods in {@link PBType} and delegation to protobuf works.
044   */
045  @Test
046  public void testRoundTrip() {
047    CellMessage.Cell cell =
048      CellMessage.Cell.newBuilder().setRow(ByteString.copyFromUtf8("row")).build();
049    PositionedByteRange pbr = new SimplePositionedByteRange(cell.getSerializedSize());
050    pbr.setPosition(0);
051    int encodedLength = CODEC.encode(pbr, cell);
052    pbr.setPosition(0);
053    CellMessage.Cell decoded = CODEC.decode(pbr);
054    assertEquals(encodedLength, pbr.getPosition());
055    assertEquals("row", decoded.getRow().toStringUtf8());
056  }
057}