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.client;
019
020import static org.junit.Assert.assertArrayEquals;
021
022import java.io.IOException;
023import org.apache.hadoop.hbase.HBaseClassTestRule;
024import org.apache.hadoop.hbase.HBaseTestingUtility;
025import org.apache.hadoop.hbase.TableName;
026import org.apache.hadoop.hbase.KeyValue;
027import org.apache.hadoop.hbase.Cell;
028import org.apache.hadoop.hbase.testclassification.ClientTests;
029import org.apache.hadoop.hbase.testclassification.MediumTests;
030import org.junit.AfterClass;
031import org.junit.BeforeClass;
032import org.junit.ClassRule;
033import org.junit.Test;
034import org.junit.experimental.categories.Category;
035
036import java.util.List;
037import java.util.ArrayList;
038
039/**
040 * Testcase for HBASE-21032, where use the wrong readType from a Scan instance which is actually a
041 * get scan and cause returning only 1 cell per rpc call.
042 */
043@Category({ ClientTests.class, MediumTests.class })
044public class TestGetScanColumnsWithNewVersionBehavior {
045
046  @ClassRule
047  public static final HBaseClassTestRule CLASS_RULE =
048    HBaseClassTestRule.forClass(TestGetScanColumnsWithNewVersionBehavior.class);
049
050  private final static HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();
051  private static final TableName TABLE = TableName.valueOf("table");
052  private static final byte[] CF = { 'c', 'f' };
053  private static final byte[] ROW = { 'r', 'o', 'w' };
054  private static final byte[] COLA = { 'a' };
055  private static final byte[] COLB = { 'b' };
056  private static final byte[] COLC = { 'c' };
057  private static final long TS = 42;
058
059  @BeforeClass
060  public static void setUp() throws Exception {
061    TEST_UTIL.startMiniCluster(1);
062    ColumnFamilyDescriptor cd = ColumnFamilyDescriptorBuilder
063        .newBuilder(CF)
064        .setNewVersionBehavior(true)
065        .build();
066    TEST_UTIL.createTable(TableDescriptorBuilder
067        .newBuilder(TABLE)
068        .setColumnFamily(cd)
069        .build(), null);
070  }
071
072  @AfterClass
073  public static void tearDown() throws Exception {
074    TEST_UTIL.shutdownMiniCluster();
075  }
076
077  @Test
078  public void test() throws IOException {
079    try (Table t = TEST_UTIL.getConnection().getTable(TABLE)) {
080      Cell [] expected = new Cell[2];
081      expected[0] = new KeyValue(ROW, CF, COLA, TS, COLA);
082      expected[1] = new KeyValue(ROW, CF, COLC, TS, COLC);
083
084      Put p = new Put(ROW);
085      p.addColumn(CF, COLA, TS, COLA);
086      p.addColumn(CF, COLB, TS, COLB);
087      p.addColumn(CF, COLC, TS, COLC);
088      t.put(p);
089
090      // check get request
091      Get get = new Get(ROW);
092      get.addColumn(CF, COLA);
093      get.addColumn(CF, COLC);
094      Result getResult = t.get(get);
095      assertArrayEquals(expected, getResult.rawCells());
096
097      // check scan request
098      Scan scan = new Scan(ROW);
099      scan.addColumn(CF, COLA);
100      scan.addColumn(CF, COLC);
101      ResultScanner scanner = t.getScanner(scan);
102      List scanResult = new ArrayList<Cell>();
103      for (Result result = scanner.next(); (result != null); result = scanner.next()) {
104          scanResult.addAll(result.listCells());
105      }
106      assertArrayEquals(expected, scanResult.toArray(new Cell[scanResult.size()]));
107    }
108  }
109}