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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  
19  package org.apache.hadoop.hbase.codec.prefixtree.row.data;
20  
21  import java.util.List;
22  
23  import org.apache.hadoop.hbase.KeyValue;
24  import org.apache.hadoop.hbase.KeyValueUtil;
25  import org.apache.hadoop.hbase.codec.prefixtree.PrefixTreeBlockMeta;
26  import org.apache.hadoop.hbase.codec.prefixtree.row.BaseTestRowData;
27  import org.apache.hadoop.hbase.codec.prefixtree.scanner.CellScannerPosition;
28  import org.apache.hadoop.hbase.codec.prefixtree.scanner.CellSearcher;
29  import org.apache.hadoop.hbase.util.Bytes;
30  import org.junit.Assert;
31  
32  import com.google.common.collect.Lists;
33  
34  public class TestRowDataTrivial extends BaseTestRowData{
35  
36    static byte[]
37      rA = Bytes.toBytes("rA"),
38      rB = Bytes.toBytes("rB"),//turn "r" into a branch for the Searcher tests
39      cf = Bytes.toBytes("fam"),
40      cq0 = Bytes.toBytes("q0"),
41      v0 = Bytes.toBytes("v0");
42  
43    static long ts = 55L;
44  
45    static List<KeyValue> d = Lists.newArrayList();
46    static {
47      d.add(new KeyValue(rA, cf, cq0, ts, v0));
48      d.add(new KeyValue(rB, cf, cq0, ts, v0));
49    }
50  
51    @Override
52    public List<KeyValue> getInputs() {
53      return d;
54    }
55  
56    @Override
57    public void individualBlockMetaAssertions(PrefixTreeBlockMeta blockMeta) {
58      // node[0] -> root[r]
59      // node[1] -> leaf[A], etc
60      Assert.assertEquals(2, blockMeta.getRowTreeDepth());
61    }
62  
63    @Override
64    public void individualSearcherAssertions(CellSearcher searcher) {
65      /**
66       * The searcher should get a token mismatch on the "r" branch. Assert that it skips not only rA,
67       * but rB as well.
68       */
69      KeyValue afterLast = KeyValueUtil.createFirstOnRow(Bytes.toBytes("zzz"));
70      CellScannerPosition position = searcher.positionAtOrAfter(afterLast);
71      Assert.assertEquals(CellScannerPosition.AFTER_LAST, position);
72      Assert.assertNull(searcher.current());
73    }
74  }