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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,
13   *   software distributed under the License is distributed on an
14   *   "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   *   KIND, either express or implied.  See the License for the
16   *   specific language governing permissions and limitations
17   *   under the License.
18   *
19   */
20  
21  package org.apache.directory.mavibot.btree;
22  
23  
24  import static org.junit.Assert.assertEquals;
25  
26  import java.io.File;
27  import java.util.ArrayList;
28  import java.util.List;
29  
30  import org.apache.directory.mavibot.btree.serializer.IntSerializer;
31  import org.junit.Ignore;
32  import org.junit.Test;
33  
34  
35  /**
36   * Test cases for ManagedBTreeBuilder.
37   *
38   * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
39   */
40  @Ignore("until ApacheDS works with mavibot")
41  public class PersistedBTreeBuilderTest
42  {
43  
44      @Test
45      public void testManagedBTreeBuilding() throws Exception
46      {
47          List<Tuple<Integer, Integer>> sortedTuple = new ArrayList<Tuple<Integer, Integer>>();
48  
49          for ( int i = 1; i < 8; i++ )
50          {
51              Tuple<Integer, Integer> t = new Tuple<Integer, Integer>( i, i );
52              sortedTuple.add( t );
53          }
54  
55          File file = File.createTempFile( "managedbtreebuilder", ".data" );
56          file.deleteOnExit();
57  
58          try
59          {
60              RecordManager rm = new RecordManager( file.getAbsolutePath() );
61  
62              IntSerializer ser = IntSerializer.INSTANCE;
63              PersistedBTreeBuilder<Integer, Integer> bb = new PersistedBTreeBuilder<Integer, Integer>( rm, "master", 4,
64                  ser,
65                  ser );
66  
67              // contains 1, 2, 3, 4, 5, 6, 7
68              BTree<Integer, Integer> btree = bb.build( sortedTuple.iterator() );
69  
70              rm.close();
71  
72              rm = new RecordManager( file.getAbsolutePath() );
73              btree = rm.getManagedTree( "master" );
74  
75              assertEquals( 1, btree.getRootPage().getNbElems() );
76  
77              assertEquals( 7, btree.getRootPage().findRightMost().getKey().intValue() );
78  
79              assertEquals( 1, btree.getRootPage().findLeftMost().getKey().intValue() );
80  
81              TupleCursor<Integer, Integer> cursor = btree.browse();
82              int i = 0;
83  
84              while ( cursor.hasNext() )
85              {
86                  Tuple<Integer, Integer> expected = sortedTuple.get( i++ );
87                  Tuple<Integer, Integer> actual = cursor.next();
88                  assertEquals( expected.getKey(), actual.getKey() );
89                  assertEquals( expected.getValue(), actual.getValue() );
90              }
91  
92              cursor.close();
93              btree.close();
94          }
95          finally
96          {
97              file.delete();
98          }
99      }
100 }