-
Notifications
You must be signed in to change notification settings - Fork 2.3k
/
TruncateLogCommandTest.java
89 lines (74 loc) · 3.41 KB
/
TruncateLogCommandTest.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
/*
* Copyright (c) 2002-2017 "Neo Technology,"
* Network Engine for Objects in Lund AB [http://neotechnology.com]
*
* This file is part of Neo4j.
*
* Neo4j is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.neo4j.causalclustering.core.consensus.outcome;
import org.junit.Test;
import org.neo4j.causalclustering.core.consensus.log.RaftLogEntry;
import org.neo4j.causalclustering.core.consensus.log.segmented.InFlightMap;
import org.neo4j.logging.AssertableLogProvider;
import org.neo4j.logging.Log;
import org.neo4j.logging.NullLog;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.neo4j.causalclustering.core.consensus.ReplicatedInteger.valueOf;
import static org.neo4j.logging.AssertableLogProvider.inLog;
public class TruncateLogCommandTest
{
@Test
public void applyTo() throws Exception
{
//Test that truncate commands correctly remove entries from the cache.
//given
AssertableLogProvider logProvider = new AssertableLogProvider();
Log log = logProvider.getLog( getClass() );
long fromIndex = 2L;
TruncateLogCommand truncateLogCommand = new TruncateLogCommand( fromIndex );
InFlightMap<RaftLogEntry> inFlightMap = new InFlightMap<>( true );
inFlightMap.put( 0L, new RaftLogEntry( 0L, valueOf( 0 ) ) );
inFlightMap.put( 1L, new RaftLogEntry( 1L, valueOf( 1 ) ) );
inFlightMap.put( 2L, new RaftLogEntry( 2L, valueOf( 2 ) ) );
inFlightMap.put( 3L, new RaftLogEntry( 3L, valueOf( 3 ) ) );
//when
truncateLogCommand.applyTo( inFlightMap, log );
//then
assertNotNull( inFlightMap.get( 0L ) );
assertNotNull( inFlightMap.get( 1L ) );
assertNull( inFlightMap.get( 2L ) );
assertNull( inFlightMap.get( 3L ) );
logProvider.assertAtLeastOnce( inLog( getClass() )
.debug( "Start truncating in-flight-map from index %d. Current map:%n%s", fromIndex, inFlightMap ) );
}
@Test
public void shouldTruncateWithGaps() throws Exception
{
//given
long fromIndex = 1L;
TruncateLogCommand truncateLogCommand = new TruncateLogCommand( fromIndex );
InFlightMap<RaftLogEntry> inFlightMap = new InFlightMap<>( true );
inFlightMap.put( 0L, new RaftLogEntry( 0L, valueOf( 0 ) ) );
inFlightMap.put( 2L, new RaftLogEntry( 1L, valueOf( 1 ) ) );
inFlightMap.put( 4L, new RaftLogEntry( 2L, valueOf( 2 ) ) );
truncateLogCommand.applyTo( inFlightMap, NullLog.getInstance() );
inFlightMap.put( 1L, new RaftLogEntry( 3L, valueOf( 1 ) ) );
inFlightMap.put( 2L, new RaftLogEntry( 4L, valueOf( 2 ) ) );
assertNotNull( inFlightMap.get( 0L ) );
assertNotNull( inFlightMap.get( 1L ) );
assertNotNull( inFlightMap.get( 2L ) );
}
}