-
Notifications
You must be signed in to change notification settings - Fork 2.3k
/
ExpressionEngineConfigurationTest.java
153 lines (130 loc) · 5.1 KB
/
ExpressionEngineConfigurationTest.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
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
/*
* Copyright (c) 2002-2018 "Neo4j,"
* Neo4j Sweden AB [http://neo4j.com]
*
* This file is part of Neo4j Enterprise Edition. The included source
* code can be redistributed and/or modified under the terms of the
* GNU AFFERO GENERAL PUBLIC LICENSE Version 3
* (http://www.fsf.org/licensing/licenses/agpl-3.0.html) with the
* Commons Clause, as found in the associated LICENSE.txt file.
*
* 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.
*
* Neo4j object code can be licensed independently from the source
* under separate terms from the AGPL. Inquiries can be directed to:
* licensing@neo4j.com
*
* More information is also available at:
* https://neo4j.com/licensing/
*/
package org.neo4j.cypher.internal.javacompat;
import org.junit.jupiter.api.Test;
import org.neo4j.cypher.internal.EnterpriseCompilerFactory;
import org.neo4j.graphdb.GraphDatabaseService;
import org.neo4j.graphdb.factory.GraphDatabaseSettings;
import org.neo4j.logging.AssertableLogProvider;
import org.neo4j.test.TestGraphDatabaseFactory;
import static org.hamcrest.CoreMatchers.containsString;
import static org.hamcrest.Matchers.anyOf;
import static org.neo4j.logging.AssertableLogProvider.inLog;
class ExpressionEngineConfigurationTest
{
private final AssertableLogProvider logProvider = new AssertableLogProvider();
@Test
void shouldBeUsingInterpretedByDefault()
{
// Given
String query = "RETURN sin(cos(sin(cos(rand()))))";
GraphDatabaseService db = withEngineAndLimit( "DEFAULT", 0 );
int manyTimes = 10;
for ( int i = 0; i < manyTimes; i++ )
{
assertNotUsingCompiled( db, query );
}
}
@Test
void shouldNotUseCompiledExpressionsFirstTimeWithJitEnabled()
{
assertNotUsingCompiled( withEngineAndLimit( "ONLY_WHEN_HOT", 1 ), "RETURN sin(cos(sin(cos(rand()))))" );
}
@Test
void shouldUseCompiledExpressionsFirstTimeWhenLimitIsZero()
{
assertUsingCompiled( withEngineAndLimit( "ONLY_WHEN_HOT", 0 ), "RETURN sin(cos(sin(cos(rand()))))" );
}
@Test
void shouldUseCompiledExpressionsWhenQueryIsHotWithJitEnabled()
{
// Given
String query = "RETURN sin(cos(sin(cos(rand()))))";
GraphDatabaseService db = withEngineAndLimit( "ONLY_WHEN_HOT", 3 );
// When
db.execute( query );
db.execute( query );
db.execute( query );
// Then
assertUsingCompiled( db, query );
}
@Test
void shouldUseCompiledExpressionsFirstTimeWhenConfigured()
{
assertUsingCompiled( withEngineAndLimit( "COMPILED", 42 ), "RETURN sin(cos(sin(cos(rand()))))" );
}
@Test
void shouldUseCompiledExpressionsFirstTimeWhenExplicitlyAskedFor()
{
assertUsingCompiled( withEngineAndLimit( "ONLY_WHEN_HOT", 42 ),
"CYPHER expressionEngine=COMPILED RETURN sin(cos(sin(cos(rand()))))" );
}
@Test
void shouldNotUseCompiledExpressionsWhenExplicitlyAskingForInterpreted()
{
assertNotUsingCompiled( withEngineAndLimit( "COMPILED", 42 ),
"CYPHER expressionEngine=INTERPRETED RETURN sin(cos(sin(cos(rand()))))" );
}
@Test
void shouldUseCompiledExpressionsEvenIfPotentiallyCached()
{
// Given
String query = "RETURN sin(cos(sin(cos(rand()))))";
GraphDatabaseService db = withEngineAndLimit( "INTERPRETED", 0 );
// When
db.execute( query );
// Then
assertUsingCompiled( db, "CYPHER expressionEngine=COMPILED " + query );
}
private GraphDatabaseService withEngineAndLimit( String engine, int limit )
{
return new TestGraphDatabaseFactory().
setInternalLogProvider( logProvider )
.newImpermanentDatabaseBuilder()
.setConfig( GraphDatabaseSettings.cypher_expression_engine, engine )
.setConfig( GraphDatabaseSettings.cypher_expression_recompilation_limit, Integer.toString( limit ) )
.newGraphDatabase();
}
private void assertUsingCompiled( GraphDatabaseService db, String query )
{
logProvider.clear();
db.execute( query ).resultAsString();
logProvider.assertAtLeastOnce(
inLog( EnterpriseCompilerFactory.class )
.debug( anyOf(
containsString( "Compiling expression:" ),
containsString( "Compiling projection:" )
) ) );
}
private void assertNotUsingCompiled( GraphDatabaseService db, String query )
{
logProvider.clear();
db.execute( query ).resultAsString();
logProvider.assertNone(
inLog( EnterpriseCompilerFactory.class )
.debug( anyOf(
containsString( "Compiling expression:" ),
containsString( "Compiling projection:" )
) ) );
}
}