-
Notifications
You must be signed in to change notification settings - Fork 2.3k
/
SchemaProcedureIT.java
147 lines (131 loc) · 6.32 KB
/
SchemaProcedureIT.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
/*
* Copyright (c) 2002-2018 "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 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.neo4j.kernel.builtinprocs;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.LinkedList;
import org.neo4j.collection.RawIterator;
import org.neo4j.graphdb.Label;
import org.neo4j.graphdb.Node;
import org.neo4j.graphdb.Relationship;
import org.neo4j.internal.kernel.api.Procedures;
import org.neo4j.internal.kernel.api.SchemaWrite;
import org.neo4j.internal.kernel.api.exceptions.ProcedureException;
import org.neo4j.kernel.api.KernelTransaction;
import org.neo4j.kernel.api.schema.SchemaDescriptorFactory;
import org.neo4j.kernel.api.security.AnonymousContext;
import org.neo4j.kernel.impl.api.integrationtest.KernelIntegrationTest;
import org.neo4j.values.storable.Values;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.contains;
import static org.hamcrest.core.IsEqual.equalTo;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.neo4j.helpers.collection.Iterators.asList;
import static org.neo4j.internal.kernel.api.procs.ProcedureSignature.procedureName;
public class SchemaProcedureIT extends KernelIntegrationTest
{
@Rule
public ExpectedException exception = ExpectedException.none();
@Test
public void testEmptyGraph() throws Throwable
{
// Given the database is empty
// When
Procedures procs = procs();
RawIterator<Object[],ProcedureException> stream =
procs.procedureCallRead( procs.procedureGet( procedureName( "db", "schema" ) ).id(), new Object[0] );
// Then
assertThat( asList( stream ), contains( equalTo( new Object[]{new ArrayList<>(), new ArrayList<>()} ) ) );
commit();
}
@Test
public void testLabelIndex() throws Throwable
{
// Given there is label with index and a constraint
KernelTransaction transaction = newTransaction( AnonymousContext.writeToken() );
long nodeId = transaction.dataWrite().nodeCreate();
int labelId = transaction.tokenWrite().labelGetOrCreateForName( "Person" );
transaction.dataWrite().nodeAddLabel( nodeId, labelId );
int propertyIdName = transaction.tokenWrite().propertyKeyGetOrCreateForName( "name" );
int propertyIdAge = transaction.tokenWrite().propertyKeyGetOrCreateForName( "age" );
transaction.dataWrite()
.nodeSetProperty( nodeId, propertyIdName, Values.of( "Emil" ) );
commit();
SchemaWrite schemaOps = schemaWriteInNewTransaction();
schemaOps.indexCreate( SchemaDescriptorFactory.forLabel( labelId, propertyIdName ) );
schemaOps.uniquePropertyConstraintCreate( SchemaDescriptorFactory.forLabel( labelId, propertyIdAge ) );
commit();
// When
RawIterator<Object[],ProcedureException> stream =
procs().procedureCallRead( procs().procedureGet( procedureName( "db", "schema" ) ).id(),
new Object[0] );
// Then
while ( stream.hasNext() )
{
Object[] next = stream.next();
assertTrue( next.length == 2 );
ArrayList<Node> nodes = (ArrayList<Node>) next[0];
assertTrue( nodes.size() == 1 );
assertThat( nodes.get( 0 ).getLabels(), contains( equalTo( Label.label( "Person" ) ) ) );
assertEquals( "Person", nodes.get( 0 ).getAllProperties().get( "name" ) );
assertEquals( Collections.singletonList( "name" ), nodes.get( 0 ).getAllProperties().get( "indexes" ) );
assertEquals( Collections.singletonList( "CONSTRAINT ON ( person:Person ) ASSERT person.age IS UNIQUE" ),
nodes.get( 0 ).getAllProperties().get( "constraints" ) );
}
commit();
}
@Test
public void testRelationShip() throws Throwable
{
// Given there ar
KernelTransaction transaction = newTransaction( AnonymousContext.writeToken() );
long nodeIdPerson = transaction.dataWrite().nodeCreate();
int labelIdPerson = transaction.tokenWrite().labelGetOrCreateForName( "Person" );
transaction.dataWrite().nodeAddLabel( nodeIdPerson, labelIdPerson );
long nodeIdLocation = transaction.dataWrite().nodeCreate();
int labelIdLocation = transaction.tokenWrite().labelGetOrCreateForName( "Location" );
transaction.dataWrite().nodeAddLabel( nodeIdLocation, labelIdLocation );
int relationshipTypeId = transaction.tokenWrite().relationshipTypeGetOrCreateForName( "LIVES_IN" );
transaction.dataWrite().relationshipCreate( nodeIdPerson, relationshipTypeId, nodeIdLocation );
commit();
// When
RawIterator<Object[],ProcedureException> stream =
procs().procedureCallRead( procs().procedureGet( procedureName( "db", "schema" ) ).id(),
new Object[0] );
// Then
while ( stream.hasNext() )
{
Object[] next = stream.next();
assertTrue( next.length == 2 );
LinkedList<Relationship> relationships = (LinkedList<Relationship>) next[1];
assertTrue( relationships.size() == 1 );
assertEquals( "LIVES_IN", relationships.get( 0 ).getType().name() );
assertThat( relationships.get( 0 ).getStartNode().getLabels(),
contains( equalTo( Label.label( "Person" ) ) ) );
assertThat( relationships.get( 0 ).getEndNode().getLabels(),
contains( equalTo( Label.label( "Location" ) ) ) );
}
commit();
}
}