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IndexEntryConflictExceptionTest.java
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IndexEntryConflictExceptionTest.java
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/*
* 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 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.api.exceptions.index;
import org.junit.Test;
import org.neo4j.kernel.api.StatementConstants;
import org.neo4j.kernel.api.schema_new.LabelSchemaDescriptor;
import org.neo4j.kernel.api.schema_new.OrderedPropertyValues;
import org.neo4j.kernel.api.schema_new.SchemaDescriptorFactory;
import org.neo4j.kernel.api.schema_new.SchemaUtil;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.equalTo;
public class IndexEntryConflictExceptionTest
{
public static final int labelId = 1;
@Test
public void shouldMakeEntryConflicts()
{
LabelSchemaDescriptor schema = SchemaDescriptorFactory.forLabel( labelId, 2 );
OrderedPropertyValues values = new OrderedPropertyValues( "hi" );
IndexEntryConflictException e = new IndexEntryConflictException( 0L, 1L, values );
assertThat( e.evidenceMessage( SchemaUtil.idTokenNameLookup, schema ),
equalTo( "Both Node(0) and Node(1) have the label `label[1]` and property `property[2]` = 'hi'" ) );
}
@Test
public void shouldMakeEntryConflictsForOneNode()
{
LabelSchemaDescriptor schema = SchemaDescriptorFactory.forLabel( labelId, 2 );
OrderedPropertyValues values = new OrderedPropertyValues( "hi" );
IndexEntryConflictException e = new IndexEntryConflictException( 0L, StatementConstants.NO_SUCH_NODE, values );
assertThat( e.evidenceMessage( SchemaUtil.idTokenNameLookup, schema ),
equalTo( "Node(0) already exists with label `label[1]` and property `property[2]` = 'hi'" ) );
}
@Test
public void shouldMakeCompositeEntryConflicts()
{
LabelSchemaDescriptor schema = SchemaDescriptorFactory.forLabel( labelId, 2, 3, 4 );
OrderedPropertyValues values = new OrderedPropertyValues( true, "hi", new long[]{6L, 4L} );
IndexEntryConflictException e = new IndexEntryConflictException( 0L, 1L, values );
assertThat( e.evidenceMessage( SchemaUtil.idTokenNameLookup, schema ),
equalTo( "Both Node(0) and Node(1) have the label `label[1]` " +
"and properties `property[2]` = true, `property[3]` = 'hi', `property[4]` = [6, 4]" ) );
}
}