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Use IndexOrder.NONE instead of null to indicate no ordering required
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86 changes: 86 additions & 0 deletions
86
...unity/kernel/src/test/java/org/neo4j/storageengine/api/schema/DefaultIndexReaderTest.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,86 @@ | ||
| /* | ||
| * 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.storageengine.api.schema; | ||
|
|
||
| import org.hamcrest.Matchers; | ||
| import org.junit.Rule; | ||
| import org.junit.Test; | ||
| import org.junit.rules.ExpectedException; | ||
|
|
||
| import org.neo4j.collection.primitive.PrimitiveLongIterator; | ||
| import org.neo4j.internal.kernel.api.IndexOrder; | ||
| import org.neo4j.internal.kernel.api.IndexQuery; | ||
| import org.neo4j.kernel.api.exceptions.index.IndexNotApplicableKernelException; | ||
| import org.neo4j.values.storable.Value; | ||
|
|
||
| public class DefaultIndexReaderTest | ||
| { | ||
| @Rule | ||
| public ExpectedException expectedException = ExpectedException.none(); | ||
|
|
||
| @Test | ||
| public void defaultQueryImplementationMustThrowForUnsupportedIndexOrder() throws Exception | ||
| { | ||
| // Given | ||
| IndexReader indexReader = stubIndexReader(); | ||
|
|
||
| // Then | ||
| expectedException.expect( UnsupportedOperationException.class ); | ||
| String expectedMessage = String.format( "This reader only have support for index order %s. Provided index order was %s.", | ||
| IndexOrder.NONE, IndexOrder.ASCENDING ); | ||
| expectedException.expectMessage( Matchers.containsString( expectedMessage ) ); | ||
| indexReader.query( new SimpleNodeValueClient(), IndexOrder.ASCENDING, IndexQuery.exists( 1 ) ); | ||
| } | ||
|
|
||
| private IndexReader stubIndexReader() | ||
| { | ||
| return new IndexReader() | ||
| { | ||
| @Override | ||
| public long countIndexedNodes( long nodeId, Value... propertyValues ) | ||
| { | ||
| return 0; | ||
| } | ||
|
|
||
| @Override | ||
| public IndexSampler createSampler() | ||
| { | ||
| return null; | ||
| } | ||
|
|
||
| @Override | ||
| public PrimitiveLongIterator query( IndexQuery... predicates ) throws IndexNotApplicableKernelException | ||
| { | ||
| return null; | ||
| } | ||
|
|
||
| @Override | ||
| public boolean hasFullNumberPrecision( IndexQuery... predicates ) | ||
| { | ||
| return false; | ||
| } | ||
|
|
||
| @Override | ||
| public void close() | ||
| { | ||
| } | ||
| }; | ||
| } | ||
| } |