/*
* Hibernate Search, full-text search for your domain model
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later
* See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
*/
package org.hibernate.search.test.query.nullValues;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import java.util.List;
import java.util.Map;
import org.apache.lucene.document.Document;
import org.apache.lucene.queryparser.classic.ParseException;
import org.apache.lucene.queryparser.classic.QueryParser;
import org.apache.lucene.search.Query;
import org.hibernate.Transaction;
import org.hibernate.search.FullTextQuery;
import org.hibernate.search.FullTextSession;
import org.hibernate.search.Search;
import org.hibernate.search.test.SearchTestBase;
import org.hibernate.search.test.query.ProjectionToMapResultTransformer;
import org.hibernate.search.testsupport.TestConstants;
import org.hibernate.search.testsupport.TestForIssue;
import org.hibernate.search.testsupport.junit.SkipOnElasticsearch;
import org.junit.Test;
import org.junit.experimental.categories.Category;
/**
* Tests for indexing {@code null} values, asserting the actual document content.
*
* This is just for extra safety, there already are index/query tests in {@link IndexAndQueryNullTest}.
*
* @author Hardy Ferentschik
*/
@TestForIssue(jiraKey = "HSEARCH-115")
@Category(SkipOnElasticsearch.class) // Lucene documents cannot be accessed on Elasticsearch
public class IndexNullLuceneDocumentContentTest extends SearchTestBase {
@Test
public void testLuceneDocumentContainsNullToken() throws Exception {
Value nullValue = new Value( null );
FullTextSession fullTextSession = Search.getFullTextSession( openSession() );
Transaction tx = fullTextSession.beginTransaction();
getSession().save( nullValue );
tx.commit();
fullTextSession.clear();
tx = fullTextSession.beginTransaction();
Document document = getSingleIndexedDocument( fullTextSession );
String indexedNullString = document.get( "value" );
String expectedString = "_custom_token_";
assertEquals( "The null value should be indexed as " + expectedString, expectedString, indexedNullString );
tx.commit();
fullTextSession.close();
}
@Test
public void testConfiguredDefaultNullToken() throws Exception {
Value nullValue = new Value( null );
FullTextSession fullTextSession = Search.getFullTextSession( openSession() );
Transaction tx = fullTextSession.beginTransaction();
getSession().save( nullValue );
tx.commit();
fullTextSession.clear();
tx = fullTextSession.beginTransaction();
Document document = getSingleIndexedDocument( fullTextSession );
String indexedNullString = document.get( "fallback" );
String expectedString = "fubar";
assertEquals( "The null value should be indexed as " + expectedString, expectedString, indexedNullString );
tx.commit();
fullTextSession.close();
}
@Test
public void testNullIndexingWithCustomFieldBridge() throws Exception {
Value nullValue = new Value( null );
FullTextSession fullTextSession = Search.getFullTextSession( openSession() );
Transaction tx = fullTextSession.beginTransaction();
getSession().save( nullValue );
tx.commit();
fullTextSession.clear();
tx = fullTextSession.beginTransaction();
Document document = getSingleIndexedDocument( fullTextSession );
String indexedNullString = document.get( "dummy" );
String expectedString = "_dummy_";
assertEquals( "The null value should be indexed as " + expectedString, expectedString, indexedNullString );
tx.commit();
fullTextSession.close();
}
private Document getSingleIndexedDocument(FullTextSession fullTextSession) throws ParseException {
Query query = createLuceneQuery();
FullTextQuery fullTextQuery = fullTextSession.createFullTextQuery( query, Value.class );
fullTextQuery.setProjection(
FullTextQuery.DOCUMENT
);
fullTextQuery.setResultTransformer( new ProjectionToMapResultTransformer() );
List<?> mappedResults = fullTextQuery.list();
assertTrue( "Wrong result size", mappedResults.size() == 1 );
Map<?, ?> map = (Map<?, ?>) mappedResults.get( 0 );
Document document = (Document) map.get( FullTextQuery.DOCUMENT );
assertNotNull( document );
return document;
}
private Query createLuceneQuery() throws ParseException {
QueryParser parser = new QueryParser( "id", TestConstants.standardAnalyzer );
parser.setAllowLeadingWildcard( true );
return parser.parse( "*" );
}
@Override
public void configure(Map<String,Object> cfg) {
cfg.put( "hibernate.search.default_null_token", "fubar" );
}
@Override
public Class<?>[] getAnnotatedClasses() {
return new Class[] {
Value.class,
};
}
}