/*
* 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.analyzer;
import java.util.HashSet;
import java.util.Set;
import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.Token;
import org.apache.lucene.queryparser.classic.QueryParser;
import org.hibernate.Transaction;
import org.hibernate.annotations.common.reflection.ReflectionManager;
import org.hibernate.annotations.common.reflection.XClass;
import org.hibernate.boot.registry.classloading.internal.ClassLoaderServiceImpl;
import org.hibernate.search.FullTextQuery;
import org.hibernate.search.FullTextSession;
import org.hibernate.search.Search;
import org.hibernate.search.exception.SearchException;
import org.hibernate.search.engine.SearchFactory;
import org.hibernate.search.cfg.impl.SearchConfigurationFromHibernateCore;
import org.hibernate.search.engine.metadata.impl.AnnotationMetadataProvider;
import org.hibernate.search.engine.metadata.impl.MetadataProvider;
import org.hibernate.search.impl.ConfigContext;
import org.hibernate.search.test.SearchTestBase;
import org.hibernate.search.testsupport.TestConstants;
import org.hibernate.search.testsupport.setup.BuildContextForTest;
import org.hibernate.search.util.AnalyzerUtils;
import org.hibernate.search.util.logging.impl.Log;
import org.hibernate.search.util.logging.impl.LoggerFactory;
import org.junit.Assert;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
/**
* @author Emmanuel Bernard
* @author Hardy Ferentschik
*/
public class AnalyzerTest extends SearchTestBase {
public static final Log log = LoggerFactory.make();
@Test
public void testAnalyzerDiscriminator() throws Exception {
Article germanArticle = new Article();
germanArticle.setLanguage( "de" );
germanArticle.setText( "aufeinanderschl\u00FCgen" );
Set<Article> references = new HashSet<Article>();
references.add( germanArticle );
Article englishArticle = new Article();
englishArticle.setLanguage( "en" );
englishArticle.setText( "acknowledgment" );
englishArticle.setReferences( references );
FullTextSession s = Search.getFullTextSession( openSession() );
Transaction tx = s.beginTransaction();
s.persist( englishArticle );
tx.commit();
tx = s.beginTransaction();
// at query time we use a standard analyzer. We explicitly search for tokens which can only be found if the
// right language specific stemmer was used at index time
QueryParser parser = new QueryParser(
TestConstants.getTargetLuceneVersion(),
"references.text",
TestConstants.standardAnalyzer
);
org.apache.lucene.search.Query luceneQuery = parser.parse( "aufeinanderschlug" );
FullTextQuery query = s.createFullTextQuery( luceneQuery );
assertEquals( 1, query.getResultSize() );
parser = new QueryParser( TestConstants.getTargetLuceneVersion(), "text", TestConstants.standardAnalyzer );
luceneQuery = parser.parse( "acknowledg" );
query = s.createFullTextQuery( luceneQuery );
assertEquals( 1, query.getResultSize() );
tx.commit();
s.close();
}
@Test
public void testMultipleAnalyzerDiscriminatorDefinitions() {
SearchConfigurationFromHibernateCore searchConfig = new SearchConfigurationFromHibernateCore(
getCfg(),
new ClassLoaderServiceImpl() // ORM internal class. Should be ok for testing (HF)
);
ReflectionManager reflectionManager = searchConfig.getReflectionManager();
XClass xclass = reflectionManager.toXClass( BlogEntry.class );
ConfigContext context = new ConfigContext( searchConfig, new BuildContextForTest( searchConfig ) );
MetadataProvider metadataProvider = new AnnotationMetadataProvider(
searchConfig.getReflectionManager(),
context
);
try {
metadataProvider.getTypeMetadataFor( reflectionManager.toClass( xclass ) );
fail();
}
catch (SearchException e) {
assertTrue(
"Wrong error message",
e.getMessage().startsWith( "Multiple AnalyzerDiscriminator defined in the same class hierarchy" )
);
}
}
@Test
public void testScopedAnalyzers() throws Exception {
MyEntity en = new MyEntity();
en.setEntity( "Entity" );
en.setField( "Field" );
en.setProperty( "Property" );
en.setComponent( new MyComponent() );
en.getComponent().setComponentProperty( "component property" );
FullTextSession s = Search.getFullTextSession( openSession() );
Transaction tx = s.beginTransaction();
s.persist( en );
tx.commit();
tx = s.beginTransaction();
QueryParser parser = new QueryParser(
TestConstants.getTargetLuceneVersion(),
"id",
TestConstants.standardAnalyzer
);
org.apache.lucene.search.Query luceneQuery = parser.parse( "entity:alarm" );
FullTextQuery query = s.createFullTextQuery( luceneQuery, MyEntity.class );
assertEquals( 1, query.getResultSize() );
luceneQuery = parser.parse( "property:cat" );
query = s.createFullTextQuery( luceneQuery, MyEntity.class );
assertEquals( 1, query.getResultSize() );
luceneQuery = parser.parse( "field:energy" );
query = s.createFullTextQuery( luceneQuery, MyEntity.class );
assertEquals( 1, query.getResultSize() );
luceneQuery = parser.parse( "component.componentProperty:noise" );
query = s.createFullTextQuery( luceneQuery, MyEntity.class );
assertEquals( 1, query.getResultSize() );
s.delete( query.uniqueResult() );
tx.commit();
s.close();
}
@Test
public void testScopedAnalyzersFromSearchFactory() throws Exception {
FullTextSession session = Search.getFullTextSession( openSession() );
SearchFactory searchFactory = session.getSearchFactory();
Analyzer analyzer = searchFactory.getAnalyzer( MyEntity.class );
// you can pass what so ever into the analysis since the used analyzers are
// returning the same tokens all the time. We just want to make sure that
// the right analyzers are used.
Token[] tokens = AnalyzerUtils.tokensFromAnalysis( analyzer, "entity", "" );
assertTokensEqual( tokens, new String[] { "alarm", "dog", "performance" } );
tokens = AnalyzerUtils.tokensFromAnalysis( analyzer, "property", "" );
assertTokensEqual( tokens, new String[] { "sound", "cat", "speed" } );
tokens = AnalyzerUtils.tokensFromAnalysis( analyzer, "field", "" );
assertTokensEqual( tokens, new String[] { "music", "elephant", "energy" } );
tokens = AnalyzerUtils.tokensFromAnalysis( analyzer, "component.componentProperty", "" );
assertTokensEqual( tokens, new String[] { "noise", "mouse", "light" } );
// test border cases
try {
searchFactory.getAnalyzer( (Class) null );
}
catch (IllegalArgumentException iae) {
log.debug( "success" );
}
try {
searchFactory.getAnalyzer( String.class );
}
catch (IllegalArgumentException iae) {
log.debug( "success" );
}
session.close();
}
@Test
public void testNotAnalyzedFieldAndScopedAnalyzer() throws Exception {
FullTextSession session = Search.getFullTextSession( openSession() );
SearchFactory searchFactory = session.getSearchFactory();
Analyzer analyzer = searchFactory.getAnalyzer( MyEntity.class );
// you can pass what so ever into the analysis since the used analyzers are
// returning the same tokens all the time. We just want to make sure that
// the right analyzers are used.
Token[] tokens = AnalyzerUtils.tokensFromAnalysis( analyzer, "notAnalyzed", "pass through" );
assertTokensEqual( tokens, new String[] { "pass through" } );
session.close();
}
public static void assertTokensEqual(Token[] tokens, String[] strings) {
Assert.assertEquals( strings.length, tokens.length );
for ( int i = 0; i < tokens.length; i++ ) {
Assert.assertEquals( "index " + i, strings[i], AnalyzerUtils.getTermText( tokens[i] ) );
}
}
@Override
protected Class<?>[] getAnnotatedClasses() {
return new Class[] { MyEntity.class, Article.class };
}
}