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add simple FVH test 

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1437308 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Simon Willnauer 2013-01-23 09:35:53 +00:00
parent 384e45b699
commit 86a4215d76
1 changed files with 65 additions and 0 deletions
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65
lucene/highlighter/src/test/org/apache/lucene/search/vectorhighlight/FastVectorHighlighterTest.java Normal file
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package org.apache.lucene.search.vectorhighlight;
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import java.io.IOException;
import org.apache.lucene.analysis.MockAnalyzer;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.document.FieldType;
import org.apache.lucene.document.TextField;
import org.apache.lucene.index.DirectoryReader;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.index.Term;
import org.apache.lucene.search.TermQuery;
import org.apache.lucene.store.Directory;
import org.apache.lucene.util.LuceneTestCase;
public class FastVectorHighlighterTest extends LuceneTestCase {
public void testSimpleHighlightTest() throws IOException {
Directory dir = newDirectory();
IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random())));
Document doc = new Document();
FieldType type = new FieldType(TextField.TYPE_STORED);
type.setStoreTermVectorOffsets(true);
type.setStoreTermVectorPositions(true);
type.setStoreTermVectors(true);
type.freeze();
Field field = new Field("field", "This is a test where foo is highlighed and should be highlighted", type);
doc.add(field);
writer.addDocument(doc);
FastVectorHighlighter highlighter = new FastVectorHighlighter();
IndexReader reader = DirectoryReader.open(writer, true);
int docId = 0;
FieldQuery fieldQuery = highlighter.getFieldQuery( new TermQuery(new Term("field", "foo")), reader );
String[] bestFragments = highlighter.getBestFragments(fieldQuery, reader, docId, "field", 54, 1);
// highlighted results are centered
assertEquals("This is a test where <b>foo</b> is highlighed and should be highlighted", bestFragments[0]);
bestFragments = highlighter.getBestFragments(fieldQuery, reader, docId, "field", 52, 1);
assertEquals("This is a test where <b>foo</b> is highlighed and should be", bestFragments[0]);
bestFragments = highlighter.getBestFragments(fieldQuery, reader, docId, "field", 30, 1);
assertEquals("a test where <b>foo</b> is highlighed", bestFragments[0]);
reader.close();
writer.close();
dir.close();
}
}