package org.apache.lucene.document;
import org.apache.lucene.util.LuceneTestCase;
import org.apache.lucene.analysis.standard.StandardAnalyzer;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.store.MockRAMDirectory;
/**
* 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.
*/
/**
* Tests {@link Document} class.
*/
public class TestBinaryDocument extends LuceneTestCase
{
String binaryValStored = "this text will be stored as a byte array in the index";
String binaryValCompressed = "this text will be also stored and compressed as a byte array in the index";
public void testBinaryFieldInIndex()
throws Exception
{
Fieldable binaryFldStored = new Field("binaryStored", binaryValStored.getBytes(), Field.Store.YES);
Fieldable stringFldStored = new Field("stringStored", binaryValStored, Field.Store.YES, Field.Index.NO, Field.TermVector.NO);
try {
// binary fields with store off are not allowed
new Field("fail", binaryValStored.getBytes(), Field.Store.NO);
fail();
}
catch (IllegalArgumentException iae) {
;
}
Document doc = new Document();
doc.add(binaryFldStored);
doc.add(stringFldStored);
/** test for field count */
assertEquals(2, doc.fields.size());
/** add the doc to a ram index */
MockRAMDirectory dir = new MockRAMDirectory();
IndexWriter writer = new IndexWriter(dir, new StandardAnalyzer(org.apache.lucene.util.Version.LUCENE_CURRENT), true, IndexWriter.MaxFieldLength.LIMITED);
writer.addDocument(doc);
writer.close();
/** open a reader and fetch the document */
IndexReader reader = IndexReader.open(dir, false);
Document docFromReader = reader.document(0);
assertTrue(docFromReader != null);
/** fetch the binary stored field and compare it's content with the original one */
String binaryFldStoredTest = new String(docFromReader.getBinaryValue("binaryStored"));
assertTrue(binaryFldStoredTest.equals(binaryValStored));
/** fetch the string field and compare it's content with the original one */
String stringFldStoredTest = docFromReader.get("stringStored");
assertTrue(stringFldStoredTest.equals(binaryValStored));
/** delete the document from index */
reader.deleteDocument(0);
assertEquals(0, reader.numDocs());
reader.close();
dir.close();
}
public void testCompressionTools()
throws Exception
{
Fieldable binaryFldCompressed = new Field("binaryCompressed", CompressionTools.compress(binaryValCompressed.getBytes()), Field.Store.YES);
Fieldable stringFldCompressed = new Field("stringCompressed", CompressionTools.compressString(binaryValCompressed), Field.Store.YES);
Document doc = new Document();
doc.add(binaryFldCompressed);
doc.add(stringFldCompressed);
/** add the doc to a ram index */
MockRAMDirectory dir = new MockRAMDirectory();
IndexWriter writer = new IndexWriter(dir, new StandardAnalyzer(org.apache.lucene.util.Version.LUCENE_CURRENT), true, IndexWriter.MaxFieldLength.LIMITED);
writer.addDocument(doc);
writer.close();
/** open a reader and fetch the document */
IndexReader reader = IndexReader.open(dir, false);
Document docFromReader = reader.document(0);
assertTrue(docFromReader != null);
/** fetch the binary compressed field and compare it's content with the original one */
String binaryFldCompressedTest = new String(CompressionTools.decompress(docFromReader.getBinaryValue("binaryCompressed")));
assertTrue(binaryFldCompressedTest.equals(binaryValCompressed));
assertTrue(CompressionTools.decompressString(docFromReader.getBinaryValue("stringCompressed")).equals(binaryValCompressed));
reader.close();
dir.close();
}
}