package org.apache.lucene.document;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.index.IndexableField;
import org.apache.lucene.index.RandomIndexWriter;
import org.apache.lucene.store.Directory;
import org.apache.lucene.util.BytesRef;
import org.apache.lucene.util.LuceneTestCase;
/*
* 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
{
FieldType ft = new FieldType();
ft.setStored(true);
IndexableField binaryFldStored = new StoredField("binaryStored", binaryValStored.getBytes("UTF-8"));
IndexableField stringFldStored = new Field("stringStored", binaryValStored, ft);
Document doc = new Document();
doc.add(binaryFldStored);
doc.add(stringFldStored);
/** test for field count */
assertEquals(2, doc.getFields().size());
/** add the doc to a ram index */
Directory dir = newDirectory();
RandomIndexWriter writer = new RandomIndexWriter(random(), dir);
writer.addDocument(doc);
/** open a reader and fetch the document */
IndexReader reader = writer.getReader();
Document docFromReader = reader.document(0);
assertTrue(docFromReader != null);
/** fetch the binary stored field and compare it's content with the original one */
BytesRef bytes = docFromReader.getBinaryValue("binaryStored");
assertNotNull(bytes);
String binaryFldStoredTest = new String(bytes.bytes, bytes.offset, bytes.length, "UTF-8");
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));
writer.close();
reader.close();
dir.close();
}
public void testCompressionTools() throws Exception {
IndexableField binaryFldCompressed = new StoredField("binaryCompressed", CompressionTools.compress(binaryValCompressed.getBytes("UTF-8")));
IndexableField stringFldCompressed = new StoredField("stringCompressed", CompressionTools.compressString(binaryValCompressed));
Document doc = new Document();
doc.add(binaryFldCompressed);
doc.add(stringFldCompressed);
/** add the doc to a ram index */
Directory dir = newDirectory();
RandomIndexWriter writer = new RandomIndexWriter(random(), dir);
writer.addDocument(doc);
/** open a reader and fetch the document */
IndexReader reader = writer.getReader();
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")), "UTF-8");
assertTrue(binaryFldCompressedTest.equals(binaryValCompressed));
assertTrue(CompressionTools.decompressString(docFromReader.getBinaryValue("stringCompressed")).equals(binaryValCompressed));
writer.close();
reader.close();
dir.close();
}
}