com.soebes.supose.core.scan.IndexMergeTest.java Source code

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Here is the source code for com.soebes.supose.core.scan.IndexMergeTest.java

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/**
 * The (Su)bversion Re(po)sitory (S)earch (E)ngine (SupoSE for short).
 *
 * Copyright (c) 2007-2011 by SoftwareEntwicklung Beratung Schulung (SoEBeS)
 * Copyright (c) 2007-2011 by Karl Heinz Marbaise
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 *
 * The License can viewed online under http://www.gnu.org/licenses/gpl.html
 * If you have any questions about the Software or about the license
 * just write an email to license@soebes.de
 */
package com.soebes.supose.core.scan;

import java.io.File;

import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.store.FSDirectory;
import org.testng.annotations.AfterClass;
import org.testng.annotations.Test;

import com.soebes.supose.core.index.Index;

import static org.testng.Assert.*;

@Test
public class IndexMergeTest {

    static public boolean deleteDirectory(String fileName) {
        File f = new File(fileName);
        return deleteDirectory(f);
    }

    static public boolean deleteDirectory(File path) {
        if (path.exists()) {
            File[] files = path.listFiles();
            for (int i = 0; i < files.length; i++) {
                if (files[i].isDirectory()) {
                    deleteDirectory(files[i]);
                } else {
                    files[i].delete();
                }
            }
        }
        return (path.delete());
    }

    private static void addTokenizedField(Document doc, String fieldName, String value) {
        doc.add(new Field(fieldName, value, Field.Store.YES, Field.Index.ANALYZED));
    }

    @AfterClass
    public void afterClass() {
        assertTrue(deleteDirectory("index1"), "Something wrong during deletion of index1");
        assertTrue(deleteDirectory("index2"), "Something wrong during deletion of index2");
        assertTrue(deleteDirectory("result"), "Something wrong during deletion of result");
    }

    // 1. Create index with some contents
    // 2. Create an other index with some contents
    // 3. merge the two indexes..

    public void testIndex1() throws Exception {
        Index index = new Index();
        IndexWriter indexWriter = index.createIndexWriter("index1");
        Document doc = new Document();
        addTokenizedField(doc, "revision", "1");
        addTokenizedField(doc, "revision", "2");
        indexWriter.addDocument(doc);
        indexWriter.close();
    }

    public void testIndex2() throws Exception {
        Index index = new Index();
        IndexWriter indexWriter = index.createIndexWriter("index2");
        Document doc = new Document();
        addTokenizedField(doc, "revision", "3");
        addTokenizedField(doc, "revision", "4");
        indexWriter.addDocument(doc);
        indexWriter.close();
    }

    @Test(dependsOnMethods = { "testIndex1", "testIndex2" })
    public void testMergeIndexes() throws Exception {
        Index index = new Index();

        IndexWriter indexWriter = index.createIndexWriter("result");

        FSDirectory fsDirs[] = { FSDirectory.getDirectory("index1"), FSDirectory.getDirectory("index2") };

        indexWriter.addIndexesNoOptimize(fsDirs);
        indexWriter.optimize();
        indexWriter.close();
    }

}