org.apache.uima.lucas.indexer.IndexWriterProviderImplTest.java Source code

Introduction

Here is the source code for org.apache.uima.lucas.indexer.IndexWriterProviderImplTest.java

Source

/*
 * 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.
 */

package org.apache.uima.lucas.indexer;

import static org.easymock.EasyMock.createMock;
import static org.easymock.EasyMock.expect;
import static org.easymock.EasyMock.replay;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;

import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.lang.management.ManagementFactory;
import java.net.InetAddress;
import java.net.UnknownHostException;

import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.store.FSDirectory;
import org.apache.uima.resource.DataResource;
import org.apache.uima.resource.ResourceInitializationException;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;

public class IndexWriterProviderImplTest {

    private static final String fileSep = System.getProperty("file.separator");

    private static final String TEST_INDEX = "src" + fileSep + "test" + fileSep + "resources" + fileSep
            + "test-index";

    private static final String RESOURCES_TEST_INDEX_PROPERTIES = "src" + fileSep + "test" + fileSep + "resources"
            + fileSep + "IndexWriter.properties";

    private IndexWriterProviderImpl indexWriterProviderImpl;

    private DataResource dataResource;

    private InputStream propertiesInputStream;

    @Before
    public void setUp() throws IOException {
        indexWriterProviderImpl = new IndexWriterProviderImpl();
        dataResource = createMock(DataResource.class);
        FileInputStream fileInputStream = new FileInputStream(RESOURCES_TEST_INDEX_PROPERTIES);
        propertiesInputStream = new BufferedInputStream(fileInputStream);
    }

    @After
    public void tearDown() throws Exception {

        FSDirectory directory = (FSDirectory) indexWriterProviderImpl.getIndexWriter().getDirectory();
        File directoryFile = directory.getFile();

        directory = FSDirectory.getDirectory(directoryFile);
        IndexWriter.unlock(directory);

        for (String file : directory.list())
            directory.deleteFile(file);

        directory.getFile().delete();
    }

    @Test
    public void testLoadData() throws IOException, ResourceInitializationException {

        expect(dataResource.getInputStream()).andReturn(propertiesInputStream);
        replay(dataResource);

        indexWriterProviderImpl.load(dataResource);
        IndexWriter indexWriter = indexWriterProviderImpl.getIndexWriter();
        FSDirectory fsDirectory = (FSDirectory) indexWriter.getDirectory();

        String hostname = getHostName();
        String pid = getPID();

        String writerPath = fsDirectory.getFile().getAbsolutePath();
        assertTrue(writerPath.contains(TEST_INDEX + "-" + hostname + "-" + pid));
        assertEquals(513, indexWriter.getRAMBufferSizeMB(), 0.5);
        assertEquals(9999, indexWriter.getMaxFieldLength(), 0.5);

        String random = writerPath.substring(writerPath.lastIndexOf("-") + 1);
        assertTrue(random.matches("\\d+"));
    }

    protected String getPID() {
        String id = ManagementFactory.getRuntimeMXBean().getName();
        return id.substring(0, id.indexOf("@"));
    }

    public String getHostName() {
        InetAddress address;
        String hostName;
        try {
            address = InetAddress.getLocalHost();
            hostName = address.getHostName();
        } catch (UnknownHostException e) {
            throw new IllegalStateException(e);
        }
        return hostName;
    }
}