package org.apache.lucene.benchmark.byTask.feeds;
/**
* 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.BufferedWriter;
import java.io.File;
import java.io.FileOutputStream;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.util.Properties;
import org.apache.commons.compress.compressors.CompressorStreamFactory;
import org.apache.lucene.analysis.SimpleAnalyzer;
import org.apache.lucene.benchmark.BenchmarkTestCase;
import org.apache.lucene.benchmark.byTask.PerfRunData;
import org.apache.lucene.benchmark.byTask.tasks.AddDocTask;
import org.apache.lucene.benchmark.byTask.tasks.CloseIndexTask;
import org.apache.lucene.benchmark.byTask.tasks.CreateIndexTask;
import org.apache.lucene.benchmark.byTask.tasks.TaskSequence;
import org.apache.lucene.benchmark.byTask.tasks.WriteLineDocTask;
import org.apache.lucene.benchmark.byTask.utils.Config;
import org.apache.lucene.index.Term;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.TermQuery;
import org.apache.lucene.search.TopDocs;
/** Tests the functionality of {@link LineDocSource}. */
public class LineDocSourceTest extends BenchmarkTestCase {
private static final CompressorStreamFactory csFactory = new CompressorStreamFactory();
private void createBZ2LineFile(File file) throws Exception {
OutputStream out = new FileOutputStream(file);
out = csFactory.createCompressorOutputStream("bzip2", out);
BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(out, "utf-8"));
StringBuffer doc = new StringBuffer();
doc.append("title").append(WriteLineDocTask.SEP).append("date").append(WriteLineDocTask.SEP).append("body");
writer.write(doc.toString());
writer.newLine();
writer.close();
}
private void createRegularLineFile(File file) throws Exception {
OutputStream out = new FileOutputStream(file);
BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(out, "utf-8"));
StringBuffer doc = new StringBuffer();
doc.append("title").append(WriteLineDocTask.SEP).append("date").append(WriteLineDocTask.SEP).append("body");
writer.write(doc.toString());
writer.newLine();
writer.close();
}
private void doIndexAndSearchTest(File file, boolean setBZCompress,
String bz2CompressVal) throws Exception {
Properties props = new Properties();
// LineDocSource specific settings.
props.setProperty("docs.file", file.getAbsolutePath());
if (setBZCompress) {
props.setProperty("bzip.compression", bz2CompressVal);
}
// Indexing configuration.
props.setProperty("analyzer", SimpleAnalyzer.class.getName());
props.setProperty("content.source", LineDocSource.class.getName());
props.setProperty("directory", "RAMDirectory");
// Create PerfRunData
Config config = new Config(props);
PerfRunData runData = new PerfRunData(config);
TaskSequence tasks = new TaskSequence(runData, "testBzip2", null, false);
tasks.addTask(new CreateIndexTask(runData));
tasks.addTask(new AddDocTask(runData));
tasks.addTask(new CloseIndexTask(runData));
tasks.doLogic();
IndexSearcher searcher = new IndexSearcher(runData.getDirectory(), true);
TopDocs td = searcher.search(new TermQuery(new Term("body", "body")), 10);
assertEquals(1, td.totalHits);
assertNotNull(td.scoreDocs[0]);
searcher.close();
}
/* Tests LineDocSource with a bzip2 input stream. */
public void testBZip2() throws Exception {
File file = new File(getWorkDir(), "one-line.bz2");
createBZ2LineFile(file);
doIndexAndSearchTest(file, true, "true");
}
public void testBZip2AutoDetect() throws Exception {
File file = new File(getWorkDir(), "one-line.bz2");
createBZ2LineFile(file);
doIndexAndSearchTest(file, false, null);
}
public void testRegularFile() throws Exception {
File file = new File(getWorkDir(), "one-line");
createRegularLineFile(file);
doIndexAndSearchTest(file, false, null);
}
public void testInvalidFormat() throws Exception {
String[] testCases = new String[] {
"", // empty line
"title", // just title
"title" + WriteLineDocTask.SEP, // title + SEP
"title" + WriteLineDocTask.SEP + "body", // title + SEP + body
// note that title + SEP + body + SEP is a valid line, which results in an
// empty body
};
for (int i = 0; i < testCases.length; i++) {
File file = new File(getWorkDir(), "one-line");
BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(file), "utf-8"));
writer.write(testCases[i]);
writer.newLine();
writer.close();
try {
doIndexAndSearchTest(file, false, null);
fail("Some exception should have been thrown for: [" + testCases[i] + "]");
} catch (Exception e) {
// expected.
}
}
}
}