package org.apache.lucene.benchmark.byTask.utils;
/*
* 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.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import org.apache.commons.compress.compressors.CompressorStreamFactory;
import org.apache.lucene.benchmark.BenchmarkTestCase;
import org.apache.lucene.benchmark.byTask.utils.StreamUtils;
import org.apache.lucene.util.IOUtils;
import org.apache.lucene.util._TestUtil;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
public class StreamUtilsTest extends BenchmarkTestCase {
private static final String TEXT = "Some-Text...";
private File testDir;
@Test
public void testGetInputStreamPlainText() throws Exception {
assertReadText(rawTextFile("txt"));
assertReadText(rawTextFile("TXT"));
}
@Test
public void testGetInputStreamGzip() throws Exception {
assertReadText(rawGzipFile("gz"));
assertReadText(rawGzipFile("gzip"));
assertReadText(rawGzipFile("GZ"));
assertReadText(rawGzipFile("GZIP"));
}
@Test
public void testGetInputStreamBzip2() throws Exception {
assertReadText(rawBzip2File("bz2"));
assertReadText(rawBzip2File("bzip"));
assertReadText(rawBzip2File("BZ2"));
assertReadText(rawBzip2File("BZIP"));
}
@Test
public void testGetOutputStreamBzip2() throws Exception {
assertReadText(autoOutFile("bz2"));
assertReadText(autoOutFile("bzip"));
assertReadText(autoOutFile("BZ2"));
assertReadText(autoOutFile("BZIP"));
}
@Test
public void testGetOutputStreamGzip() throws Exception {
assertReadText(autoOutFile("gz"));
assertReadText(autoOutFile("gzip"));
assertReadText(autoOutFile("GZ"));
assertReadText(autoOutFile("GZIP"));
}
@Test
public void testGetOutputStreamPlain() throws Exception {
assertReadText(autoOutFile("txt"));
assertReadText(autoOutFile("text"));
assertReadText(autoOutFile("TXT"));
assertReadText(autoOutFile("TEXT"));
}
private File rawTextFile(String ext) throws Exception {
File f = new File(testDir,"testfile." + ext);
BufferedWriter w = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(f), IOUtils.CHARSET_UTF_8));
w.write(TEXT);
w.newLine();
w.close();
return f;
}
private File rawGzipFile(String ext) throws Exception {
File f = new File(testDir,"testfile." + ext);
OutputStream os = new CompressorStreamFactory().createCompressorOutputStream(CompressorStreamFactory.GZIP, new FileOutputStream(f));
writeText(os);
return f;
}
private File rawBzip2File(String ext) throws Exception {
File f = new File(testDir,"testfile." + ext);
OutputStream os = new CompressorStreamFactory().createCompressorOutputStream(CompressorStreamFactory.BZIP2, new FileOutputStream(f));
writeText(os);
return f;
}
private File autoOutFile(String ext) throws Exception {
File f = new File(testDir,"testfile." + ext);
OutputStream os = StreamUtils.outputStream(f);
writeText(os);
return f;
}
private void writeText(OutputStream os) throws IOException {
BufferedWriter w = new BufferedWriter(new OutputStreamWriter(os, IOUtils.CHARSET_UTF_8));
w.write(TEXT);
w.newLine();
w.close();
}
private void assertReadText(File f) throws Exception {
InputStream ir = StreamUtils.inputStream(f);
InputStreamReader in = new InputStreamReader(ir, IOUtils.CHARSET_UTF_8);
BufferedReader r = new BufferedReader(in);
String line = r.readLine();
assertEquals("Wrong text found in "+f.getName(), TEXT, line);
r.close();
}
@Override
@Before
public void setUp() throws Exception {
super.setUp();
testDir = new File(getWorkDir(),"ContentSourceTest");
_TestUtil.rmDir(testDir);
assertTrue(testDir.mkdirs());
}
@Override
@After
public void tearDown() throws Exception {
_TestUtil.rmDir(testDir);
super.tearDown();
}
}