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* 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.
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package org.apache.hadoop.chukwa.datacollection.adaptor;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintWriter;
import org.apache.hadoop.chukwa.Chunk;
import org.apache.hadoop.chukwa.datacollection.agent.ChukwaAgent;
import org.apache.hadoop.chukwa.datacollection.connector.ChunkCatcherConnector;
import org.apache.hadoop.conf.Configuration;
import org.apache.log4j.Level;
import org.apache.log4j.Logger;
import junit.framework.TestCase;
public class TestFileAdaptor extends TestCase {
Configuration conf = new Configuration();
File baseDir;
File testFile;
ChunkCatcherConnector chunks;
public TestFileAdaptor() throws IOException {
baseDir = new File(System.getProperty("test.build.data", "/tmp"));
conf.setInt("chukwaAgent.control.port", 0);
conf.set("chukwaAgent.checkpoint.dir", baseDir.getCanonicalPath());
conf.setBoolean("chukwaAgent.checkpoint.enabled", false);
conf.setInt("chukwaAgent.adaptor.fileadaptor.timeoutperiod", 100);
conf.setInt("chukwaAgent.adaptor.context.switch.time", 100);
testFile = makeTestFile();
chunks = new ChunkCatcherConnector();
chunks.start();
}
public File makeTestFile() throws IOException {
File inDir = File.createTempFile("atemp", "file", baseDir);
inDir.deleteOnExit();
FileOutputStream fos = new FileOutputStream(inDir);
PrintWriter pw = new PrintWriter(fos);
for (int i = 0; i < 10; ++i) {
pw.print(i + " ");
pw.println("abcdefghijklmnopqrstuvwxyz");
}
pw.flush();
pw.close();
return inDir;
}
public void testOnce() throws IOException,
ChukwaAgent.AlreadyRunningException, InterruptedException {
ChukwaAgent agent = new ChukwaAgent(conf);
assertEquals(0, agent.adaptorCount());
agent.processAddCommand("add test = FileAdaptor raw " +testFile.getCanonicalPath() + " 0");
assertEquals(1, agent.adaptorCount());
Chunk c = chunks.waitForAChunk(5000);
assertNotNull(c);
String dat = new String(c.getData());
assertTrue(dat.startsWith("0 abcdefghijklmnopqrstuvwxyz"));
assertTrue(dat.endsWith("9 abcdefghijklmnopqrstuvwxyz\n"));
assertTrue(c.getDataType().equals("raw"));
agent.shutdown();
}
public void testRepeatedly() throws IOException,
ChukwaAgent.AlreadyRunningException, InterruptedException {
int tests = 10; //SHOULD SET HIGHER AND WATCH WITH lsof to find leaks
ChukwaAgent agent = new ChukwaAgent(conf);
for(int i=0; i < tests; ++i) {
if(i % 100 == 0)
System.out.println("buzzed " + i + " times");
assertEquals(0, agent.adaptorCount());
agent.processAddCommand("add test = FileAdaptor raw " +testFile.getCanonicalPath() + " 0");
assertEquals(1, agent.adaptorCount());
Chunk c = chunks.waitForAChunk(5000);
assertNotNull(c);
String dat = new String(c.getData());
assertTrue(dat.startsWith("0 abcdefghijklmnopqrstuvwxyz"));
assertTrue(dat.endsWith("9 abcdefghijklmnopqrstuvwxyz\n"));
assertTrue(c.getDataType().equals("raw"));
if(agent.adaptorCount() > 0)
agent.stopAdaptor("test", false);
}
agent.shutdown();
}
}