/*
* 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.hadoop.chukwa.datacollection.adaptor.filetailer;
import java.io.*;
import junit.framework.TestCase;
import org.apache.hadoop.chukwa.conf.ChukwaConfiguration;
import java.util.Map;
import java.util.Iterator;
import org.apache.hadoop.chukwa.Chunk;
import org.apache.hadoop.chukwa.datacollection.adaptor.*;
import org.apache.hadoop.chukwa.datacollection.agent.ChukwaAgent;
import org.apache.hadoop.chukwa.datacollection.controller.ChukwaAgentController;
import org.apache.hadoop.chukwa.datacollection.connector.ChunkCatcherConnector;
import org.apache.hadoop.conf.Configuration;
public class TestRawAdaptor extends TestCase {
ChunkCatcherConnector chunks;
public TestRawAdaptor() {
chunks = new ChunkCatcherConnector();
chunks.start();
}
public void testRawAdaptor() throws Exception {
System.out.println("testing raw fta");
runTest("FileTailingAdaptor");
}
public void testLWRawAdaptor() throws Exception {
System.out.println("testing lightweight fta");
runTest("LWFTAdaptor");
}
public void runTest(String name) throws IOException, InterruptedException,
ChukwaAgent.AlreadyRunningException {
// Remove any adaptor left over from previous run
Configuration conf = new Configuration();
conf.set("chukwaAgent.control.port", "0");
conf.setInt("chukwaAgent.adaptor.context.switch.time", 100);
ChukwaAgent agent = new ChukwaAgent(conf);
File testFile = makeTestFile("chukwaRawTest", 80);
String adaptorId = agent
.processAddCommand("add org.apache.hadoop.chukwa.datacollection.adaptor."
+"filetailer." + name
+ " raw " + testFile + " 0");
assertNotNull(adaptorId);
Chunk c = chunks.waitForAChunk(1000);
assertNotNull(c);
assertEquals(testFile.length(), c.getData().length);
assertTrue(c.getDataType().equals("raw"));
assertTrue(c.getRecordOffsets().length == 1);
assertTrue(c.getSeqID() == testFile.length());
c = chunks.waitForAChunk(1000);
assertNull(c);
agent.stopAdaptor(adaptorId, false);
agent.shutdown();
}
/**
*
* @param name
* @param size size in lines
* @return
* @throws IOException
*/
public static File makeTestFile(String name, int size) throws IOException {
File tmpOutput = new File(System.getProperty("test.build.data", "/tmp"),
name);
FileOutputStream fos = new FileOutputStream(tmpOutput);
PrintWriter pw = new PrintWriter(fos);
for (int i = 0; i < size; ++i) {
pw.print(i + " ");
pw.println("abcdefghijklmnopqrstuvwxyz");
}
pw.flush();
pw.close();
return tmpOutput;
}
}