public void testMultipleCachefiles()
{
try {
boolean mayExit = false;
MiniMRCluster mr = null;
MiniDFSCluster dfs = null;
try{
Configuration conf = new Configuration();
dfs = new MiniDFSCluster(conf, 1, true, null);
FileSystem fileSys = dfs.getFileSystem();
String namenode = fileSys.getName();
mr = new MiniMRCluster(1, namenode, 3);
// During tests, the default Configuration will use a local mapred
// So don't specify -config or -cluster
String strJobtracker = "mapred.job.tracker=" + "localhost:" + mr.getJobTrackerPort();
String strNamenode = "fs.default.name=" + namenode;
String argv[] = new String[] {
"-input", INPUT_FILE,
"-output", OUTPUT_DIR,
"-mapper", map,
"-reducer", reduce,
//"-verbose",
//"-jobconf", "stream.debug=set"
"-jobconf", strNamenode,
"-jobconf", strJobtracker,
"-jobconf", "stream.tmpdir="+System.getProperty("test.build.data","/tmp"),
"-jobconf", "mapred.child.java.opts=-Dcontrib.name=" + System.getProperty("contrib.name") + " " +
"-Dbuild.test=" + System.getProperty("build.test") + " " +
conf.get("mapred.child.java.opts",""),
"-cacheFile", "hdfs://"+fileSys.getName()+CACHE_FILE + "#" + mapString,
"-cacheFile", "hdfs://"+fileSys.getName()+CACHE_FILE_2 + "#" + mapString2
};
fileSys.delete(new Path(OUTPUT_DIR));
DataOutputStream file = fileSys.create(new Path(INPUT_FILE));
file.writeBytes(mapString + "\n");
file.writeBytes(mapString2 + "\n");
file.close();
file = fileSys.create(new Path(CACHE_FILE));
file.writeBytes(cacheString);
file.close();
file = fileSys.create(new Path(CACHE_FILE_2));
file.writeBytes(cacheString2);
file.close();
job = new StreamJob(argv, mayExit);
job.go();
fileSys = dfs.getFileSystem();
String line = null;
String line2 = null;
Path[] fileList = fileSys.listPaths(new Path(OUTPUT_DIR));
for (int i = 0; i < fileList.length; i++){
System.out.println(fileList[i].toString());
BufferedReader bread =
new BufferedReader(new InputStreamReader(fileSys.open(fileList[i])));
line = bread.readLine();
System.out.println(line);
line2 = bread.readLine();
System.out.println(line2);
}
assertEquals(cacheString + "\t", line);
assertEquals(cacheString2 + "\t", line2);
} finally{
if (dfs != null) { dfs.shutdown(); }
if (mr != null) { mr.shutdown();}
}
} catch(Exception e) {
failTrace(e);