internal virtual Path GetJobAttemptPath(JobContext context)
{
Path @out = GetOutputPath(context);
return(@out == null ? null : FileOutputCommitter.GetJobAttemptPath(context, @out));
}
/// <exception cref="System.IO.IOException"/>
public virtual void TestFailAbort()
{
JobConf job = new JobConf();
job.Set(FileSystem.FsDefaultNameKey, "faildel:///");
job.SetClass("fs.faildel.impl", typeof(TestMRCJCFileOutputCommitter.FakeFileSystem
), typeof(FileSystem));
SetConfForFileOutputCommitter(job);
JobContext jContext = new JobContextImpl(job, ((JobID)taskID.GetJobID()));
TaskAttemptContext tContext = new TaskAttemptContextImpl(job, taskID);
FileOutputCommitter committer = new FileOutputCommitter();
FileOutputFormat.SetWorkOutputPath(job, committer.GetTaskAttemptPath(tContext));
// do setup
committer.SetupJob(jContext);
committer.SetupTask(tContext);
string file = "test.txt";
FilePath jobTmpDir = new FilePath(committer.GetJobAttemptPath(jContext).ToUri().GetPath
());
FilePath taskTmpDir = new FilePath(committer.GetTaskAttemptPath(tContext).ToUri()
.GetPath());
FilePath expectedFile = new FilePath(taskTmpDir, file);
// A reporter that does nothing
Reporter reporter = Reporter.Null;
// write output
FileSystem localFs = new TestMRCJCFileOutputCommitter.FakeFileSystem();
TextOutputFormat theOutputFormat = new TextOutputFormat();
RecordWriter theRecordWriter = theOutputFormat.GetRecordWriter(localFs, job, expectedFile
.GetAbsolutePath(), reporter);
WriteOutput(theRecordWriter, reporter);
// do abort
Exception th = null;
try
{
committer.AbortTask(tContext);
}
catch (IOException ie)
{
th = ie;
}
NUnit.Framework.Assert.IsNotNull(th);
NUnit.Framework.Assert.IsTrue(th is IOException);
NUnit.Framework.Assert.IsTrue(th.Message.Contains("fake delete failed"));
NUnit.Framework.Assert.IsTrue(expectedFile + " does not exists", expectedFile.Exists
());
th = null;
try
{
committer.AbortJob(jContext, JobStatus.State.Failed);
}
catch (IOException ie)
{
th = ie;
}
NUnit.Framework.Assert.IsNotNull(th);
NUnit.Framework.Assert.IsTrue(th is IOException);
NUnit.Framework.Assert.IsTrue(th.Message.Contains("fake delete failed"));
NUnit.Framework.Assert.IsTrue("job temp dir does not exists", jobTmpDir.Exists());
}