/// <exception cref="System.Exception"/>
public virtual void TestCommitter()
{
Job job = Job.GetInstance();
FileOutputFormat.SetOutputPath(job, outDir);
Configuration conf = job.GetConfiguration();
conf.Set(MRJobConfig.TaskAttemptId, attempt);
JobContext jContext = new JobContextImpl(conf, taskID.GetJobID());
TaskAttemptContext tContext = new TaskAttemptContextImpl(conf, taskID);
FileOutputCommitter committer = new FileOutputCommitter(outDir, tContext);
// setup
committer.SetupJob(jContext);
committer.SetupTask(tContext);
// write output
TextOutputFormat theOutputFormat = new TextOutputFormat();
RecordWriter theRecordWriter = theOutputFormat.GetRecordWriter(tContext);
WriteOutput(theRecordWriter, tContext);
// do commit
committer.CommitTask(tContext);
committer.CommitJob(jContext);
// validate output
FilePath expectedFile = new FilePath(new Path(outDir, partFile).ToString());
StringBuilder expectedOutput = new StringBuilder();
expectedOutput.Append(key1).Append('\t').Append(val1).Append("\n");
expectedOutput.Append(val1).Append("\n");
expectedOutput.Append(val2).Append("\n");
expectedOutput.Append(key2).Append("\n");
expectedOutput.Append(key1).Append("\n");
expectedOutput.Append(key2).Append('\t').Append(val2).Append("\n");
string output = UtilsForTests.Slurp(expectedFile);
NUnit.Framework.Assert.AreEqual(output, expectedOutput.ToString());
FileUtil.FullyDelete(new FilePath(outDir.ToString()));
}
