public virtual void Test()
{
TestMRClientService.MRAppWithClientService app = new TestMRClientService.MRAppWithClientService
(this, 1, 0, false);
Configuration conf = new Configuration();
Org.Apache.Hadoop.Mapreduce.V2.App.Job.Job job = app.Submit(conf);
app.WaitForState(job, JobState.Running);
NUnit.Framework.Assert.AreEqual("Num tasks not correct", 1, job.GetTasks().Count);
IEnumerator <Task> it = job.GetTasks().Values.GetEnumerator();
Task task = it.Next();
app.WaitForState(task, TaskState.Running);
TaskAttempt attempt = task.GetAttempts().Values.GetEnumerator().Next();
app.WaitForState(attempt, TaskAttemptState.Running);
// send the diagnostic
string diagnostic1 = "Diagnostic1";
string diagnostic2 = "Diagnostic2";
app.GetContext().GetEventHandler().Handle(new TaskAttemptDiagnosticsUpdateEvent(attempt
.GetID(), diagnostic1));
// send the status update
TaskAttemptStatusUpdateEvent.TaskAttemptStatus taskAttemptStatus = new TaskAttemptStatusUpdateEvent.TaskAttemptStatus
();
taskAttemptStatus.id = attempt.GetID();
taskAttemptStatus.progress = 0.5f;
taskAttemptStatus.stateString = "RUNNING";
taskAttemptStatus.taskState = TaskAttemptState.Running;
taskAttemptStatus.phase = Phase.Map;
// send the status update
app.GetContext().GetEventHandler().Handle(new TaskAttemptStatusUpdateEvent(attempt
.GetID(), taskAttemptStatus));
//verify that all object are fully populated by invoking RPCs.
YarnRPC rpc = YarnRPC.Create(conf);
MRClientProtocol proxy = (MRClientProtocol)rpc.GetProxy(typeof(MRClientProtocol),
app.clientService.GetBindAddress(), conf);
GetCountersRequest gcRequest = recordFactory.NewRecordInstance <GetCountersRequest
>();
gcRequest.SetJobId(job.GetID());
NUnit.Framework.Assert.IsNotNull("Counters is null", proxy.GetCounters(gcRequest)
.GetCounters());
GetJobReportRequest gjrRequest = recordFactory.NewRecordInstance <GetJobReportRequest
>();
gjrRequest.SetJobId(job.GetID());
JobReport jr = proxy.GetJobReport(gjrRequest).GetJobReport();
VerifyJobReport(jr);
GetTaskAttemptCompletionEventsRequest gtaceRequest = recordFactory.NewRecordInstance
<GetTaskAttemptCompletionEventsRequest>();
gtaceRequest.SetJobId(job.GetID());
gtaceRequest.SetFromEventId(0);
gtaceRequest.SetMaxEvents(10);
NUnit.Framework.Assert.IsNotNull("TaskCompletionEvents is null", proxy.GetTaskAttemptCompletionEvents
(gtaceRequest).GetCompletionEventList());
GetDiagnosticsRequest gdRequest = recordFactory.NewRecordInstance <GetDiagnosticsRequest
>();
gdRequest.SetTaskAttemptId(attempt.GetID());
NUnit.Framework.Assert.IsNotNull("Diagnostics is null", proxy.GetDiagnostics(gdRequest
).GetDiagnosticsList());
GetTaskAttemptReportRequest gtarRequest = recordFactory.NewRecordInstance <GetTaskAttemptReportRequest
>();
gtarRequest.SetTaskAttemptId(attempt.GetID());
TaskAttemptReport tar = proxy.GetTaskAttemptReport(gtarRequest).GetTaskAttemptReport
();
VerifyTaskAttemptReport(tar);
GetTaskReportRequest gtrRequest = recordFactory.NewRecordInstance <GetTaskReportRequest
>();
gtrRequest.SetTaskId(task.GetID());
NUnit.Framework.Assert.IsNotNull("TaskReport is null", proxy.GetTaskReport(gtrRequest
).GetTaskReport());
GetTaskReportsRequest gtreportsRequest = recordFactory.NewRecordInstance <GetTaskReportsRequest
>();
gtreportsRequest.SetJobId(job.GetID());
gtreportsRequest.SetTaskType(TaskType.Map);
NUnit.Framework.Assert.IsNotNull("TaskReports for map is null", proxy.GetTaskReports
(gtreportsRequest).GetTaskReportList());
gtreportsRequest = recordFactory.NewRecordInstance <GetTaskReportsRequest>();
gtreportsRequest.SetJobId(job.GetID());
gtreportsRequest.SetTaskType(TaskType.Reduce);
NUnit.Framework.Assert.IsNotNull("TaskReports for reduce is null", proxy.GetTaskReports
(gtreportsRequest).GetTaskReportList());
IList <string> diag = proxy.GetDiagnostics(gdRequest).GetDiagnosticsList();
NUnit.Framework.Assert.AreEqual("Num diagnostics not correct", 1, diag.Count);
NUnit.Framework.Assert.AreEqual("Diag 1 not correct", diagnostic1, diag[0].ToString
());
TaskReport taskReport = proxy.GetTaskReport(gtrRequest).GetTaskReport();
NUnit.Framework.Assert.AreEqual("Num diagnostics not correct", 1, taskReport.GetDiagnosticsCount
());
//send the done signal to the task
app.GetContext().GetEventHandler().Handle(new TaskAttemptEvent(task.GetAttempts()
.Values.GetEnumerator().Next().GetID(), TaskAttemptEventType.TaDone));
app.WaitForState(job, JobState.Succeeded);
// For invalid jobid, throw IOException
gtreportsRequest = recordFactory.NewRecordInstance <GetTaskReportsRequest>();
gtreportsRequest.SetJobId(TypeConverter.ToYarn(JobID.ForName("job_1415730144495_0001"
)));
gtreportsRequest.SetTaskType(TaskType.Reduce);
try
{
proxy.GetTaskReports(gtreportsRequest);
NUnit.Framework.Assert.Fail("IOException not thrown for invalid job id");
}
catch (IOException)
{
}
}
//Test reports of JobHistoryServer. History server should get log files from MRApp and read them
/// <exception cref="System.Exception"/>
public virtual void TestReports()
{
Configuration config = new Configuration();
config.SetClass(CommonConfigurationKeysPublic.NetTopologyNodeSwitchMappingImplKey
, typeof(TestJobHistoryParsing.MyResolver), typeof(DNSToSwitchMapping));
RackResolver.Init(config);
MRApp app = new TestJobHistoryEvents.MRAppWithHistory(1, 1, true, this.GetType().
FullName, true);
app.Submit(config);
Org.Apache.Hadoop.Mapreduce.V2.App.Job.Job job = app.GetContext().GetAllJobs().Values
.GetEnumerator().Next();
app.WaitForState(job, JobState.Succeeded);
historyServer = new JobHistoryServer();
historyServer.Init(config);
historyServer.Start();
// search JobHistory service
JobHistory jobHistory = null;
foreach (Org.Apache.Hadoop.Service.Service service in historyServer.GetServices())
{
if (service is JobHistory)
{
jobHistory = (JobHistory)service;
}
}
IDictionary <JobId, Org.Apache.Hadoop.Mapreduce.V2.App.Job.Job> jobs = jobHistory.
GetAllJobs();
NUnit.Framework.Assert.AreEqual(1, jobs.Count);
NUnit.Framework.Assert.AreEqual("job_0_0000", jobs.Keys.GetEnumerator().Next().ToString
());
Task task = job.GetTasks().Values.GetEnumerator().Next();
TaskAttempt attempt = task.GetAttempts().Values.GetEnumerator().Next();
HistoryClientService historyService = historyServer.GetClientService();
MRClientProtocol protocol = historyService.GetClientHandler();
GetTaskAttemptReportRequest gtarRequest = recordFactory.NewRecordInstance <GetTaskAttemptReportRequest
>();
// test getTaskAttemptReport
TaskAttemptId taId = attempt.GetID();
taId.SetTaskId(task.GetID());
taId.GetTaskId().SetJobId(job.GetID());
gtarRequest.SetTaskAttemptId(taId);
GetTaskAttemptReportResponse response = protocol.GetTaskAttemptReport(gtarRequest
);
NUnit.Framework.Assert.AreEqual("container_0_0000_01_000000", response.GetTaskAttemptReport
().GetContainerId().ToString());
NUnit.Framework.Assert.IsTrue(response.GetTaskAttemptReport().GetDiagnosticInfo()
.IsEmpty());
// counters
NUnit.Framework.Assert.IsNotNull(response.GetTaskAttemptReport().GetCounters().GetCounter
(TaskCounter.PhysicalMemoryBytes));
NUnit.Framework.Assert.AreEqual(taId.ToString(), response.GetTaskAttemptReport().
GetTaskAttemptId().ToString());
// test getTaskReport
GetTaskReportRequest request = recordFactory.NewRecordInstance <GetTaskReportRequest
>();
TaskId taskId = task.GetID();
taskId.SetJobId(job.GetID());
request.SetTaskId(taskId);
GetTaskReportResponse reportResponse = protocol.GetTaskReport(request);
NUnit.Framework.Assert.AreEqual(string.Empty, reportResponse.GetTaskReport().GetDiagnosticsList
().GetEnumerator().Next());
// progress
NUnit.Framework.Assert.AreEqual(1.0f, reportResponse.GetTaskReport().GetProgress(
), 0.01);
// report has corrected taskId
NUnit.Framework.Assert.AreEqual(taskId.ToString(), reportResponse.GetTaskReport()
.GetTaskId().ToString());
// Task state should be SUCCEEDED
NUnit.Framework.Assert.AreEqual(TaskState.Succeeded, reportResponse.GetTaskReport
().GetTaskState());
// For invalid jobid, throw IOException
GetTaskReportsRequest gtreportsRequest = recordFactory.NewRecordInstance <GetTaskReportsRequest
>();
gtreportsRequest.SetJobId(TypeConverter.ToYarn(JobID.ForName("job_1415730144495_0001"
)));
gtreportsRequest.SetTaskType(TaskType.Reduce);
try
{
protocol.GetTaskReports(gtreportsRequest);
NUnit.Framework.Assert.Fail("IOException not thrown for invalid job id");
}
catch (IOException)
{
}
// Expected
// test getTaskAttemptCompletionEvents
GetTaskAttemptCompletionEventsRequest taskAttemptRequest = recordFactory.NewRecordInstance
<GetTaskAttemptCompletionEventsRequest>();
taskAttemptRequest.SetJobId(job.GetID());
GetTaskAttemptCompletionEventsResponse taskAttemptCompletionEventsResponse = protocol
.GetTaskAttemptCompletionEvents(taskAttemptRequest);
NUnit.Framework.Assert.AreEqual(0, taskAttemptCompletionEventsResponse.GetCompletionEventCount
());
// test getDiagnostics
GetDiagnosticsRequest diagnosticRequest = recordFactory.NewRecordInstance <GetDiagnosticsRequest
>();
diagnosticRequest.SetTaskAttemptId(taId);
GetDiagnosticsResponse diagnosticResponse = protocol.GetDiagnostics(diagnosticRequest
);
// it is strange : why one empty string ?
NUnit.Framework.Assert.AreEqual(1, diagnosticResponse.GetDiagnosticsCount());
NUnit.Framework.Assert.AreEqual(string.Empty, diagnosticResponse.GetDiagnostics(0
));
}