public void DataImportOrchestrationService_StartAndStop_StateIsUpdatedAccordingly()
{
var startingStateFlag = false;
var startedStateFlag = false;
var stoppingStateFlag = false;
var stoppedStateFlag = false;
var dataSourceWatcher = MockRepository.GenerateMock <IDataSourceWatcher>();
var dataImportFactory = MockRepository.GenerateMock <IDataImportFactory>();
var dataImportOrchestrationService = new DataImportOrchestrationService(dataSourceWatcher, dataImportFactory);
dataSourceWatcher.Stub(x => x.Start()).WhenCalled(mi => startingStateFlag = dataImportOrchestrationService.State == DataImportOrchestrationServiceState.Starting);
dataSourceWatcher.Stub(x => x.Stop()).WhenCalled(mi => stoppingStateFlag = dataImportOrchestrationService.State == DataImportOrchestrationServiceState.Stopping);
dataImportOrchestrationService.Start();
startedStateFlag = dataImportOrchestrationService.State == DataImportOrchestrationServiceState.Started;
dataImportOrchestrationService.Stop();
stoppedStateFlag = dataImportOrchestrationService.State == DataImportOrchestrationServiceState.Stopped;
Assert.IsTrue(startingStateFlag);
Assert.IsTrue(startedStateFlag);
Assert.IsTrue(stoppingStateFlag);
Assert.IsTrue(stoppedStateFlag);
}
public void DataImportOrchestrationService_StopWithoutStart_ExceptionIsThrown()
{
var dataSourceWatcher = MockRepository.GenerateMock <IDataSourceWatcher>();
var dataImportFactory = MockRepository.GenerateMock <IDataImportFactory>();
var dataImportOrchestrationService = new DataImportOrchestrationService(dataSourceWatcher, dataImportFactory);
dataImportOrchestrationService.Stop();
}
public void DataImportOrchestrationService_DataImportIsCanceled_AllEventsFireAsExpected()
{
var errorEventCount = 0;
var dataImportPreventedEventCount = 0;
var createDataImportErrorEventCount = 0;
var dataImportStartedEventCount = 0;
var dataImportCompletedEventCount = 0;
var dataImportCanceledEventCount = 0;
var dataImportErrorEventCount = 0;
var dataSourceWatcher = MockRepository.GenerateMock <IDataSourceWatcher>();
var dataImportFactory = MockRepository.GenerateMock <IDataImportFactory>();
var dataSource = MockRepository.GenerateMock <IDataSource>();
var dataImport = MockRepository.GenerateMock <IDataImport>();
using (var canStopSignal = new ManualResetEventSlim(false))
{
dataImportFactory.Stub(x => x.Create(Arg <IDataSource> .Is.Equal(dataSource))).Return(dataImport);
dataImport.Stub(x => x.TryRun(Arg <CancellationToken> .Is.Anything, out Arg <IEnumerable <RecordFailure> > .Out(null).Dummy))
.WhenCalled(mi =>
{
canStopSignal.Set();
throw new OperationCanceledException();
})
.Return(default(bool));
var dataImportOrchestrationService = new DataImportOrchestrationService(dataSourceWatcher, dataImportFactory);
dataImportOrchestrationService.Error += (sender, e) => errorEventCount++;
dataImportOrchestrationService.DataImportPrevented += (sender, e) => dataImportPreventedEventCount++;
dataImportOrchestrationService.CreateDataImportError += (sender, e) => createDataImportErrorEventCount++;
dataImportOrchestrationService.DataImportStarted += (sender, e) => dataImportStartedEventCount++;
dataImportOrchestrationService.DataImportCompleted += (sender, e) => dataImportCompletedEventCount++;
dataImportOrchestrationService.DataImportCanceled += (sender, e) => dataImportCanceledEventCount++;
dataImportOrchestrationService.DataImportError += (sender, e) => dataImportErrorEventCount++;
dataImportOrchestrationService.Start();
dataSourceWatcher.Raise(x => x.DataSourceAvailable += null, dataSourceWatcher, new DataSourceEventArgs(dataSource));
canStopSignal.Wait(TimeSpan.FromSeconds(1));
dataImportOrchestrationService.Stop();
}
Assert.AreEqual(0, errorEventCount);
Assert.AreEqual(0, dataImportPreventedEventCount);
Assert.AreEqual(0, createDataImportErrorEventCount);
Assert.AreEqual(1, dataImportStartedEventCount);
Assert.AreEqual(0, dataImportCompletedEventCount);
Assert.AreEqual(1, dataImportCanceledEventCount);
Assert.AreEqual(0, dataImportErrorEventCount);
}
public void DataImportOrchestrationService_NoDataSources_StartsAndStopsSuccessfully()
{
var errorEventCount = 0;
var dataImportPreventedEventCount = 0;
var createDataImportErrorEventCount = 0;
var dataImportStartedEventCount = 0;
var dataImportCompletedEventCount = 0;
var dataImportCanceledEventCount = 0;
var dataImportErrorEventCount = 0;
var dataSourceWatcher = MockRepository.GenerateMock <IDataSourceWatcher>();
var dataImportFactory = MockRepository.GenerateMock <IDataImportFactory>();
dataSourceWatcher.Expect(x => x.Start()).Repeat.Once();
dataSourceWatcher.Expect(x => x.DataSourceAvailable += Arg <EventHandler <DataSourceEventArgs> > .Is.Anything).Repeat.Once();
dataSourceWatcher.Expect(x => x.Stop()).Repeat.Once();
var dataImportOrchestrationService = new DataImportOrchestrationService(dataSourceWatcher, dataImportFactory);
dataImportOrchestrationService.Error += (sender, e) => errorEventCount++;
dataImportOrchestrationService.DataImportPrevented += (sender, e) => dataImportPreventedEventCount++;
dataImportOrchestrationService.CreateDataImportError += (sender, e) => createDataImportErrorEventCount++;
dataImportOrchestrationService.DataImportStarted += (sender, e) => dataImportStartedEventCount++;
dataImportOrchestrationService.DataImportCompleted += (sender, e) => dataImportCompletedEventCount++;
dataImportOrchestrationService.DataImportCanceled += (sender, e) => dataImportCanceledEventCount++;
dataImportOrchestrationService.DataImportError += (sender, e) => dataImportErrorEventCount++;
dataImportOrchestrationService.Start();
dataImportOrchestrationService.Stop();
dataSourceWatcher.VerifyAllExpectations();
Assert.AreEqual(0, errorEventCount);
Assert.AreEqual(0, dataImportPreventedEventCount);
Assert.AreEqual(0, createDataImportErrorEventCount);
Assert.AreEqual(0, dataImportStartedEventCount);
Assert.AreEqual(0, dataImportCompletedEventCount);
Assert.AreEqual(0, dataImportCanceledEventCount);
Assert.AreEqual(0, dataImportErrorEventCount);
}
public void DataImportOrchestrationService_StopWithActiveDataImportThatWillCompleteAndUsingInternalQueue_StopWaitsForDataImportToComplete()
{
var dataSourceWatcher = MockRepository.GenerateMock <IDataSourceWatcher>();
var dataImportFactory = MockRepository.GenerateMock <IDataImportFactory>();
var dataSource = MockRepository.GenerateMock <IDataSource>();
var dataImport = MockRepository.GenerateMock <IDataImport>();
using (var dataImportStartedSignal = new ManualResetEventSlim(false))
using (var dataImportCompletedSignal = new ManualResetEventSlim(false))
{
dataImportFactory.Stub(x => x.Create(Arg <IDataSource> .Is.Equal(dataSource))).Return(dataImport);
dataImport.Stub(x => x.TryRun(Arg <CancellationToken> .Is.Anything, out Arg <IEnumerable <RecordFailure> > .Out(null).Dummy))
.WhenCalled(mi =>
{
dataImportStartedSignal.Set();
Thread.Sleep(TimeSpan.FromSeconds(1));
dataImportCompletedSignal.Set();
mi.ReturnValue = true;
})
.Return(default(bool));
var dataImportOrchestrationService = new DataImportOrchestrationService(dataSourceWatcher, dataImportFactory);
dataImportOrchestrationService.UseInternalQueue = true;
dataImportOrchestrationService.Start();
dataSourceWatcher.Raise(x => x.DataSourceAvailable += null, dataSourceWatcher, new DataSourceEventArgs(dataSource));
dataImportStartedSignal.Wait(TimeSpan.FromSeconds(1));
dataImportOrchestrationService.Stop();
Assert.IsTrue(dataImportCompletedSignal.IsSet);
}
}
