public void AllItemsAreProcessed()
{
// Arrange
var workerThreads = 10;
var worker = new BackgroundWorkerQueue(workerThreads);
var work = new List<StandardWork>();
for (var i = 0; i < 10; i++)
{
work.Add(new StandardWork());
}
// Act
foreach (var w in work)
{
worker.Enqueue(w);
}
// Assert
while (true)
{
if (PROCESSED_WORK.SetEquals(work))
{
Assert.Pass("All work items were processed.");
}
}
}
public void StartProcess()
{
//Retrieve existing datas from client
var clientDatas = RetrieveDealershipDatas();
//Retrieve datas from files
var files = ServiceFactory.File.RetrieveLinesFromFile();
var worker = new BackgroundWorkerQueue(10);
for (var i = 0; i < files.Length; i++)
{
var model = new ProcessDataRequestModel(Clients)
{
Size = files.Length,
Position = i,
Line = files[i]
};
var work = new ProcessDataWork(model, clientDatas);
worker.Enqueue(work);
}
//Generate report Top performing
var topPerformingModel = new ProcessReportRequestModel(Clients, FrontMessage.ReportIdTopPerforming,
FrontMessage.ReportTitleTopPerforming, worker)
{
WherePredicate = x => x.TotalSales > 0,
OrderByPredicate = x => x.TotalSales,
Size = 100
};
worker.Enqueue(new ProcessReportWork(topPerformingModel, clientDatas));
//Generate report Low stock
var lowStockModel = new ProcessReportRequestModel(Clients, FrontMessage.ReportIdLowStock,
FrontMessage.ReportTitleLowStock, worker)
{
WherePredicate = x => x.AvailableStock < 10,
OrderByPredicate = x => x.AvailableStock
};
worker.Enqueue(new ProcessReportWork(lowStockModel, clientDatas));
}
private void CollectDealershipData(List<string[]> dealershipList, DataHub dataHub)
{
dealershipDataSet = new List<DealershipData>();
var workerThreads = 99;
using (var worker = new BackgroundWorkerQueue(workerThreads))
{
foreach (var dealership in dealershipList)
{
var work = new DataCollector(dealership[0], new Uri(dealership[1]));
worker.Enqueue(work);
}
dataHub.SendTotal(dealershipList.Count);
var completed = 0;
var status = worker.Status();
do
{
if (status.Failed.Any())
worker.ReAddFailed(status.Failed);
Thread.Sleep(1000);
status = worker.Status();
if (Monitor.TryEnter(theLock, 100))
{
try
{
completed = dealershipDataSet.Count;
}
finally
{
Monitor.Exit(theLock);
}
}
dataHub.SendProgress(completed, status.Processing.Count(), status.Failed.Count());
} while (status.Backlog.Any() || status.Processing.Any() || status.Failed.Any());
worker.Stop();
worker.ClearErrors();
dataHub.CompleteDataCollection();
}
}
public void QueueIsNotBrokenByExceptions()
{
// Arrange
var workerThreads = 2;
var worker = new BackgroundWorkerQueue(workerThreads);
var exceptionThrowingWork = new ExceptionThrowingWork();
var work = new StandardWork();
// Act
worker.Enqueue(exceptionThrowingWork);
worker.Enqueue(work);
// wait for a bit
Thread.Sleep(1000);
// Assert
CollectionAssert.AreEquivalent(new List<StandardWork>() { work }, PROCESSED_WORK);
}
public void NoItemsAreProcessedAfterStop()
{
// Arrange
var workerThreads = 10;
var worker = new BackgroundWorkerQueue(workerThreads);
var work = new List<StandardWork>();
for (var i = 0; i < 10; i++)
{
work.Add(new StandardWork());
}
// Act
worker.Stop();
foreach (var w in work)
{
worker.Enqueue(w);
}
// wait for a bit
Thread.Sleep(500);
// Assert
Assert.IsEmpty(PROCESSED_WORK);
}
public void WhenWorkFailed()
{
// ARRANGE
var workerThreads = 1;
var worker = new BackgroundWorkerQueue(workerThreads);
var onFailedTestWork = new OnFailedTestWork(worker);
// ACT
worker.Enqueue(onFailedTestWork);
// ASSERT
while (false == onFailedTestWork.Called)
{
// wait for called
}
Assert.Pass("The OnWorkFailed event fired");
}
public void ReaddSpecificErrors()
{
// ARRANGE
var workerThreads = 1;
var worker = new BackgroundWorkerQueue(workerThreads);
var exceptionThrowingWork = new ExceptionThrowingWork();
var longRunningWorkProcessing = new LongRunningWork();
var longRunningWorkInBacklog = new LongRunningWork();
worker.Enqueue(exceptionThrowingWork);
worker.Enqueue(longRunningWorkProcessing);
worker.Enqueue(longRunningWorkInBacklog);
// wait for a bit
Thread.Sleep(500);
var status = worker.Status();
// PRECONDITIONS ASSERT
CollectionAssert.IsNotEmpty(status.Failed);
// ACT
worker.ReAddFailed(new List<IWork>() { exceptionThrowingWork });
// ASSERT
var actual = worker.Status();
CollectionAssert.IsEmpty(actual.Failed);
CollectionAssert.Contains(actual.Processing, longRunningWorkProcessing);
CollectionAssert.Contains(actual.Backlog, longRunningWorkInBacklog);
CollectionAssert.Contains(actual.Backlog, exceptionThrowingWork);
}
public void ClearErrors()
{
// ARRANGE
var workerThreads = 1;
var worker = new BackgroundWorkerQueue(workerThreads);
var exceptionThrowingWork = new ExceptionThrowingWork();
worker.Enqueue(exceptionThrowingWork);
// wait for a bit
Thread.Sleep(500);
var status = worker.Status();
// PRECONDITIONS ASSERT
CollectionAssert.IsNotEmpty(status.Failed);
// ACT
worker.ClearErrors();
// ASSERT
var actual = worker.Status().Failed;
CollectionAssert.IsEmpty(actual);
}
public void Status()
{
// Arrange
var workerThreads = 2;
var worker = new BackgroundWorkerQueue(workerThreads);
var exceptionThrowingWork1 = new ExceptionThrowingWork();
var exceptionThrowingWork2 = new ExceptionThrowingWork();
var longRunningWork1 = new LongRunningWork();
var longRunningWork2 = new LongRunningWork();
var work1 = new StandardWork();
var work2 = new StandardWork();
// Act
worker.Enqueue(exceptionThrowingWork1);
worker.Enqueue(exceptionThrowingWork2);
worker.Enqueue(longRunningWork1);
worker.Enqueue(longRunningWork2);
worker.Enqueue(work1);
worker.Enqueue(work2);
// wait for a bit
Thread.Sleep(1000);
var actual = worker.Status();
// Assert
//backlog
CollectionAssert.AreEquivalent(new List<IWork>() { work1, work2 }, actual.Backlog);
//failed
CollectionAssert.AreEquivalent(
new List<IWork>() { exceptionThrowingWork1, exceptionThrowingWork2 }, actual.Failed);
//processing
CollectionAssert.AreEquivalent(new List<IWork>() { longRunningWork1, longRunningWork2 }, actual.Processing);
}