public async Task Test_DoWork_NoWorkToBeDone(int workerCount)
{
Faker faker =
new Faker();
ITaskEngine taskEngine =
CreateTaskEngine(workerCount);
Dictionary <string, long> cyclesCountBefore =
await GetAllExecutionCyclesCounts();
await taskEngine.StartAsync();
await Task.Delay(faker.Random.Int(500, 5000));
await taskEngine.StopAync();
Dictionary <string, long> cyclesCountAfter =
await GetAllExecutionCyclesCounts();
await AssertTotalTasks(expectedTotal : 0);
await AssertTotalTaskResults(expectedTotal : 0);
CollectionAssert.AreEqual(cyclesCountBefore,
cyclesCountAfter);
}
public async Task Test_DoWork_TasksWithErrors_UntilFataled(int workerCount)
{
ITaskQueueProducer producer =
CreateTaskQueueProducer();
ITaskEngine taskEngine =
CreateTaskEngine(workerCount);
int expectedNumberOfErrors = taskEngine.Options
.TaskProcessingOptions
.FaultErrorThresholdCount + 2;
CountdownEvent doneEvent =
new CountdownEvent(20 * expectedNumberOfErrors);
TestExecutorEventBus <AlwaysFailingTask> .Instance
.ExecutorCompleted += (s, e) => doneEvent.Signal();
await taskEngine.StartAsync();
for (int i = 1; i <= 20; i++)
{
await producer.EnqueueAsync(new AlwaysFailingTask(),
source : nameof(Test_DoWork_TasksWithErrors_UntilFataled),
priority : 0);
}
doneEvent.Wait();
await taskEngine.StopAync();
await AssertTotalTasks(expectedTotal : 0);
await AssertAllTasksCompletedWithStatus(
expectedTaskResultCount : 20,
expectedStatus : QueuedTaskStatus.Fatal,
expectedErrorCount : expectedNumberOfErrors);
await AssertCorrectExecutionCyclesCount <AlwaysFailingTask>(expectedCount :
20 *expectedNumberOfErrors);
}
public async Task Test_DoWork_TasksWithErrors_CompletesSuccessfullyAfterFailures(int workerCount)
{
ITaskQueueProducer producer =
CreateTaskQueueProducer();
ITaskEngine taskEngine =
CreateTaskEngine(workerCount);
int numberForErrorsBeforeSucceeding = taskEngine.Options
.TaskProcessingOptions
.FaultErrorThresholdCount - 1;
CountdownEvent doneEvent =
new CountdownEvent(20 * (numberForErrorsBeforeSucceeding + 1));
TestExecutorEventBus <FailsNTimesBeforeSucceeding> .Instance
.ExecutorCompleted += (s, e) => doneEvent.Signal();
await taskEngine.StartAsync();
for (int i = 1; i <= 20; i++)
{
await producer.EnqueueAsync(new FailsNTimesBeforeSucceeding( Guid.NewGuid(),
numberForErrorsBeforeSucceeding ),
source : nameof(Test_DoWork_TasksWithErrors_CompletesSuccessfullyAfterFailures),
priority : 0);
}
doneEvent.Wait();
await taskEngine.StopAync();
await AssertTotalTasks(expectedTotal : 0);
await AssertAllTasksCompletedWithStatus(expectedTaskResultCount : 20,
expectedStatus : QueuedTaskStatus.Processed,
expectedErrorCount : numberForErrorsBeforeSucceeding);
await AssertCorrectExecutionCyclesCount <FailsNTimesBeforeSucceeding>(expectedCount :
20 *(numberForErrorsBeforeSucceeding + 1));
}
public async Task <Stakhanovise> StartFulfillingFiveYearPlanAsync()
{
CheckNotDisposedOrThrow();
if (mDbAssetFactory == null)
{
mDbAssetFactory = mStakhanoviseSetup.BuildDbAssetFactory();
}
if (mEngine == null)
{
mEngine = mStakhanoviseSetup.BuildTaskEngine();
}
if (mAppMetricsMonitor == null)
{
mAppMetricsMonitor = mStakhanoviseSetup.BuildAppMetricsMonitor();
}
if (mDbAssetFactory != null)
{
await mDbAssetFactory.CreateDbAssetsAsync();
}
if (!mEngine.IsRunning)
{
await mEngine.StartAsync();
}
if (mAppMetricsMonitor != null &&
!mAppMetricsMonitor.IsRunning &&
mEngine is IAppMetricsProvider)
{
await mAppMetricsMonitor.StartAsync(( IAppMetricsProvider )mEngine);
}
return(this);
}
public async Task Test_DoWork_TasksWithNoErrors(int workerCount)
{
CountdownEvent doneEvent =
new CountdownEvent(20);
ITaskQueueProducer producer =
CreateTaskQueueProducer();
ITaskEngine taskEngine =
CreateTaskEngine(workerCount);
TestExecutorEventBus <ComputeFactorial> .Instance
.ExecutorCompleted += (s, e) => doneEvent.Signal();
await taskEngine.StartAsync();
for (int i = 1; i <= 20; i++)
{
await producer.EnqueueAsync(new ComputeFactorial( i ),
source : nameof(Test_DoWork_TasksWithNoErrors),
priority : 0);
}
doneEvent.Wait();
await taskEngine.StopAync();
await AssertTotalTasks(expectedTotal : 0);
await AssertAllTasksCompletedWithStatus(
expectedTaskResultCount : 20,
expectedStatus : QueuedTaskStatus.Processed,
expectedErrorCount : 0);
await AssertCorrectExecutionCyclesCount <ComputeFactorial>(expectedCount :
20);
}
