public void DoWorkShouldExitWorkerThreadWhenWorkerThreadManagerShouldExitWorkerThreadReturnsTrueAndWorkItemQueueIsEmpty()
{
WorkerThreadManagerStub workerThreadManager = WorkerThreadManagerStub.Create();
ManualResetEvent manualResetEvent = new ManualResetEvent(false);
IWorkItemQueue workItemQueue = Substitute.For <IWorkItemQueue>();
workItemQueue.Dequeue().Returns((IWorkItem)null);
bool exitedBecaseWorkItemQueueIsEmpty = false;
WorkerThread workerThread = new WorkerThread(workerThreadManager, workItemQueue, "Test", false);
workerThreadManager.WorkerThreadExiting += (sender, args) =>
{
if (args.WorkerThreadExitReason == WorkerThreadExitReason.WorkItemQueueIsEmpty)
{
exitedBecaseWorkItemQueueIsEmpty = true;
manualResetEvent.Set();
}
};
workerThreadManager.ShouldExitWorkerThread(workerThread, false).Returns(false);
workerThreadManager.ShouldExitWorkerThread(workerThread, true).Returns(true);
workerThread.Start();
manualResetEvent.WaitOne(500);
workerThread.Stop();
Wait.While(() => workerThread.Thread.IsAlive, 300);
Assert.AreEqual(false, workerThread.Thread.IsAlive);
workItemQueue.Received(1).Dequeue();
Assert.AreEqual(true, exitedBecaseWorkItemQueueIsEmpty);
}
public void DoWorkShouldNotCallWorkItemDequeueWhenWorkerThreadManagerShouldExitWorkerThreadReturnsTrue()
{
WorkerThreadManagerStub workerThreadManager = WorkerThreadManagerStub.Create();
ManualResetEvent manualResetEvent = new ManualResetEvent(false);
IWorkItemQueue workItemQueue = Substitute.For <IWorkItemQueue>();
WorkerThread workerThread = new WorkerThread(workerThreadManager, workItemQueue, "Test", false);
workerThreadManager.WorkerThreadExiting += (sender, args) =>
{
if (args.WorkerThreadExitReason == WorkerThreadExitReason.MaximumThreadCountExceeded)
{
manualResetEvent.Set();
}
};
workerThreadManager.ShouldExitWorkerThread(workerThread, false).ReturnsForAnyArgs(true);
workerThread.Start();
manualResetEvent.WaitOne(500);
workerThread.Stop();
Wait.While(() => workerThread.Thread.IsAlive, 300);
Assert.AreEqual(false, workerThread.Thread.IsAlive);
workItemQueue.DidNotReceive().Dequeue();
}
public void StartShouldStartThread()
{
WorkerThreadManagerStub workerThreadManager = WorkerThreadManagerStub.Create();
IWorkItemQueue workItemQueue = Substitute.For <IWorkItemQueue>();
workItemQueue.Dequeue().Returns((IWorkItem)null);
WorkerThread workerThread = new WorkerThread(workerThreadManager, workItemQueue, "Test", false);
workerThreadManager.ShouldExitWorkerThread(workerThread, false).Returns(false);
workerThread.Start();
Wait.While(() => !workerThread.Thread.IsAlive, 300);
Assert.AreEqual(true, workerThread.Thread.IsAlive);
workerThread.Stop();
Wait.While(() => workerThread.Thread.IsAlive, 300);
Assert.AreEqual(false, workerThread.Thread.IsAlive);
}
public void DoWorkShouldCallWorkItemDequeueWhenWorkerThreadManagerShouldExitWorkerThreadReturnsFalse()
{
WorkerThreadManagerStub workerThreadManager = WorkerThreadManagerStub.Create();
ManualResetEvent manualResetEvent = new ManualResetEvent(false);
IWorkItemQueue workItemQueue = Substitute.For <IWorkItemQueue>();
workItemQueue.When(x => x.Dequeue()).Do(x => { manualResetEvent.Set(); });
WorkerThread workerThread = new WorkerThread(workerThreadManager, workItemQueue, "Test", false);
workerThreadManager.ShouldExitWorkerThread(workerThread, true).Returns(false);
workerThread.StopWhenWorkItemQueueIsEmpty(true);
workerThread.Start();
manualResetEvent.WaitOne(500);
workerThread.Stop();
Wait.While(() => workerThread.Thread.IsAlive, 300);
Assert.AreEqual(false, workerThread.Thread.IsAlive);
workItemQueue.Received(1).Dequeue();
}