public void BackgroundHttpRequester_StopAsync_Stops_Current_Active_Request()
{
var cancelled = false;
var mre = new ManualResetEventSlim();
Func<Uri, CancellationToken, bool> processor = (u, c) =>
{
try
{
mre.Wait(c);
}
catch (AggregateException)
{
}
catch (OperationCanceledException)
{
}
mre.Set();
cancelled = c.IsCancellationRequested;
return true;
};
var requester = new BackgroundHttpFuncRequester(processor);
requester.Add(TestHelpers.CreateRequestList(1)[0]);
requester.Start(TimeSpan.FromMilliseconds(10));
Assert.IsFalse(cancelled);
requester.StopAsync().Wait(3000);
Assert.IsTrue(mre.Wait(3000));
Assert.IsTrue(cancelled);
}
public async void BackgroundHttpRequester_StopAsync_Stops_Current_Active_Request()
{
var cancelled = false;
Func<Uri, CancellationToken, bool> processor = (u, c) => DoProcessing(c, out cancelled);
var requester = new BackgroundHttpFuncRequester(processor);
requester.Add(TestHelpers.CreateRequestList(1)[0]);
requester.Start(TimeSpan.FromMilliseconds(10));
Assert.IsFalse(cancelled);
await requester.StopAsync();
Assert.IsTrue(cancelled);
}
public void BackgroundHttpRequester_StopAsync_Stops_Requesting()
{
var actualList = new List<Uri>();
Func<Uri, CancellationToken, bool> processor = (u, c) => { actualList.Add(u); return true; };
var requester = new BackgroundHttpFuncRequester(processor);
requester.Start(TimeSpan.FromMilliseconds(10));
requester.StopAsync().Wait();
foreach (var uri in TestHelpers.CreateRequestList(3))
requester.Add(uri);
Assert.AreEqual(0, actualList.Count);
Assert.AreEqual(3, requester.QueueCount);
}
public void BackgroundHttpRequester_Start_Uses_Previous_List_First()
{
var expectedList = TestHelpers.CreateRequestList(10);
var actualList = new List<Uri>();
Func<Uri, CancellationToken, bool> processor = (u, c) => { actualList.Add(u); return true; };
var requester = new BackgroundHttpFuncRequester(processor);
requester.Start(TimeSpan.FromMilliseconds(10), expectedList.Take(5));
foreach (var uri in expectedList.Skip(5))
requester.Add(uri);
TestHelpers.WaitForQueueToEmpty(requester);
Assert.AreEqual(expectedList.Count, actualList.Count);
CollectionAssert.AreEqual(expectedList, actualList);
}