private async Task FirstPairSucceedsSecondPairSucceedsAfterWaitFifthFailsAsync(Policy bulkheadPolicy)
{
Console.WriteLine("----------- First pair succeeds second pair succeeds after wait fifth fails -----------");
var service = new SlowService(TimeSpan.FromSeconds(2));
var taskList = new List <Task>();
var stopWatch = new Stopwatch();
stopWatch.Start();
for (var i = 0; i < 5; ++i)
{
var capturedI = i;
taskList.Add(Task.Run(async() =>
{
try
{
await bulkheadPolicy.ExecuteAsync(async() =>
{
Console.WriteLine($"Executing task {capturedI} at {stopWatch.Elapsed}");
await service.ThrowBoomerangAsync(capturedI);
});
}
catch (Exception)
{
Console.WriteLine($"Task {capturedI} failed with BulkheadRejectedException");
}
}));
await Task.Delay(100); //allow the tasks to run in order for better understanding of the sample
}
await Task.WhenAll(taskList);
stopWatch.Stop();
}
public void ServiceIssuesStopTime()
{
var serviceUnderTest = new SlowService();
string result = serviceUnderTest.Delay(100);
Console.WriteLine(result);
Assert.IsTrue(result.Contains(" to "));
}
public void ServiceIssuesDelayDurationShort()
{
var serviceUnderTest = new SlowService();
string result = serviceUnderTest.Delay(1);
Console.WriteLine(result);
Assert.IsTrue(result.Contains("Delay of 1ms"));
}
public void ServiceWaitsForAShortWhile()
{
var serviceUnderTest = new SlowService();
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
serviceUnderTest.Delay(100);
stopwatch.Stop();
Assert.IsTrue(stopwatch.ElapsedMilliseconds >= 100);
}
public MainWindowViewModel(ModalProgressService modalProgressService, SlowService slowService)
{
this.DoWorkCommand = new DelegateCommand(this.ExecuteDoWork);
this.modalProgressService = modalProgressService;
this.slowService = slowService;
}
