public void ShouldBeStoppedWhenCancelled()
{
using (var reset = new ManualResetEventSlim(false))
using (var cts = new CancellationTokenSource())
using (var scheduler = new SystemTimerScheduledTaskManager())
{
var task = new TestBackgroundTask()
{
ExecutionDelay = TimeSpan.FromMilliseconds(10),
Reset = reset,
Interval = TimeSpan.FromMilliseconds(10),
};
scheduler.Configure(new List <IUnleashScheduledTask>()
{
task
}, cts.Token);
cts.CancelAfter(75);
reset.Wait(TimeSpan.FromMilliseconds(200));
task.Counter.Should().BeInRange(4, 6);
}
}
public async Task Scheduler_WhenCancellationTokenIsCancelled_ShutsDownAsExpected()
{
using (var cts = new CancellationTokenSource())
using (var scheduler = new SystemTimerScheduledTaskManager())
{
var task = new TestBackgroundTask(
5,
executionDelay: TimeSpan.Zero,
interval: TimeSpan.FromMilliseconds(200),
cancellationToken: cts.Token);
cts.CancelAfter(500);
scheduler.Configure(new[] { task }, cts.Token);
try
{
await task.Completion;
Assert.False(true);
}
catch (OperationCanceledException)
{
_testOutputHelper.WriteLine("Cancelled: " + task.Counter);
Assert.InRange(task.Counter, 2, 3);
}
}
Assert.True(true);
}
public async Task When_Executing_BackgroundTask_Can_Omit_Return()
{
// Arrange
var inMemoryProvider = new InMemoryBackgroundTaskScheduleProvider();
var testBackgroundTask = new TestBackgroundTask();
var executor = TestApiOperationExecutor.Create(
o => o.AddBackgroundTasks(p => p.UseInMemory(inMemoryProvider)),
o => o.WithOperation <TestBackgroundTask>());
// Act
await executor.ExecuteAsync(testBackgroundTask);
// Assert
testBackgroundTask.HasExecuted.Should().BeTrue();
}
public async Task Scheduler_WhenTaskExceptionOccurs_ShouldContinueToRun()
{
using (var scheduler = new SystemTimerScheduledTaskManager())
{
var task = new TestBackgroundTask(5, 1);
scheduler.Configure(new[] { task }, CancellationToken.None);
try
{
await task.Completion;
}
catch (OperationCanceledException)
{
Assert.False(true);
}
Assert.Equal(5, task.Counter);
}
}
public void ShouldContinueToRunEvenThoughExceptionsOccurs()
{
using (var reset = new ManualResetEventSlim(false))
using (var scheduler = new SystemTimerScheduledTaskManager())
{
var task = new TestBackgroundTask()
{
ExecutionDelay = TimeSpan.FromMilliseconds(10),
ExecuteDuringStartup = false,
Reset = reset,
Interval = TimeSpan.FromMilliseconds(20),
ThrowsExceptions = true
};
scheduler.Configure(new List <IUnleashScheduledTask>()
{
task
}, CancellationToken.None);
reset.Wait();
task.Counter.Should().Be(5);
}
}
