public async Task StartReturnsLongRunningTaskIfFailed() { var tcs = new TaskCompletionSource <object>(); tcs.TrySetException(new Exception("fail!")); var service = new MyBackgroundService(tcs.Task); var exception = await Assert.ThrowsAsync <Exception>(() => service.StartAsync(CancellationToken.None)); Assert.Equal("fail!", exception.Message); }
public void StartReturnsCompletedTaskIfCancelled() { var tcs = new TaskCompletionSource <object>(); tcs.TrySetCanceled(); var service = new MyBackgroundService(tcs.Task); var task = service.StartAsync(CancellationToken.None); Assert.True(task.IsCompleted); }
public async Task StopAsyncStopsBackgroundService() { var tcs = new TaskCompletionSource <object>(); var service = new MyBackgroundService(tcs.Task); await service.StartAsync(CancellationToken.None); Assert.False(service.ExecuteTask.IsCompleted); await service.StopAsync(CancellationToken.None); Assert.True(service.ExecuteTask.IsCompleted); }
public void StartReturnsCompletedTaskIfLongRunningTaskIsIncomplete() { var tcs = new TaskCompletionSource <object>(); var service = new MyBackgroundService(tcs.Task); var task = service.StartAsync(CancellationToken.None); Assert.True(task.IsCompleted); Assert.False(tcs.Task.IsCompleted); // Complete the task tcs.TrySetResult(null); }