public async Task WhenATasksIsAdded_AvailableWorkersIsDecremented()
{
var messageProcessingStrategy = new Throttled(123, _fakeMonitor);
var tcs = new TaskCompletionSource<object>();
messageProcessingStrategy.StartWorker(() => tcs.Task);
Assert.That(messageProcessingStrategy.AvailableWorkers, Is.EqualTo(122));
await AllowTasksToComplete(tcs);
}
public async Task AvailableWorkers_CanGoToZeroAndBackToFull()
{
const int capacity = 10;
var messageProcessingStrategy = new Throttled(capacity, _fakeMonitor);
var tcs = new TaskCompletionSource<object>();
for (int i = 0; i < capacity; i++)
{
messageProcessingStrategy.StartWorker(() => tcs.Task);
}
Assert.That(messageProcessingStrategy.AvailableWorkers, Is.EqualTo(0));
await AllowTasksToComplete(tcs);
Assert.That(messageProcessingStrategy.AvailableWorkers, Is.EqualTo(capacity));
}
public async Task AvailableWorkers_IsNeverNegative()
{
const int capacity = 10;
var messageProcessingStrategy = new Throttled(capacity, _fakeMonitor);
var tcs = new TaskCompletionSource<object>();
for (int i = 0; i < capacity; i++)
{
messageProcessingStrategy.StartWorker(() => tcs.Task);
Assert.That(messageProcessingStrategy.AvailableWorkers, Is.GreaterThanOrEqualTo(0));
}
await AllowTasksToComplete(tcs);
}
