public void HundredQeWithThousandSubscriptions()
{
const int NumberOfEngines = 100;
const int NumberOfSubscriptions = 1000;
// Creating engines.
var stopwatch = new Stopwatch();
stopwatch.Start();
var engines = new List <ICheckpointingQueryEngine>();
var tasks = new List <Task>();
var sources = new ConcurrentQueue <MockObservable <int> >();
for (int i = 0; i < NumberOfEngines; ++i)
{
var engine = CreateQueryEngine();
engines.Add(engine);
tasks.Add(new TaskFactory().StartNew(() => AddSubscriptions(engine, sources, NumberOfSubscriptions)));
}
Task.WaitAll(tasks.ToArray());
stopwatch.Stop();
Trace.WriteLine(
string.Format("Time for creation of '{0}' engines with '{1}' subscriptions each: '{2}' milliseconds.",
NumberOfEngines,
NumberOfSubscriptions,
stopwatch.ElapsedMilliseconds));
// Sending events.
var inputs = sources.ToArray();
stopwatch.Restart();
for (int j = 0; j < 100; j++)
{
foreach (var source in inputs)
{
source.OnNext(j);
}
}
foreach (var input in inputs)
{
var result = MockObserver.Get <int>(input.Id);
if (result == null || !result.WaitForCount(100, TimeSpan.FromSeconds(100)))
{
Assert.Fail("Not everything was received.");
}
result.Clear();
}
stopwatch.Stop();
Trace.WriteLine(
string.Format("Time for processing '{0}' events: '{1}' milliseconds.",
100 * inputs.Length,
stopwatch.ElapsedMilliseconds));
}
