public void Should_create_a_hot_observable()
{
var expected = new[] { "A", "B" };
var source = _scheduler.CreateHotObservable <string>("--a---b--|", new { a = "A", b = "B" });
var i = 0;
source.Subscribe(x => Check.That(x).IsEqualTo(expected[i++]));
_scheduler.Start();
Check.That(i).IsEqualTo(2);
}
public void Should_use_unsubscription_diagram()
{
var scheduler = new MarbleScheduler();
var source = scheduler.CreateHotObservable("---^-a-b-|");
var unsubscribe = "---!";
var expected = "--a";
scheduler.ExpectObservable(source, unsubscribe).ToBe(expected);
scheduler.Flush();
}
public void Should_support_testing_metastreams()
{
var scheduler = new MarbleScheduler();
var x = scheduler.CreateColdObservable("-a-b|");
var y = scheduler.CreateColdObservable("-c-d|");
var myObservable = scheduler.CreateHotObservable <IObservable <string> >("---x---y----|", new { x = x, y = y });
var expected = "---x---y----|";
var expectedx = scheduler.CreateColdObservable("-a-b|");
var expectedy = scheduler.CreateColdObservable("-c-d|");
scheduler.ExpectObservable(myObservable).ToBe(expected, new { x = expectedx, y = expectedy });
scheduler.Flush();
}
public async Task should_forward_forex_data()
{
// given
var scheduler = new MarbleScheduler();
var forexSource = scheduler.CreateHotObservable <string>("--f--", new { f = new Quote("EUR/USD", 1.4).ToJson() });
// when
var forexStream = await Create(forexSource).GetEvents();
// then
scheduler.ExpectObservable(forexStream.Take(1))
.ToBe("--(v|)", new { v = 1.4 });
scheduler.Flush();
}
public async Task should_send_a_stock_message_when_receiving_a_quote()
{
// given
var scheduler = new MarbleScheduler();
var quoteSource = scheduler.CreateHotObservable <string>("--q--", new { q = new Quote("GOOGL", 705.8673).ToJson() });
// when
var server = CreateServer(quoteSource, scheduler);
var stream = await server.GetEvents();
// then
scheduler.ExpectObservable(stream.Select(s => s.CompanyName).Concat(Observable.Never <string>()))
.ToBe("--s--", new { s = "Alphabet Inc" });
scheduler.Flush();
}
public async Task should_send_a_stock_message_only_once_when_receiving_two_quotes_for_the_same_stock()
{
// given
var scheduler = new MarbleScheduler();
var quoteSource = scheduler.CreateHotObservable <string>("--f-s-t--", new
{
f = new Quote("GOOGL", 705.8673).ToJson(),
s = new Quote("GOOGL", 705.8912).ToJson(),
t = new Quote("IBM", 106.344).ToJson()
});
// when
var server = CreateServer(quoteSource, scheduler);
var stream = await server.GetEvents();
// then
scheduler.ExpectObservable(stream.Select(s => s.CompanyName).Concat(Observable.Never <string>()))
.ToBe("--g---i--", new
{
g = "Alphabet Inc",
i = "International Business Machines Corp."
});
scheduler.Flush();
}