public void SubscriptionWithExistingCursor()
{
var sp = ServiceProviderHelper.CreateServiceProvider();
using (var bus = ActivatorUtilities.CreateInstance <TestScaleoutBus>(sp, 2))
{
var subscriber = new TestSubscriber(new[] { "key" });
var cd = new CountDownRange <int>(Enumerable.Range(2, 4));
IDisposable subscription = null;
bus.Publish(0, 0, new[] {
new Message("test", "key", "1"),
new Message("test", "key", "50")
});
bus.Publish(1, 0, new[] {
new Message("test1", "key", "51")
});
bus.Publish(1, 2, new[] {
new Message("test2", "key", "2"),
new Message("test3", "key", "3"),
new Message("test2", "key", "4"),
});
try
{
subscription = bus.Subscribe(subscriber, "s-0,00000000|1,00000000", (result, state) =>
{
foreach (var m in result.GetMessages())
{
int n = Int32.Parse(m.GetString());
Assert.True(cd.Mark(n));
}
return(TaskAsyncHelper.True);
}, 10, null);
bus.Publish(0, 2, new[] { new Message("test", "key", "5") });
Assert.True(cd.Wait(TimeSpan.FromSeconds(10)));
}
finally
{
if (subscription != null)
{
subscription.Dispose();
}
}
}
}
public void SubscriptionWithExistingCursor()
{
var sp = ServiceProviderHelper.CreateServiceProvider(services =>
{
var passThroughMinfier = new PassThroughStringMinifier();
services.AddSingleton <IStringMinifier>(passThroughMinfier);
});
using (var bus = (MessageBus)sp.GetRequiredService <IMessageBus>())
{
Func <TestSubscriber> subscriberFactory = () => new TestSubscriber(new[] { "key" });
var cd = new CountDownRange <int>(Enumerable.Range(2, 4));
IDisposable subscription = null;
string prefix = DefaultSubscription._defaultCursorPrefix;
// Pretend like we had an initial subscription
bus.Subscribe(subscriberFactory(), null, (result, state) => TaskAsyncHelper.True, 10, null)
.Dispose();
bus.Publish("test", "key", "1").Wait();
bus.Publish("test", "key", "2").Wait();
bus.Publish("test", "key", "3").Wait();
bus.Publish("test", "key", "4").Wait();
try
{
subscription = bus.Subscribe(subscriberFactory(), prefix + "key,00000001", (result, state) =>
{
foreach (var m in result.GetMessages())
{
int n = Int32.Parse(m.GetString());
Assert.True(cd.Mark(n));
}
return(TaskAsyncHelper.True);
}, 10, null);
bus.Publish("test", "key", "5");
Assert.True(cd.Wait(TimeSpan.FromSeconds(5)));
}
finally
{
if (subscription != null)
{
subscription.Dispose();
}
}
}
}
public void AddingEventAndSendingMessages()
{
var sp = ServiceProviderHelper.CreateServiceProvider();
using (var bus = (MessageBus)sp.GetRequiredService <IMessageBus>())
{
var subscriber = new TestSubscriber(new[] { "a" });
int max = 100;
var cd = new CountDownRange <int>(Enumerable.Range(0, max));
int prev = -1;
IDisposable subscription = null;
try
{
subscription = bus.Subscribe(subscriber, null, (result, state) =>
{
foreach (var m in result.GetMessages())
{
int n = Int32.Parse(m.GetString());
Assert.True(n == prev + 1, "Expected " + (prev + 1));
prev = n;
Assert.True(cd.Mark(n));
}
return(TaskAsyncHelper.True);
},
maxMessages: 10,
state: null);
for (int i = 0; i < max; i++)
{
subscriber.AddEvent("b");
bus.Publish("test", "b", i.ToString()).Wait();
}
Assert.True(cd.Wait(TimeSpan.FromSeconds(10)));
}
finally
{
if (subscription != null)
{
subscription.Dispose();
}
}
}
}