public void SubscriptionWithExistingCursor()
{
var dr = new DefaultDependencyResolver();
var bus = new TestScaleoutBus(dr, topicCount: 2);
var subscriber = new TestSubscriber(new[] { "key" });
var cd = new CountDownRange<int>(Enumerable.Range(2, 4));
IDisposable subscription = null;
// test, test2 = 1
// test1, test3 = 0
//
// Cursor 1, 1
bus.SendMany(new[] {
new Message("test", "key", "1"),
new Message("test", "key", "50")
});
// Cursor 0,1|1,1
bus.SendMany(new[] {
new Message("test1", "key", "51")
});
bus.SendMany(new[]{
new Message("test2", "key", "2"),
new Message("test3", "key", "3"),
new Message("test2", "key", "4"),
});
try
{
subscription = bus.Subscribe(subscriber, "0,00000001|1,00000001", result =>
{
foreach (var m in result.GetMessages())
{
int n = Int32.Parse(m.Value);
Assert.True(cd.Mark(n));
}
return TaskAsyncHelper.True;
}, 10);
bus.SendMany(new[] { new Message("test", "key", "5") });
Assert.True(cd.Wait(TimeSpan.FromSeconds(10)));
}
finally
{
if (subscription != null)
{
subscription.Dispose();
}
}
}
public void NewSubscriptionGetsAllMessages()
{
var dr = new DefaultDependencyResolver();
var bus = new TestScaleoutBus(dr, topicCount: 5);
var subscriber = new TestSubscriber(new[] { "key" });
var wh = new ManualResetEventSlim(initialState: false);
IDisposable subscription = null;
try
{
var firstMessages = new[] { new Message("test1", "key", "1"),
new Message("test2", "key", "2") };
bus.SendMany(firstMessages);
subscription = bus.Subscribe(subscriber, null, result =>
{
if (!result.Terminal)
{
var ms = result.GetMessages().ToList();
Assert.Equal(2, ms.Count);
Assert.Equal("key", ms[0].Key);
Assert.Equal("x", ms[0].Value);
Assert.Equal("key", ms[1].Key);
Assert.Equal("y", ms[1].Value);
wh.Set();
return TaskAsyncHelper.True;
}
return TaskAsyncHelper.False;
}, 10);
bus.SendMany(new[] { new Message("test1", "key", "x"),
new Message("test1", "key", "y") });
Assert.True(wh.Wait(TimeSpan.FromSeconds(10)));
}
finally
{
if (subscription != null)
{
subscription.Dispose();
}
}
}
public void NewSubscriptionGetsAllMessages()
{
var dr = new DefaultDependencyResolver();
var bus = new MessageBus(dr);
var subscriber = new TestSubscriber(new[] { "key" });
var wh = new ManualResetEventSlim(initialState: false);
IDisposable subscription = null;
try
{
bus.Publish("test", "key", "1").Wait();
subscription = bus.Subscribe(subscriber, null, result =>
{
if (!result.Terminal)
{
var m = result.GetMessages().Single();
Assert.Equal("key", m.Key);
Assert.Equal("value", m.Value);
wh.Set();
return TaskAsyncHelper.True;
}
return TaskAsyncHelper.False;
}, 10);
bus.Publish("test", "key", "value").Wait();
Assert.True(wh.Wait(TimeSpan.FromSeconds(5)));
}
finally
{
if (subscription != null)
{
subscription.Dispose();
}
}
}
public void AddingEventAndSendingMessages()
{
var dr = new DefaultDependencyResolver();
var bus = new MessageBus(dr);
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 =>
{
foreach (var m in result.GetMessages())
{
int n = Int32.Parse(m.Value);
Assert.True(prev < n, "out of order");
prev = n;
Assert.True(cd.Mark(n));
}
return TaskAsyncHelper.True;
}, 10);
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();
}
}
}
public void SubscriptionWithMultipleExistingCursors()
{
var dr = new DefaultDependencyResolver();
var bus = new MessageBus(dr);
var subscriber = new TestSubscriber(new[] { "key", "key2" });
var cdKey = new CountDownRange<int>(Enumerable.Range(2, 4));
var cdKey2 = new CountDownRange<int>(new[] { 1, 2, 10 });
IDisposable subscription = null;
bus.Publish("test", "key", "1").Wait();
bus.Publish("test", "key", "2").Wait();
bus.Publish("test", "key", "3").Wait();
bus.Publish("test", "key", "4").Wait();
bus.Publish("test", "key2", "1").Wait();
bus.Publish("test", "key2", "2").Wait();
try
{
subscription = bus.Subscribe(subscriber, "key,00000001|key2,00000000", result =>
{
foreach (var m in result.GetMessages())
{
int n = Int32.Parse(m.Value);
if (m.Key == "key")
{
Assert.True(cdKey.Mark(n));
}
else
{
Assert.True(cdKey2.Mark(n));
}
}
return TaskAsyncHelper.True;
}, 10);
bus.Publish("test", "key", "5");
bus.Publish("test", "key2", "10");
Assert.True(cdKey.Wait(TimeSpan.FromSeconds(5)));
Assert.True(cdKey2.Wait(TimeSpan.FromSeconds(5)));
}
finally
{
if (subscription != null)
{
subscription.Dispose();
}
}
}
