private static Task <IConnection> ConnectAndOutOfSyncOnData(string url, ConnectionOptions opts, CancellationToken ct)
{
return(TestConnection.Connect(
url,
opts,
ct,
transform: (ConnectionStepResult res) =>
{
// replace subscription/data pdu with subscription/info
var ev = res.AsUnsolicitedEvent();
if (ev != null && ev.pdu.Action.StartsWith(RtmActions.SubscriptionData, StringComparison.InvariantCulture))
{
var oldPdu = ev.pdu.As <RtmSubscriptionData>();
var newPdu = Pdu.Create(
action: RtmActions.SubscriptionError,
id: null,
body: new RtmSubscriptionError {
Code = RtmSubscriptionError.OutOfSync,
SubscriptionId = oldPdu.Body.SubscriptionId,
Position = oldPdu.Body.Position
});
return new ConnectionStepResult.UnsolicitedEvent(newPdu);
}
return res;
}));
}
public async Task RestartOnUnsubscribeError()
{
var channel = GenerateRandomChannelName();
var client = new RtmClientBuilder(Config.Endpoint, Config.AppKey)
.SetConnector(
(url, opts, ct) => TestConnection.Connect(
url,
opts,
ct,
transform: res =>
{
var reply = res.AsReply()?.AsPositive();
if (reply != null && reply.pdu.Action.StartsWith(RtmActions.Unsubscribe, StringComparison.InvariantCulture))
{
var oldPdu = reply.pdu.As <RtmUnsubscribeReply>();
var newPdu = Pdu.Create <RtmUnsubscribeError>(
action: $"{RtmActions.Unsubscribe}/{RtmOutcomes.Error}",
id: oldPdu.Id,
body: new RtmUnsubscribeError {
SubscriptionId = oldPdu.Body.SubscriptionId
});
return(new ConnectionOperationResult.Reply.Negative(newPdu));
}
return(res);
})).Build();
var queue = client.CreateStateQueue();
var subObs = new TestSubscriptionObserverQueue(queue);
subObs.ObserveSubscriptionState();
client.Start();
await queue.AssertDequeue(
"leave-stopped",
"enter-connecting",
"leave-connecting",
"enter-connected");
client.CreateSubscription(channel, SubscriptionModes.Advanced, subObs);
await queue.AssertDequeue(
"rtm:created",
"rtm:enter-unsubscribed",
"rtm:leave-unsubscribed",
"rtm:enter-subscribing",
"rtm:leave-subscribing",
"rtm:enter-subscribed");
client.RemoveSubscription(channel);
await queue.AssertDequeue(
"rtm:leave-subscribed",
"rtm:enter-unsubscribing",
"rtm:leave-unsubscribing",
"rtm:enter-unsubscribed",
"rtm:leave-unsubscribed",
"rtm:deleted",
"leave-connected",
"enter-awaiting",
"leave-awaiting",
"enter-connecting",
"leave-connecting",
"enter-connected");
await Task.Delay(200);
await client.Yield();
Assert.That(queue.TryDequeue(), Is.EqualTo(null));
await client.Dispose();
}
