public void CanReadProtocolHeader()
{
var msgBuilder = new MqttSubscribeMessageBuilder()
{
Duplicate = true,
QualityOfService = QualityOfService.ExactlyOnce,
Retain = true,
MessageId = 42
};
var msg = msgBuilder.GetMessage() as MqttSubscribeMessage;
Assert.AreEqual(msgBuilder.Duplicate, msg.Duplicate);
Assert.AreEqual(msgBuilder.QualityOfService, msg.QualityOfService);
Assert.AreEqual(msgBuilder.Retain, msg.Retain);
Assert.AreEqual(42, msg.MessageId);
}
public void CanReadSubscriptions()
{
var msgBuilder = new MqttSubscribeMessageBuilder()
{
Duplicate = true,
QualityOfService = QualityOfService.ExactlyOnce,
Retain = true,
MessageId = 42
};
msgBuilder.Subscriptions.Add(new SubscriptionItem()
{
QualityOfService = QualityOfService.AtLeastOnce,
TopicName = "a/b0"
});
msgBuilder.Subscriptions.Add(new SubscriptionItem()
{
QualityOfService = QualityOfService.AtLeastOnce,
TopicName = "a/b1"
});
msgBuilder.Subscriptions.Add(new SubscriptionItem()
{
QualityOfService = QualityOfService.AtLeastOnce,
TopicName = "a/b2"
});
var msg = msgBuilder.GetMessage() as MqttSubscribeMessage;
Assert.AreEqual(3, msg.Subscriptions.Count);
var item = msg.Subscriptions.GetAt(0);
Assert.AreEqual(QualityOfService.AtLeastOnce, item.QualityOfService);
Assert.AreEqual("a/b0", item.TopicName);
item = msg.Subscriptions.GetAt(1);
Assert.AreEqual(QualityOfService.AtLeastOnce, item.QualityOfService);
Assert.AreEqual("a/b1", item.TopicName);
item = msg.Subscriptions.GetAt(2);
Assert.AreEqual(QualityOfService.AtLeastOnce, item.QualityOfService);
Assert.AreEqual("a/b2", item.TopicName);
}
public void CanCreateFromMessageBuilder()
{
var msgBuilder = new MqttSubscribeMessageBuilder()
{
MessageId = 42
};
Assert.AreEqual(MessageType.Subscribe, msgBuilder.MessageType);
Assert.AreEqual(QualityOfService.AtLeastOnce, msgBuilder.QualityOfService);
Assert.AreEqual(0, msgBuilder.Subscriptions.Count);
var msg = msgBuilder.GetMessage() as MqttSubscribeMessage;
Assert.IsNotNull(msg);
Assert.AreEqual(MessageType.Subscribe, msg.MessageType);
Assert.AreEqual(false, msg.Duplicate);
Assert.AreEqual(QualityOfService.AtLeastOnce, msg.QualityOfService);
Assert.AreEqual(false, msg.Retain);
Assert.AreEqual(42, msg.MessageId);
Assert.AreEqual(0, msg.Subscriptions.Count);
}
public void SubscribeAsync(SubscriptionItem[] items, int messageId)
{
var msgBuilder = new MqttSubscribeMessageBuilder
{
MessageId = messageId,
QualityOfService = QualityOfService.AtLeastOnce
};
foreach (var item in items)
{
msgBuilder.Subscriptions.Add(item);
}
SendMessageAsync(msgBuilder);
}
private Task<MqttSubscribeAckMessage> SubscribeAsync(SubscriptionItem[] items, int messageId)
{
var msgBuilder = new MqttSubscribeMessageBuilder
{
MessageId = messageId
};
foreach (var item in items)
{
msgBuilder.Subscriptions.Add(item);
}
var tcs = new TaskCompletionSource<MqttSubscribeAckMessage>();
_mqtt.SendMessageAsync(msgBuilder, tcs, _clientUid);
return tcs.Task;
}
public void SubscribeCallsNetworkErrorEventWhenNoResponseReceived()
{
var are = new AutoResetEvent(false);
var eventData = "Test data";
var moqSocket = new MoqSocket
{
DoNotRespond = true
};
MqttProtocolInformation.Settings.NetworkTimeout = 5; // 5 seconds
var client = new MqttClientProtocol(new LogCompositor(), moqSocket);
var bldr = new MqttSubscribeMessageBuilder
{
MessageId = 42,
};
client.SendMessageComplete += (sender, args) => Assert.Fail();
client.NetworkError += (sender, args) =>
{
Assert.AreEqual(bldr.MessageType, args.Message.MessageType);
are.Set();
};
client.SendMessageAsync(bldr, eventData, null);
if (!are.WaitOne(MqttProtocolInformation.Settings.NetworkTimeout * 1000 + 5000))
{
Assert.Fail("NetworkError event not fired for Subscribe.");
}
}
public void SubscribeCallsSendMessageCompleteEventWithEventData()
{
var are = new AutoResetEvent(false);
var eventData = "Test data";
var moqSocket = new MoqSocket();
var client = new MqttClientProtocol(new LogCompositor(), moqSocket);
var bldr = new MqttSubscribeMessageBuilder
{
MessageId = 42,
};
client.SubscribeComplete += (sender, args) =>
{
var msg = args.Message as MqttSubscribeAckMessage;
Assert.IsNotNull(msg);
Assert.AreEqual(bldr.MessageId, msg.MessageId);
Assert.AreSame(eventData, args.EventData);
Assert.IsTrue(moqSocket.SentMessages.Contains(MessageType.Subscribe));
are.Set();
};
client.SendMessageAsync(bldr, eventData, null);
if (!are.WaitOne(5000))
{
Assert.Fail("SendMessageComplete event not fired for Subscribe.");
}
}
public void MessageIdValidationCatchesOutOfRangeMessageId()
{
var msgBuilder = new MqttSubscribeMessageBuilder();
try
{
msgBuilder.MessageId = 0x1FFFF;
}
catch (ArgumentException)
{
return;
}
catch (Exception)
{
Assert.Fail("Incorrect exception type thrown.");
}
Assert.Fail("No exception thrown for out of range MessageID");
}