public void GetSubscriptionForPendingSubscriptionReturnsNull()
{
var chMock = new Mock <IMqttConnectionHandler>();
string topic = "testtopic";
MqttQos qos = MqttQos.AtMostOnce;
// run and verify the mocks were called.
Nmqtt.SubscriptionsManager subs = new Nmqtt.SubscriptionsManager(chMock.Object);
var subid = subs.RegisterSubscription <AsciiPublishDataConverter>(topic, qos);
Assert.Null(subs.GetSubscription(topic));
}
/// <summary>
/// Handles the processing of messages arriving from the message broker.
/// </summary>
/// <param name="mqttMessage"></param>
private bool HandlePublishMessage(MqttMessage message)
{
MqttPublishMessage pubMsg = (MqttPublishMessage)message;
Subscription subs = subscriptionsManager.GetSubscription(pubMsg.VariableHeader.TopicName);
if (subs == null)
{
return(false);
}
// pass it on to the event subscribers.
OnMessageAvailable(pubMsg.VariableHeader.TopicName, subs.DataProcessor.ConvertFromBytes(pubMsg.Payload.Message.ToArray()));
return(true);
}
public void GetSubscriptionWithValidTopicReturnsSubscription()
{
Func <MqttMessage, bool> theCallback = null;
var chMock = new Mock <IMqttConnectionHandler>();
chMock.Setup((x) => x.RegisterForMessage(MqttMessageType.SubscribeAck, It.IsAny <Func <MqttMessage, bool> >()))
.Callback((MqttMessageType msgtype, Func <MqttMessage, bool> cb) => theCallback = cb);
string topic = "testtopic";
MqttQos qos = MqttQos.AtMostOnce;
// run and verify the mocks were called.
Nmqtt.SubscriptionsManager subs = new Nmqtt.SubscriptionsManager(chMock.Object);
var subid = subs.RegisterSubscription <AsciiPublishDataConverter>(topic, qos);
// execute the callback that would normally be initiated by the connection handler when a sub ack message arrived.
theCallback(new MqttSubscribeAckMessage().WithMessageIdentifier(subid).AddQosGrant(MqttQos.AtMostOnce));
Assert.NotNull(subs.GetSubscription(topic));
}
public void GetSubscriptionForPendingSubscriptionReturnsNull() {
var chMock = new Mock<IMqttConnectionHandler>();
var pubMock = new Mock<IPublishingManager>();
const string topic = "testtopic";
const MqttQos qos = MqttQos.AtMostOnce;
// run and verify the mocks were called.
var subs = new Nmqtt.SubscriptionsManager(chMock.Object, pubMock.Object);
subs.RegisterSubscription<string, AsciiPayloadConverter>(topic, qos);
Assert.Null(subs.GetSubscription(topic));
}
public void GetSubscriptionWithInvalidTopicReturnsNull()
{
Func<MqttMessage, bool> theCallback = null;
var pubMock = new Mock<IPublishingManager>();
var chMock = new Mock<IMqttConnectionHandler>();
chMock.Setup(x => x.RegisterForMessage(MqttMessageType.SubscribeAck, It.IsAny<Func<MqttMessage, bool>>()))
.Callback((MqttMessageType msgtype, Func<MqttMessage, bool> cb) => theCallback = cb);
const string topic = "testtopic";
const MqttQos qos = MqttQos.AtMostOnce;
// run and verify the mocks were called.
var subs = new Nmqtt.SubscriptionsManager(chMock.Object, pubMock.Object);
subs.RegisterSubscription<string, AsciiPayloadConverter>(topic, qos);
// execute the callback that would normally be initiated by the connection handler when a sub ack message arrived.
theCallback(new MqttSubscribeAckMessage().WithMessageIdentifier(1).AddQosGrant(MqttQos.AtMostOnce));
Assert.Null(subs.GetSubscription("abc_badTopic"));
}
