public void MultipleSubscriptionsForAcknowledgedSubscriptionThrowsException()
{
Func <MqttMessage, bool> theCallback = null;
MqttSubscribeMessage subMsg = null;
var chMock = new Mock <IMqttConnectionHandler>();
// mock the call to register and save the callback for later.
chMock.Setup((x) => x.RegisterForMessage(MqttMessageType.SubscribeAck, It.IsAny <Func <MqttMessage, bool> >()))
.Callback((MqttMessageType msgtype, Func <MqttMessage, bool> cb) => theCallback = cb);
// mock the call to Send(), which should occur when the subscription manager tries to subscribe
chMock.Setup(x => x.SendMessage(It.IsAny <MqttSubscribeMessage>()))
.Callback((MqttMessage msg) => subMsg = (MqttSubscribeMessage)msg);
string topic = "testtopic";
MqttQos qos = MqttQos.AtMostOnce;
// run and verify the mocks were called.
Nmqtt.SubscriptionsManager subs = new Nmqtt.SubscriptionsManager(chMock.Object);
short subid = subs.RegisterSubscription <AsciiPublishDataConverter>(topic, qos);
chMock.VerifyAll();
// now check the message generated by the subscription manager was good - ie contain the topic at the specified qos
Assert.Contains(topic, subMsg.Payload.Subscriptions.Keys);
Assert.Equal <MqttQos>(MqttQos.AtMostOnce, subMsg.Payload.Subscriptions[topic]);
// 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.Equal <SubscriptionStatus>(SubscriptionStatus.Active, subs.GetSubscriptionsStatus(topic));
// NOW THE IMPORTANT PART - Try and subscribe agin to the same topic.
Assert.Throws <ArgumentException>(() => subs.RegisterSubscription <AsciiPublishDataConverter>(topic, qos));
}
public void SubscriptionRequestInvokesSend()
{
MqttSubscribeMessage subMsg = null;
var pubMock = new Mock <IPublishingManager>();
var chMock = new Mock <IMqttConnectionHandler>();
// mock the call to register and save the callback for later.
chMock.Setup(x => x.RegisterForMessage(MqttMessageType.SubscribeAck, It.IsAny <Func <MqttMessage, bool> >()));
// mock the call to Send(), which should occur when the subscription manager tries to subscribe
chMock.Setup(x => x.SendMessage(It.IsAny <MqttSubscribeMessage>()))
.Callback((MqttMessage msg) => subMsg = (MqttSubscribeMessage)msg);
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);
chMock.VerifyAll();
// now check the message generated by the subscription manager was good - ie contain the topic at the specified qos
Assert.Contains(topic, subMsg.Payload.Subscriptions.Keys);
Assert.Equal(MqttQos.AtMostOnce, subMsg.Payload.Subscriptions[topic]);
}
public void AcknowledgedSubscriptionRequestCreatesActiveSubscription()
{
Func <MqttMessage, bool> theCallback = null;
MqttSubscribeMessage subMsg = null;
var pubMock = new Mock <IPublishingManager>();
var chMock = new Mock <IMqttConnectionHandler>();
// mock the call to register and save the callback for later.
chMock.Setup(x => x.RegisterForMessage(MqttMessageType.SubscribeAck, It.IsAny <Func <MqttMessage, bool> >()))
.Callback((MqttMessageType msgtype, Func <MqttMessage, bool> cb) => theCallback = cb);
// mock the call to Send(), which should occur when the subscription manager tries to subscribe
chMock.Setup(x => x.SendMessage(It.IsAny <MqttSubscribeMessage>()))
.Callback((MqttMessage msg) => subMsg = (MqttSubscribeMessage)msg);
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);
chMock.VerifyAll();
// now check the message generated by the subscription manager was good - ie contain the topic at the specified qos
Assert.Contains(topic, subMsg.Payload.Subscriptions.Keys);
Assert.Equal(MqttQos.AtMostOnce, subMsg.Payload.Subscriptions[topic]);
// 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.Equal(SubscriptionStatus.Active, subs.GetSubscriptionsStatus(topic));
}
public void AcknowledgedSubscriptionRequestCreatesActiveSubscription()
{
Func<MqttMessage, bool> theCallback = null;
MqttSubscribeMessage subMsg = null;
var chMock = new Mock<IMqttConnectionHandler>();
// mock the call to register and save the callback for later.
chMock.Setup((x) => x.RegisterForMessage(MqttMessageType.SubscribeAck, It.IsAny<Func<MqttMessage, bool>>()))
.Callback((MqttMessageType msgtype, Func<MqttMessage, bool> cb) => theCallback = cb);
// mock the call to Send(), which should occur when the subscription manager tries to subscribe
chMock.Setup(x => x.SendMessage(It.IsAny<MqttSubscribeMessage>()))
.Callback((MqttMessage msg) => subMsg = (MqttSubscribeMessage)msg);
string topic = "testtopic";
MqttQos qos = MqttQos.AtMostOnce;
// run and verify the mocks were called.
Nmqtt.SubscriptionsManager subs = new Nmqtt.SubscriptionsManager(chMock.Object);
short subid = subs.RegisterSubscription<AsciiPublishDataConverter>(topic, qos);
chMock.VerifyAll();
// now check the message generated by the subscription manager was good - ie contain the topic at the specified qos
Assert.Contains(topic, subMsg.Payload.Subscriptions.Keys);
Assert.Equal<MqttQos>(MqttQos.AtMostOnce, subMsg.Payload.Subscriptions[topic]);
// 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.Equal<SubscriptionStatus>(SubscriptionStatus.Active, subs.GetSubscriptionsStatus(topic));
}
public void SubscriptionAckForNonPendingSubscriptionThrowsException()
{
Func <MqttMessage, bool> theCallback = null;
MqttSubscribeMessage subMsg = null;
var pubMock = new Mock <IPublishingManager>();
var chMock = new Mock <IMqttConnectionHandler>();
// mock the call to register and save the callback for later.
chMock.Setup(x => x.RegisterForMessage(MqttMessageType.SubscribeAck, It.IsAny <Func <MqttMessage, bool> >()))
.Callback((MqttMessageType msgtype, Func <MqttMessage, bool> cb) => theCallback = cb);
// mock the call to Send(), which should occur when the subscription manager tries to subscribe
chMock.Setup(x => x.SendMessage(It.IsAny <MqttSubscribeMessage>()))
.Callback((MqttMessage msg) => subMsg = (MqttSubscribeMessage)msg);
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);
chMock.VerifyAll();
// now check the message generated by the subscription manager was good - ie contain the topic at the specified qos
Assert.Contains(topic, subMsg.Payload.Subscriptions.Keys);
Assert.Equal(MqttQos.AtMostOnce, subMsg.Payload.Subscriptions[topic]);
// execute the callback with a bogus message identifier.
Assert.Throws <ArgumentException>(() => theCallback(new MqttSubscribeAckMessage().WithMessageIdentifier(999).AddQosGrant(MqttQos.AtMostOnce)));
}
public void MultipleSubscriptionsForSamePendingThrowsException()
{
var chMock = new Mock <IMqttConnectionHandler>();
// mock the call to register and save the callback for later.
chMock.Setup((x) => x.RegisterForMessage(MqttMessageType.SubscribeAck, It.IsAny <Func <MqttMessage, bool> >()));
string topic = "testtopic";
MqttQos qos = MqttQos.AtMostOnce;
// run and verify the mocks were called.
Nmqtt.SubscriptionsManager subs = new Nmqtt.SubscriptionsManager(chMock.Object);
subs.RegisterSubscription <AsciiPublishDataConverter>(topic, qos);
chMock.VerifyAll();
Assert.Throws <ArgumentException>(() => subs.RegisterSubscription <AsciiPublishDataConverter>(topic, qos));
}
public IObservable <MqttReceivedMessage <T> > ListenTo <T, TPayloadConverter>(string topic, MqttQos qosLevel)
where TPayloadConverter : IPayloadConverter <T>, new()
{
if (connectionHandler.State != ConnectionState.Connected)
{
throw new ConnectionException(connectionHandler.State);
}
return(subscriptionsManager.RegisterSubscription <T, TPayloadConverter>(topic, qosLevel));
}
public short Subscribe <TPublishDataConverter>(string topic, MqttQos qosLevel)
where TPublishDataConverter : IPublishDataConverter
{
if (connectionHandler.State != ConnectionState.Connected)
{
throw new ConnectionException(connectionHandler.State);
}
short messageIdentifier = subscriptionsManager.RegisterSubscription <TPublishDataConverter>(topic, qosLevel);
return(messageIdentifier);
}
public void SubscriptionAgainstInvalidTopicThrowsInvalidTopicException()
{
var chMock = new Mock <IMqttConnectionHandler>();
var pubMock = new Mock <IPublishingManager>();
const string badTopic = "finance/ibm#";
const MqttQos qos = MqttQos.AtMostOnce;
// run and verify the mocks were called.
var subs = new Nmqtt.SubscriptionsManager(chMock.Object, pubMock.Object);
Assert.Throws <InvalidTopicException>(() => subs.RegisterSubscription <byte[], PassThroughPayloadConverter>(badTopic, qos));
}
public void SubscriptionRequestCreatesPendingSubscription()
{
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);
subs.RegisterSubscription <AsciiPublishDataConverter>(topic, qos);
Assert.Equal <SubscriptionStatus>(SubscriptionStatus.Pending, subs.GetSubscriptionsStatus(topic));
}
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));
}
public void SubscriptionRequestCreatesPendingSubscription()
{
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.Equal(SubscriptionStatus.Pending, subs.GetSubscriptionsStatus(topic));
}
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 SubscriptionRequestInvokesSend()
{
MqttSubscribeMessage subMsg = null;
var pubMock = new Mock<IPublishingManager>();
var chMock = new Mock<IMqttConnectionHandler>();
// mock the call to register and save the callback for later.
chMock.Setup(x => x.RegisterForMessage(MqttMessageType.SubscribeAck, It.IsAny<Func<MqttMessage, bool>>()));
// mock the call to Send(), which should occur when the subscription manager tries to subscribe
chMock.Setup(x => x.SendMessage(It.IsAny<MqttSubscribeMessage>()))
.Callback((MqttMessage msg) => subMsg = (MqttSubscribeMessage)msg);
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);
chMock.VerifyAll();
// now check the message generated by the subscription manager was good - ie contain the topic at the specified qos
Assert.Contains(topic, subMsg.Payload.Subscriptions.Keys);
Assert.Equal(MqttQos.AtMostOnce, subMsg.Payload.Subscriptions[topic]);
}
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));
}
public void SubscriptionAgainstInvalidTopicThrowsInvalidTopicException() {
var chMock = new Mock<IMqttConnectionHandler>();
var pubMock = new Mock<IPublishingManager>();
const string badTopic = "finance/ibm#";
const MqttQos qos = MqttQos.AtMostOnce;
// run and verify the mocks were called.
var subs = new Nmqtt.SubscriptionsManager(chMock.Object, pubMock.Object);
Assert.Throws<InvalidTopicException>(() => subs.RegisterSubscription<byte[], PassThroughPayloadConverter>(badTopic, qos));
}
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"));
}
public void SubscriptionAckForNonPendingSubscriptionThrowsException()
{
Func<MqttMessage, bool> theCallback = null;
MqttSubscribeMessage subMsg = null;
var pubMock = new Mock<IPublishingManager>();
var chMock = new Mock<IMqttConnectionHandler>();
// mock the call to register and save the callback for later.
chMock.Setup(x => x.RegisterForMessage(MqttMessageType.SubscribeAck, It.IsAny<Func<MqttMessage, bool>>()))
.Callback((MqttMessageType msgtype, Func<MqttMessage, bool> cb) => theCallback = cb);
// mock the call to Send(), which should occur when the subscription manager tries to subscribe
chMock.Setup(x => x.SendMessage(It.IsAny<MqttSubscribeMessage>()))
.Callback((MqttMessage msg) => subMsg = (MqttSubscribeMessage)msg);
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);
chMock.VerifyAll();
// now check the message generated by the subscription manager was good - ie contain the topic at the specified qos
Assert.Contains(topic, subMsg.Payload.Subscriptions.Keys);
Assert.Equal(MqttQos.AtMostOnce, subMsg.Payload.Subscriptions[topic]);
// execute the callback with a bogus message identifier.
Assert.Throws<ArgumentException>(() => theCallback(new MqttSubscribeAckMessage().WithMessageIdentifier(999).AddQosGrant(MqttQos.AtMostOnce)));
}
public void MultipleSubscriptionsForSamePendingThrowsException()
{
var chMock = new Mock<IMqttConnectionHandler>();
// mock the call to register and save the callback for later.
chMock.Setup((x) => x.RegisterForMessage(MqttMessageType.SubscribeAck, It.IsAny<Func<MqttMessage, bool>>()));
string topic = "testtopic";
MqttQos qos = MqttQos.AtMostOnce;
// run and verify the mocks were called.
Nmqtt.SubscriptionsManager subs = new Nmqtt.SubscriptionsManager(chMock.Object);
subs.RegisterSubscription<AsciiPublishDataConverter>(topic, qos);
chMock.VerifyAll();
Assert.Throws<ArgumentException>(() => subs.RegisterSubscription<AsciiPublishDataConverter>(topic, qos));
}
