public void ConnectToInvalidPortThrowsConnectionException()
{
var ch = new SynchronousMqttConnectionHandler();
Assert.Throws <ConnectionException>(() => ch.Connect(mockBrokerAddress, badPort,
new MqttConnectMessage().WithClientIdentifier(testClientId)));
}
public void ConnectToBadHostNameThrowsConnectionException()
{
var ch = new SynchronousMqttConnectionHandler();
Assert.Throws <ConnectionException>(() => ch.Connect(nonExistantHostName, mockBrokerPort,
new MqttConnectMessage().WithClientIdentifier(testClientId)));
}
public void ConnectToInvalidPortInFaultedStateAfterConnectionException()
{
var ch = new SynchronousMqttConnectionHandler();
Assert.Throws <ConnectionException>(() => ch.Connect(mockBrokerAddress, badPort,
new MqttConnectMessage().WithClientIdentifier(testClientId)));
Assert.Equal <ConnectionState>(ConnectionState.Faulted, ch.ConnectionState);
}
public void ConnectToBadHostNameInFaultedStateAfterConnectionException()
{
var ch = new SynchronousMqttConnectionHandler();
Assert.Throws <ConnectionException>(() => ch.Connect(nonExistantHostName, mockBrokerPort,
new MqttConnectMessage().WithClientIdentifier(testClientId)));
Assert.Equal <ConnectionState>(ConnectionState.Faulted, ch.ConnectionState);
}
public void ConnectWithNoConnectAckThrowsExceptionAndSetsConnectionToDisconnected()
{
var ch = new SynchronousMqttConnectionHandler();
var ex = Assert.Throws <ConnectionException>(() => ch.Connect(mockBrokerAddress, mockBrokerPort,
new MqttConnectMessage().WithClientIdentifier(testClientId)));
Console.WriteLine("Exception Message Received {0}", ex.ToString());
Assert.Equal <ConnectionState>(ConnectionState.Disconnected, ch.ConnectionState);
}
public void SuccessfullResponseCausesConnectionStateConnected()
{
// register a method to process the Connect message and respond with a ConnectAck message
broker.SetMessageHandler((messageArrived) =>
{
MqttConnectMessage connect = (MqttConnectMessage)MqttMessage.CreateFrom(messageArrived);
MqttConnectAckMessage ack = new MqttConnectAckMessage().WithReturnCode(MqttConnectReturnCode.ConnectionAccepted);
broker.SendMessage(ack);
});
var ch = new SynchronousMqttConnectionHandler();
Assert.Equal <ConnectionState>(ConnectionState.Connected,
ch.Connect(mockBrokerAddress, mockBrokerPort, new MqttConnectMessage().WithClientIdentifier(testClientId)));
}
