Merge pull request #3840 from Steve-Mcl/fix-mqtt-session-time

ensure sessionExpiry(Interval) is applied

packages/node_modules/@node-red/nodes/core/network/10-mqtt.js

@@ -474,7 +474,6 @@ module.exports = function(RED) {
             setIfHasProperty(opts, node, "protocolVersion", init);
             setIfHasProperty(opts, node, "keepalive", init);
             setIfHasProperty(opts, node, "cleansession", init);
-            setIfHasProperty(opts, node, "sessionExpiry", init);
             setIfHasProperty(opts, node, "topicAliasMaximum", init);
             setIfHasProperty(opts, node, "maximumPacketSize", init);
             setIfHasProperty(opts, node, "receiveMaximum", init);
@@ -484,6 +483,11 @@ module.exports = function(RED) {
             } else if (hasProperty(opts, "userProps")) {
                 node.userProperties = opts.userProps;
             }
+            if (hasProperty(opts, "sessionExpiry")) {
+                node.sessionExpiryInterval = opts.sessionExpiry;
+            } else if (hasProperty(opts, "sessionExpiryInterval")) {
+                node.sessionExpiryInterval = opts.sessionExpiryInterval
+            }
 
             function createLWT(topic, payload, qos, retain, v5opts, v5SubPropName) {
                 let message = undefined;
@@ -782,7 +786,9 @@ module.exports = function(RED) {
 
                         // Send any birth message
                         if (node.birthMessage) {
-                            node.publish(node.birthMessage);
+                            setTimeout(() => {
+                                node.publish(node.birthMessage);
+                            }, 1);
                         }
                     });
                     node._clientOn("reconnect", function() {

test/nodes/core/network/21-mqtt_spec.js

@@ -27,7 +27,7 @@ describe('MQTT Nodes', function () {
         } catch (error) { }
     });
 
-    it('should be loaded and have default values', function (done) {
+    it('should be loaded and have default values (MQTT V4)', function (done) {
         this.timeout = 2000;
         const { flow, nodes } = buildBasicMQTTSendRecvFlow({ id: "mqtt.broker", name: "mqtt_broker", autoConnect: false }, { id: "mqtt.in", topic: "in_topic" }, { id: "mqtt.out", topic: "out_topic" });
         helper.load(mqttNodes, flow, function () {
@@ -61,6 +61,52 @@ describe('MQTT Nodes', function () {
                 mqttBroker.options.clientId.should.containEql('nodered_');
                 mqttBroker.options.should.have.property('keepalive').type("number");
                 mqttBroker.options.should.have.property('reconnectPeriod').type("number");
+                //as this is not a v5 connection, ensure v5 properties are not present
+                mqttBroker.options.should.not.have.property('protocolVersion', 5);
+                mqttBroker.options.should.not.have.property('properties');
+                done();
+            } catch (error) {
+                done(error)
+            }
+        });
+    });
+    it('should be loaded and have default values (MQTT V5)', function (done) {
+        this.timeout = 2000;
+        const { flow, nodes } = buildBasicMQTTSendRecvFlow({ id: "mqtt.broker", name: "mqtt_broker", autoConnect: false, cleansession: false, clientid: 'clientid', keepalive: 35, sessionExpiry: '6000', protocolVersion: '5', userProps: {"prop": "val"}}, { id: "mqtt.in", topic: "in_topic" }, { id: "mqtt.out", topic: "out_topic" });
+        helper.load(mqttNodes, flow, function () {
+            try {
+                const mqttIn = helper.getNode("mqtt.in");
+                const mqttOut = helper.getNode("mqtt.out");
+                const mqttBroker = helper.getNode("mqtt.broker");
+
+                should(mqttIn).be.type("object", "mqtt in node should be an object")
+                mqttIn.should.have.property('broker', nodes.mqtt_broker.id); //should be the id of the broker node
+                mqttIn.should.have.property('datatype', 'utf8'); //default: 'utf8'
+                mqttIn.should.have.property('isDynamic', false);  //default: false
+                mqttIn.should.have.property('inputs', 0); //default: 0 
+                mqttIn.should.have.property('qos', 2); //default: 2
+                mqttIn.should.have.property('topic', "in_topic");
+                mqttIn.should.have.property('wires', [["helper.node"]]);
+
+                should(mqttOut).be.type("object", "mqtt out node should be an object")
+                mqttOut.should.have.property('broker', nodes.mqtt_broker.id); //should be the id of the broker node
+                mqttOut.should.have.property('topic', "out_topic");
+
+                should(mqttBroker).be.type("object", "mqtt broker node should be an object")
+                mqttBroker.should.have.property('broker', BROKER_HOST);
+                mqttBroker.should.have.property('port', BROKER_PORT);
+                mqttBroker.should.have.property('brokerurl');
+                // mqttBroker.should.have.property('autoUnsubscribe', true);//default: true 
+                mqttBroker.should.have.property('autoConnect', false);//Set "autoConnect:false" in brokerOptions 
+                mqttBroker.should.have.property('options');
+                mqttBroker.options.should.have.property('clean', false);
+                mqttBroker.options.should.have.property('clientId', 'clientid');
+                mqttBroker.options.should.have.property('keepalive').type("number", 35);
+                mqttBroker.options.should.have.property('reconnectPeriod').type("number");
+                //as this IS a v5 connection, ensure v5 properties are not present
+                mqttBroker.options.should.have.property('protocolVersion', 5);
+                mqttBroker.options.should.have.property('properties');
+                mqttBroker.options.properties.should.have.property('sessionExpiryInterval');
                 done();
             } catch (error) {
                 done(error)
@@ -173,7 +219,7 @@ describe('MQTT Nodes', function () {
             topic: nextTopic(),
             payload: '{prop:"value3", "num":3}', // send invalid JSON ...
         }
-        const hooks = { done: done, beforeLoad: null, afterLoad: null, afterConnect: null }
+        const hooks = { done: null, beforeLoad: null, afterLoad: null, afterConnect: null }
         hooks.afterLoad = (helperNode, mqttBroker, mqttIn, mqttOut) => {
             helperNode.on("input", function (msg) {
                 try {
@@ -299,7 +345,7 @@ describe('MQTT Nodes', function () {
             topic: nextTopic(),
             payload: '{prop:"value3", "num":3}', contentType: "application/json", // send invalid JSON ...
         }
-        const hooks = { done: done, beforeLoad: null, afterLoad: null, afterConnect: null }
+        const hooks = { done: null, beforeLoad: null, afterLoad: null, afterConnect: null }
         hooks.afterLoad = (helperNode, mqttBroker, mqttIn, mqttOut) => {
             helperNode.on("input", function (msg) {
                 try {
@@ -385,7 +431,7 @@ describe('MQTT Nodes', function () {
         if (skipTests) { return this.skip() }
         this.timeout = 2000;
         const options = {}
-        const hooks = { done: done, beforeLoad: null, afterLoad: null, afterConnect: null }
+        const hooks = { beforeLoad: null, afterLoad: null, afterConnect: null }
         hooks.beforeLoad = (flow) => { //add a status node pointed at MQTT Out node (to watch for connection status change)
             flow.push({ "id": "status.node", "type": "status", "name": "status_node", "scope": ["mqtt.out"], "wires": [["helper.node"]] });//add status node to watch mqtt_out
         }
@@ -416,18 +462,31 @@ describe('MQTT Nodes', function () {
         this.timeout = 2000;
         const baseTopic = nextTopic();
         const brokerOptions = {
+            autoConnect: false,
             protocolVersion: 4,
             birthTopic: baseTopic + "/birth",
-            birthPayload: "broker connected",
+            birthPayload: "broker birth",
             birthQos: 2,
         }
-        const options = {};
+        const expectMsg = {
-        const hooks = { done: done, beforeLoad: null, afterLoad: null, afterConnect: null };
-        options.expectMsg = {
             topic: brokerOptions.birthTopic,
             payload: brokerOptions.birthPayload,
             qos: brokerOptions.birthQos
         };
+        const options = { };
+        const hooks = { };
+        hooks.afterLoad = (helperNode, mqttBroker, mqttIn, mqttOut) => {
+            helperNode.on("input", function (msg) {
+                try {
+                    compareMsgToExpected(msg, expectMsg);
+                    done();
+                } catch (error) {
+                    done(error)
+                }
+            })
+            mqttIn.receive({ "action": "connect" }); //now request connect action
+            return true; //handled
+        }       
         testSendRecv(brokerOptions, { topic: brokerOptions.birthTopic }, {}, options, hooks);
     });
     itConditional('should publish close message', function (done) {
@@ -666,6 +725,7 @@ function buildMQTTBrokerNode(id, name, brokerHost, brokerPort, options) {
     node.cleansession = String(options.cleansession) == "false" ? false : true;
     node.autoUnsubscribe = String(options.autoUnsubscribe) == "false" ? false : true;
     node.autoConnect = String(options.autoConnect) == "false" ? false : true;
+    node.sessionExpiry = options.sessionExpiry ? options.sessionExpiry : undefined;
 
     if (options.birthTopic) {
         node.birthTopic = options.birthTopic;
@@ -760,8 +820,8 @@ function waitBrokerConnect(broker, timeLimit) {
     let waitConnected = (broker, timeLimit) => {
         const brokers = Array.isArray(broker) ? broker : [broker];
         timeLimit = timeLimit || 1000;
-        let timer, resolved = false;
         return new Promise( (resolve, reject) => {
+            let timer, resolved = false;
             timer = wait();
             function wait() {
                 if (brokers.every(e => e.connected == true)) {