Refactor monster to current architecture

config/exampleArray.js

@@ -1,4 +1,4 @@
-const inputExample = 
+const inputExample = // eslint-disable-line no-unused-vars
 //tensor 1
 [
   // 1 prediction per hour

monster.html

@@ -10,6 +10,8 @@ RED.nodes.registerType('monster', {
 
         // Define default properties
         name: { value: "", required: true },
+        processOutputFormat: { value: "process" },
+        dbaseOutputFormat: { value: "influxdb" },
         enableLog: { value: false },
         logLevel: { value: "error" },
 
@@ -228,6 +230,26 @@ RED.nodes.registerType('monster', {
 
  <hr />
 
+ <h3>Output Formats</h3>
+ <div class="form-row">
+   <label for="node-input-processOutputFormat"><i class="fa fa-random"></i> Process Output</label>
+   <select id="node-input-processOutputFormat" style="width:60%;">
+     <option value="process">process</option>
+     <option value="json">json</option>
+     <option value="csv">csv</option>
+   </select>
+ </div>
+ <div class="form-row">
+   <label for="node-input-dbaseOutputFormat"><i class="fa fa-database"></i> Database Output</label>
+   <select id="node-input-dbaseOutputFormat" style="width:60%;">
+     <option value="influxdb">influxdb</option>
+     <option value="json">json</option>
+     <option value="csv">csv</option>
+   </select>
+ </div>
+
+ <hr />
+
  <!-- loglevel checkbox -->
  <div class="form-row">
    <label for="node-input-enableLog"

monster.js

@@ -1,182 +1,9 @@
-module.exports = function (RED) {
-  function monster(config) {
+const nameOfNode = 'monster';
+const nodeClass = require('./src/nodeClass.js');
 
-    // create node
+module.exports = function(RED) {
+  RED.nodes.registerType(nameOfNode, function(config) {
     RED.nodes.createNode(this, config);
-
-    // call this => node so whenver you want to call a node function type node and the function behind it
-    var node = this;
-
-    try{
-    
-
-    // fetch monster object from monster.js
-    const Monster = require("./dependencies/monster/monster_class");
-    const OutputUtils = require("../generalFunctions/helper/outputUtils");
-
-    const mConfig={
-      general: {
-        name: config.name,
-        id: node.id,
-        unit: config.unit,
-        logging:{
-          logLevel: config.logLevel,
-          enabled: config.enableLog,
-        },
-      },
-      asset: {
-        supplier: config.supplier,
-        subType: config.subType,
-        model: config.model,
-        emptyWeightBucket: config.emptyWeightBucket,
-      },
-      constraints: {
-        minVolume: config.minVolume,
-        maxWeight: config.maxWeight,
-        samplingtime: config.samplingtime,
-      },
-    }
-
-    // make new monster on creation to work with.
-    const m = new Monster(mConfig);
-
-    // put m on node memory as source
-    node.source = m;
-
-    //load output utils
-    const output = new OutputUtils();
-
-    //internal vars
-    this.interval_id = null;
-
-    //updating node state
-    function updateNodeStatus() {
-      try{
-
-          const bucketVol = m.bucketVol;
-          const maxVolume = m.maxVolume;
-          const state = m.running;
-          const mode = "AI" ; //m.mode;
-
-          let status;
-
-          switch (state) {
-            case false:
-              status = { fill: "red", shape: "dot", text: `${mode}: OFF` };
-              break;
-            case true:
-              status = { fill: "green", shape: "dot", text: `${mode}: ON => ${bucketVol} | ${maxVolume}` };
-              break;
-          }
-
-          return status;
-      } catch (error) {
-        node.error("Error in updateNodeStatus: " + error);
-        return { fill: "red", shape: "ring", text: "Status Error" };
-      }
-    }
-
-    function tick(){
-      try{
-        // load status node
-        const status = updateNodeStatus();
-        // kick time based function in node
-        m.tick();
-        //show node status
-        node.status(status);
-      } catch (error) {
-        node.error("Error in tick function: " + error);
-        node.status({ fill: "red", shape: "ring", text: "Tick Error" });
-      }
-    }
-
-    // register child on first output this timeout is needed because of node - red stuff
-    setTimeout(
-      () => {
-        
-        /*---execute code on first start----*/
-        let msgs = [];
-
-        msgs[2] = { topic : "registerChild" , payload: node.id, positionVsParent: "upstream" };
-        msgs[3] = { topic : "registerChild" , payload: node.id, positionVsParent: "downstream" };
-        
-        //send msg
-        this.send(msgs);
-      }, 
-      100
-    );
-
-    //declare refresh interval internal node
-    setTimeout(
-      () => {
-        /*---execute code on first start----*/
-        this.interval_id = setInterval(function(){ tick() },1000)
-      }, 
-      1000
-    );
-  
-    node.on('input', function (msg,send,done) {
-      try{
-        switch(msg.topic) {
-          case 'registerChild':
-            const childId = msg.payload;
-            const childObj = RED.nodes.getNode(childId); 
-            m.childRegistrationUtils.registerChild(childObj.source ,msg.positionVsParent);
-            break;
-          case 'setMode':
-            m.setMode(msg.payload);
-            break;
-          case 'start':
-            m.i_start = true;
-            break;
-        }
-      } catch (error) {
-        node.error("Error in input function: " + error);
-        node.status({ fill: "red", shape: "ring", text: "Input Error" });
-      }
-
-      if(msg.topic == "i_flow"){
-        monster.q = parseFloat(msg.payload);
-      }
-    
-      if(msg.topic == "i_start"){
-        monster.i_start = true;
-      }
-
-      if(msg.topic == "model_prediction"){
-        let var1 = msg.payload.dagvoorheen;
-        let var2 = msg.payload.dagnadien;
-        monster.get_model_prediction(var1, var2);
-      }
-
-      if(msg.topic == "aquon_monsternametijden"){
-        monster.monsternametijden = msg.payload;
-      }
-
-      if(msg.topic == "rain_data"){
-        monster.rain_data = msg.payload;
-      }
-
-      //register child classes
-      if(msg.topic == "registerChild"){
-        let child = msg.payload;
-        monster.registerChild(child);
-
-      }
-
-      done();
-    });
-
-    // tidy up any async code here - shutdown connections and so on.
-    node.on('close', function() {
-      clearTimeout(this.interval_id);
-    });
-
-    } catch (error) {
-      node.error("Error in monster function: " + error);
-      node.status({ fill: "red", shape: "ring", text: "Monster Error" });
-    }
-  }
-  RED.nodes.registerType("monster", monster);
-  
+    this.nodeClass = new nodeClass(config, RED, this, nameOfNode);
+  });
 };

src/nodeClass.js

@@ -0,0 +1,156 @@
+const { outputUtils, configManager, POSITIONS } = require('generalFunctions');
+const Specific = require('./specificClass');
+
+class nodeClass {
+  constructor(uiConfig, RED, nodeInstance, nameOfNode) {
+    this.node = nodeInstance;
+    this.RED = RED;
+    this.name = nameOfNode;
+    this.source = null;
+
+    this._loadConfig(uiConfig);
+    this._setupSpecificClass();
+    this._bindEvents();
+    this._registerChild();
+    this._startTickLoop();
+    this._attachInputHandler();
+    this._attachCloseHandler();
+  }
+
+  _loadConfig(uiConfig) {
+    const cfgMgr = new configManager();
+
+    this.config = cfgMgr.buildConfig(this.name, uiConfig, this.node.id, {
+      constraints: {
+        samplingtime: Number(uiConfig.samplingtime) || 0,
+        minVolume: Number(uiConfig.minvolume ?? uiConfig.minVolume) || 5,
+        maxWeight: Number(uiConfig.maxweight ?? uiConfig.maxWeight) || 23,
+      },
+    });
+
+    this.config.functionality = {
+      ...this.config.functionality,
+      role: 'samplingCabinet',
+      aquonSampleName: uiConfig.aquon_sample_name || undefined,
+    };
+
+    this.config.asset = {
+      uuid: uiConfig.uuid || null,
+      supplier: uiConfig.supplier || 'Unknown',
+      type: 'sensor',
+      subType: uiConfig.subType || 'pressure',
+      model: uiConfig.model || 'Unknown',
+      emptyWeightBucket: Number(uiConfig.emptyWeightBucket) || 3,
+    };
+
+    this._output = new outputUtils();
+  }
+
+  _setupSpecificClass() {
+    this.source = new Specific(this.config);
+    this.node.source = this.source;
+  }
+
+  _bindEvents() {}
+
+  _updateNodeStatus() {
+    try {
+      const stateText = this.source.running
+        ? `${this.source.currentMode}: ON => ${this.source.bucketVol} | ${this.source.maxVolume}`
+        : `${this.source.currentMode}: OFF`;
+
+      return {
+        fill: this.source.running ? 'green' : 'red',
+        shape: 'dot',
+        text: stateText,
+      };
+    } catch (error) {
+      this.node.error(`Error in updateNodeStatus: ${error.message}`);
+      return { fill: 'red', shape: 'ring', text: 'Status Error' };
+    }
+  }
+
+  _registerChild() {
+    setTimeout(() => {
+      this.node.send([
+        null,
+        null,
+        { topic: 'registerChild', payload: this.node.id, positionVsParent: POSITIONS.UPSTREAM },
+        { topic: 'registerChild', payload: this.node.id, positionVsParent: POSITIONS.DOWNSTREAM },
+      ]);
+    }, 100);
+  }
+
+  _startTickLoop() {
+    setTimeout(() => {
+      this._tickInterval = setInterval(() => this._tick(), 1000);
+      this._statusInterval = setInterval(() => {
+        this.node.status(this._updateNodeStatus());
+      }, 1000);
+    }, 1000);
+  }
+
+  _tick() {
+    this.source.tick();
+
+    const raw = this.source.getOutput();
+    const processMsg = this._output.formatMsg(raw, this.config, 'process');
+    const influxMsg = this._output.formatMsg(raw, this.config, 'influxdb');
+
+    this.node.send([processMsg, influxMsg, null, null]);
+  }
+
+  _attachInputHandler() {
+    this.node.on('input', (msg, _send, done) => {
+      try {
+        switch (msg.topic) {
+          case 'registerChild': {
+            const childId = msg.payload;
+            const childObj = this.RED.nodes.getNode(childId);
+            if (childObj?.source) {
+              this.source.childRegistrationUtils.registerChild(childObj.source, msg.positionVsParent);
+            }
+            break;
+          }
+          case 'setMode':
+            this.source.setMode(msg.payload);
+            break;
+          case 'start':
+          case 'i_start':
+            this.source.i_start = true;
+            break;
+          case 'i_flow':
+            this.source.q = Number(msg.payload) || 0;
+            break;
+          case 'aquon_monsternametijden':
+            this.source.monsternametijden = msg.payload;
+            break;
+          case 'rain_data':
+            this.source.rain_data = msg.payload;
+            break;
+          case 'model_prediction':
+            this.source.setModelPrediction(msg.payload);
+            break;
+          default:
+            this.source.logger.warn(`Unknown topic: ${msg.topic}`);
+            break;
+        }
+      } catch (error) {
+        this.node.error(`Error in input function: ${error.message}`);
+        this.node.status({ fill: 'red', shape: 'ring', text: 'Input Error' });
+      }
+
+      done();
+    });
+  }
+
+  _attachCloseHandler() {
+    this.node.on('close', (done) => {
+      clearInterval(this._tickInterval);
+      clearInterval(this._statusInterval);
+      done();
+    });
+  }
+}
+
+module.exports = nodeClass;

src/specificClass.js

@@ -0,0 +1,393 @@
+const EventEmitter = require('events');
+const { logger, configUtils, convert, childRegistrationUtils } = require('generalFunctions');
+const defaultConfig = require('../dependencies/monster/monsterConfig.json');
+
+class Monster {
+  constructor(config = {}) {
+    const loggingEnabled = config.general?.logging?.enabled ?? true;
+    const logLevel = config.general?.logging?.logLevel ?? 'info';
+
+    this.emitter = new EventEmitter();
+    this.configUtils = new configUtils(defaultConfig, loggingEnabled, logLevel);
+    this.config = this.configUtils.initConfig(config);
+    this.logger = new logger(loggingEnabled, logLevel, this.config.general.name);
+    this.childRegistrationUtils = new childRegistrationUtils(this);
+    this.convert = convert;
+
+    this.output = {};
+    this.child = {};
+    this.currentMode = 'AI';
+    this.externalPrediction = null;
+
+    this.aquonSampleName = this.config.functionality?.aquonSampleName || '112100';
+    this._monsternametijden = {};
+    this._rain_data = {};
+    this.aggregatedOutput = {};
+    this.sumRain = 0;
+    this.avgRain = 0;
+    this.daysPerYear = 0;
+
+    this.pulse = false;
+    this.bucketVol = 0;
+    this.sumPuls = 0;
+    this.predFlow = 0;
+    this.bucketWeight = 0;
+
+    this.q = 0;
+    this.i_start = false;
+    this.sampling_time = Number(this.config.constraints?.samplingtime) || 0;
+    this.emptyWeightBucket = Number(this.config.asset?.emptyWeightBucket) || 0;
+
+    this.temp_pulse = 0;
+    this.volume_pulse = 0.05;
+    this.minVolume = Number(this.config.constraints?.minVolume) || 0;
+    this.maxVolume = 0;
+    this.maxWeight = Number(this.config.constraints?.maxWeight) || 0;
+    this.cap_volume = 55;
+    this.targetVolume = 0;
+    this.minPuls = 0;
+    this.maxPuls = 0;
+    this.absMaxPuls = 0;
+    this.targetPuls = 0;
+    this.m3PerPuls = 0;
+    this.predM3PerSec = 0;
+    this.m3PerTick = 0;
+    this.m3Total = 0;
+    this.running = false;
+
+    this.qLineRaw = {};
+    this.minSeen = {};
+    this.maxSeen = {};
+    this.qLineRefined = {};
+    this.calcTimeShiftDry = 0;
+    this.calcTimeShiftWet = 0;
+    this.calcCapacitySewer = 0;
+    this.minDryHours = 0;
+    this.minWetHours = 0;
+    this.resolution = 0;
+    this.tmpTotQ = 0;
+
+    this.predFactor = 0.7;
+    this.start_time = Date.now();
+    this.stop_time = Date.now();
+    this.flowTime = 0;
+    this.timePassed = 0;
+    this.timeLeft = 0;
+    this.currHour = new Date().getHours();
+    this.nextDate = new Date(new Date().setFullYear(new Date().getFullYear() + 1)).getTime();
+
+    this.setMode(this.currentMode);
+    this.set_boundries_and_targets();
+    this.regNextDate(this.monsternametijden);
+    this._syncOutput();
+  }
+
+  set monsternametijden(value) {
+    if (!value || typeof value !== 'object' || Object.keys(value).length === 0) {
+      return;
+    }
+
+    const firstEntry = Array.isArray(value) ? value[0] : Object.values(value)[0];
+    if (
+      firstEntry &&
+      typeof firstEntry.SAMPLE_NAME !== 'undefined' &&
+      typeof firstEntry.DESCRIPTION !== 'undefined' &&
+      typeof firstEntry.SAMPLED_DATE !== 'undefined' &&
+      typeof firstEntry.START_DATE !== 'undefined' &&
+      typeof firstEntry.END_DATE !== 'undefined'
+    ) {
+      this._monsternametijden = value;
+      this.regNextDate(value);
+      this._syncOutput();
+    }
+  }
+
+  get monsternametijden() {
+    return this._monsternametijden;
+  }
+
+  set rain_data(value) {
+    this._rain_data = value;
+
+    if (value && this.running === false) {
+      this.updatePredRain(value);
+      this._syncOutput();
+    }
+  }
+
+  get rain_data() {
+    return this._rain_data;
+  }
+
+  set bucketVol(val) {
+    this._bucketVol = Number(val) || 0;
+    this.output.bucketVol = this._bucketVol;
+    this.bucketWeight = this._bucketVol + this.emptyWeightBucket;
+  }
+
+  get bucketVol() {
+    return this._bucketVol;
+  }
+
+  set minVolume(val) {
+    const safeValue = Number(val) === 0 ? 1 : Number(val) || 0;
+    this._minVolume = safeValue;
+    this.output.minVolume = safeValue;
+  }
+
+  get minVolume() {
+    return this._minVolume;
+  }
+
+  set q(val) {
+    const parsed = Number(val) || 0;
+    this._q = parsed;
+    this.output.q = parsed;
+    this.output.qm3sec = this.convert(parsed).from('m3/h').to('m3/s');
+  }
+
+  get q() {
+    return this._q;
+  }
+
+  setMode(mode) {
+    this.currentMode = mode || 'AI';
+    this.output.mode = this.currentMode;
+  }
+
+  setModelPrediction(value) {
+    const parsed = Number(value);
+    if (!Number.isFinite(parsed) || parsed < 0) {
+      this.logger.warn(`Ignoring invalid model prediction: ${value}`);
+      return;
+    }
+
+    this.externalPrediction = parsed;
+    this.predFlow = parsed;
+    this.output.predFlow = parsed;
+  }
+
+  set_boundries_and_targets() {
+    this.maxVolume = Math.max(0, this.maxWeight - this.emptyWeightBucket);
+    this.minPuls = Math.round(this.minVolume / this.volume_pulse);
+    this.maxPuls = Math.round(this.maxVolume / this.volume_pulse);
+    this.absMaxPuls = Math.round(this.cap_volume / this.volume_pulse);
+
+    if (this.minVolume > 0 && this.maxVolume > 0) {
+      this.targetVolume = this.minVolume * Math.sqrt(this.maxVolume / this.minVolume);
+      this.targetPuls = Math.round(this.targetVolume / this.volume_pulse);
+    } else {
+      this.targetVolume = 0;
+      this.targetPuls = 0;
+    }
+  }
+
+  updateArchiveRain(_val) {}
+
+  updatePredRain(value) {
+    if (!value || typeof value !== 'object') {
+      return this.aggregatedOutput;
+    }
+
+    const totalProb = {};
+    let numberOfLocations = 0;
+
+    this.aggregatedOutput = {};
+
+    Object.entries(value).forEach(([locationKey, location]) => {
+      if (!location?.hourly?.time) {
+        return;
+      }
+
+      numberOfLocations++;
+      this.aggregatedOutput[locationKey] = {
+        tag: {
+          latitude: location.latitude,
+          longitude: location.longitude,
+        },
+        precipationRaw: {},
+        precipationProb: {},
+      };
+
+      Object.entries(location.hourly.time).forEach(([key, time]) => {
+        const currTimestamp = new Date(time).getTime();
+        const precipitation = Number(location.hourly.precipitation?.[key]) || 0;
+        let probability = Number(location.hourly.precipitation_probability?.[key]);
+
+        if (!Number.isFinite(probability)) {
+          probability = 100;
+        }
+        if (probability > 0) {
+          probability /= 100;
+        }
+
+        totalProb[currTimestamp] = (totalProb[currTimestamp] || 0) + (precipitation * probability);
+        this.aggregatedOutput[locationKey].precipationRaw[key] = { val: precipitation, time: currTimestamp };
+        this.aggregatedOutput[locationKey].precipationProb[key] = { val: probability, time: currTimestamp };
+      });
+    });
+
+    this.sumRain = Object.values(totalProb).reduce((sum, current) => sum + current, 0);
+    this.avgRain = numberOfLocations > 0 ? this.sumRain / numberOfLocations : 0;
+
+    return this.aggregatedOutput;
+  }
+
+  get_model_prediction() {
+    if (Number.isFinite(this.externalPrediction)) {
+      this.predFlow = this.externalPrediction;
+    } else if (!Number.isFinite(this.predFlow)) {
+      this.predFlow = 0;
+    }
+
+    this.output.predFlow = this.predFlow;
+    return this.predFlow;
+  }
+
+  sampling_program() {
+    if ((this.i_start || Date.now() >= this.nextDate) && !this.running) {
+      this.running = true;
+      this.temp_pulse = 0;
+      this.pulse = false;
+      this.bucketVol = 0;
+      this.sumPuls = 0;
+      this.m3Total = 0;
+      this.timePassed = 0;
+      this.timeLeft = 0;
+      this.predM3PerSec = 0;
+
+      const prediction = this.get_model_prediction();
+      this.m3PerPuls = prediction > 0 && this.targetPuls > 0 ? Math.max(Math.round(prediction / this.targetPuls), 1) : 0;
+      this.predM3PerSec = this.sampling_time > 0 ? prediction / this.sampling_time / 60 / 60 : 0;
+
+      this.start_time = Date.now();
+      this.stop_time = Date.now() + (this.sampling_time * 60 * 60 * 1000);
+      this.regNextDate(this.monsternametijden);
+      this.i_start = false;
+    }
+
+    if (this.running && this.stop_time > Date.now()) {
+      this.timePassed = Math.round((Date.now() - this.start_time) / 1000);
+      this.timeLeft = Math.round((this.stop_time - Date.now()) / 1000);
+
+      if (this.m3PerPuls > 0) {
+        const update = this.m3PerTick / this.m3PerPuls;
+        this.temp_pulse += update;
+      }
+
+      this.m3Total += this.m3PerTick;
+
+      if (this.temp_pulse >= 1 && this.sumPuls < this.absMaxPuls) {
+        this.temp_pulse -= 1;
+        this.pulse = true;
+        this.sumPuls++;
+        this.bucketVol = Math.round(this.sumPuls * this.volume_pulse * 100) / 100;
+      } else if (this.pulse) {
+        this.pulse = false;
+      }
+    } else if (this.running) {
+      this.m3PerPuls = 0;
+      this.temp_pulse = 0;
+      this.pulse = false;
+      this.bucketVol = 0;
+      this.sumPuls = 0;
+      this.timePassed = 0;
+      this.timeLeft = 0;
+      this.predFlow = Number.isFinite(this.externalPrediction) ? this.externalPrediction : 0;
+      this.predM3PerSec = 0;
+      this.m3Total = 0;
+      this.running = false;
+    }
+  }
+
+  flowCalc() {
+    const timePassed = this.flowTime > 0 ? (Date.now() - this.flowTime) / 1000 : 0;
+    this.m3PerTick = this.q / 60 / 60 * timePassed;
+    this.flowTime = Date.now();
+  }
+
+  tick() {
+    this.flowCalc();
+    this.sampling_program();
+    this.logQoverTime();
+    this._syncOutput();
+  }
+
+  regNextDate(monsternametijden) {
+    let nextDate = new Date(new Date().setFullYear(new Date().getFullYear() + 1)).getTime();
+    let daysRemaining = 0;
+
+    if (monsternametijden && typeof monsternametijden === 'object') {
+      Object.entries(monsternametijden).forEach(([_key, line]) => {
+        if (!line || line.START_DATE === 'NULL') {
+          return;
+        }
+
+        const currentDate = new Date(line.START_DATE);
+        const currentTimestamp = currentDate.getTime();
+
+        if (line.SAMPLE_NAME === this.aquonSampleName && currentTimestamp > Date.now()) {
+          if (currentTimestamp < nextDate) {
+            nextDate = currentTimestamp;
+          }
+
+          if (new Date().getFullYear() === currentDate.getFullYear()) {
+            daysRemaining++;
+          }
+        }
+      });
+    }
+
+    this.daysPerYear = daysRemaining;
+    this.nextDate = nextDate;
+  }
+
+  logQoverTime() {
+    const currentHour = new Date().getHours();
+    if (this.currHour !== currentHour) {
+      this.qLineRaw[this.currHour] = this.tmpTotQ;
+      this.tmpTotQ = 0;
+      this.currHour = currentHour;
+    } else {
+      this.tmpTotQ += this.q;
+    }
+  }
+
+  createMinMaxSeen() {
+    this.minSeen = {};
+    this.maxSeen = {};
+    for (let hour = 1; hour < this.sampling_time; hour++) {
+      this.minSeen[hour] = null;
+      this.maxSeen[hour] = null;
+    }
+  }
+
+  _syncOutput() {
+    this.output = {
+      ...this.output,
+      pulse: this.pulse,
+      bucketVol: this.bucketVol,
+      sumPuls: this.sumPuls,
+      predFlow: this.predFlow,
+      predM3PerSec: this.predM3PerSec,
+      bucketWeight: this.bucketWeight,
+      m3PerTick: this.m3PerTick,
+      m3Total: this.m3Total,
+      running: this.running,
+      timePassed: this.timePassed,
+      timeLeft: this.timeLeft,
+      daysPerYear: this.daysPerYear,
+      nextDate: this.nextDate,
+      avgRain: this.avgRain,
+      sumRain: this.sumRain,
+      mode: this.currentMode,
+    };
+  }
+
+  getOutput() {
+    this._syncOutput();
+    return { ...this.output };
+  }
+}
+
+module.exports = Monster;

test/specificClass.test.js

@@ -0,0 +1,95 @@
+const Monster = require('../src/specificClass');
+
+describe('monster specificClass', () => {
+  function createMonster(overrides = {}) {
+    return new Monster({
+      general: {
+        name: 'Monster Test',
+        unit: 'm3/h',
+        logging: {
+          enabled: false,
+          logLevel: 'error',
+        },
+      },
+      asset: {
+        emptyWeightBucket: 3,
+      },
+      constraints: {
+        samplingtime: 1,
+        minVolume: 5,
+        maxWeight: 23,
+      },
+      functionality: {
+        aquonSampleName: '112100',
+      },
+      ...overrides,
+    });
+  }
+
+  test('aggregates rain data and exposes output state', () => {
+    const monster = createMonster();
+
+    monster.rain_data = [
+      {
+        latitude: 51.7,
+        longitude: 4.81,
+        hourly: {
+          time: ['2026-03-12T00:00', '2026-03-12T01:00'],
+          precipitation: [1, 3],
+          precipitation_probability: [100, 50],
+        },
+      },
+      {
+        latitude: 51.8,
+        longitude: 4.91,
+        hourly: {
+          time: ['2026-03-12T00:00', '2026-03-12T01:00'],
+          precipitation: [2, 2],
+          precipitation_probability: [100, 100],
+        },
+      },
+    ];
+
+    const output = monster.getOutput();
+
+    expect(monster.sumRain).toBe(6.5);
+    expect(monster.avgRain).toBe(3.25);
+    expect(output.sumRain).toBe(6.5);
+    expect(output.avgRain).toBe(3.25);
+  });
+
+  test('supports external prediction input and starts sampling safely', () => {
+    const monster = createMonster();
+
+    monster.setModelPrediction(120);
+    monster.q = 3600;
+    monster.i_start = true;
+    monster.flowTime = Date.now() - 1000;
+
+    monster.tick();
+
+    const output = monster.getOutput();
+    expect(output.running).toBe(true);
+    expect(output.predFlow).toBe(120);
+    expect(output.predM3PerSec).toBeCloseTo(120 / 3600, 6);
+  });
+
+  test('calculates the next AQUON date from monsternametijden input', () => {
+    const monster = createMonster();
+    const nextMonth = new Date();
+    nextMonth.setMonth(nextMonth.getMonth() + 1);
+
+    monster.monsternametijden = [
+      {
+        SAMPLE_NAME: '112100',
+        DESCRIPTION: 'future sample',
+        SAMPLED_DATE: null,
+        START_DATE: nextMonth.toISOString(),
+        END_DATE: nextMonth.toISOString(),
+      },
+    ];
+
+    expect(monster.daysPerYear).toBeGreaterThanOrEqual(0);
+    expect(monster.nextDate).toBeGreaterThan(Date.now());
+  });
+});