before functional changes by codex

test/helpers/factories.js

@@ -0,0 +1,128 @@
+const fs = require('node:fs');
+const path = require('node:path');
+const { MeasurementContainer } = require('generalFunctions');
+
+function makeMonsterConfig(overrides = {}) {
+  return {
+    general: {
+      name: 'Monster Test',
+      logging: { enabled: false, logLevel: 'error' },
+    },
+    asset: {
+      emptyWeightBucket: 3,
+    },
+    constraints: {
+      samplingtime: 1,
+      minVolume: 5,
+      maxWeight: 23,
+      nominalFlowMin: 1000,
+      flowMax: 6000,
+      maxRainRef: 10,
+      minSampleIntervalSec: 60,
+    },
+    ...overrides,
+  };
+}
+
+function withMockedDate(iso, fn) {
+  const RealDate = Date;
+  let now = new RealDate(iso).getTime();
+
+  class MockDate extends RealDate {
+    constructor(...args) {
+      if (args.length === 0) {
+        super(now);
+      } else {
+        super(...args);
+      }
+    }
+
+    static now() {
+      return now;
+    }
+  }
+
+  global.Date = MockDate;
+  try {
+    return fn({
+      advance(ms) {
+        now += ms;
+      },
+    });
+  } finally {
+    global.Date = RealDate;
+  }
+}
+
+function parseMonsternametijdenCsv(filePath) {
+  const raw = fs.readFileSync(filePath, 'utf8').trim();
+  const lines = raw.split(/\r?\n/);
+  const header = lines.shift();
+  const columns = header.split(',');
+
+  return lines
+    .filter((line) => line && !line.startsWith('-----------'))
+    .map((line) => {
+      const parts = [];
+      let cur = '';
+      let inQ = false;
+      for (let i = 0; i < line.length; i++) {
+        const ch = line[i];
+        if (ch === '"') {
+          inQ = !inQ;
+          continue;
+        }
+        if (ch === ',' && !inQ) {
+          parts.push(cur);
+          cur = '';
+        } else {
+          cur += ch;
+        }
+      }
+      parts.push(cur);
+      const obj = {};
+      columns.forEach((col, idx) => {
+        obj[col] = parts[idx];
+      });
+      return obj;
+    });
+}
+
+function makeFlowMeasurementChild({
+  id = 'flow-child-1',
+  name = 'FlowSensor',
+  positionVsParent = 'downstream',
+  unit = 'm3/h',
+} = {}) {
+  const measurements = new MeasurementContainer({
+    autoConvert: true,
+    defaultUnits: { flow: 'm3/h' },
+  });
+
+  return {
+    config: {
+      general: { id, name, unit },
+      functionality: { positionVsParent },
+      asset: { type: 'flow', unit },
+    },
+    measurements,
+  };
+}
+
+function loadRainSeed() {
+  const rainPath = path.join(__dirname, '..', 'seed_data', 'raindataFormat.json');
+  return JSON.parse(fs.readFileSync(rainPath, 'utf8'));
+}
+
+function loadScheduleSeed() {
+  const csvPath = path.join(__dirname, '..', 'seed_data', 'monsternametijden.csv');
+  return parseMonsternametijdenCsv(csvPath);
+}
+
+module.exports = {
+  makeMonsterConfig,
+  withMockedDate,
+  makeFlowMeasurementChild,
+  loadRainSeed,
+  loadScheduleSeed,
+};