before functional changes by codex

test/helpers/factories.js

@@ -0,0 +1,111 @@
+const Measurement = require('../../src/specificClass');
+
+function makeUiConfig(overrides = {}) {
+  return {
+    unit: 'bar',
+    enableLog: false,
+    logLevel: 'error',
+    supplier: 'vendor',
+    category: 'sensor',
+    assetType: 'pressure',
+    model: 'PT-1',
+    scaling: true,
+    i_min: 0,
+    i_max: 100,
+    o_min: 0,
+    o_max: 10,
+    i_offset: 0,
+    count: 5,
+    smooth_method: 'mean',
+    simulator: false,
+    positionVsParent: 'atEquipment',
+    hasDistance: false,
+    distance: 0,
+    ...overrides,
+  };
+}
+
+function makeMeasurementConfig(overrides = {}) {
+  return {
+    general: {
+      id: 'm-test-1',
+      name: 'measurement-test',
+      unit: 'bar',
+      logging: { enabled: false, logLevel: 'error' },
+    },
+    asset: {
+      uuid: '',
+      tagCode: '',
+      tagNumber: 'PT-001',
+      supplier: 'vendor',
+      category: 'sensor',
+      type: 'pressure',
+      model: 'PT-1',
+      unit: 'bar',
+    },
+    scaling: {
+      enabled: true,
+      inputMin: 0,
+      inputMax: 100,
+      absMin: 0,
+      absMax: 10,
+      offset: 0,
+    },
+    smoothing: {
+      smoothWindow: 5,
+      smoothMethod: 'mean',
+    },
+    simulation: {
+      enabled: false,
+    },
+    functionality: {
+      positionVsParent: 'atEquipment',
+      distance: undefined,
+    },
+    ...overrides,
+  };
+}
+
+function makeNodeStub() {
+  const handlers = {};
+  const sent = [];
+  const status = [];
+  const warns = [];
+  return {
+    id: 'm-node-1',
+    source: null,
+    on(event, cb) { handlers[event] = cb; },
+    send(msg) { sent.push(msg); },
+    status(s) { status.push(s); },
+    warn(w) { warns.push(w); },
+    _handlers: handlers,
+    _sent: sent,
+    _status: status,
+    _warns: warns,
+  };
+}
+
+function makeREDStub(nodeMap = {}) {
+  return {
+    nodes: {
+      getNode(id) {
+        return nodeMap[id] || null;
+      },
+      createNode() {},
+      registerType() {},
+    },
+    httpAdmin: { get() {}, post() {} },
+  };
+}
+
+function makeMeasurementInstance(overrides = {}) {
+  return new Measurement(makeMeasurementConfig(overrides));
+}
+
+module.exports = {
+  makeUiConfig,
+  makeMeasurementConfig,
+  makeNodeStub,
+  makeREDStub,
+  makeMeasurementInstance,
+};