agent updates

test/child-registration-utils.test.js

@@ -0,0 +1,55 @@
+const test = require('node:test');
+const assert = require('node:assert/strict');
+
+const ChildRegistrationUtils = require('../src/helper/childRegistrationUtils.js');
+
+function makeMainClass() {
+  return {
+    logger: {
+      debug() {},
+      info() {},
+      warn() {},
+      error() {},
+    },
+    child: {},
+    registerChildCalls: [],
+    registerChild(child, softwareType) {
+      this.registerChildCalls.push({ child, softwareType });
+    },
+  };
+}
+
+test('registerChild wires parent, measurement context, and storage', async () => {
+  const mainClass = makeMainClass();
+  const utils = new ChildRegistrationUtils(mainClass);
+
+  const measurementContext = {
+    childId: null,
+    childName: null,
+    parentRef: null,
+    setChildId(v) { this.childId = v; },
+    setChildName(v) { this.childName = v; },
+    setParentRef(v) { this.parentRef = v; },
+  };
+
+  const child = {
+    config: {
+      functionality: { softwareType: 'measurement' },
+      general: { name: 'PT1', id: 'child-1' },
+      asset: { category: 'sensor' },
+    },
+    measurements: measurementContext,
+  };
+
+  await utils.registerChild(child, 'upstream');
+
+  assert.deepEqual(child.parent, [mainClass]);
+  assert.equal(child.positionVsParent, 'upstream');
+  assert.equal(measurementContext.childId, 'child-1');
+  assert.equal(measurementContext.childName, 'PT1');
+  assert.equal(measurementContext.parentRef, mainClass);
+
+  assert.equal(mainClass.child.measurement.sensor.length, 1);
+  assert.equal(utils.getChildById('child-1'), child);
+  assert.equal(mainClass.registerChildCalls.length, 1);
+});