before functional changes by codex

test/integration/measurement-event.integration.test.js

@@ -0,0 +1,37 @@
+const test = require('node:test');
+const assert = require('node:assert/strict');
+
+const { makeMeasurementInstance } = require('../helpers/factories');
+
+test('updateOutputAbs emits measurement event with configured type/position', async () => {
+  const m = makeMeasurementInstance({
+    asset: {
+      uuid: '',
+      tagCode: '',
+      tagNumber: 'PT-001',
+      supplier: 'vendor',
+      category: 'sensor',
+      type: 'pressure',
+      model: 'PT-1',
+      unit: 'bar',
+    },
+    functionality: {
+      positionVsParent: 'upstream',
+      distance: undefined,
+    },
+    smoothing: {
+      smoothWindow: 1,
+      smoothMethod: 'none',
+    },
+  });
+
+  const event = await new Promise((resolve) => {
+    m.measurements.emitter.once('pressure.measured.upstream', resolve);
+    m.calculateInput(30);
+  });
+
+  assert.equal(event.type, 'pressure');
+  assert.equal(event.variant, 'measured');
+  assert.equal(event.position, 'upstream');
+  assert.equal(typeof event.value, 'number');
+});