update on the agents and registry side

tests/lib/distance.test.js

@@ -1,4 +1,11 @@
-import { calculateDrivingDistance, calculateTotalCharge, getLastRouteDurationMin } from '@/lib/distance';
+import {
+  calculateDrivingDistance,
+  calculateDrivingRoute,
+  calculateTotalCharge,
+  formatRouteDistance,
+  formatRouteDuration,
+  getLastRouteDurationMin
+} from '@/lib/distance';
 
 /**
  * Distance and charge for a delivery leg.
@@ -183,6 +190,60 @@ describe('calculateDrivingDistance', () => {
   });
 });
 
+describe('calculateDrivingRoute — sub-kilometre legs', () => {
+  beforeEach(() => {
+    global.fetch = jest.fn();
+  });
+
+  it('should keep the unrounded road length in metres alongside whole-km distance', async () => {
+    // A same-address order: OSRM snaps both pins to the road and returns ~120 m.
+    // `distance` (billed) rounds to 0 km; `meters` is what the operator sees.
+    global.fetch.mockResolvedValue(osrmOk(123.4, 20));
+    const res = await calculateDrivingRoute(BLR, { latitude: 12.9717, longitude: 77.5947 });
+    expect(res.distance).toBe(0);
+    expect(res.meters).toBe(123);
+    expect(res.minutes).toBe(0);
+  });
+
+  it('should report metres on the Haversine fallback too', async () => {
+    global.fetch.mockResolvedValue({ ok: false, json: async () => ({}) });
+    const res = await calculateDrivingRoute(BLR, { ...BLR });
+    expect(res.distance).toBe(0);
+    expect(res.meters).toBe(0);
+  });
+});
+
+describe('formatRouteDistance', () => {
+  it.each([
+    [0, '0 m'],
+    [123, '120 m'],
+    [996, '1 km'],
+    [1000, '1 km'],
+    [1449, '1.4 km'],
+    [8200, '8.2 km']
+  ])('should format %d m as %s', (meters, expected) => {
+    expect(formatRouteDistance(meters)).toBe(expected);
+  });
+
+  it.each([[null], [undefined], [NaN], [-5]])('should show a dash for %p', (value) => {
+    expect(formatRouteDistance(value)).toBe('—');
+  });
+});
+
+describe('formatRouteDuration', () => {
+  it('should show "< 1 min" for a sub-minute drive rather than a default', () => {
+    expect(formatRouteDuration(0)).toBe('< 1 min');
+  });
+
+  it('should show whole minutes', () => {
+    expect(formatRouteDuration(15)).toBe('15 mins');
+  });
+
+  it.each([[null], [undefined]])('should show a dash when there is no ETA (%p)', (value) => {
+    expect(formatRouteDuration(value)).toBe('—');
+  });
+});
+
 describe('calculateTotalCharge', () => {
   it('should charge only the base price below the minimum distance', () => {
     expect(calculateTotalCharge(3, 30, 6, 8)).toBe(30);