split export

apps/edr-freight-api/src/contracts/contract-rate-schedule.builder.spec.ts

@@ -0,0 +1,98 @@
+import { ContractRateScheduleBuilder } from './contract-rate-schedule.builder';
+import { Rate } from '../modules/rule-engine/entities/rate.entity';
+
+/** Minimal Rate factory for the builder unit tests. */
+function rate(partial: Partial<Rate>): Rate {
+  return {
+    trigger: 'ALWAYS',
+    appliesTo: 'CONTAINER',
+    tradeDirection: 'IMPORT',
+    rateType: 'CONTAINER_IMPORT',
+    currency: 'USD',
+    rateValue: 200,
+    rateUnit: 'PER_CONTAINER',
+    ...partial,
+  } as Rate;
+}
+
+describe('ContractRateScheduleBuilder', () => {
+  const LIVE: Rate[] = [
+    rate({
+      appliesTo: 'CONTAINER',
+      tradeDirection: 'IMPORT',
+      rateType: 'CONTAINER_IMPORT',
+      rateValue: 200,
+      rateUnit: 'PER_CONTAINER',
+      originYard: { label: 'Negad' } as never,
+      destinationYard: { label: 'Mojo Dry Port' } as never,
+      containerType: { label: '40ft GP' } as never,
+    }),
+    rate({
+      appliesTo: 'CONTAINER',
+      tradeDirection: 'EXPORT', // wrong direction — must be filtered out for import
+      rateType: 'CONTAINER_EXPORT',
+      rateValue: 819,
+      originYard: { label: 'GMP' } as never,
+      destinationYard: { label: 'SGTD' } as never,
+    }),
+    rate({
+      appliesTo: 'BULK', // wrong freight — filtered out for a container contract
+      tradeDirection: 'IMPORT',
+      rateType: 'BULK_IMPORT',
+      rateUnit: 'PER_WAGON',
+      rateValue: 100,
+    }),
+    rate({
+      appliesTo: 'FIRST_MILE',
+      trigger: 'ALWAYS',
+      tradeDirection: null,
+      rateUnit: 'PER_CONTAINER',
+      rateValue: 50,
+    }),
+    rate({
+      appliesTo: 'OTHER',
+      trigger: 'CUSTOMS_CLEARANCE',
+      tradeDirection: null,
+      rateType: 'CUSTOMS_CLEARANCE',
+      rateUnit: 'FLAT',
+      rateValue: 120,
+    }),
+  ];
+
+  const build = (dir: 'IMP' | 'EXP' | 'DOM', freight: 'CON' | 'BULK') => {
+    const service = { findLiveRatesDetailed: jest.fn().mockResolvedValue(LIVE) };
+    return new ContractRateScheduleBuilder(service as never).build(dir, freight);
+  };
+
+  it('shows only import container lanes for an import container contract', async () => {
+    const s = await build('IMP', 'CON');
+    expect(s.freightLanes).toHaveLength(1);
+    expect(s.freightLanes[0]).toMatchObject({
+      route: 'Negad → Mojo Dry Port',
+      cargo: '40ft GP',
+      currency: 'USD',
+      amount: '200',
+      unit: 'per container',
+    });
+  });
+
+  it('always lists route-agnostic services and surcharges', async () => {
+    const s = await build('IMP', 'CON');
+    expect(s.additionalServices).toHaveLength(1);
+    expect(s.additionalServices[0].route).toBe('First-mile pickup by truck');
+    expect(s.surcharges).toHaveLength(1);
+    expect(s.surcharges[0].route).toBe('Customs clearance service');
+  });
+
+  it('excludes container lanes from a bulk contract', async () => {
+    const s = await build('IMP', 'BULK');
+    expect(s.freightLanes).toHaveLength(1);
+    expect(s.freightLanes[0]).toMatchObject({ amount: '100', unit: 'per wagon' });
+  });
+
+  it('flags an empty schedule when nothing priced matches', async () => {
+    const service = { findLiveRatesDetailed: jest.fn().mockResolvedValue([]) };
+    const s = await new ContractRateScheduleBuilder(service as never).build('DOM', 'CON');
+    expect(s.isEmpty).toBe(true);
+  });
+});