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edr-platform/apps/edr-freight-api/src/modules/train-scheduling/train-scheduling.service.spec.ts
2026-07-20 07:13:52 +00:00

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import { BadRequestException, ConflictException } from '@nestjs/common';
import { WagonStatus } from '@edr/types';
import { Wagon } from '../wagons/entities/wagon.entity';
import { WagonType } from '../wagon-types/entities/wagon-type.entity';
import { TrainSetWagon } from '../train-sets/entities/train-set-wagon.entity';
import { TrainSchedulingGlobalRules } from './entities/train-scheduling-global-rules.entity';
import { WagonBookingAllocation } from '../train-schedules/entities/wagon-booking-allocation.entity';
import { TrainSchedulingService } from './train-scheduling.service';
const nw5 = {
id: 'wagon-type-1',
code: 'NW5',
name: 'Flat Wagon',
capacityTons: 70,
lengthMeters: 14,
supportedLoadTypes: ['CONTAINER'],
isActive: true,
supportsContainer: true,
};
const locomotive = {
id: 'loc-1',
code: 'LOC-001',
maxPullWeightTons: 3500,
maxTrainLengthMeters: 760,
status: 'AVAILABLE',
currentYardId: 'yard-origin',
};
const cw3 = {
id: 'wagon-type-bulk',
code: 'CW3',
name: 'Covered Wagon',
capacityTons: 60,
lengthMeters: 14,
supportedLoadTypes: ['BULK'],
isActive: true,
supportsContainer: false,
};
const makeBooking = (
id: string,
reference: string,
weight: number,
quantity: number,
containerCode: string,
wagonsRequired: number,
scheduledDate = '2026-06-20T08:00:00.000Z',
originYardId = 'yard-origin',
destinationYardId = 'yard-destination',
extra: Record<string, unknown> = {},
) => ({
id,
reference,
freightType: 'CONTAINER',
cargoTotalWeightVgm: weight,
scheduledDate: new Date(scheduledDate),
originYardId,
destinationYardId,
status: 'PAID',
schedulingStatus: 'HOLDING',
holdExpiresAt: new Date(Date.now() + 60 * 60 * 1000),
company: { companyName: 'Demo Customer' },
originYard: { label: 'Djibouti', code: 'DJIBOUTI' },
destinationYard: { label: 'Addis Ababa', code: 'ADDIS_ABABA' },
bookingContainers: [
{
id: `${id}-line`,
containerTypeId: 'ct-1',
quantity,
wagonsRequired,
vgmPerUnitTons: weight / quantity,
isOverweight: false,
containerType: { id: 'ct-1', code: containerCode, label: containerCode, wagonTypes: [nw5] },
},
],
...extra,
});
describe('TrainSchedulingService', () => {
let service: TrainSchedulingService;
let dataSource: { getRepository: jest.Mock; transaction: jest.Mock; query: jest.Mock };
let bookingsRepository: Record<string, jest.Mock>;
let locomotivesRepository: { findById: jest.Mock; findAll: jest.Mock };
let wagonTypesRepository: { findAll: jest.Mock };
let trainSchedulesRepository: Record<string, jest.Mock>;
let trainScheduleBookingsRepository: Record<string, jest.Mock>;
let wagonBookingAllocationsRepository: Record<string, jest.Mock>;
let wagonAllocationContainerItemsRepository: Record<string, jest.Mock>;
let wagonAllocationBulkLoadsRepository: Record<string, jest.Mock>;
beforeEach(() => {
dataSource = {
getRepository: jest.fn(),
transaction: jest.fn(),
// Raw-SQL helper lookups (e.g. builtTrainIdOfSchedule) default to "no rows".
query: jest.fn().mockResolvedValue([]),
};
bookingsRepository = {
findEligibleForScheduling: jest.fn(),
findByIdsForScheduling: jest.fn(),
findAll: jest.fn(),
updateSchedulingFields: jest.fn(),
};
locomotivesRepository = { findById: jest.fn(), findAll: jest.fn() };
wagonTypesRepository = { findAll: jest.fn() };
trainSchedulesRepository = {
findById: jest.fn(),
findByIdWithFullGraph: jest.fn(),
findAll: jest.fn(),
updateStatus: jest.fn(),
};
trainScheduleBookingsRepository = {
findByBookingIds: jest.fn(),
createMany: jest.fn(),
deleteByScheduleAndBooking: jest.fn(),
};
wagonBookingAllocationsRepository = {
deleteByTrainSetId: jest.fn().mockResolvedValue([]),
createMany: jest.fn(),
};
wagonAllocationContainerItemsRepository = {
createMany: jest.fn(),
deleteByAllocationIds: jest.fn(),
findAll: jest.fn().mockResolvedValue([]),
};
wagonAllocationBulkLoadsRepository = {
createMany: jest.fn(),
deleteByAllocationIds: jest.fn(),
findAll: jest.fn().mockResolvedValue([]),
};
const trainCheckpointEventsRepository = {
findBySchedule: jest.fn().mockResolvedValue([]),
findAll: jest.fn().mockResolvedValue([]),
create: jest.fn(),
update: jest.fn(),
};
service = new TrainSchedulingService(
dataSource as never,
bookingsRepository as never,
locomotivesRepository as never,
wagonTypesRepository as never,
trainSchedulesRepository as never,
trainScheduleBookingsRepository as never,
wagonBookingAllocationsRepository as never,
wagonAllocationContainerItemsRepository as never,
wagonAllocationBulkLoadsRepository as never,
trainCheckpointEventsRepository as never,
{} as never, // trainCompositionRemovalLogRepository
{
autoUnloadArrivedBookings: jest.fn(),
autoUnloadExportAtDjibouti: jest.fn(),
} as never,
{
htmlToPdfBuffer: jest.fn(),
} as never,
{ emitPhase: jest.fn() } as never, // bookingWindowGateway
{
autoArriveAtFinalYard: jest.fn().mockResolvedValue([]),
} as never, // bookingJourneyService
{ dispatched: jest.fn(), arrived: jest.fn() } as never, // bookingNotifier
);
const defaultFleetWagons = [
...Array.from({ length: 100 }, (_, index) => ({
id: `wagon-nw5-${index}`,
wagonTypeId: nw5.id,
status: WagonStatus.Available,
currentYardId: 'yard-origin',
currentTrainScheduleId: null,
})),
...Array.from({ length: 50 }, (_, index) => ({
id: `wagon-cw3-${index}`,
wagonTypeId: cw3.id,
status: WagonStatus.Available,
currentYardId: 'yard-origin',
currentTrainScheduleId: null,
})),
];
dataSource.getRepository.mockImplementation((entity: unknown) => {
if (entity === TrainSchedulingGlobalRules) {
return { find: jest.fn().mockResolvedValue([]) };
}
if (entity === Wagon) {
return { find: jest.fn().mockResolvedValue(defaultFleetWagons) };
}
if (entity === WagonType) {
return { find: jest.fn().mockResolvedValue([nw5, cw3]) };
}
return { find: jest.fn().mockResolvedValue([]), findOne: jest.fn().mockResolvedValue(null) };
});
});
it('returns fleet availability and defers bookings when fleet is insufficient', async () => {
const bookings = [
makeBooking('b1', 'BKG-CONT-001', 500, 20, '40FT', 20),
makeBooking('b2', 'BKG-CONT-002', 300, 10, '20FT', 10),
];
wagonTypesRepository.findAll.mockResolvedValue([nw5]);
bookingsRepository.findByIdsForScheduling.mockResolvedValue(bookings);
trainScheduleBookingsRepository.findByBookingIds.mockResolvedValue([]);
locomotivesRepository.findAll.mockResolvedValue([locomotive]);
const availableWagons = Array.from({ length: 15 }, (_, index) => ({
id: `wagon-${index}`,
wagonTypeId: nw5.id,
status: WagonStatus.Available,
currentYardId: 'yard-origin',
currentTrainScheduleId: null,
}));
dataSource.getRepository.mockImplementation((entity: unknown) => {
if (entity === TrainSchedulingGlobalRules) {
return { find: jest.fn().mockResolvedValue([]) };
}
if (entity === Wagon) {
return { find: jest.fn().mockResolvedValue(availableWagons) };
}
if (entity === WagonType) {
return { find: jest.fn().mockResolvedValue([nw5]) };
}
return { find: jest.fn().mockResolvedValue([]), findOne: jest.fn().mockResolvedValue(null) };
});
const result = await service.previewContainerTrainSchedule({
bookingIds: bookings.map((b) => b.id),
scheduleDate: '2026-06-20T08:00:00.000Z',
originStationId: 'yard-origin',
destinationStationId: 'yard-destination',
});
// Availability rows now report what the BOUNDED plan actually uses per
// type (never more than stock, so no shortfall on the rows themselves);
// the shortage is carried by the deferred bookings' own shortage rows.
expect(result.fleetAvailability?.length).toBeGreaterThan(0);
expect(
result.fleetAvailability?.every((row) => row.needed <= row.available),
).toBe(true);
expect(result.deferredBookings?.length).toBeGreaterThan(0);
expect(result.deferredBookings?.[0]?.reason).toContain('short');
expect(result.summary.wagonsNeeded).toBeLessThan(30);
expect(result.warnings.some((w) => w.includes('deferred'))).toBe(true);
});
it('computes slot-based preview for Group A', async () => {
const bookings = [
makeBooking('b1', 'BKG-CONT-001', 500, 20, '40FT', 20),
makeBooking('b2', 'BKG-CONT-002', 300, 10, '20FT', 10),
makeBooking('b3', 'BKG-CONT-003', 450, 15, '40FT', 15),
];
wagonTypesRepository.findAll.mockResolvedValue([nw5]);
bookingsRepository.findByIdsForScheduling.mockResolvedValue(bookings);
trainScheduleBookingsRepository.findByBookingIds.mockResolvedValue([]);
locomotivesRepository.findAll.mockResolvedValue([locomotive]);
const result = await service.previewContainerTrainSchedule({
bookingIds: bookings.map((b) => b.id),
scheduleDate: '2026-06-20T08:00:00.000Z',
originStationId: 'yard-origin',
destinationStationId: 'yard-destination',
});
expect(result.valid).toBe(true);
expect(result.violations).toEqual([]);
// TEU packing: 20 + 15 wagons of 40ft plus 10×20ft at two per wagon (5) —
// the planner packs by container size, not the stored per-line fallback.
expect(result.summary.wagonsNeeded).toBe(40);
expect(result.wagonPlan).toHaveLength(40);
});
it('returns soft hold warnings without forceAssign', async () => {
const bookings = [makeBooking('b7', 'BKG-CONT-007', 120, 2, '40FT', 2)];
wagonTypesRepository.findAll.mockResolvedValue([nw5]);
bookingsRepository.findByIdsForScheduling.mockResolvedValue(bookings);
trainScheduleBookingsRepository.findByBookingIds.mockResolvedValue([]);
locomotivesRepository.findAll.mockResolvedValue([locomotive]);
const result = await service.previewContainerTrainSchedule({
bookingIds: ['b7'],
scheduleDate: '2026-06-20T08:00:00.000Z',
originStationId: 'yard-origin',
destinationStationId: 'yard-destination',
});
expect(result.warnings.length).toBeGreaterThan(0);
expect(result.warnings[0]).toContain('soft hold window');
});
it('warns on the overweight booking but still allows scheduling', async () => {
const bookings = [
makeBooking('b6', 'BKG-CONT-006', 3600, 80, '40FT', 80, undefined, undefined, undefined, {
bookingContainers: [
{
id: 'b6-line',
containerTypeId: 'ct-1',
quantity: 80,
wagonsRequired: 80,
vgmPerUnitTons: 45,
isOverweight: true,
containerType: { id: 'ct-1', code: '40FT', label: '40FT', wagonTypes: [nw5] },
},
],
}),
];
wagonTypesRepository.findAll.mockResolvedValue([nw5]);
bookingsRepository.findByIdsForScheduling.mockResolvedValue(bookings);
trainScheduleBookingsRepository.findByBookingIds.mockResolvedValue([]);
locomotivesRepository.findAll.mockResolvedValue([locomotive]);
const result = await service.previewContainerTrainSchedule({
bookingIds: ['b6'],
scheduleDate: '2026-06-20T08:00:00.000Z',
originStationId: 'yard-origin',
destinationStationId: 'yard-destination',
});
expect(result.violations.some((v) => v.includes('overweight'))).toBe(false);
expect(result.warnings.some((w) => w.includes('overweight'))).toBe(true);
});
it('allows preview when bookings are already on the target schedule', async () => {
const bookings = [makeBooking('b1', 'BKG-CONT-001', 500, 20, '40FT', 20)];
wagonTypesRepository.findAll.mockResolvedValue([nw5]);
bookingsRepository.findByIdsForScheduling.mockResolvedValue(bookings);
trainScheduleBookingsRepository.findByBookingIds.mockResolvedValue([
{ bookingId: 'b1', trainScheduleId: 'sched-target' },
]);
trainSchedulesRepository.findById.mockResolvedValue({
id: 'sched-target',
direction: 'IMPORT',
});
locomotivesRepository.findAll.mockResolvedValue([locomotive]);
const result = await service.previewContainerTrainSchedule({
bookingIds: ['b1'],
scheduleDate: '2026-06-20T08:00:00.000Z',
originStationId: 'yard-origin',
destinationStationId: 'yard-destination',
targetScheduleId: 'sched-target',
});
expect(result.violations).not.toContain(
'One or more selected bookings are already assigned to a train schedule',
);
expect(result.valid).toBe(true);
});
it('allows preview when selected bookings are on different schedule dates', async () => {
const bookings = [
makeBooking('b1', 'BKG-CONT-001', 500, 20, '40FT', 20, '2026-06-20T08:00:00.000Z'),
makeBooking('b2', 'BKG-CONT-002', 300, 10, '20FT', 10, '2026-06-21T14:00:00.000Z'),
];
wagonTypesRepository.findAll.mockResolvedValue([nw5]);
bookingsRepository.findByIdsForScheduling.mockResolvedValue(bookings);
trainScheduleBookingsRepository.findByBookingIds.mockResolvedValue([]);
locomotivesRepository.findAll.mockResolvedValue([locomotive]);
const result = await service.previewContainerTrainSchedule({
bookingIds: bookings.map((b) => b.id),
scheduleDate: '2026-06-20T08:00:00.000Z',
originStationId: 'yard-origin',
destinationStationId: 'yard-destination',
});
expect(result.violations).not.toContain(
'Selected bookings must share the same schedule date',
);
expect(result.valid).toBe(true);
});
it('rejects bookings that are not in schedulable status', async () => {
const bookings = [
{ ...makeBooking('b7', 'BKG-CONT-007', 120, 2, '40FT', 2), status: 'APPROVED' },
];
wagonTypesRepository.findAll.mockResolvedValue([nw5]);
bookingsRepository.findByIdsForScheduling.mockResolvedValue(bookings);
trainScheduleBookingsRepository.findByBookingIds.mockResolvedValue([]);
locomotivesRepository.findAll.mockResolvedValue([locomotive]);
const result = await service.previewContainerTrainSchedule({
bookingIds: ['b7'],
scheduleDate: '2026-06-20T08:00:00.000Z',
originStationId: 'yard-origin',
destinationStationId: 'yard-destination',
});
expect(result.valid).toBe(false);
expect(result.violations).toContain(
'Only PAID bookings can be scheduled; received: APPROVED',
);
});
it('creates a schedule transactionally when validation passes', async () => {
const route = {
id: 'route-1',
name: 'Djibouti to Addis',
originYardId: 'yard-origin',
destinationYardId: 'yard-destination',
isActive: true,
};
const locomotive2 = { ...locomotive, id: 'loc-2', code: 'LOC-002' };
const lockedLocomotiveRepo = {
findOne: jest
.fn()
.mockResolvedValueOnce(locomotive)
.mockResolvedValueOnce(locomotive2),
update: jest.fn().mockResolvedValue(undefined),
};
const trainScheduleRepo = {
create: jest.fn().mockImplementation((value) => value),
save: jest.fn().mockResolvedValue({ id: 'schedule-1' }),
};
const trainSetRepo = {
create: jest.fn().mockImplementation((value) => value),
save: jest.fn().mockResolvedValue({ id: 'train-set-1' }),
};
const trainSetLocomotiveRepo = {
create: jest.fn().mockImplementation((value) => value),
save: jest.fn().mockResolvedValue(undefined),
};
const manager = {
getRepository: jest.fn((entity: { name?: string }) => {
switch (entity?.name) {
case 'Locomotive':
return lockedLocomotiveRepo;
case 'TrainSchedule':
return trainScheduleRepo;
case 'TrainSet':
return trainSetRepo;
case 'TrainSetLocomotive':
return trainSetLocomotiveRepo;
default:
throw new Error(`Unexpected transaction repository ${entity?.name}`);
}
}),
};
dataSource.getRepository.mockImplementation((entity: unknown) => {
if ((entity as { name?: string })?.name === 'Route') {
return { findOne: jest.fn().mockResolvedValue(route) };
}
if (entity === TrainSchedulingGlobalRules) {
return { find: jest.fn().mockResolvedValue([]) };
}
if (entity === WagonType) {
return { find: jest.fn().mockResolvedValue([nw5, cw3]) };
}
throw new Error(`Unexpected repository ${(entity as { name?: string })?.name}`);
});
trainSchedulesRepository.findByIdWithFullGraph.mockResolvedValue({ id: 'schedule-1' });
dataSource.transaction.mockImplementation(async (callback: (tx: typeof manager) => Promise<string>) =>
callback(manager),
);
const result = await service.createContainerTrainSchedule({
routeId: 'route-1',
scheduleDate: '2026-06-20T08:00:00.000Z',
locomotiveIds: ['loc-1', 'loc-2'],
});
expect(trainSetRepo.save).toHaveBeenCalled();
expect(trainScheduleRepo.save).toHaveBeenCalled();
expect(trainSetLocomotiveRepo.save).toHaveBeenCalled();
expect(lockedLocomotiveRepo.update).toHaveBeenCalledWith(
{ id: expect.objectContaining({ _type: 'in', _value: ['loc-1', 'loc-2'] }) },
{ status: 'ASSIGNED' },
);
expect(result.id).toBe('schedule-1');
});
it('previews mixed container and bulk bookings', async () => {
const containerBooking = makeBooking('c1', 'BKG-CONT', 100, 2, '40FT', 2);
const bulkBooking = {
id: 'b1',
reference: 'BKG-BULK',
freightType: 'BULK',
cargoTotalWeightVgm: 120,
scheduledDate: new Date('2026-06-20T08:00:00.000Z'),
originYardId: 'yard-origin',
destinationYardId: 'yard-destination',
status: 'PAID',
bookingContainers: [],
cargoType: { code: 'COFFEE' },
};
wagonTypesRepository.findAll.mockImplementation(async ({ where }: { where?: { code?: string } }) => {
if (where?.code === 'NW5') return [nw5];
return [nw5, cw3];
});
bookingsRepository.findByIdsForScheduling.mockResolvedValue([containerBooking, bulkBooking]);
trainScheduleBookingsRepository.findByBookingIds.mockResolvedValue([]);
locomotivesRepository.findAll.mockResolvedValue([locomotive]);
const result = await service.previewTrainSchedule({
bookingIds: ['c1', 'b1'],
scheduleDate: '2026-06-20T08:00:00.000Z',
originStationId: 'yard-origin',
destinationStationId: 'yard-destination',
});
expect(result.valid).toBe(true);
expect(result.summary.wagonType).toBe('MIXED');
expect(result.wagonPlan.length).toBeGreaterThan(2);
expect(result.containerUnits).toHaveLength(2);
});
it('previews container bookings without requiring placements', async () => {
const bookings = [makeBooking('c2', 'BKG-CONT-2', 50, 1, '40FT', 1)];
wagonTypesRepository.findAll.mockResolvedValue([nw5]);
bookingsRepository.findByIdsForScheduling.mockResolvedValue(bookings);
trainScheduleBookingsRepository.findByBookingIds.mockResolvedValue([]);
locomotivesRepository.findAll.mockResolvedValue([locomotive]);
const result = await service.previewTrainSchedule({
bookingIds: ['c2'],
scheduleDate: '2026-06-20T08:00:00.000Z',
originStationId: 'yard-origin',
destinationStationId: 'yard-destination',
});
expect(result.valid).toBe(true);
expect(result.containerUnits).toHaveLength(1);
});
it('rejects create when the locked locomotive is no longer available', async () => {
const manager = {
getRepository: jest.fn(() => ({
findOne: jest.fn().mockResolvedValue({ ...locomotive, status: 'ASSIGNED' }),
})),
};
dataSource.getRepository.mockImplementation((entity: { name?: string }) => {
if (entity?.name === 'Route') {
return {
findOne: jest.fn().mockResolvedValue({
id: 'route-1',
name: 'Djibouti to Addis',
originYardId: 'yard-origin',
destinationYardId: 'yard-destination',
isActive: true,
}),
};
}
throw new Error(`Unexpected repository ${entity?.name}`);
});
dataSource.transaction.mockImplementation(async (callback: (tx: typeof manager) => Promise<string>) =>
callback(manager),
);
await expect(
service.createContainerTrainSchedule({
routeId: 'route-1',
scheduleDate: '2026-06-20T08:00:00.000Z',
locomotiveIds: ['loc-1', 'loc-2'],
}),
).rejects.toBeInstanceOf(ConflictException);
});
it('rejects pin when wagon is not at the schedule origin yard', async () => {
const scheduleId = 'sched-1';
const slotId = 'slot-1';
trainSchedulesRepository.findByIdWithFullGraph.mockResolvedValue({
id: scheduleId,
status: 'DRAFT',
originStationId: 'yard-origin',
trainSet: {
wagons: [{ id: slotId, physicalWagonId: null }],
},
});
const manager = {
getRepository: jest.fn((entity: { name?: string }) => {
if (entity === Wagon) {
return {
findOne: jest.fn().mockResolvedValue({
id: 'wagon-1',
wagonNumber: 'WGN-001',
status: WagonStatus.Available,
currentYardId: 'yard-other',
currentTrainScheduleId: null,
}),
update: jest.fn(),
};
}
if (entity === TrainSetWagon) {
return { update: jest.fn() };
}
throw new Error(`Unexpected repository ${entity?.name}`);
}),
};
dataSource.transaction.mockImplementation(async (callback: (tx: typeof manager) => Promise<void>) =>
callback(manager),
);
await expect(
service.pinWagons(scheduleId, {
assignments: [{ trainSetWagonId: slotId, physicalWagonId: 'wagon-1' }],
}),
).rejects.toBeInstanceOf(ConflictException);
});
it('flags physical fleet shortfall when wagons are not at the origin yard', async () => {
const exportBooking = makeBooking(
'exp-1',
'BKG-EXP',
50,
1,
'40FT',
1,
'2026-06-20T08:00:00.000Z',
'yard-addis',
'yard-djibouti',
{
originYard: { label: 'Addis Ababa', code: 'ADDIS', country: 'Ethiopia' },
destinationYard: { label: 'Djibouti', code: 'DJIBOUTI', country: 'Djibouti' },
},
);
wagonTypesRepository.findAll.mockResolvedValue([nw5]);
bookingsRepository.findByIdsForScheduling.mockResolvedValue([exportBooking]);
trainScheduleBookingsRepository.findByBookingIds.mockResolvedValue([]);
locomotivesRepository.findAll.mockResolvedValue([
{ ...locomotive, currentYardId: 'yard-addis' },
]);
const wrongYardFleet = Array.from({ length: 5 }, (_, index) => ({
id: `wagon-nw5-${index}`,
wagonTypeId: nw5.id,
wagonNumber: `WGN-${index}`,
status: WagonStatus.Available,
currentYardId: 'yard-djibouti',
currentTrainScheduleId: null,
}));
dataSource.getRepository.mockImplementation((entity: unknown) => {
if (entity === TrainSchedulingGlobalRules) {
return { find: jest.fn().mockResolvedValue([]) };
}
if (entity === Wagon) {
return { find: jest.fn().mockResolvedValue(wrongYardFleet) };
}
if (entity === WagonType) {
return { find: jest.fn().mockResolvedValue([nw5]) };
}
return { find: jest.fn().mockResolvedValue([]), findOne: jest.fn().mockResolvedValue(null) };
});
const result = await service.previewContainerTrainSchedule({
bookingIds: ['exp-1'],
scheduleDate: '2026-06-20T08:00:00.000Z',
originStationId: 'yard-addis',
destinationStationId: 'yard-djibouti',
});
// List-based planner: a booking with no plannable wagon at the yard is
// DEFERRED with the wagon-type reason (assign still hard-fails when no
// booking fits), instead of surfacing a phantom-slot violation.
expect(result.valid).toBe(true);
expect(result.wagonPlan).toHaveLength(0);
expect(result.deferredBookings.some((d) => d.reason.includes('NW5'))).toBe(true);
});
it('assignBookingsToSchedule rejects when physical wagons cannot be pinned', async () => {
const scheduleId = 'sched-assign-1';
const trainSetId = 'train-set-1';
const booking = makeBooking('b-pin', 'BKG-PIN', 50, 1, '40FT', 1);
wagonTypesRepository.findAll.mockResolvedValue([nw5]);
bookingsRepository.findByIdsForScheduling.mockResolvedValue([{ ...booking, trainScheduleId: scheduleId }]);
trainScheduleBookingsRepository.findByBookingIds.mockResolvedValue([]);
locomotivesRepository.findAll.mockResolvedValue([locomotive]);
trainSchedulesRepository.findById.mockResolvedValue({
id: scheduleId,
direction: 'IMPORT',
});
trainSchedulesRepository.findByIdWithFullGraph.mockResolvedValue({
id: scheduleId,
status: 'DRAFT',
direction: 'IMPORT',
trainSetId,
originStationId: 'yard-origin',
destinationStationId: 'yard-destination',
scheduledDepartureDate: new Date('2026-06-20T08:00:00.000Z'),
trainSet: {
id: trainSetId,
locomotive,
wagons: [],
},
scheduleBookings: [],
});
dataSource.getRepository.mockImplementation((entity: unknown) => {
if (entity === TrainSchedulingGlobalRules) {
return { find: jest.fn().mockResolvedValue([]) };
}
if (entity === Wagon) {
return { find: jest.fn().mockResolvedValue([]) };
}
if (entity === WagonType) {
return { find: jest.fn().mockResolvedValue([nw5]) };
}
return { find: jest.fn().mockResolvedValue([]), findOne: jest.fn().mockResolvedValue(null) };
});
const wagonRepo = {
find: jest.fn().mockResolvedValue([]),
update: jest.fn(),
};
const trainSetWagonRepo = {
delete: jest.fn(),
create: jest.fn((v) => v),
save: jest.fn(async (rows) =>
rows.map((r: { sequenceNo: number; wagonTypeId: string }, i: number) => ({
...r,
id: `slot-${i + 1}`,
})),
),
update: jest.fn(),
};
const manager = {
getRepository: jest.fn((entity: unknown) => {
if (entity === Wagon) return wagonRepo;
if (entity === WagonType) return { find: jest.fn().mockResolvedValue([nw5]) };
if (entity === TrainSetWagon) return trainSetWagonRepo;
if ((entity as { name?: string })?.name === 'TrainSet') return { update: jest.fn() };
if ((entity as { name?: string })?.name === 'TrainScheduleBooking') return { delete: jest.fn() };
if ((entity as { name?: string })?.name === 'WagonBookingAllocation') {
return {
create: jest.fn((v) => v),
save: jest.fn(async (v) => ({ ...v, id: 'alloc-1' })),
delete: jest.fn(),
};
}
return { delete: jest.fn(), update: jest.fn(), find: jest.fn().mockResolvedValue([]) };
}),
};
dataSource.transaction.mockImplementation(async (cb: (m: typeof manager) => Promise<void>) =>
cb(manager),
);
await expect(
service.assignBookingsToSchedule(
scheduleId,
{ bookingIds: ['b-pin'], containerPlacements: [] },
'CONTAINER',
),
).rejects.toBeInstanceOf(BadRequestException);
});
describe('getUnassignedBookings', () => {
const scheduleId = 'sched-unassigned-1';
const trainSetId = 'train-set-unassigned';
const assignedBooking = makeBooking('b-assigned', 'BKG-ASSIGNED', 50, 1, '40FT', 1);
const unassignedBooking = makeBooking('b-unassigned', 'BKG-UNASSIGNED', 60, 1, '40FT', 1);
const buildScheduleGraph = () => ({
id: scheduleId,
status: 'DRAFT',
originStationId: 'yard-origin',
destinationStationId: 'yard-destination',
scheduledDepartureDate: new Date('2026-06-20T08:00:00.000Z'),
trainSet: {
id: trainSetId,
locomotive: { ...locomotive, status: 'ASSIGNED', currentYardId: 'yard-origin' },
wagons: [{ id: 'slot-1', sequenceNo: 1, wagonTypeId: nw5.id, allocations: [] }],
},
scheduleBookings: [],
});
beforeEach(() => {
wagonTypesRepository.findAll.mockResolvedValue([nw5]);
trainScheduleBookingsRepository.findByBookingIds.mockResolvedValue([]);
locomotivesRepository.findAll.mockResolvedValue([locomotive]);
bookingsRepository.findAll.mockResolvedValue([
{
...assignedBooking,
trainScheduleId: scheduleId,
paymentStatus: 'PAID',
isGovernment: false,
},
{
...unassignedBooking,
trainScheduleId: scheduleId,
paymentStatus: 'PAID',
isGovernment: false,
},
]);
trainSchedulesRepository.findByIdWithFullGraph.mockResolvedValue(buildScheduleGraph());
});
it('allows assign when train slots are full but origin yard has matching wagons', async () => {
const yardFleet = [
{
id: 'wagon-pinned',
wagonTypeId: nw5.id,
status: WagonStatus.Assigned,
currentYardId: 'yard-origin',
currentTrainScheduleId: scheduleId,
},
...Array.from({ length: 2 }, (_, index) => ({
id: `wagon-yard-${index}`,
wagonTypeId: nw5.id,
status: WagonStatus.Available,
currentYardId: 'yard-origin',
currentTrainScheduleId: null,
})),
];
bookingsRepository.findByIdsForScheduling.mockImplementation(async (ids: string[]) => {
const map = new Map([
[assignedBooking.id, { ...assignedBooking, trainScheduleId: scheduleId }],
[unassignedBooking.id, { ...unassignedBooking, trainScheduleId: scheduleId }],
]);
return ids.map((id) => map.get(id)).filter(Boolean);
});
dataSource.getRepository.mockImplementation((entity: unknown) => {
if (entity === TrainSchedulingGlobalRules) {
return { find: jest.fn().mockResolvedValue([]) };
}
if (entity === Wagon) {
return { find: jest.fn().mockResolvedValue(yardFleet) };
}
if (entity === WagonType) {
return { find: jest.fn().mockResolvedValue([nw5]) };
}
if (entity === WagonBookingAllocation) {
return {
find: jest.fn().mockResolvedValue([{ bookingId: assignedBooking.id }]),
};
}
return { find: jest.fn().mockResolvedValue([]), findOne: jest.fn().mockResolvedValue(null) };
});
const result = await service.getUnassignedBookings(scheduleId);
expect(result.bookings).toHaveLength(1);
expect(result.bookings[0].id).toBe(unassignedBooking.id);
expect(result.bookings[0].canAssign).toBe(true);
expect(result.bookings[0].blockReason).toBeNull();
expect(
result.fleetAtOrigin.some(
(row: { wagonTypeCode: string; available: number }) =>
row.wagonTypeCode === 'NW5' && row.available >= 2,
),
).toBe(true);
});
it('blocks assign when origin yard lacks wagons of the required type', async () => {
const yardFleet = [
{
id: 'wagon-pinned',
wagonTypeId: nw5.id,
status: WagonStatus.Assigned,
currentYardId: 'yard-origin',
currentTrainScheduleId: scheduleId,
},
];
bookingsRepository.findByIdsForScheduling.mockImplementation(async (ids: string[]) => {
const map = new Map([
[assignedBooking.id, { ...assignedBooking, trainScheduleId: scheduleId }],
[unassignedBooking.id, { ...unassignedBooking, trainScheduleId: scheduleId }],
]);
return ids.map((id) => map.get(id)).filter(Boolean);
});
dataSource.getRepository.mockImplementation((entity: unknown) => {
if (entity === TrainSchedulingGlobalRules) {
return { find: jest.fn().mockResolvedValue([]) };
}
if (entity === Wagon) {
return { find: jest.fn().mockResolvedValue(yardFleet) };
}
if (entity === WagonType) {
return { find: jest.fn().mockResolvedValue([nw5]) };
}
if (entity === WagonBookingAllocation) {
return {
find: jest.fn().mockResolvedValue([{ bookingId: assignedBooking.id }]),
};
}
return { find: jest.fn().mockResolvedValue([]), findOne: jest.fn().mockResolvedValue(null) };
});
const result = await service.getUnassignedBookings(scheduleId);
expect(result.bookings).toHaveLength(1);
expect(result.bookings[0].canAssign).toBe(false);
expect(result.bookings[0].blockReason).toBeTruthy();
});
});
describe('getAvailableLocomotivesForRoute', () => {
it('returns locomotives at the route origin yard', async () => {
const routeId = 'route-export';
const originYardId = 'yard-addis';
const routeRepo = {
findOne: jest.fn().mockResolvedValue({
id: routeId,
name: 'Addis → Djibouti',
isActive: true,
originYardId,
originYard: { country: 'Ethiopia' },
destinationYard: { country: 'Djibouti' },
}),
};
dataSource.getRepository.mockImplementation((entity: unknown) => {
if ((entity as { name?: string })?.name === 'Route') return routeRepo;
return { findOne: jest.fn(), update: jest.fn() };
});
locomotivesRepository.findAll.mockResolvedValue([
{ id: 'l2', code: 'EXP', status: 'AVAILABLE', currentYardId: originYardId },
]);
const result = await service.getAvailableLocomotivesForRoute(routeId);
expect(locomotivesRepository.findAll).toHaveBeenCalledWith({
where: { status: 'AVAILABLE', currentYardId: originYardId },
order: { code: 'ASC' },
});
expect(result).toHaveLength(1);
expect(result[0].code).toBe('EXP');
});
it('returns all locomotives returned by the repository for domestic routes', async () => {
const routeId = 'route-domestic';
const originYardId = 'yard-addis';
const routeRepo = {
findOne: jest.fn().mockResolvedValue({
id: routeId,
name: 'Addis → Dire Dawa',
isActive: true,
originYardId,
originYard: { country: 'Ethiopia' },
destinationYard: { country: 'Ethiopia' },
}),
};
dataSource.getRepository.mockImplementation((entity: unknown) => {
if ((entity as { name?: string })?.name === 'Route') return routeRepo;
return { findOne: jest.fn(), update: jest.fn() };
});
locomotivesRepository.findAll.mockResolvedValue([
{ id: 'l1', code: 'IMP', status: 'AVAILABLE', currentYardId: originYardId },
{ id: 'l2', code: 'EXP', status: 'AVAILABLE', currentYardId: originYardId },
]);
const result = await service.getAvailableLocomotivesForRoute(routeId);
expect(result).toHaveLength(2);
});
});
describe('marshalling documents', () => {
// Staff check these against the physical consist, so every wagon on the
// train set has to appear — an empty wagon that renders no row reads as a
// wagon that is not on the train.
const makeWagon = (sequenceNo: number, wagonNumber: string, allocations: unknown[]) => ({
sequenceNo,
wagonNumber,
physicalWagon: { wagonNumber },
wagonType: { code: 'NW5', name: 'Flat Wagon', tareWeightTons: 22 },
lengthMeters: 14,
capacityTons: 70,
allocations,
});
const loadedAllocation = {
bookingId: 'booking-1',
bookingReference: 'BK-2026-000001',
loadType: 'CONTAINER',
allocatedWeightTons: 24.5,
containerNumbers: ['CONT-001'],
booking: { id: 'booking-1', reference: 'BK-2026-000001', companyId: 'company-1' },
containerItems: [{ containerNumber: 'CONT-001', sealNumber: 'SEAL-1', chassisNumber: 'CH-1' }],
};
const countRows = (html: string) => (html.match(/<tr(?: class="empty")?>\s*<td/g) ?? []).length;
it('lists an empty wagon on the export document and marks it EMPTY', () => {
const schedule = {
id: 'schedule-1',
trainNumber: '8302',
direction: 'EXPORT',
trainSet: {
wagons: [
makeWagon(1, 'W-001', [loadedAllocation]),
makeWagon(2, 'W-002', []),
makeWagon(3, 'W-003', []),
],
},
scheduleBookings: [],
};
const html = (service as never as {
buildExportLoadListHtml: (s: unknown) => string;
}).buildExportLoadListHtml(schedule);
expect(countRows(html)).toBe(3);
expect(html).toContain('W-002');
expect(html).toContain('W-003');
expect(html.match(/EMPTY — no cargo allocated/g)).toHaveLength(2);
// The wagon count must agree with the rows the reader can see.
expect(html).toContain('3 (2 empty)');
});
it('lists an empty wagon on the import document and marks it EMPTY', () => {
const loadList = {
generatedAt: '2026-07-17T08:00:00.000Z',
trainScheduleId: 'schedule-1',
trainNumber: '8002',
route: 'Djibouti → Indode',
origin: 'Djibouti Port',
destination: 'Indode',
totalBookings: 1,
wagons: [
{ sequenceNo: 1, wagonNumber: 'W-001', allocations: [loadedAllocation] },
{ sequenceNo: 2, wagonNumber: 'W-002', allocations: [] },
],
operation: { status: {} },
};
const html = (service as never as {
buildImportLoadListHtml: (l: unknown) => string;
}).buildImportLoadListHtml(loadList);
expect(countRows(html)).toBe(2);
expect(html).toContain('W-002');
expect(html.match(/EMPTY — no cargo allocated/g)).toHaveLength(1);
expect(html).toContain('2 (1 empty)');
});
it('renders wagons in consist order regardless of the order the relation returns', () => {
const schedule = {
id: 'schedule-1',
trainNumber: '8302',
direction: 'EXPORT',
trainSet: {
wagons: [makeWagon(3, 'W-003', []), makeWagon(1, 'W-001', []), makeWagon(2, 'W-002', [])],
},
scheduleBookings: [],
};
const html = (service as never as {
buildExportLoadListHtml: (s: unknown) => string;
}).buildExportLoadListHtml(schedule);
expect(html.indexOf('W-001')).toBeLessThan(html.indexOf('W-002'));
expect(html.indexOf('W-002')).toBeLessThan(html.indexOf('W-003'));
});
it('omits the empty-count suffix when every wagon is loaded', () => {
const schedule = {
id: 'schedule-1',
trainNumber: '8302',
direction: 'EXPORT',
trainSet: { wagons: [makeWagon(1, 'W-001', [loadedAllocation])] },
scheduleBookings: [],
};
const html = (service as never as {
buildExportLoadListHtml: (s: unknown) => string;
}).buildExportLoadListHtml(schedule);
expect(html).not.toContain('empty)');
expect(html).not.toContain('EMPTY');
});
});
});