Files
lislgosms/api/src/dictionaries/phone-routing-lookup.service.spec.ts
T

94 lines
3.7 KiB
TypeScript

import { PhoneRoutingLookupService } from './phone-routing-lookup.service';
function createPrismaMock() {
return {
phoneCarrierRule: {
findMany: jest.fn().mockResolvedValue([
{ carrier: 'telecom', pattern: '^133' },
{ carrier: 'mobile', pattern: '^13[5-9]' },
]),
},
phoneSegment: {
findMany: jest.fn().mockResolvedValue([
{ prefix: '1380000', province: '山东' },
]),
},
};
}
describe('PhoneRoutingLookupService', () => {
it('compiles and caches active carrier rules across concurrent lookups', async () => {
const prisma = createPrismaMock();
const service = new PhoneRoutingLookupService(prisma as never);
await expect(Promise.all([
service.identifyCarrier('13800000001'),
service.identifyCarrier('13300000001'),
service.identifyCarrier('13800000002'),
])).resolves.toEqual(['mobile', 'telecom', 'mobile']);
expect(prisma.phoneCarrierRule.findMany).toHaveBeenCalledTimes(1);
expect(prisma.phoneCarrierRule.findMany).toHaveBeenCalledWith({
where: { status: 'active' },
orderBy: [{ priority: 'asc' }, { createdAt: 'asc' }],
select: { carrier: true, pattern: true },
});
});
it('reloads carrier rules immediately after explicit invalidation', async () => {
const prisma = createPrismaMock();
const service = new PhoneRoutingLookupService(prisma as never);
await service.identifyCarrier('13800000001');
service.invalidateCarrierRules();
await service.identifyCarrier('13800000001');
expect(prisma.phoneCarrierRule.findMany).toHaveBeenCalledTimes(2);
});
it('does not let an in-flight stale load overwrite an invalidated cache', async () => {
const prisma = createPrismaMock();
let resolveFirstLoad: ((rows: Array<{ carrier: string; pattern: string }>) => void) | undefined;
prisma.phoneCarrierRule.findMany
.mockImplementationOnce(() => new Promise((resolve) => { resolveFirstLoad = resolve; }))
.mockResolvedValueOnce([{ carrier: 'telecom', pattern: '^138' }]);
const service = new PhoneRoutingLookupService(prisma as never);
const staleLookup = service.identifyCarrier('13800000001');
service.invalidateCarrierRules();
await expect(service.identifyCarrier('13800000001')).resolves.toBe('telecom');
resolveFirstLoad?.([{ carrier: 'mobile', pattern: '^138' }]);
await expect(staleLookup).resolves.toBe('mobile');
await expect(service.identifyCarrier('13800000001')).resolves.toBe('telecom');
expect(prisma.phoneCarrierRule.findMany).toHaveBeenCalledTimes(2);
});
it('finds the longest phone prefix with one database query', async () => {
const prisma = createPrismaMock();
prisma.phoneSegment.findMany.mockResolvedValue([
{ prefix: '138', province: '全国' },
{ prefix: '1380000', province: '山东' },
{ prefix: '13800', province: '华东' },
]);
const service = new PhoneRoutingLookupService(prisma as never);
await expect(service.identifyProvince('13800000001')).resolves.toBe('山东');
expect(prisma.phoneSegment.findMany).toHaveBeenCalledTimes(1);
expect(prisma.phoneSegment.findMany).toHaveBeenCalledWith({
where: { prefix: { in: ['1380000', '138000', '13800', '1380', '138'] } },
select: { prefix: true, province: true },
});
});
it('returns null after one query when no phone prefix exists', async () => {
const prisma = createPrismaMock();
prisma.phoneSegment.findMany.mockResolvedValue([]);
const service = new PhoneRoutingLookupService(prisma as never);
await expect(service.identifyProvince('00000000000')).resolves.toBeNull();
expect(prisma.phoneSegment.findMany).toHaveBeenCalledTimes(1);
});
});