moex-vibe/apps/backend/src/modules/securities/securities.service.spec.ts

import { Test, TestingModule } from '@nestjs/testing';
import { SecuritiesService } from './securities.service';
import { MoexClientService } from '../moex-client/moex-client.service';
import { CacheService } from '../cache/cache.service';
import { SecurityType } from './dto/search-query.dto';

describe('SecuritiesService', () => {
  let service: SecuritiesService;
  let moexClient: Pick<MoexClientService, 'searchSecurities'>;
  let cache: Pick<CacheService, 'getOrFetch'>;

  beforeEach(async () => {
    moexClient = {
      searchSecurities: vi.fn(),
    };
    cache = {
      getOrFetch: vi.fn(async (_keyPrefix, _keyParts, fetchFn) => ({
        data: await fetchFn(),
        fromCache: false,
        cachedAt: '2026-06-15T00:00:00.000Z',
      })),
    };

    const module: TestingModule = await Test.createTestingModule({
      providers: [
        SecuritiesService,
        { provide: MoexClientService, useValue: moexClient },
        { provide: CacheService, useValue: cache },
      ],
    }).compile();

    service = module.get<SecuritiesService>(SecuritiesService);
  });

  it('returns supported securities only and normalizes SUR currency to RUB', async () => {
    vi.mocked(moexClient.searchSecurities).mockResolvedValue([
      {
        secid: 'SBER',
        isin: 'RU0009029540',
        name: 'Сбербанк России ПАО ао',
        shortName: 'Сбербанк',
        latName: 'Sberbank',
        listLevel: 1,
        issueSize: 21586948000,
        faceValue: 3,
        faceUnit: 'SUR',
        issueDate: '2007-07-20',
        typeName: 'Акция обыкновенная',
        group: 'stock_shares',
        type: 'common_share',
        isQualifiedInvestors: false,
        morningSession: true,
        eveningSession: true,
      },
      {
        secid: 'SU26238RMFS5',
        isin: 'RU000A1038V6',
        name: 'ОФЗ 26238',
        shortName: 'ОФЗ 26238',
        latName: null,
        listLevel: 1,
        issueSize: 100000000,
        faceValue: 1000,
        faceUnit: 'RUB',
        issueDate: '2021-06-23',
        typeName: 'Государственная облигация',
        group: 'stock_bonds',
        type: 'ofz_bond',
        isQualifiedInvestors: false,
        morningSession: false,
        eveningSession: false,
      },
      {
        secid: 'SiM6',
        isin: '',
        name: 'USD/RUB Futures',
        shortName: 'SiM6',
        latName: null,
        listLevel: 0,
        issueSize: 0,
        faceValue: 0,
        faceUnit: '',
        issueDate: '',
        typeName: 'Фьючерс',
        group: 'futures',
        type: 'futures',
        isQualifiedInvestors: false,
        morningSession: false,
        eveningSession: true,
      },
    ]);

    const results = await service.search('SbEr', SecurityType.ALL, 10);

    expect(results).toEqual([
      {
        secid: 'SBER',
        isin: 'RU0009029540',
        shortName: 'Сбербанк',
        type: 'share',
        listLevel: 1,
        currency: 'RUB',
        price: null,
      },
      {
        secid: 'SU26238RMFS5',
        isin: 'RU000A1038V6',
        shortName: 'ОФЗ 26238',
        type: 'bond',
        listLevel: 1,
        currency: 'RUB',
        price: null,
      },
    ]);
    expect(cache.getOrFetch).toHaveBeenCalledWith(
      'search',
      ['sber'],
      expect.any(Function),
      'searchTtl',
    );
    expect(moexClient.searchSecurities).toHaveBeenCalledWith('SbEr');
  });

  it('filters by type and applies limit without live MOEX dependency', async () => {
    vi.mocked(cache.getOrFetch).mockResolvedValue({
      data: [
        {
          secid: 'SBER',
          isin: 'RU0009029540',
          shortName: 'Сбербанк',
          type: 'share',
          listLevel: 1,
          currency: 'RUB',
          price: null,
        },
        {
          secid: 'GAZP',
          isin: 'RU0007661625',
          shortName: 'Газпром',
          type: 'share',
          listLevel: 1,
          currency: 'RUB',
          price: null,
        },
        {
          secid: 'SU26238RMFS5',
          isin: 'RU000A1038V6',
          shortName: 'ОФЗ 26238',
          type: 'bond',
          listLevel: 1,
          currency: 'RUB',
          price: null,
        },
      ],
      fromCache: true,
      cachedAt: null,
    });

    const results = await service.search('ru', SecurityType.SHARE, 1);

    expect(results).toEqual([
      {
        secid: 'SBER',
        isin: 'RU0009029540',
        shortName: 'Сбербанк',
        type: 'share',
        listLevel: 1,
        currency: 'RUB',
        price: null,
      },
    ]);
    expect(moexClient.searchSecurities).not.toHaveBeenCalled();
  });
});