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

import { Test, TestingModule } from '@nestjs/testing';
import { EntityNotFoundException } from '../../common/exceptions/entity-not-found.exception';
import { SharesService } from './shares.service';
import { MoexSecuritiesClient } from '../moex-client/moex-securities.client';
import { MoexMarketDataClient } from '../moex-client/moex-market-data.client';
import { MoexDividendsClient } from '../moex-client/moex-dividends.client';
import { MoexHistoryClient } from '../moex-client/moex-history.client';
import { CacheService } from '../cache/cache.service';

describe('SharesService', () => {
  let service: SharesService;
  let moexSecurities: Pick<MoexSecuritiesClient, 'getSecurityDescription'>;
  let moexMarketData: Pick<MoexMarketDataClient, 'getShareMarketData'>;
  let cache: Pick<CacheService, 'getOrFetch'>;

  beforeEach(async () => {
    moexSecurities = {
      getSecurityDescription: vi.fn(),
    };
    moexMarketData = {
      getShareMarketData: 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: [
        SharesService,
        { provide: MoexSecuritiesClient, useValue: moexSecurities },
        { provide: MoexMarketDataClient, useValue: moexMarketData },
        { provide: MoexDividendsClient, useValue: { getDividends: vi.fn() } },
        { provide: MoexHistoryClient, useValue: { getHistory: vi.fn() } },
        { provide: CacheService, useValue: cache },
      ],
    }).compile();

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

  it('returns normalized SBER share spec and market data without live MOEX dependency', async () => {
    vi.mocked(moexSecurities.getSecurityDescription).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,
    });
    vi.mocked(moexMarketData.getShareMarketData).mockResolvedValue({
      secid: 'SBER',
      boardid: 'TQBR',
      shortName: 'Сбербанк',
      bid: 320,
      offer: 321,
      open: 318,
      low: 317,
      high: 325,
      last: 323,
      lastChange: 4,
      lastChangePrcnt: 1.25,
      volume: 1500000,
      value: 480000000,
      waprice: 321,
      numtrades: 4200,
      issueCapitalization: 6900000000000,
      tradingStatus: 'T',
      updateTime: '18:45:00',
    });

    const result = await service.getShare('SBER');

    expect(moexSecurities.getSecurityDescription).toHaveBeenCalledWith('SBER');
    expect(cache.getOrFetch).toHaveBeenCalledWith(
      'marketdata',
      ['shares', 'SBER'],
      expect.any(Function),
      'marketDataTtl',
    );
    expect(moexMarketData.getShareMarketData).toHaveBeenCalledWith('SBER');
    expect(result.data).toMatchObject({
      secid: 'SBER',
      isin: 'RU0009029540',
      name: 'Сбербанк России ПАО ао',
      shortName: 'Сбербанк',
      latName: 'Sberbank',
      listLevel: 1,
      issueSize: 21586948000,
      faceValue: 3,
      faceUnit: 'RUB',
      type: 'common_share',
      marketData: {
        price: 323,
        change: 4,
        changePercent: 1.25,
        open: 318,
        high: 325,
        low: 317,
        volume: 1500000,
        value: 480000000,
        issueCapitalization: 6900000000000,
      },
    });
    expect(result.data.marketData.updatedAt).toMatch(/T18:45:00$/);
  });

  it('throws EntityNotFoundException for non-share security', async () => {
    vi.mocked(moexSecurities.getSecurityDescription).mockResolvedValue({
      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,
    });

    await expect(service.getShare('SU26238RMFS5')).rejects.toBeInstanceOf(EntityNotFoundException);
    expect(cache.getOrFetch).not.toHaveBeenCalled();
  });
});