moex-vibe/apps/backend/src/modules/portfolio/dto/position.dto.spec.ts

44 lines
1.6 KiB
TypeScript

import 'reflect-metadata';
import { plainToInstance } from 'class-transformer';
import { validate } from 'class-validator';
import { AddPositionDto } from './add-position.dto';
import { UpdatePositionDto } from './update-position.dto';
describe('position DTO validation', () => {
const validateDto = async <T extends object>(cls: new () => T, payload: Record<string, unknown>) =>
validate(plainToInstance(cls, payload));
it('rejects zero quantity when adding a position', async () => {
const errors = await validateDto(AddPositionDto, { secid: 'SBER', quantity: 0 });
expect(errors.some((error) => error.property === 'quantity')).toBe(true);
});
it('rejects zero quantity when updating a position', async () => {
const errors = await validateDto(UpdatePositionDto, { quantity: 0 });
expect(errors.some((error) => error.property === 'quantity')).toBe(true);
});
it('rejects invalid buyDate values', async () => {
const addErrors = await validateDto(AddPositionDto, {
secid: 'SBER',
quantity: 1,
buyDate: 'not-a-date',
});
const updateErrors = await validateDto(UpdatePositionDto, { buyDate: 'not-a-date' });
expect(addErrors.some((error) => error.property === 'buyDate')).toBe(true);
expect(updateErrors.some((error) => error.property === 'buyDate')).toBe(true);
});
it('accepts valid position payloads', async () => {
await expect(
validateDto(AddPositionDto, { secid: 'SBER', quantity: 1, buyDate: '2026-06-01' }),
).resolves.toHaveLength(0);
await expect(
validateDto(UpdatePositionDto, { quantity: 2, buyDate: '2026-06-15' }),
).resolves.toHaveLength(0);
});
});