CASAN/backend/test/helpers.ts

import { ValidationPipe } from '@nestjs/common';
import { Test } from '@nestjs/testing';
import type { INestApplication } from '@nestjs/common';
import { PrismaService } from '../src/prisma/prisma.service.js';
import { AppModule } from '../src/app.module.js';

export async function createTestApp(): Promise<{ app: INestApplication; prisma: PrismaService }> {
  const moduleRef = await Test.createTestingModule({ imports: [AppModule] }).compile();
  const app = moduleRef.createNestApplication();
  app.setGlobalPrefix('api/v1');
  app.useGlobalPipes(
    new ValidationPipe({
      whitelist: true,
      forbidNonWhitelisted: true,
      transform: true,
    }),
  );
  await app.init();
  return { app, prisma: app.get(PrismaService) };
}

export async function loginToken(app: INestApplication, username = 'employee'): Promise<string> {
  const request = await import('supertest');
  const response = await request
    .default(app.getHttpServer())
    .post('/api/v1/auth/login')
    .send({ username, password: 'Password@123' })
    .expect(201);
  return response.body.data.token as string;
}