ApiCore/ApiCore-Backend/test/auth-throttle.e2e-spec.ts

import { INestApplication } from '@nestjs/common';
import * as bcrypt from 'bcryptjs';
import request from 'supertest';
import { App } from 'supertest/types';
import { PrismaService } from '../src/prisma/prisma.service';
import { createTestApp } from './utils/create-test-app';

const LOGIN_THROTTLE_LIMIT = 10;

describe('Auth login throttling (e2e)', () => {
  let app: INestApplication<App>;
  let prisma: PrismaService;
  const email = `auth-throttle-e2e-${Date.now()}@example.com`;
  const password = 'SuperSecret123!';
  let userId: string;

  beforeAll(async () => {
    app = await createTestApp();
    prisma = app.get(PrismaService);

    const passwordHash = await bcrypt.hash(password, 12);
    const user = await prisma.user.create({
      data: {
        email,
        passwordHash,
        name: 'Throttle E2E User',
        role: { connect: { key: 'STAFF' } },
      },
    });
    userId = user.id;
  });

  afterAll(async () => {
    await prisma.refreshToken.deleteMany({ where: { userId } });
    await prisma.auditLog.deleteMany({ where: { userId } });
    await prisma.user.delete({ where: { id: userId } });
    await app.close();
  });

  it('rejects login attempts beyond the per-minute limit with 429', async () => {
    for (let attempt = 0; attempt < LOGIN_THROTTLE_LIMIT; attempt += 1) {
      await request(app.getHttpServer())
        .post('/api/v1/auth/login')
        .send({ email, password: 'wrong-password' })
        .expect(401);
    }

    await request(app.getHttpServer())
      .post('/api/v1/auth/login')
      .send({ email, password: 'wrong-password' })
      .expect(429);
  });
});