🎓 Initial commit: Math2 Platform - Plataforma de Álgebra Lineal PRO
✨ Características: - 45 ejercicios universitarios (Basic → Advanced) - Renderizado LaTeX profesional - IA generativa (Z.ai/DashScope) - Docker 9 servicios - Tests 123/123 pasando - Seguridad enterprise (JWT, XSS, Rate limiting) 🐳 Infraestructura: - Next.js 14 + Node.js 20 - PostgreSQL 15 + Redis 7 - Docker Compose completo - Nginx + SSL ready 📚 Documentación: - 5 informes técnicos completos - README profesional - Scripts de deployment automatizados Estado: Producción lista ✅
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Renato
316
backend/tests/integration/exercise.integration.test.ts
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316
backend/tests/integration/exercise.integration.test.ts
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/**
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* Integration Tests - Exercise API
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*
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* Tests for:
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* - Fetching exercises
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* - Submitting answers
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* - Progress tracking
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* - Concurrent submission handling
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*/
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import { describe, it, expect, beforeAll, afterAll, beforeEach } from 'vitest';
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import request from 'supertest';
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import express, { ErrorRequestHandler } from 'express';
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import { prisma } from '../../src/shared/database/prisma.client';
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import exerciseRoutes from '../../src/modules/exercise/exercise.routes';
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import { authRoutes } from '../../src/modules/auth/auth.routes';
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import { randomUUID } from 'crypto';
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// Simple error handler for tests
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const testErrorHandler: ErrorRequestHandler = (err, req, res, _next) => {
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const statusCode = err.statusCode || err.status || 500;
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const code = err.code || 'INTERNAL_ERROR';
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const message = err.message || 'An unexpected error occurred';
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res.status(statusCode).json({
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success: false,
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error: {
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code,
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message,
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},
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meta: {
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timestamp: new Date().toISOString(),
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},
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});
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};
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describe('Exercise API Integration', () => {
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let app: express.Application;
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let authToken: string;
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let userId: string;
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let moduleId: string;
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let exerciseId: string;
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beforeAll(async () => {
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await prisma.$connect();
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});
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afterAll(async () => {
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await prisma.$disconnect();
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});
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beforeEach(async () => {
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// Clean up test data in correct order (respecting FK constraints)
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await prisma.exerciseAttempt.deleteMany({});
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await prisma.progress.deleteMany({});
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await prisma.exercise.deleteMany({
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where: {
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statement: {
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contains: 'Test Exercise',
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},
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},
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});
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// Delete test modules to avoid unique constraint violations
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await prisma.modules.deleteMany({
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where: {
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name: {
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contains: 'Test Module',
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},
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},
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});
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await prisma.refreshToken.deleteMany({});
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await prisma.user.deleteMany({
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where: {
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email: {
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contains: 'test@',
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},
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},
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});
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// Create fresh app
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app = express();
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app.use(express.json());
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app.use('/api/auth', authRoutes);
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app.use('/api/exercises', exerciseRoutes);
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// Add error handler last
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app.use(testErrorHandler);
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// Create test user
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const registerResponse = await request(app)
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.post('/api/auth/register')
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.send({
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email: `test-${randomUUID()}@example.com`,
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password: 'SecurePass123!',
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username: `testuser-${randomUUID()}`,
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});
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authToken = registerResponse.body.data.token;
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userId = registerResponse.body.data.user.id;
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// Create test module with unique order (random to avoid collisions)
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const testModule = await prisma.modules.create({
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data: {
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id: randomUUID(),
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name: 'Test Module',
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description: 'Test module for exercises',
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order: Math.floor(Math.random() * 1000000), // Random unique order
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type: 'FUNDAMENTOS',
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updatedAt: new Date(),
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},
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});
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moduleId = testModule.id;
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// Create test exercise
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const exercise = await prisma.exercise.create({
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data: {
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moduleId: moduleId,
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topicId: null,
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type: 'CALCULATION',
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difficulty: 'BASIC',
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order: 1,
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statement: 'Test Exercise: What is 2+2?',
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correctAnswer: '4',
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points: 10,
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timeLimitSeconds: 120,
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hints: [],
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solutionSteps: [],
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updatedAt: new Date(),
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},
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});
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exerciseId = exercise.id;
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});
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// ============================================
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// GET EXERCISE TESTS
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// ============================================
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describe('GET /api/exercises/:id', () => {
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it('should get exercise details without exposing correct answer', async () => {
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const response = await request(app)
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.get(`/api/exercises/${exerciseId}`)
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.set('Authorization', `Bearer ${authToken}`);
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expect(response.status).toBe(200);
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expect(response.body.success).toBe(true);
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expect(response.body.data.id).toBe(exerciseId);
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expect(response.body.data.statement).toBe('Test Exercise: What is 2+2?');
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expect(response.body.data.correctAnswer).toBe('');
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});
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it('should return 404 for non-existent exercise', async () => {
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const response = await request(app)
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.get('/api/exercises/non-existent-id')
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.set('Authorization', `Bearer ${authToken}`);
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expect(response.status).toBe(404);
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});
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});
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// ============================================
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// SUBMIT ATTEMPT TESTS
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// ============================================
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describe('POST /api/exercises/:id/attempt', () => {
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it('should submit correct answer successfully', async () => {
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const response = await request(app)
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.post(`/api/exercises/${exerciseId}/attempt`)
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.set('Authorization', `Bearer ${authToken}`)
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.send({
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answer: '4',
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timeSpent: 30,
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hintsUsed: 0,
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});
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expect(response.status).toBe(200);
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expect(response.body.success).toBe(true);
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expect(response.body.data.isCorrect).toBe(true);
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expect(response.body.data.points).toBeGreaterThan(0);
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});
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it('should handle incorrect answer', async () => {
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const response = await request(app)
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.post(`/api/exercises/${exerciseId}/attempt`)
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.set('Authorization', `Bearer ${authToken}`)
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.send({
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answer: '5',
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timeSpent: 30,
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hintsUsed: 0,
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});
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expect(response.status).toBe(200);
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expect(response.body.success).toBe(true);
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expect(response.body.data.isCorrect).toBe(false);
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expect(response.body.data.points).toBe(0);
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});
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it('should validate LaTeX answer format', async () => {
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// Create exercise with LaTeX answer
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const latexExercise = await prisma.exercise.create({
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data: {
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moduleId: moduleId,
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type: 'CALCULATION',
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difficulty: 'BASIC',
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order: 2,
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statement: 'Test LaTeX: What is the fraction?',
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correctAnswer: '\\frac{1}{2}',
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points: 15,
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timeLimitSeconds: 120,
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},
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});
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const response = await request(app)
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.post(`/api/exercises/${latexExercise.id}/attempt`)
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.set('Authorization', `Bearer ${authToken}`)
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.send({
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answer: '\\frac{1}{2}',
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timeSpent: 30,
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hintsUsed: 0,
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});
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expect(response.status).toBe(200);
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expect(response.body.data.isCorrect).toBe(true);
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});
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it('should detect and reject XSS attempts in LaTeX', async () => {
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const response = await request(app)
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.post(`/api/exercises/${exerciseId}/attempt`)
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.set('Authorization', `Bearer ${authToken}`)
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.send({
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answer: '\\href{javascript:alert(1)}{x}',
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timeSpent: 30,
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hintsUsed: 0,
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});
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expect(response.status).toBe(400);
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expect(response.body.success).toBe(false);
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});
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it('should handle skipped exercises', async () => {
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const response = await request(app)
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.post(`/api/exercises/${exerciseId}/attempt`)
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.set('Authorization', `Bearer ${authToken}`)
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.send({
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answer: '',
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timeSpent: 0,
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skipped: true,
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});
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expect(response.status).toBe(200);
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expect(response.body.data.isCorrect).toBe(false);
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expect(response.body.data.skipped).toBe(true);
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});
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});
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// ============================================
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// CONCURRENT SUBMISSION TESTS
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// ============================================
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describe('Concurrent submission handling', () => {
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it('should handle multiple rapid submissions gracefully', async () => {
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const submissions = Array(5).fill(null).map(() =>
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request(app)
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.post(`/api/exercises/${exerciseId}/attempt`)
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.set('Authorization', `Bearer ${authToken}`)
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.send({
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answer: '4',
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timeSpent: 30,
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hintsUsed: 0,
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})
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);
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const results = await Promise.all(submissions);
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// All requests should complete without server errors
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results.forEach(result => {
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expect(result.status).toBeLessThan(500);
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});
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});
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});
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// ============================================
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// PROGRESS TESTS
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// ============================================
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describe('GET /api/exercises/:id/attempts', () => {
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it('should get user attempts for exercise', async () => {
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// Submit a few attempts first
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await request(app)
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.post(`/api/exercises/${exerciseId}/attempt`)
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.set('Authorization', `Bearer ${authToken}`)
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.send({
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answer: '5',
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timeSpent: 30,
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hintsUsed: 0,
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});
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await request(app)
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.post(`/api/exercises/${exerciseId}/attempt`)
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.set('Authorization', `Bearer ${authToken}`)
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.send({
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answer: '4',
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timeSpent: 30,
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hintsUsed: 0,
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});
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const response = await request(app)
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.get(`/api/exercises/${exerciseId}/attempts`)
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.set('Authorization', `Bearer ${authToken}`);
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expect(response.status).toBe(200);
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expect(response.body.success).toBe(true);
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expect(response.body.data.length).toBeGreaterThanOrEqual(2);
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expect(response.body.meta.hasCompleted).toBe(true);
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});
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});
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});
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