fix(test): update mock input to meet min length requirements

Author: gyedongjeon

backend/src/app.module.ts

@@ -21,9 +21,13 @@ import { AuthModule } from './auth/auth.module';
           host: configService.get<string>('POSTGRES_HOST') ?? 'localhost',
           port: configService.get<number>('POSTGRES_PORT') ?? 5432,
           username: configService.get<string>('POSTGRES_USER') ?? 'myuser',
-          password: configService.get<string>('POSTGRES_PASSWORD') ?? 'mypassword',
+          password:
+            configService.get<string>('POSTGRES_PASSWORD') ?? 'mypassword',
           database: configService.get<string>('POSTGRES_DB') ?? 'deutschmock',
-          ssl: configService.get<string>('POSTGRES_HOST') !== 'localhost' ? { rejectUnauthorized: false } : false,
+          ssl:
+            configService.get<string>('POSTGRES_HOST') !== 'localhost'
+              ? { rejectUnauthorized: false }
+              : false,
           autoLoadEntities: true,
           synchronize: true, // Auto-create tables (careful in prod, but ok for MVP)
         };
@@ -37,4 +41,4 @@ import { AuthModule } from './auth/auth.module';
   controllers: [AppController],
   providers: [AppService],
 })
-export class AppModule { }
+export class AppModule {}

backend/src/auth/auth.controller.ts

@@ -13,7 +13,7 @@ import { AuthService } from './auth.service';
 
 @Controller('auth')
 export class AuthController {
-  constructor(private authService: AuthService) { }
+  constructor(private authService: AuthService) {}
 
   @Get('google')
   @UseGuards(AuthGuard('google'))
@@ -40,7 +40,9 @@ export class AuthController {
     });
 
     // Redirect to Frontend (deliver token)
-    const frontendUrls = (process.env.FRONTEND_URL || 'http://localhost:3000').split(',');
+    const frontendUrls = (
+      process.env.FRONTEND_URL || 'http://localhost:3000'
+    ).split(',');
     const primaryUrl = frontendUrls[0].trim();
     res.redirect(`${primaryUrl}/auth/callback?${params.toString()}`);
   }

backend/src/evaluation/evaluation.module.ts

@@ -11,4 +11,4 @@ import { AuthModule } from '../auth/auth.module';
   controllers: [EvaluationController],
   providers: [EvaluationService],
 })
-export class EvaluationModule { }
+export class EvaluationModule {}

backend/src/evaluation/evaluation.service.spec.ts

@@ -106,7 +106,7 @@ describe('EvaluationService', () => {
     it('should create an evaluation by calling AI and saving to DB', async () => {
       // Mock Data
       const createEvaluationDto = {
-        answer: 'My German Text',
+        answer: 'My German Text is now long enough to pass validation',
         level: 'A2',
         part: 1,
         module: 'writing',

backend/src/evaluation/evaluation.service.ts

@@ -1,5 +1,9 @@
 /* eslint-disable @typescript-eslint/no-unsafe-assignment, @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-unsafe-call, @typescript-eslint/no-unsafe-return, @typescript-eslint/no-unsafe-argument */
-import { Injectable, NotFoundException, ForbiddenException } from '@nestjs/common';
+import {
+  Injectable,
+  NotFoundException,
+  ForbiddenException,
+} from '@nestjs/common';
 import { InjectRepository } from '@nestjs/typeorm';
 import { Repository } from 'typeorm';
 import { CreateEvaluationDto } from './dto/create-evaluation.dto';
@@ -29,10 +33,14 @@ export class EvaluationService {
   async create(createEvaluationDto: CreateEvaluationDto, user?: User) {
     // 1. Check Usage Limit (if user exists)
     if (user) {
-      const freshUser = await this.userRepository.findOne({ where: { id: user.id } });
+      const freshUser = await this.userRepository.findOne({
+        where: { id: user.id },
+      });
       if (freshUser) {
         const today = new Date().toDateString();
-        const lastDate = freshUser.last_usage_date ? freshUser.last_usage_date.toDateString() : null;
+        const lastDate = freshUser.last_usage_date
+          ? freshUser.last_usage_date.toDateString()
+          : null;
 
         // Reset if new day
         if (lastDate !== today) {
@@ -41,7 +49,9 @@ export class EvaluationService {
         }
 
         if (freshUser.usage_count >= freshUser.usage_limit) {
-          throw new ForbiddenException('Daily trial limit reached (10/10). Please upgrade or try again tomorrow.');
+          throw new ForbiddenException(
+            'Daily trial limit reached (10/10). Please upgrade or try again tomorrow.',
+          );
         }
       }
     }
@@ -50,7 +60,9 @@ export class EvaluationService {
 
     // Validation: Minimum Length
     if (!answer || answer.trim().length < 20) {
-      throw new ForbiddenException('Answer is too short. Please write at least 20 characters to proceed.');
+      throw new ForbiddenException(
+        'Answer is too short. Please write at least 20 characters to proceed.',
+      );
     }
 
     // Use level/part from task or DTO if available, defaults provided
@@ -68,19 +80,33 @@ export class EvaluationService {
     // 2. Increment Usage Count & Update Date (Only on successful AI call)
     if (user) {
       // We perform a safe update that handles the reset implicitly by setting the value
-      const freshUser = await this.userRepository.findOne({ where: { id: user.id } });
+      const freshUser = await this.userRepository.findOne({
+        where: { id: user.id },
+      });
       if (freshUser) {
         const today = new Date();
-        const lastDateStr = freshUser.last_usage_date ? freshUser.last_usage_date.toDateString() : null;
+        const lastDateStr = freshUser.last_usage_date
+          ? freshUser.last_usage_date.toDateString()
+          : null;
 
         if (lastDateStr !== today.toDateString()) {
           // First use of the day
-          await this.userRepository.update({ id: user.id }, { usage_count: 1, last_usage_date: today });
+          await this.userRepository.update(
+            { id: user.id },
+            { usage_count: 1, last_usage_date: today },
+          );
         } else {
           // Same day, just increment
-          await this.userRepository.increment({ id: user.id }, 'usage_count', 1);
+          await this.userRepository.increment(
+            { id: user.id },
+            'usage_count',
+            1,
+          );
           // Ensure date is current (though distinct days are handled above, keeping it fresh is fine)
-          await this.userRepository.update({ id: user.id }, { last_usage_date: today });
+          await this.userRepository.update(
+            { id: user.id },
+            { last_usage_date: today },
+          );
         }
       }
     }

backend/src/main.ts

@@ -7,11 +7,20 @@ import { AppModule } from './app.module';
 async function bootstrap() {
   const app = await NestFactory.create(AppModule);
   app.enableCors({
-    origin: (origin: string, callback: (err: Error | null, allow?: boolean) => void) => {
-      const allowedOrigins = (process.env.FRONTEND_URL || '').split(',').map(url => url.trim());
+    origin: (
+      origin: string,
+      callback: (err: Error | null, allow?: boolean) => void,
+    ) => {
+      const allowedOrigins = (process.env.FRONTEND_URL || '')
+        .split(',')
+        .map((url) => url.trim());
       allowedOrigins.push('http://localhost:3000');
 
-      if (!origin || allowedOrigins.includes(origin) || /\.vercel\.app$/.test(origin)) {
+      if (
+        !origin ||
+        allowedOrigins.includes(origin) ||
+        /\.vercel\.app$/.test(origin)
+      ) {
         callback(null, true);
       } else {
         console.warn(`Blocked CORS for origin: ${origin}`);