myex-cli/test/api.test.js

Opinionated Express.js framework with CLI tools

import { jest } from '@jest/globals';
import request from 'supertest';
import jwt from 'jsonwebtoken';

// Mock database connection
jest.unstable_mockModule('../src/db/connection.js', () => ({
  connectToDatabase: jest.fn().mockResolvedValue(true),
}));

// Import the app after mocking dependencies
const { default: app } = await import('../src/app.js');

describe('API Routes', () => {
  let authToken;
  
  // Before all tests
  beforeAll(async () => {
    // Set up test environment
    process.env.NODE_ENV = 'test';
    process.env.JWT_SECRET = 'test_jwt_secret';
    
    // Generate token for protected route test
    authToken = jwt.sign(
      { id: '123456789012345678901234', email: 'test@example.com', role: 'user' },
      process.env.JWT_SECRET,
      { expiresIn: '1h' }
    );
  });

  // Health check endpoint
  describe('GET /health', () => {
    it('should return 200 and UP status', async () => {
      const response = await request(app).get('/health');
      
      expect(response.status).toBe(200);
      expect(response.body.status).toBe('UP');
    });
  });

  // API info endpoint
  describe('GET /api', () => {
    it('should return welcome message and API info', async () => {
      const response = await request(app).get('/api');
      
      expect(response.status).toBe(200);
      expect(response.body.message).toBe('Welcome to the API');
      expect(response.body.version).toBeDefined();
      expect(response.body.endpoints).toBeDefined();
    });
  });

  // Protected route
  describe('GET /api/protected', () => {
    it('should return 401 without auth token', async () => {
      const response = await request(app).get('/api/protected');
      
      expect(response.status).toBe(401);
      expect(response.body.status).toBe('error');
    });
  });
});