the-tip-top-backend/test/integration/newsletter.test.js

/**
 * Tests d'intégration pour les endpoints newsletter et contact
 */
import request from 'supertest';
import app from '../../index.js';

describe('Newsletter API', () => {
  describe('POST /api/newsletter/subscribe', () => {
    it('should reject subscription with invalid email', async () => {
      const res = await request(app)
        .post('/api/newsletter/subscribe')
        .send({ email: 'invalid-email' });

      expect(res.statusCode).toBe(400);
      expect(res.body.success).toBe(false);
    });

    it('should reject subscription with missing email', async () => {
      const res = await request(app)
        .post('/api/newsletter/subscribe')
        .send({});

      expect(res.statusCode).toBe(400);
      expect(res.body.success).toBe(false);
    });
  });

  describe('POST /api/newsletter/unsubscribe', () => {
    it('should reject unsubscription with invalid email', async () => {
      const res = await request(app)
        .post('/api/newsletter/unsubscribe')
        .send({ email: 'invalid-email' });

      expect(res.statusCode).toBe(400);
      expect(res.body.success).toBe(false);
    });

    it('should reject unsubscription with missing email', async () => {
      const res = await request(app)
        .post('/api/newsletter/unsubscribe')
        .send({});

      expect(res.statusCode).toBe(400);
      expect(res.body.success).toBe(false);
    });
  });

  describe('GET /api/newsletter/subscribers', () => {
    it('should reject request without authentication', async () => {
      const res = await request(app).get('/api/newsletter/subscribers');

      expect(res.statusCode).toBe(401);
    });
  });

  describe('GET /api/newsletter/count', () => {
    it('should reject request without authentication', async () => {
      const res = await request(app).get('/api/newsletter/count');

      expect(res.statusCode).toBe(401);
    });
  });
});

describe('Contact API', () => {
  describe('POST /api/contact', () => {
    it('should reject contact form with missing fields', async () => {
      const res = await request(app)
        .post('/api/contact')
        .send({
          name: 'John Doe',
        });

      expect(res.statusCode).toBe(400);
    });

    it('should reject contact form with invalid email', async () => {
      const res = await request(app)
        .post('/api/contact')
        .send({
          name: 'John Doe',
          email: 'invalid-email',
          subject: 'Test Subject',
          message: 'Test message',
        });

      expect(res.statusCode).toBe(400);
    });
  });
});

describe('Health Check Endpoints', () => {
  describe('GET /', () => {
    it('should return 200 with API status', async () => {
      const res = await request(app).get('/');

      expect(res.statusCode).toBe(200);
      expect(res.body).toHaveProperty('message');
    });
  });

  describe('GET /db-check', () => {
    it('should return database status', async () => {
      const res = await request(app).get('/db-check');

      // May return 200 or 500 depending on DB connection
      expect([200, 500]).toContain(res.statusCode);
    });
  });

  describe('GET /metrics', () => {
    it('should return Prometheus metrics', async () => {
      const res = await request(app).get('/metrics');

      expect(res.statusCode).toBe(200);
      expect(res.headers['content-type']).toContain('text/plain');
    });
  });
});