Writing Integration Tests

describe('Cache integration', () => {
  let cache, db;

  beforeAll(async () => {
    cache = await Redis.connect();
    db = await Database.connect();
  });

  test('should sync cache with database', async () => {
    await db.set('key', 'value');
    await syncCache();
    
    const cachedValue = await cache.get('key');
    expect(cachedValue).toBe('value');
    
    await db.delete('key');
    await syncCache();
    
    const deletedValue = await cache.get('key');
    expect(deletedValue).toBeNull();
  });
});