const { spawnSync } = require('child_process'); describe('Bot Startup', () => { test('exits with code 1 if DISCORD_TOKEN is missing', () => { // Clear DISCORD_TOKEN const env = { ...process.env }; delete env.DISCORD_TOKEN; const result = spawnSync('node', ['src/index.js'], { env, encoding: 'utf-8' }); expect(result.status).toBe(1); expect(result.stderr || result.stdout).toMatch(/DISCORD_TOKEN is missing/); }); });