const { spawnSync } = require('child_process'); describe('NPM Start Script', () => { test('npm start exits without error when DISCORD_TOKEN is provided', () => { const env = { ...process.env, DISCORD_TOKEN: 'dummy-token', CLIENT_ID: '123', LAVALINK_HOST: 'localhost', LAVALINK_PORT: '2333', LAVALINK_PASSWORD: 'pass' }; const result = spawnSync('pnpm', ['start'], { env, encoding: 'utf-8' }); // The script starts the bot; if it reaches login attempt, exit code is 0 expect(result.status).toBe(0); }); });