test_mapreduce_load.js

// 测试 Map-Reduce 脚本加载
const path = require('path');

console.log('[Test] 开始测试 Map-Reduce 脚本加载...');

const SCRIPTS_DIR = path.resolve(__dirname, 'scripts');
const MAPREDUCE_SCRIPT = path.join(SCRIPTS_DIR, 'mapreduce-refactor.js');

console.log('[Test] 脚本路径:', MAPREDUCE_SCRIPT);
console.log('[Test] 文件存在:', require('fs').existsSync(MAPREDUCE_SCRIPT));

try {
  // 清除缓存
  delete require.cache[require.resolve(MAPREDUCE_SCRIPT)];

  // 加载模块
  const module = require(MAPREDUCE_SCRIPT);

  console.log('[Test] ✅ 模块加载成功');
  console.log('[Test] 导出函数:', Object.keys(module));

  // 检查必需函数
  const requiredFunctions = ['calculateTasks', 'generateFFmpegCommand', 'generateReduceCommand'];
  const missingFunctions = requiredFunctions.filter(fn => typeof module[fn] !== 'function');

  if (missingFunctions.length > 0) {
    console.log('[Test] ❌ 缺少函数:', missingFunctions);
  } else {
    console.log('[Test] ✅ 所有必需函数都存在');
  }

} catch (error) {
  console.log('[Test] ❌ 加载失败:', error.message);
  console.log('[Test] 错误堆栈:', error.stack);
}