chore: initialize qiming workspace repository
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283
qimingclaw/crates/qiming-mcp-stdio-proxy/demo/test-reconnect.mjs
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283
qimingclaw/crates/qiming-mcp-stdio-proxy/demo/test-reconnect.mjs
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/**
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* MCP Resilient Transport 重连测试
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*
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* 自动测试 Streamable HTTP 和 SSE 两种传输协议的 重连 + re-initialize 流程。
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*
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* 用法:
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* node demo/test-reconnect.mjs # 跑全部（streamable-http + sse）
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* node demo/test-reconnect.mjs streamable-http # 只跑 streamable-http
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* node demo/test-reconnect.mjs sse # 只跑 sse
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*
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* 流程（每种协议）:
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* 1. 启动 demo MCP server
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* 2. 启动 mcp-proxy (convert 模式) 连接 server
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* 3. 发送 initialize + initialized + tools/list 验证连接
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* 4. 等心跳 OK
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* 5. SIGKILL 杀掉 server（模拟崩溃）
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* 6. 等 proxy 重试几轮
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* 7. 重启 server
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* 8. 验证 proxy 自动 re-initialize + 心跳恢复 + tools/list 正常
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*/
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import { fork, spawn } from 'node:child_process';
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import { setTimeout as sleep } from 'node:timers/promises';
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import { fileURLToPath } from 'node:url';
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import { dirname, join } from 'node:path';
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const __dirname = dirname(fileURLToPath(import.meta.url));
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const ROOT = join(__dirname, '..');
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// ---- 配置 ----
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const MODES = {
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'streamable-http': {
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serverScript: join(__dirname, 'streamable-http-server.mjs'),
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port: 18080,
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url: 'http://127.0.0.1:18080/mcp',
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protocol: 'stream',
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},
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'sse': {
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serverScript: join(__dirname, 'sse-server.mjs'),
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port: 18081,
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url: 'http://127.0.0.1:18081/sse',
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protocol: 'sse',
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},
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};
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// ---- 工具函数 ----
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function startServer(config) {
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const p = fork(config.serverScript, [String(config.port)], {
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stdio: ['ignore', 'pipe', 'pipe', 'ipc'],
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cwd: ROOT,
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});
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p.stdout.on('data', d => {
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for (const line of d.toString().trim().split('\n')) {
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console.log(` [SERVER] ${line}`);
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}
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});
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p.stderr.on('data', d => {
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for (const line of d.toString().trim().split('\n')) {
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console.log(` [SERVER:err] ${line}`);
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}
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});
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return p;
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}
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function startProxy(config) {
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const args = [
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join(ROOT, 'dist/index.js'),
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'convert',
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config.url,
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'--protocol', config.protocol,
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'--ping-interval', '3000',
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'--ping-timeout', '2000',
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];
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return spawn(process.execPath, args, {
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stdio: ['pipe', 'pipe', 'pipe'],
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cwd: ROOT,
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env: { ...process.env, MCP_PROXY_LOG_FILE: '' },
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});
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}
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function sendJsonrpc(proxy, message) {
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proxy.stdin.write(JSON.stringify(message) + '\n');
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}
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function ts() {
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return new Date().toISOString().slice(11, 23);
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}
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async function killProc(p) {
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if (!p || p.killed) return;
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p.kill('SIGTERM');
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await sleep(300);
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try { p.kill('SIGKILL'); } catch {}
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}
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// ---- 单轮测试 ----
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async function runTest(modeName, config) {
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console.log(`\n ${'─'.repeat(56)}`);
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console.log(` 测试: ${modeName} (${config.url})`);
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console.log(` ${'─'.repeat(56)}`);
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let serverProcess = null;
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let proxyProcess = null;
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const proxyLogs = [];
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try {
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// 1. 启动 server
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console.log(` [${ts()}] STEP 1 启动 MCP Server`);
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serverProcess = startServer(config);
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await sleep(1500);
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// 2. 启动 proxy
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console.log(` [${ts()}] STEP 2 启动 mcp-proxy (convert)`);
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proxyProcess = startProxy(config);
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proxyProcess.stderr.on('data', d => {
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for (const line of d.toString().trim().split('\n')) {
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proxyLogs.push(line);
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if (/Connected|Heartbeat|Re-initializ|re-initialized|Closed|Retrying|Connect failed|error/i.test(line)) {
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console.log(` [${ts()}] PROXY ${line.replace(/.*\[qiming-mcp-proxy\]\s*/, '')}`);
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}
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}
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});
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proxyProcess.stdout.on('data', d => {
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for (const line of d.toString().trim().split('\n')) {
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if (!line.trim()) continue;
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try {
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const msg = JSON.parse(line);
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if (msg.result?.tools) {
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console.log(` [${ts()}] RESP tools/list -> ${msg.result.tools.length} tools: [${msg.result.tools.map(t => t.name).join(', ')}]`);
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} else if (msg.result?.protocolVersion) {
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console.log(` [${ts()}] RESP initialize OK -> protocol ${msg.result.protocolVersion}`);
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} else if (msg.error) {
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console.log(` [${ts()}] RESP ERROR: ${msg.error.message}`);
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}
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} catch {}
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}
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});
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await sleep(2000);
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// 3. initialize 握手
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console.log(` [${ts()}] STEP 3 发送 initialize 握手`);
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sendJsonrpc(proxyProcess, {
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jsonrpc: '2.0', id: 'init-1', method: 'initialize',
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params: { protocolVersion: '2024-11-05', capabilities: {}, clientInfo: { name: 'test', version: '1.0' } },
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});
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await sleep(1000);
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sendJsonrpc(proxyProcess, { jsonrpc: '2.0', method: 'notifications/initialized' });
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await sleep(500);
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// 4. tools/list
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console.log(` [${ts()}] STEP 4 发送 tools/list`);
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sendJsonrpc(proxyProcess, { jsonrpc: '2.0', id: 'list-1', method: 'tools/list', params: {} });
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await sleep(1000);
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// 5. 等心跳
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console.log(` [${ts()}] STEP 5 等待首次心跳...`);
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await sleep(5000);
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// 6. 杀 server
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console.log(` [${ts()}] STEP 6 SIGKILL 杀掉 server`);
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serverProcess.kill('SIGKILL');
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serverProcess = null;
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// 7. 等重连重试
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console.log(` [${ts()}] STEP 7 等待 proxy 重试...`);
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await sleep(8000);
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// 8. 重启 server
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console.log(` [${ts()}] STEP 8 重启 server`);
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serverProcess = startServer(config);
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await sleep(1500);
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// 9. 等 re-initialize + 心跳恢复
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console.log(` [${ts()}] STEP 9 等待 re-initialize + 心跳恢复...`);
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await sleep(12000);
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// 10. 验证恢复
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console.log(` [${ts()}] STEP 10 发送 tools/list 验证恢复`);
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sendJsonrpc(proxyProcess, { jsonrpc: '2.0', id: 'list-2', method: 'tools/list', params: {} });
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await sleep(2000);
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// ---- 分析 ----
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const checks = {
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reconnect: proxyLogs.some(l => /Retrying|Closed/i.test(l)),
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reInitSent: proxyLogs.some(l => l.includes('Invoking reconnect handler') || l.includes('Reconnect handler')),
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reInitOk: proxyLogs.some(l => l.includes('Reconnect handler completed')) || proxyLogs.some(l => l.includes('Connected') && l.includes('StreamableHTTP')),
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heartbeatOk: proxyLogs.filter(l => l.includes('Heartbeat OK') || l.includes('💖 Health check OK')).length >= 1,
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};
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return checks;
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} finally {
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await killProc(proxyProcess);
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await killProc(serverProcess);
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await sleep(500);
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}
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}
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// ---- 主流程 ----
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const arg = process.argv[2];
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const modesToRun = arg ? [arg] : Object.keys(MODES);
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for (const m of modesToRun) {
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if (!MODES[m]) {
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console.error(`\n 未知模式: ${m} (可选: ${Object.keys(MODES).join(', ')})`);
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process.exit(1);
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}
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}
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console.log(`\n${'='.repeat(60)}`);
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console.log(` MCP Resilient Transport 重连测试`);
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console.log(` 模式: ${modesToRun.join(', ')}`);
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console.log(`${'='.repeat(60)}`);
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const results = {};
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for (const m of modesToRun) {
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results[m] = await runTest(m, MODES[m]);
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}
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// ---- 汇总表格 ----
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const labels = {
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reconnect: '重连触发',
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reInitSent: 'Re-init 发送',
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reInitOk: 'Re-init 成功',
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heartbeatOk: '心跳恢复',
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};
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const allPass = modesToRun.every(m => Object.values(results[m]).every(Boolean));
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// 计算列宽: 第一列=检查项, 后续列=每个 mode
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const col0W = 14; // "Re-init 发送" 占 12 中文宽度，留余量
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const colW = modesToRun.map(m => Math.max(m.length, 7)); // 至少 "✅ PASS".length
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const totalW = col0W + colW.reduce((a, b) => a + b + 3, 0) + 1; // +3 " | ", +1 边框
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const pad = (s, w) => {
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// 中文字符算 2 宽度
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const vis = [...s].reduce((n, c) => n + (c.charCodeAt(0) > 0x7f ? 2 : 1), 0);
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return s + ' '.repeat(Math.max(0, w - vis));
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};
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const hline = (ch = '─', joint = '┼') => {
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const segs = [ch.repeat(col0W + 2), ...colW.map(w => ch.repeat(w + 2))];
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return `├${segs.join(joint)}┤`;
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};
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const topline = () => {
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const segs = [' '.repeat(col0W + 2), ...colW.map(w => '─'.repeat(w + 2))];
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return `┌${segs.join('┬')}┐`;
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};
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const botline = () => {
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const segs = [' '.repeat(col0W + 2), ...colW.map(w => '─'.repeat(w + 2))];
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return `└${segs.join('┴')}┘`;
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};
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console.log(`\n 测试结果汇总\n`);
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// 表头
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console.log(` ${topline()}`);
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const headerCols = modesToRun.map((m, i) => ` ${pad(m, colW[i])} `);
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console.log(` │ ${pad('检查项', col0W)} │${headerCols.join('│')}│`);
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console.log(` ${hline()}`);
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// 数据行
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for (const [key, label] of Object.entries(labels)) {
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const dataCols = modesToRun.map((m, i) => {
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const v = results[m][key] ? '✅ PASS' : '❌ FAIL';
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return ` ${pad(v, colW[i])} `;
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});
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console.log(` │ ${pad(label, col0W)} │${dataCols.join('│')}│`);
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}
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console.log(` ${botline()}`);
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console.log(`\n 总结: ${allPass ? '✅ 全部通过!' : '❌ 存在失败项'}\n`);
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process.exit(allPass ? 0 : 1);
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