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- /**
- * 验证「内容是否为空」的判空口径在两处保持一致。
- *
- * 验证什么:
- * 这个 bug 的本质是**两处判空口径不一致**,所以这里断言的不变量就是"两处必须一致":
- * `hasVisibleMessageContent(c)` 为 false 时,
- * - `isInterruptedEmptyScopeMessage`(渲染层)必须判为"空的、要显示请求已取消"
- * - `normalizeSessionHistory`(归一化)必须把内容替换成 CANCELLED_SESSION_TEXT
- * 反之必须都不成立。
- *
- * 触发场景:新协议的正文要等到 done 才写入,处理期间内容**只有 `<scope>` 进度块**;
- * 此时切会话,归一化曾认为"有内容"(不替换文案)却把状态翻成 Finish,
- * 渲染层则认为"没内容"→ 误报「请求已取消」。
- *
- * 怎么跑(在项目根目录):
- * npx esbuild harness/tools/_entry-empty-content.ts --bundle --format=esm \
- * --alias:@=./src --outfile=harness/tools/_empty-content.mjs
- * node harness/tools/verify-empty-content-agreement.mjs
- */
- import {
- hasVisibleMessageContent,
- isInterruptedEmptyScopeMessage,
- normalizeSessionHistory,
- CANCELLED_SESSION_TEXT,
- } from './_empty-content.mjs';
- let pass = 0;
- let fail = 0;
- const check = (name, cond, extra = '') => {
- if (cond) {
- pass++;
- console.log(' ok ' + name);
- } else {
- fail++;
- console.log(' FAIL ' + name + ' ' + extra);
- }
- };
- const SCOPE = '<scope title="正在检索相关政策和配套服务……">\n</scope>\n';
- const SCOPE2 = '<scope title="问题仍在处理中,请稍候……">\n</scope>\n';
- const CASES = [
- { name: '空字符串', content: '', empty: true },
- { name: '只有空白', content: ' \n ', empty: true },
- { name: '只有 1 个进度块', content: SCOPE, empty: true },
- { name: '只有多个进度块(= 处理中的真实状态)', content: SCOPE + SCOPE2, empty: true },
- { name: '只有 silence 标签', content: '<silence></silence>', empty: true },
- { name: '进度块 + 正文', content: SCOPE + '这是回答正文。', empty: false },
- { name: '纯正文', content: '这是回答正文。', empty: false },
- { name: '正文 + 进度块', content: '这是回答正文。\n\n' + SCOPE, empty: false },
- { name: '只有标记(POLICY_TABLE)', content: '<!-- POLICY_TABLE {"data":[]} POLICY_TABLE -->', empty: false },
- ];
- console.log('=== 1. hasVisibleMessageContent 的基准判定 ===');
- CASES.forEach((c) => {
- check(`「${c.name}」判为空=${c.empty}`, hasVisibleMessageContent(c.content) === !c.empty);
- });
- console.log('\n=== 2. 不变量:两处判空必须一致 ===');
- CASES.forEach((c) => {
- // 渲染层:history 消息、已结束状态
- const renderSaysEmpty = isInterruptedEmptyScopeMessage({
- role: 'ai',
- state: 3,
- history: true,
- content: c.content,
- });
- // 归一化:pending 状态的消息,看它是否把内容替换成"会话已经取消"
- const session = {
- id: 's1',
- title: 't',
- messages: [{ id: 'm1', role: 'ai', content: c.content, state: 1, history: false }],
- };
- normalizeSessionHistory(session);
- const normalizeSaysEmpty = session.messages[0].content === CANCELLED_SESSION_TEXT;
- check(
- `「${c.name}」两处一致(渲染=${renderSaysEmpty} 归一化=${normalizeSaysEmpty})`,
- renderSaysEmpty === normalizeSaysEmpty,
- `期望两处都为 ${c.empty}`
- );
- check(`「${c.name}」都判为 ${c.empty ? '空' : '非空'}`, renderSaysEmpty === c.empty);
- });
- console.log('\n=== 3. 回归:正文不会被误替换 ===');
- {
- const session = {
- id: 's1',
- title: 't',
- messages: [{ id: 'm1', role: 'ai', content: SCOPE + '真实回答', state: 1, history: false }],
- };
- normalizeSessionHistory(session);
- check('有正文时不替换成"会话已经取消"', session.messages[0].content !== CANCELLED_SESSION_TEXT);
- check('但状态仍归一到 Finish', session.messages[0].state === 3);
- }
- {
- const session = {
- id: 's1',
- title: 't',
- messages: [{ id: 'm1', role: 'ai', content: SCOPE, state: 1, history: false }],
- };
- normalizeSessionHistory(session);
- check('只有进度块时替换成"会话已经取消"(不再让渲染层误报"请求已取消")',
- session.messages[0].content === CANCELLED_SESSION_TEXT);
- }
- console.log(`\n通过 ${pass} 项,失败 ${fail} 项`);
- process.exit(fail ? 1 : 0);
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