106 lines
4.1 KiB
JavaScript
106 lines
4.1 KiB
JavaScript
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/**
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* savePost 全量往返测试 —— 对仓库里**每一篇**真实文章跑一遍「读出来原样存回去」。
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*
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* 为什么要有这个：frontmatter-roundtrip 只测 split/join 这两个纯函数，
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* 但真正会写坏文章的是 getPost → savePost 这条链路（中间的 content 剥了前导换行、
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* 回写时又要还原，任何一处不对称都会在部分文章上产生脏 diff）。
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* 所以这里必须用真文件、真篇数跑，不能只挑一篇（19/130 的写法差异就藏在里面）。
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*
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* 测试期间会**真实改写文件**，但每篇测完都立刻按原字节还原；
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* 结尾再逐篇核对 sha256，任何一篇没还原都会让脚本失败并指名道姓。
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*
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* 跑法：node test/save-roundtrip.mjs
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*/
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import fs from 'node:fs';
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import path from 'node:path';
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import crypto from 'node:crypto';
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import { makePosts } from '../src/posts.mjs';
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import { splitFrontMatter } from '../src/frontmatter.mjs';
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const repoRoot = path.resolve(process.env.BLOG_ROOT || path.join(import.meta.dirname, '..', '..'));
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const contentDir = path.join(repoRoot, 'content', 'posts');
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const trashDir = path.join(repoRoot, '.editor-tmp', 'trash');
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const posts = makePosts({ contentDir, trashDir, repoRoot, defaultAuthor: '' });
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const sha = (p) => crypto.createHash('sha256').update(fs.readFileSync(p)).digest('hex');
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const fmBlockOf = (text) => {
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const { raw } = splitFrontMatter(text);
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if (raw == null) return null;
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return '---\n' + raw + '\n---';
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};
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const list = posts.listPosts({ perPage: 500 });
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console.log('待测文章: ' + list.total + ' 篇 （仓库 ' + repoRoot + '）\n');
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let pass = 0;
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let fail = 0;
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const failures = [];
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/** 记录每篇的原始字节，最后统一核对还原情况 */
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const originals = new Map();
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for (const item of list.posts) {
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// 用 id（目录名）而不是 slug —— 仓库里有 slug 撞名，按 slug 会拿到 409 或别的文章
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const post = posts.getPost(item.id);
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if (!post || typeof post.filePath !== 'string') {
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fail++;
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failures.push(item.id + ' → getPost 拿不到 filePath');
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continue;
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}
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const file = post.filePath;
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const before = fs.readFileSync(file);
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originals.set(file, before);
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const beforeHash = crypto.createHash('sha256').update(before).digest('hex');
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let mark = '✓';
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// ---- ① 原样回存：必须逐字节不变（这是最重要的一条）----
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posts.savePost(item.id, { content: post.content, frontMatter: post.frontMatter });
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const afterHash = sha(file);
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if (afterHash !== beforeHash) {
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mark = '✗';
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failures.push(item.id + ' → 「原样回存」字节变了 ' + beforeHash.slice(0, 12) + ' ≠ ' + afterHash.slice(0, 12));
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}
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// ---- ② 只改正文：front matter 区块必须逐字节不变 ----
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const midText = fs.readFileSync(file, 'utf8');
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const fmBefore = fmBlockOf(midText);
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posts.savePost(item.id, { content: post.content + '\n\n<!-- probe -->\n' });
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const editedText = fs.readFileSync(file, 'utf8');
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if (fmBefore !== fmBlockOf(editedText)) {
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mark = '✗';
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failures.push(item.id + ' → 改正文时 front matter 被改动');
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}
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if (!editedText.includes('<!-- probe -->')) {
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mark = '✗';
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failures.push(item.id + ' → 正文没写进去');
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}
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// ---- ③ 立刻还原成原字节 ----
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fs.writeFileSync(file, before);
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if (mark === '✓') pass++;
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else fail++;
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if (mark === '✗') console.log(mark + ' ' + item.slug);
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}
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// ---- ④ 总核对：全仓库不允许残留任何被改动的文章 ----
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console.log('\n--- 还原核对 ---');
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let notRestored = 0;
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for (const [file, buf] of originals) {
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const now = fs.readFileSync(file);
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if (!now.equals(buf)) {
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notRestored++;
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console.log(' ✗ 未还原: ' + file);
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}
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}
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if (notRestored === 0) console.log(' ✓ ' + originals.size + ' 篇全部还原为原始字节');
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console.log('\n================================');
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console.log('通过 ' + pass + ' / 失败 ' + fail + ' 未还原 ' + notRestored);
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if (failures.length) {
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console.log('\n失败明细:');
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for (const f of failures) console.log(' · ' + f);
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}
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process.exit(fail || notRestored ? 1 : 0);
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