import { test } from 'node:test';
import assert from 'node:assert/strict';
import {
extractSharePreviewMeta,
injectOgTags,
injectWechatShareBridge,
PLATFORM_SITE_NAME,
renderWechatSharePreviewHtml,
} from './mindspace-og-tags.mjs';
const ctx = {
origin: 'https://m.tkmind.cn',
pageUrl: 'https://m.tkmind.cn/MindSpace/john/public/space.html',
pageDirUrl: 'https://m.tkmind.cn/MindSpace/john/public/',
};
test('injects og/twitter tags with absolute image from a relative cover', () => {
const html = `🚀 太空小勇士 - 闯关大冒险` +
`` +
``;
const out = injectOgTags(html, ctx);
assert.match(out, //);
assert.match(out, //);
assert.match(out, //);
assert.match(out, //);
assert.match(out, //);
assert.match(out, //);
assert.ok(out.indexOf('og:image') < out.indexOf(''));
});
test('falls back to the thumbnail png when the page has no cover of its own', () => {
const html = `纯文字页面`;
const out = injectOgTags(html, {
...ctx,
fallbackImageUrl: 'https://m.tkmind.cn/MindSpace/john/public/space.thumbnail.png',
});
assert.match(out, //);
assert.match(out, //);
assert.match(out, //);
});
test('prefers the page cover over the thumbnail fallback when the cover file exists', () => {
const html = `X`;
const out = injectOgTags(html, {
...ctx,
fallbackImageUrl: 'https://m.tkmind.cn/x.thumbnail.png',
htmlFilePath: '/tmp/public/page.html',
fileExists: (target) => String(target).endsWith('assets/hero.jpg'),
});
assert.match(out, /og:image" content="https:\/\/m\.tkmind\.cn\/MindSpace\/john\/public\/assets\/hero\.jpg"/);
assert.doesNotMatch(out, /thumbnail\.png/);
});
test('falls back to thumbnail png when the declared cover file is missing on disk', () => {
const html = `X`;
const out = injectOgTags(html, {
...ctx,
fallbackImageUrl: 'https://m.tkmind.cn/x.thumbnail.png',
htmlFilePath: '/tmp/public/page.html',
fileExists: () => false,
});
assert.match(out, //);
assert.doesNotMatch(out, / {
const html = `T`;
const out = injectOgTags(html, ctx);
assert.equal((out.match(/og:image/g) ?? []).length, 1);
assert.match(out, //);
});
test('skips og:image for svg-only cover, falls back to summary card', () => {
const html = `仅SVG`;
const out = injectOgTags(html, ctx);
assert.doesNotMatch(out, /og:image/);
assert.match(out, //);
assert.match(out, //);
});
test('passes through a full https cover url unchanged', () => {
const html = `X`;
const out = injectOgTags(html, ctx);
assert.match(out, //);
});
test('resolves a root-absolute cover against the origin', () => {
const html = `X`;
const out = injectOgTags(html, ctx);
assert.match(out, //);
});
test('escapes quotes and ampersands in title to keep the meta tag well-formed', () => {
const html = `say "hi" & bye`;
const out = injectOgTags(html, ctx);
assert.match(out, //);
});
test('uses meta override for shell pages that only expose a title', () => {
const shell = `连云港三天两夜攻略 🌊`;
const out = injectOgTags(shell, {
...ctx,
fallbackImageUrl: 'https://m.tkmind.cn/MindSpace/john/public/demo.thumbnail.png',
meta: { subtitle: '三天两夜·沙滩酒店·必吃美食' },
});
assert.match(out, //);
assert.match(out, //);
});
test('extractSharePreviewMeta returns the card fields used by preview tooling', () => {
const html = injectOgTags(
`标题`,
ctx,
);
const preview = extractSharePreviewMeta(html, ctx);
assert.equal(preview.title, '标题');
assert.equal(preview.description, '描述');
assert.equal(preview.siteName, PLATFORM_SITE_NAME);
assert.match(preview.iconUrl, /\/brand\/tkmind-icon\.png$/);
});
test('renderWechatSharePreviewHtml includes title, description and site footer', () => {
const html = renderWechatSharePreviewHtml({
title: '连云港三天两夜攻略 🌊',
description: '三天两夜·沙滩酒店·必吃美食',
siteName: PLATFORM_SITE_NAME,
imageUrl: 'https://example.com/cover.png',
iconUrl: '/brand/tkmind-icon.png',
pageUrl: ctx.pageUrl,
});
assert.match(html, /连云港三天两夜攻略/);
assert.match(html, /三天两夜·沙滩酒店·必吃美食/);
assert.match(html, /TKMind 智趣/);
assert.match(html, /example\.com\/cover\.png/);
});
test('injectWechatShareBridge adds WeChat share bootstrap with og-derived metadata', () => {
const html = `页面标题` +
`` +
`` +
`` +
``;
const out = injectWechatShareBridge(html, {
pageUrl: 'https://m.tkmind.cn/u/john/pages/demo',
});
assert.match(out, /data-tkmind-wechat-share="1"/);
assert.match(out, /fetch\(endpoint \+ '\?url='/);
assert.match(out, /updateAppMessageShareData/);
assert.match(out, /https:\/\/g2\.tkmind\.cn\/hero\.png/);
assert.match(out, /分享标题/);
assert.match(out, /分享描述/);
});
test('injectWechatShareBridge falls back description when og tags are missing', () => {
const html = `页面标题`;
const out = injectWechatShareBridge(html, { pageUrl: 'https://m.tkmind.cn/u/john/pages/demo' });
assert.match(out, /TKMind 智趣 · 精选作品/);
});
test('injectWechatShareBridge is idempotent', () => {
const html = `X`;
const first = injectWechatShareBridge(html, { pageUrl: 'https://m.tkmind.cn/u/john/pages/demo' });
const second = injectWechatShareBridge(first, { pageUrl: 'https://m.tkmind.cn/u/john/pages/demo' });
assert.equal((second.match(/data-tkmind-wechat-share="1"/g) ?? []).length, 1);
});