43 lines
1.8 KiB
TypeScript
43 lines
1.8 KiB
TypeScript
import { describe, it, expect } from 'vitest';
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import { promises as fs } from 'node:fs';
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import nodePath from 'node:path';
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import { fileURLToPath } from 'node:url';
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import { unified } from 'unified';
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import remarkParse from 'remark-parse';
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import remarkStringify from 'remark-stringify';
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import remarkGfm from 'remark-gfm';
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import remarkMath from 'remark-math';
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const __dirname = nodePath.dirname(fileURLToPath(import.meta.url));
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const fxDir = nodePath.join(__dirname, '..', 'fixtures', 'roundtrip');
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const parse = (md: string) => unified().use(remarkParse).use(remarkGfm).use(remarkMath).parse(md);
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const roundtrip = (md: string) =>
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unified().use(remarkParse).use(remarkGfm).use(remarkMath)
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.use(remarkStringify).use(remarkGfm).use(remarkMath).processSync(md).toString();
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function normalize(node: any): any {
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if (node === null || typeof node !== 'object') return node;
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if (Array.isArray(node)) return node.map(normalize);
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const { position, ...rest } = node;
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for (const k of Object.keys(rest)) rest[k] = normalize(rest[k]);
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return rest;
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}
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const CASES = ['emphasis-nested','escaping','tables','codeblock','tasklist','headings','thematic-break','blockquote','lists-nested','whitespace','breaks','links','images','math'];
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describe('Markdown 往返 fixture 集（mdast 等价）', () => {
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it('fixture 数量足够', async () => {
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const names = (await fs.readdir(fxDir)).filter(f => f.endsWith('.md') && f !== 'README.md');
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expect(names.length).toBeGreaterThanOrEqual(15);
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});
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for (const name of CASES) {
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it(name + ' 往返 mdast 等价', async () => {
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const md = await fs.readFile(nodePath.join(fxDir, name + '.md'), 'utf8');
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const mdPrime = roundtrip(md);
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expect(normalize(parse(mdPrime))).toEqual(normalize(parse(md)));
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});
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}
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});
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