node/test/doctool/test-make-doc.mjs
Paolo Insogna 9be1dcff34
doc,tools: improve navigability of API docs
PR-URL: https://github.com/nodejs/node/pull/41404
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
2022-02-24 12:00:42 +01:00

65 lines
2 KiB
JavaScript

import * as common from '../common/index.mjs';
import assert from 'assert';
import fs from 'fs';
import path from 'path';
if (common.isWindows) {
common.skip('`make doc` does not run on Windows');
}
// This tests that `make doc` generates the documentation properly.
// Note that for this test to pass, `make doc` must be run first.
const apiURL = new URL('../../out/doc/api/', import.meta.url);
const mdURL = new URL('../../doc/api/', import.meta.url);
const allMD = fs.readdirSync(mdURL);
const allDocs = fs.readdirSync(apiURL);
assert.ok(allDocs.includes('index.html'));
const actualDocs = allDocs.filter(
(name) => {
const extension = path.extname(name);
return extension === '.html' || extension === '.json';
}
);
for (const name of actualDocs) {
if (name.startsWith('all.')) continue;
assert.ok(
allMD.includes(name.replace(/\.\w+$/, '.md')),
`Unexpected output: out/doc/api/${name}, remove and rerun.`
);
}
const toc = fs.readFileSync(new URL('./index.html', apiURL), 'utf8');
const re = /href="([^/]+\.html)"/;
const globalRe = new RegExp(re, 'g');
const links = toc.match(globalRe);
assert.notStrictEqual(links, null);
// Filter out duplicate links, leave just filenames, add expected JSON files.
const linkedHtmls = [...new Set(links)].map((link) => link.match(re)[1])
.concat(['index.html']);
const expectedJsons = linkedHtmls
.map((name) => name.replace('.html', '.json'));
const expectedDocs = linkedHtmls.concat(expectedJsons);
// Test that all the relative links in the TOC match to the actual documents.
for (const expectedDoc of expectedDocs) {
assert.ok(actualDocs.includes(expectedDoc), `${expectedDoc} does not exist`);
}
// Test that all the actual documents match to the relative links in the TOC
// and that they are not empty files.
for (const actualDoc of actualDocs) {
assert.ok(
expectedDocs.includes(actualDoc), `${actualDoc} does not match TOC`);
assert.notStrictEqual(
fs.statSync(new URL(`./${actualDoc}`, apiURL)).size,
0,
`${actualDoc} is empty`
);
}