97 lines
4.0 KiB
JavaScript
97 lines
4.0 KiB
JavaScript
const test = require("node:test");
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const assert = require("node:assert/strict");
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const { Readable } = require("node:stream");
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const {
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collectMarkdownLinksFromStream,
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extractLinksFromText,
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sanitizeUrlCandidate,
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} = require("../lib/markdown_links");
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test("extractLinksFromText returns sanitized external URLs only once", () => {
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const input =
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"See [example](https://example.com) and <https://foo.com>. " +
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"Autolink https://bar.com/path).\nDuplicate https://example.com!";
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const urls = extractLinksFromText(input);
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assert.deepStrictEqual(urls, ["https://example.com", "https://foo.com", "https://bar.com/path"]);
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});
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test("extractLinksFromText does not extend a markdown destination past the closing parenthesis", () => {
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const input = "J'ai eu mon lot d'installations du couple [anope](https://www.anope.org/)/epona.";
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const urls = extractLinksFromText(input);
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assert.deepStrictEqual(urls, ["https://www.anope.org/"]);
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});
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test("collectMarkdownLinksFromStream preserves line numbers", async () => {
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const content = [
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"Intro line with no link",
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"Markdown [link](https://docs.example.org/page).",
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"Plain link https://news.example.net/article.",
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"Trailing <https://portal.example.com/path> punctuation.",
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"Markdown [link](https://docs.example.org/page(with more valid content)).",
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"Le **[baume du Canada](https://fr.wikipedia.org/wiki/Baume_du_Canada)**",
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"(_Theropoda [incertae sedis](https://fr.wikipedia.org/wiki/Incertae_sedis)_)",
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"[CDN](https://fr.wikipedia.org/wiki/Réseau_de_diffusion_de_contenu)[^2].",
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"(heu... [oui](https://github.com/opencart/opencart/tree/master/upload/system/storage/vendor)...)"
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].join("\n");
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const stream = Readable.from([content]);
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const links = await collectMarkdownLinksFromStream(stream);
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assert.deepStrictEqual(links, [
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{ url: "https://docs.example.org/page", line: 2 },
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{ url: "https://news.example.net/article", line: 3 },
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{ url: "https://portal.example.com/path", line: 4 },
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{ url: "https://docs.example.org/page(with more valid content)", line: 5 },
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{ url: "https://fr.wikipedia.org/wiki/Baume_du_Canada", line: 6 },
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{ url: "https://fr.wikipedia.org/wiki/Incertae_sedis", line: 7 },
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{ url: "https://fr.wikipedia.org/wiki/Réseau_de_diffusion_de_contenu", line: 8 },
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{ url: "https://github.com/opencart/opencart/tree/master/upload/system/storage/vendor", line: 9 },
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]);
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});
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test("collectMarkdownLinksFromStream ignores inline code, fenced code blocks and indented code blocks", async () => {
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const content = [
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"Visible https://visible.example.com.",
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"Inline code `https://inline.example.com` and normal https://normal.example.com.",
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"",
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"```yaml",
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"uses: https://github.com/easingthemes/ssh-deploy@main",
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"```",
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"",
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" https://indented.example.com",
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"After code https://after.example.com.",
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].join("\n");
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const stream = Readable.from([content]);
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const links = await collectMarkdownLinksFromStream(stream);
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assert.deepStrictEqual(links, [
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{ url: "https://visible.example.com", line: 1 },
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{ url: "https://normal.example.com", line: 2 },
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{ url: "https://after.example.com", line: 9 },
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]);
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});
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test("collectMarkdownLinksFromStream ignores URLs in front matter entirely", async () => {
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const content = [
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"---",
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"links:",
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" # url: https://ignored.example.com",
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" - url: https://included.example.com",
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"---",
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"Body with https://body.example.com link.",
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].join("\n");
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const stream = Readable.from([content]);
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const links = await collectMarkdownLinksFromStream(stream);
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assert.deepStrictEqual(links, [
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{ url: "https://body.example.com", line: 6 },
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]);
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});
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test("sanitizeUrlCandidate removes spurious trailing punctuation", () => {
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const cases = [
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["https://example.com).", "https://example.com"],
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["https://example.com!\"", "https://example.com"],
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["<https://example.com>", "https://example.com"],
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];
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for (const [input, expected] of cases) {
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assert.equal(sanitizeUrlCandidate(input), expected);
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}
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});
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