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g1t/apps/web/app/lib/meta.test.ts

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1import assert from "node:assert/strict";
2import { test } from "node:test";
3
4import { OG_RENDER_VERSION } from "@g1t/contracts/og";
5
6import { DESCRIPTION, cardUrl, excerpt, fingerprint, page } from "./meta.ts";
7
8type Tag = Record<string, string>;
9
10function tags(list: unknown[]): Map<string, string> {
11 const found = new Map<string, string>();
12 for (const tag of list as Tag[]) {
13 if ("title" in tag) found.set("title", tag.title);
14 else found.set(tag.property ?? tag.name, tag.content);
15 }
16 return found;
17}
18
19test("a page gets its title, description, Open Graph and Twitter tags", () => {
20 const meta = tags(page({ location: { pathname: "/pricing" }, matches: [] }, { title: "Pricing · g1t", description: "What it costs." }));
21 assert.equal(meta.get("title"), "Pricing · g1t");
22 assert.equal(meta.get("description"), "What it costs.");
23 assert.equal(meta.get("og:title"), "Pricing");
24 assert.equal(meta.get("og:url"), "https://g1t.sh/pricing");
25 assert.equal(meta.get("og:site_name"), "g1t");
26 assert.equal(meta.get("og:image"), `https://og.g1t.sh/image?path=%2Fpricing&v=${OG_RENDER_VERSION}`);
27 assert.equal(meta.get("twitter:card"), "summary_large_image");
28 assert.equal(meta.get("twitter:image"), meta.get("og:image"));
29});
30
31test("pages under a project describe the project, and their card follows its details", () => {
32 const project = {
33 id: "routes/repo/layout",
34 loaderData: { repo: { description: "Repo words" }, project: { name: "Web", description: "The storefront" }, open: { issues: 2, pulls: 1 } },
35 };
36 const meta = tags(page({ location: { pathname: "/acme/web/commits/" }, matches: [project] }, { title: "Commits · acme/web · g1t" }));
37 assert.equal(meta.get("description"), "The storefront");
38 assert.equal(meta.get("og:url"), "https://g1t.sh/acme/web/commits");
39 assert.match(meta.get("og:image") ?? "", new RegExp(`\\?path=%2Facme%2Fweb%2Fcommits&v=${OG_RENDER_VERSION}\\.[0-9a-z]+$`));
40});
41
42test("with nothing particular to say, a page says what g1t is", () => {
43 const meta = tags(page({ location: { pathname: "/login" }, matches: [] }, { title: "Sign in · g1t" }));
44 assert.equal(meta.get("description"), DESCRIPTION);
45});
46
47test("a card's version changes with what it shows", () => {
48 assert.equal(fingerprint(["a", "open"]), fingerprint(["a", "open"]));
49 assert.notEqual(fingerprint(["a", "open"]), fingerprint(["a", "merged"]));
50 assert.equal(cardUrl("/", undefined), `https://og.g1t.sh/image?path=%2F&v=${OG_RENDER_VERSION}`);
51});
52
53test("every card address carries the render version, so a new design is a new address", () => {
54 assert.match(cardUrl("/"), new RegExp(`[?&]v=${OG_RENDER_VERSION}$`));
55 assert.match(cardUrl("/acme", ["Acme"]), new RegExp(`[?&]v=${OG_RENDER_VERSION}\\.[0-9a-z]+$`));
56});
57
58test("an excerpt is plain text from the start of the Markdown", () => {
59 assert.equal(excerpt("## Why\n\nThe [queue](https://x) is **slow**.\n\n```ts\ncode()\n```"), "Why The queue is slow.");
60 assert.equal(excerpt("x".repeat(300), 10).length, 10);
61 assert.equal(excerpt(null), "");
62});