CI: validate every push and pull request; stars refreshed on main and weekly

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

tests/catalog.test.mjs

@@ -3,52 +3,8 @@ import { mkdirSync, mkdtempSync, writeFileSync } from "node:fs";
 import { tmpdir } from "node:os";
 import { join } from "node:path";
 import { test } from "node:test";
-import { crc32, deflateSync } from "node:zlib";
 import { read, weighted } from "../scripts/catalog.mjs";
-
-function chunk(type, data) {
-  const head = Buffer.alloc(8);
-  head.writeUInt32BE(data.length);
-  head.write(type, 4, "latin1");
-  const sum = Buffer.alloc(4);
-  sum.writeUInt32BE(crc32(Buffer.concat([head.subarray(4), data])));
-  return Buffer.concat([head, data, sum]);
-}
-
-/** A gray PNG `side` pixels square whose data is one pixel, its scanline led by `filter`. */
-function png(filter, side = 1) {
-  const header = Buffer.from([0, 0, 0, side, 0, 0, 0, side, 8, 0, 0, 0, 0]);
-  const image = deflateSync(Buffer.from([filter, 1]));
-  return Buffer.concat([Buffer.from([0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a]), chunk("IHDR", header), chunk("IDAT", image), chunk("IEND", Buffer.alloc(0))]);
-}
-const PNG = png(0);
-const broken = Buffer.from(PNG);
-broken[broken.length - 20] ^= 0xff;
-
-const good = {
-  id: "tally",
-  name: "Tally",
-  author: "Ada",
-  description: "Counts things.",
-  category: "work",
-  platforms: ["macOS", "Linux"],
-  website: null,
-  source: "https://github.com/ada/tally",
-  publishedAt: "2026-10-04T00:00:00Z",
-  previews: ["preview0.png"],
-};
-
-/** A catalog in a temp folder: one app, its files, and featured.json. */
-function catalog({ app = good, folder = "tally", files = {}, featured = [] } = {}) {
-  const root = mkdtempSync(join(tmpdir(), "showcase-"));
-  const dir = join(root, "apps", folder);
-  mkdirSync(dir, { recursive: true });
-  writeFileSync(join(dir, "manifest.json"), JSON.stringify(app));
-  writeFileSync(join(dir, "preview0.png"), PNG);
-  for (const [name, body] of Object.entries(files)) writeFileSync(join(dir, name), body);
-  writeFileSync(join(root, "featured.json"), JSON.stringify(featured));
-  return root;
-}
+import { broken, catalog, good, PNG, png } from "./fixture.mjs";
 
 test("a good app reads back with its README", () => {
   const root = catalog({ files: { "README.md": "# Tally\n\nSee [the source](https://github.com/ada/tally).\n\n![Main](preview0.png)\n" }, featured: ["tally"] });