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"] });

tests/fixture.mjs

@@ -0,0 +1,48 @@
+import { mkdirSync, mkdtempSync, writeFileSync } from "node:fs";
+import { tmpdir } from "node:os";
+import { join } from "node:path";
+import { crc32, deflateSync } from "node:zlib";
+
+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`. */
+export 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))]);
+}
+export const PNG = png(0);
+export const broken = Buffer.from(PNG);
+broken[broken.length - 20] ^= 0xff;
+
+export 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. */
+export 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;
+}

tests/stars.test.mjs

@@ -0,0 +1,33 @@
+import assert from "node:assert/strict";
+import { readFileSync } from "node:fs";
+import { join } from "node:path";
+import { test } from "node:test";
+import { refresh } from "../scripts/stars.mjs";
+import { catalog, good } from "./fixture.mjs";
+
+const manifest = (root) => JSON.parse(readFileSync(join(root, "apps", "tally", "manifest.json"), "utf8"));
+
+test("a new count writes stars and the time", async () => {
+  const root = catalog();
+  const asked = [];
+  const changed = await refresh(root, async (repo) => (asked.push(repo), 42), "2026-10-05T00:00:00.000Z");
+  assert.deepEqual(asked, [{ owner: "ada", repo: "tally" }]);
+  assert.deepEqual(changed, ["tally"]);
+  assert.equal(manifest(root).stars, 42);
+  assert.equal(manifest(root).starsUpdatedAt, "2026-10-05T00:00:00.000Z");
+});
+
+test("the same count keeps the time", async () => {
+  const root = catalog({ app: { ...good, stars: 42, starsUpdatedAt: "2026-10-01T00:00:00Z" } });
+  assert.deepEqual(await refresh(root, async () => 42, "2026-10-05T00:00:00.000Z"), []);
+  assert.equal(manifest(root).starsUpdatedAt, "2026-10-01T00:00:00Z");
+});
+
+test("an app off GitHub is not asked", async () => {
+  const root = catalog({ app: { ...good, source: null, website: "https://tally.app/" } });
+  assert.deepEqual(await refresh(root, async () => assert.fail("asked"), "2026-10-05T00:00:00.000Z"), []);
+});
+
+test("a bad count fails", async () => {
+  await assert.rejects(refresh(catalog(), async () => undefined, "2026-10-05T00:00:00.000Z"), /GitHub gave undefined stars/);
+});