From 1a00a5a9af62dd335d7914bfcb5b3432cb83ae4c Mon Sep 17 00:00:00 2001
From: "@permadeath.com" <did:plc:nlzmjyfv6loqtxyzvdcznwgf>
Date: Sat, 8 Aug 2026 19:08:40 -0400
Subject: [PATCH] test: stickers embed the mark verbatim; pngSize parsing

---
 scripts/render-icons.test.mjs | 36 +++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 scripts/render-icons.test.mjs

diff --git a/scripts/render-icons.test.mjs b/scripts/render-icons.test.mjs
new file mode 100644
index 0000000..c841b0b
--- /dev/null
+++ b/scripts/render-icons.test.mjs
@@ -0,0 +1,36 @@
+import { readFileSync } from 'node:fs'
+import { join } from 'node:path'
+import { describe, expect, it } from 'vitest'
+
+import { pngSize } from './render-icons.mjs'
+
+const brand = join(import.meta.dirname, '..', 'brand')
+
+describe('sticker variants embed the mark verbatim', () => {
+  // Both stickers claim to hold mark.svg's elements unchanged, only wrapped
+  // in a scale/translate. If someone tweaks a rect or the squiggle in one
+  // place but not the others, the logo forks.
+  const markLines = readFileSync(join(brand, 'mark.svg'), 'utf8')
+    .split('\n')
+    .map((l) => l.trim())
+    .filter((l) => l.startsWith('<rect') || l.startsWith('<path') || l.startsWith('d='))
+
+  it.each(['sticker.svg', 'sticker-round.svg'])('%s', (file) => {
+    const svg = readFileSync(join(brand, file), 'utf8')
+    expect(markLines.length).toBeGreaterThan(0)
+    for (const line of markLines) {
+      expect(svg).toContain(line)
+    }
+  })
+})
+
+describe('pngSize', () => {
+  it('reads IHDR dimensions', () => {
+    const png = readFileSync(join(brand, 'icon480-round.png'))
+    expect(pngSize(png)).toEqual({ width: 480, height: 480 })
+  })
+
+  it('rejects non-PNG bytes', () => {
+    expect(() => pngSize(new Uint8Array([1, 2, 3]))).toThrow('not a PNG')
+  })
+})
-- 
2.51.2