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netfelix-audio-fix/server/api/__tests__/scan.test.ts
Felix Förtsch 1de5b8a89e
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address audit findings: subtitle rescan decisions, scan limit, parseId, setup gate
worked through AUDIT.md. triage:
- finding 2 (subtitle rescan wipes decisions): confirmed. /:id/rescan now
  snapshots custom_titles and calls reanalyze() after the stream delete/
  insert, mirroring the review rescan flow. exported reanalyze + titleKey
  from review.ts so both routes share the logic.
- finding 3 (scan limit accepts NaN/negatives): confirmed. extracted
  parseScanLimit into a pure helper, added unit tests covering NaN,
  negatives, floats, infinity, numeric strings. invalid input 400s and
  releases the scan_running lock.
- finding 4 (parseId lenient): confirmed. tightened the regex to /^\d+$/
  so "42abc", "abc42", "+42", "42.0" all return null. rewrote the test
  that codified the old lossy behaviour.
- finding 5 (setup_complete set before jellyfin test passes): confirmed.
  the /jellyfin endpoint still persists url+key unconditionally, but now
  only flips setup_complete=1 on a successful connection test.
- finding 6 (swallowed errors): partial. the mqtt restart and version-
  fetch swallows are intentional best-effort with downstream surfaces
  (getMqttStatus, UI fallback). only the scan.ts db-update swallow was
  a real visibility gap — logs via logError now.
- finding 1 (auth): left as-is. redacting secrets on GET without auth
  on POST is security theater; real fix is an auth layer, which is a
  design decision not a bugfix. audit removed from the tree.
- lint fail on ffmpeg.test.ts: formatted.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-14 17:41:36 +02:00

32 lines
1.5 KiB
TypeScript

import { describe, expect, test } from "bun:test";
import { parseScanLimit } from "../scan";
describe("parseScanLimit", () => {
test("accepts positive integers and nullish/empty as no-limit", () => {
expect(parseScanLimit(5)).toEqual({ ok: true, value: 5 });
expect(parseScanLimit(1)).toEqual({ ok: true, value: 1 });
expect(parseScanLimit(10_000)).toEqual({ ok: true, value: 10_000 });
expect(parseScanLimit(null)).toEqual({ ok: true, value: null });
expect(parseScanLimit(undefined)).toEqual({ ok: true, value: null });
expect(parseScanLimit("")).toEqual({ ok: true, value: null });
});
test("coerces numeric strings (env var path) but rejects garbage", () => {
expect(parseScanLimit("7")).toEqual({ ok: true, value: 7 });
expect(parseScanLimit("abc")).toEqual({ ok: false });
expect(parseScanLimit("12abc")).toEqual({ ok: false });
});
test("rejects the footguns that would silently disable the cap", () => {
// NaN: processed >= NaN never trips → cap never fires.
expect(parseScanLimit(Number.NaN)).toEqual({ ok: false });
// Negative: off-by-one bugs in Math.min(limit, total).
expect(parseScanLimit(-1)).toEqual({ ok: false });
expect(parseScanLimit(0)).toEqual({ ok: false });
// Float: Math.min is fine but percentage math breaks on non-integers.
expect(parseScanLimit(1.5)).toEqual({ ok: false });
// Infinity is technically a number but has no business as a cap.
expect(parseScanLimit(Number.POSITIVE_INFINITY)).toEqual({ ok: false });
});
});