Initial Commit

tests/reference-release.test.ts

@@ -0,0 +1,27 @@
+import { expect, test } from 'bun:test';
+import { checkReferenceReleases, type ReleaseObservation, type ReleaseSource } from '../src/lib/server/reference-release';
+test('source metadata check uses only HEAD and detects independent changes with opaque ETags', async () => {
+  const previous: Partial<Record<ReleaseSource, ReleaseObservation>> = {};
+  let count = 0;
+  const fetcher = (async (_url: unknown, init?: RequestInit) => {
+    expect(init?.method).toBe('HEAD'); expect(init?.redirect).toBe('error'); count++;
+    return new Response(null, { headers: { etag: '"opaque-not-a-checksum"', 'content-length': '1000', 'last-modified': 'Fri, 18 Sep 2026 12:00:00 GMT' } });
+  }) as typeof fetch;
+  const first = await checkReferenceReleases({ fetch: fetcher });
+  for (const result of first) {
+    expect(result.status).toBe('checked');
+    if (result.status === 'checked') {
+      expect(result.observation.integrity).toBe('not_downloaded'); expect(result.observation.changed).toBe(true);
+      previous[result.source] = result.observation;
+    }
+  }
+  const second = await checkReferenceReleases({ fetch: fetcher, previous });
+  expect(count).toBe(4);
+  expect(second.every(r => r.status === 'checked' && !r.observation.changed)).toBe(true);
+});
+test('one metadata failure does not hide the other source, and 304 requires known metadata', async () => {
+  const results = await checkReferenceReleases({ fetch: (async (url: unknown) => String(url).includes('hoboleaks') ? new Response(null, { status: 503 }) : new Response(null, { headers: { etag: 'ref-v2' } })) as typeof fetch });
+  expect(results.map(r => r.status)).toEqual(['checked', 'failed']);
+  const unknown304 = await checkReferenceReleases({ fetch: (async (_url: unknown) => new Response(null, { status: 304 })) as typeof fetch });
+  expect(unknown304.every(r => r.status === 'failed')).toBe(true);
+});