fix(talking-head): preserve source audio (#2260)

2026-09-13 15:49:53 +00:00 · 2026-07-16 11:30:49 -04:00
parent b8a44e49c9
commit 335e7483b5
3 changed files with 51 additions and 2 deletions
@@ -0,0 +1,35 @@
+import assert from "node:assert/strict";
+import { readFileSync } from "node:fs";
+import test from "node:test";
+
+const skill = readFileSync(new URL("./SKILL.md", import.meta.url), "utf8");
+
+function findTag(tagName, id) {
+  const match = skill.match(new RegExp(`<${tagName}\\b[^>]*\\bid="${id}"[^>]*>`, "i"));
+  assert.ok(match, `expected <${tagName} id="${id}"> in the canonical composition`);
+  return match[0];
+}
+
+function readAttribute(tag, attribute) {
+  const match = tag.match(new RegExp(`\\b${attribute}="([^"]+)"`, "i"));
+  assert.ok(match, `expected ${attribute} on ${tag}`);
+  return match[1];
+}
+
+test("canonical composition preserves source audio as a root media track", () => {
+  const video = findTag("video", "bg-video");
+  const audio = findTag("audio", "source-audio");
+
+  assert.match(video, /\bmuted\b/);
+  assert.match(
+    skill,
+    /<\/div>\s*<!-- Preserve the source program audio[\s\S]*?<audio\b[^>]*\bid="source-audio"[^>]*>[\s\S]*?<\/audio>/,
+  );
+  assert.equal(readAttribute(audio, "src"), readAttribute(video, "src"));
+  assert.equal(readAttribute(audio, "data-start"), readAttribute(video, "data-start"));
+  assert.equal(readAttribute(audio, "data-duration"), readAttribute(video, "data-duration"));
+  assert.notEqual(
+    readAttribute(audio, "data-track-index"),
+    readAttribute(video, "data-track-index"),
+  );
+});