update

tests/utils/video-tags.test.mjs

@@ -0,0 +1,54 @@
+import test from "node:test";
+import assert from "node:assert/strict";
+
+import { collectVideoTags, formatTagDisplay } from "../../js/utils/videoTags.js";
+
+test("collectVideoTags dedupes across metadata sources and respects casing", () => {
+  const video = {
+    nip71: {
+      hashtags: ["#Tag", "Another"],
+      t: ["Third"],
+    },
+    tags: [
+      ["t", "tag"],
+      ["t", "ANOTHER"],
+      ["t", " #FOURTH "],
+      ["x", "ignored"],
+      ["t"],
+    ],
+  };
+
+  const tags = collectVideoTags(video);
+
+  assert.deepEqual(tags, ["Another", "FOURTH", "Tag", "Third"]);
+});
+
+test("collectVideoTags sorts case-insensitively and adds hashes when requested", () => {
+  const video = {
+    nip71: {
+      hashtags: ["beta", "Alpha"],
+    },
+    tags: [["t", "gamma"], ["t", "alpha"]],
+  };
+
+  const tags = collectVideoTags(video, { includeHashes: true });
+
+  assert.deepEqual(tags, ["#Alpha", "#beta", "#gamma"]);
+});
+
+test("collectVideoTags handles malformed inputs safely", () => {
+  assert.deepEqual(collectVideoTags(null), []);
+  assert.deepEqual(collectVideoTags(undefined), []);
+  assert.deepEqual(collectVideoTags(42), []);
+  assert.deepEqual(
+    collectVideoTags({ nip71: { hashtags: [null, "   "] }, tags: [["t"], ["t", null]] }),
+    [],
+  );
+});
+
+test("formatTagDisplay normalizes leading hashes", () => {
+  assert.equal(formatTagDisplay(" example"), "#example");
+  assert.equal(formatTagDisplay("##Example"), "#Example");
+  assert.equal(formatTagDisplay(""), "");
+  assert.equal(formatTagDisplay(null), "");
+});