diff --git a/tests/utils/videoPointer.test.mjs b/tests/utils/videoPointer.test.mjs
new file mode 100644
index 00000000..1ff75ba5
--- /dev/null
+++ b/tests/utils/videoPointer.test.mjs
@@ -0,0 +1,152 @@
+import test from "node:test";
+import assert from "node:assert/strict";
+import { resolveVideoPointer, DEFAULT_VIDEO_KIND } from "../../js/utils/videoPointer.js";
+
+test("resolveVideoPointer returns address pointer with dTag", () => {
+  const result = resolveVideoPointer({
+    kind: 30000,
+    pubkey: "abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234",
+    dTag: "test-video",
+  });
+
+  assert.ok(result);
+  assert.equal(result.key, "a:30000:abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234:test-video");
+  assert.deepEqual(result.pointer, [
+    "a",
+    "30000:abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234:test-video",
+  ]);
+  assert.equal(result.eventId, "");
+});
+
+test("resolveVideoPointer returns address pointer with videoRootId", () => {
+  const result = resolveVideoPointer({
+    kind: 30000,
+    pubkey: "abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234",
+    videoRootId: "root-id",
+  });
+
+  assert.ok(result);
+  assert.equal(result.key, "a:30000:abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234:root-id");
+  assert.deepEqual(result.pointer, [
+    "a",
+    "30000:abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234:root-id",
+  ]);
+  assert.equal(result.eventId, "");
+});
+
+test("resolveVideoPointer returns event pointer with fallbackEventId", () => {
+  const eventId = "deadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef";
+  const result = resolveVideoPointer({
+    fallbackEventId: eventId,
+  });
+
+  assert.ok(result);
+  assert.equal(result.key, `e:${eventId}`);
+  assert.deepEqual(result.pointer, ["e", eventId]);
+  assert.equal(result.eventId, eventId);
+});
+
+test("resolveVideoPointer prioritizes dTag over videoRootId", () => {
+  const result = resolveVideoPointer({
+    kind: 30000,
+    pubkey: "abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234",
+    dTag: "priority-dtag",
+    videoRootId: "ignored-root",
+  });
+
+  assert.ok(result);
+  assert.equal(result.key, "a:30000:abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234:priority-dtag");
+});
+
+test("resolveVideoPointer prioritizes videoRootId over fallbackEventId", () => {
+  const result = resolveVideoPointer({
+    kind: 30000,
+    pubkey: "abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234",
+    videoRootId: "priority-root",
+    fallbackEventId: "ignored-fallback",
+  });
+
+  assert.ok(result);
+  assert.equal(result.key, "a:30000:abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234:priority-root");
+});
+
+test("resolveVideoPointer prioritizes dTag over fallbackEventId", () => {
+  const result = resolveVideoPointer({
+    kind: 30000,
+    pubkey: "abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234",
+    dTag: "priority-dtag",
+    fallbackEventId: "ignored-fallback",
+  });
+
+  assert.ok(result);
+  assert.equal(result.key, "a:30000:abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234:priority-dtag");
+});
+
+test("resolveVideoPointer includes relay in pointer", () => {
+  const result = resolveVideoPointer({
+    kind: 30000,
+    pubkey: "abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234",
+    dTag: "test-video",
+    relay: "wss://relay.example.com",
+  });
+
+  assert.ok(result);
+  // Note: pointerArrayToKey includes relay if present
+  assert.equal(result.key, "a:30000:abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234:test-video:wss://relay.example.com");
+  assert.deepEqual(result.pointer, [
+    "a",
+    "30000:abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234:test-video",
+    "wss://relay.example.com",
+  ]);
+});
+
+test("resolveVideoPointer normalizes inputs", () => {
+  const result = resolveVideoPointer({
+    kind: 30000,
+    pubkey: "  ABCD1234ABCD1234ABCD1234ABCD1234ABCD1234ABCD1234ABCD1234ABCD1234  ",
+    dTag: "  test-video  ",
+    relay: "  wss://relay.example.com  ",
+  });
+
+  assert.ok(result);
+  assert.equal(result.key, "a:30000:abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234:test-video:wss://relay.example.com");
+});
+
+test("resolveVideoPointer uses default kind when kind is missing or invalid", () => {
+  const pubkey = "abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234";
+
+  // Missing kind
+  let result = resolveVideoPointer({
+    pubkey,
+    dTag: "test",
+  });
+  assert.equal(result.key, `a:${DEFAULT_VIDEO_KIND}:${pubkey}:test`);
+
+  // Invalid kind (string)
+  result = resolveVideoPointer({
+    kind: "30000",
+    pubkey,
+    dTag: "test",
+  });
+  assert.equal(result.key, `a:${DEFAULT_VIDEO_KIND}:${pubkey}:test`);
+
+  // Invalid kind (NaN)
+  result = resolveVideoPointer({
+    kind: NaN,
+    pubkey,
+    dTag: "test",
+  });
+  assert.equal(result.key, `a:${DEFAULT_VIDEO_KIND}:${pubkey}:test`);
+});
+
+test("resolveVideoPointer returns null for invalid inputs", () => {
+  assert.equal(resolveVideoPointer(), null);
+  assert.equal(resolveVideoPointer({}), null);
+
+  // Missing pubkey for address pointer
+  assert.equal(resolveVideoPointer({ dTag: "test" }), null);
+  assert.equal(resolveVideoPointer({ videoRootId: "test" }), null);
+
+  // Missing identifier for address pointer
+  assert.equal(resolveVideoPointer({ pubkey: "abcd" }), null);
+});