fix(telegram): improve gif handling

src/telegram/bot.test.ts

@@ -2,6 +2,14 @@ import { beforeEach, describe, expect, it, vi } from "vitest";
 import * as replyModule from "../auto-reply/reply.js";
 import { createTelegramBot } from "./bot.js";
 
+const { loadWebMedia } = vi.hoisted(() => ({
+  loadWebMedia: vi.fn(),
+}));
+
+vi.mock("../web/media.js", () => ({
+  loadWebMedia,
+}));
+
 const { loadConfig } = vi.hoisted(() => ({
   loadConfig: vi.fn(() => ({})),
 }));
@@ -18,15 +26,21 @@ const onSpy = vi.fn();
 const stopSpy = vi.fn();
 const sendChatActionSpy = vi.fn();
 const sendMessageSpy = vi.fn(async () => ({ message_id: 77 }));
+const sendAnimationSpy = vi.fn(async () => ({ message_id: 78 }));
+const sendPhotoSpy = vi.fn(async () => ({ message_id: 79 }));
 type ApiStub = {
   config: { use: (arg: unknown) => void };
   sendChatAction: typeof sendChatActionSpy;
   sendMessage: typeof sendMessageSpy;
+  sendAnimation: typeof sendAnimationSpy;
+  sendPhoto: typeof sendPhotoSpy;
 };
 const apiStub: ApiStub = {
   config: { use: useSpy },
   sendChatAction: sendChatActionSpy,
   sendMessage: sendMessageSpy,
+  sendAnimation: sendAnimationSpy,
+  sendPhoto: sendPhotoSpy,
 };
 
 vi.mock("grammy", () => ({
@@ -57,6 +71,9 @@ vi.mock("../auto-reply/reply.js", () => {
 describe("createTelegramBot", () => {
   beforeEach(() => {
     loadConfig.mockReturnValue({});
+    loadWebMedia.mockReset();
+    sendAnimationSpy.mockReset();
+    sendPhotoSpy.mockReset();
   });
 
   it("installs grammY throttler", () => {
@@ -511,4 +528,48 @@ describe("createTelegramBot", () => {
 
     expect(replySpy).toHaveBeenCalledTimes(1);
   });
+
+  it("sends GIF replies as animations", async () => {
+    onSpy.mockReset();
+    const replySpy = replyModule.__replySpy as unknown as ReturnType<
+      typeof vi.fn
+    >;
+    replySpy.mockReset();
+
+    replySpy.mockResolvedValueOnce({
+      text: "caption",
+      mediaUrl: "https://example.com/fun",
+    });
+
+    loadWebMedia.mockResolvedValueOnce({
+      buffer: Buffer.from("GIF89a"),
+      contentType: "image/gif",
+      fileName: "fun.gif",
+    });
+
+    createTelegramBot({ token: "tok" });
+    const handler = onSpy.mock.calls[0][1] as (
+      ctx: Record<string, unknown>,
+    ) => Promise<void>;
+
+    await handler({
+      message: {
+        chat: { id: 1234, type: "private" },
+        text: "hello world",
+        date: 1736380800,
+        message_id: 5,
+        from: { first_name: "Ada" },
+      },
+      me: { username: "clawdbot_bot" },
+      getFile: async () => ({ download: async () => new Uint8Array() }),
+    });
+
+    expect(sendAnimationSpy).toHaveBeenCalledTimes(1);
+    expect(sendAnimationSpy).toHaveBeenCalledWith(
+      "1234",
+      expect.anything(),
+      { caption: "caption", reply_to_message_id: undefined },
+    );
+    expect(sendPhotoSpy).not.toHaveBeenCalled();
+  });
 });