diff --git a/src/tools/send.test.ts b/src/tools/send.test.ts
index 5cb64e4..e4d91dd 100644
--- a/src/tools/send.test.ts
+++ b/src/tools/send.test.ts
@@ -99,4 +99,13 @@ describe("send tool", () => {
     await expect(handleSend({ path: "big.bin" }, opts)).rejects.toThrow(/document too large: 51\.0 MB > 50 MB/);
     expect(bot.sendDocument).not.toHaveBeenCalled();
   });
+
+  it("exposes a Pi tool that returns text content", async () => {
+    await writeFile(path.join(dir, "hello.png"), Buffer.from("fake-png"));
+    const tool = createSendTool(opts);
+    expect(tool.name).toBe("send");
+    const result = await tool.execute("call-1", { path: "hello.png" }, undefined, undefined, undefined as never);
+    expect(result.content).toEqual([{ type: "text", text: "Sent hello.png as photo." }]);
+    expect(bot.sendPhoto).toHaveBeenCalledTimes(1);
+  });
 });