import { test, expect } from "vitest";
import { SseHub } from "../src/sse/sse-hub.js";

test("re-emette il widget pendente alla sottoscrizione", () => {
  const hub = new SseHub(); const sent: any[] = [];
  hub.subscribe("s1", (ev, data) => sent.push({ ev, data }), { id: "u1", widget: "select" });
  expect(sent[0]).toEqual({ ev: "ui_request", data: { type: "ui_request", ui_request: { id: "u1", widget: "select" } } });
});

test("publish raggiunge i subscriber e unsubscribe li stacca", () => {
  const hub = new SseHub(); const sent: any[] = [];
  const off = hub.subscribe("s1", (ev, data) => sent.push({ ev, data }));
  hub.publish("s1", "text_delta", { text: "x" });
  off(); hub.publish("s1", "text_delta", { text: "y" });
  expect(sent).toEqual([{ ev: "text_delta", data: { text: "x" } }]);
});