feat(backend): SSE hub with pending-widget re-emit on (re)subscribe

2026-06-27 21:10:48 +02:00
parent f4c6126270
commit 39eb35116e
2 changed files with 29 additions and 0 deletions
@@ -0,0 +1,16 @@
+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: { 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" } }]);
+});