feat(backend): SessionBridge widget-descriptor <-> RPC + pending widget

Decodes native extension_ui_request (method:input, title=JSON) into ui_request ClientEvent; encodes respond() as extension_ui_response with value payload; tracks pending widget; handles notify→info and steer. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-06-27 20:56:26 +02:00
parent df5d2c36ac
commit 2d680c958c
2 changed files with 85 additions and 0 deletions
@@ -0,0 +1,42 @@
+import { test, expect, vi } from "vitest";
+import { SessionBridge } from "../src/bridge/session-bridge.js";
+
+function fakeRpc() {
+  const sent: any[] = [];
+  let evcb: any;
+  return {
+    rpc: {
+      send: (c: any) => sent.push(c),
+      on: (_: any, cb: any) => { evcb = cb; },
+      request: vi.fn(),
+    } as any,
+    sent,
+    fire: (m: any) => evcb(m),
+  };
+}
+
+test("extension_ui_request nativo (method:input, title=json) diventa ui_request ed è il pendente", () => {
+  const { rpc, fire } = fakeRpc();
+  const b = new SessionBridge(rpc);
+  const seen: any[] = [];
+  b.onClientEvent((e) => seen.push(e));
+  const descriptor = { id: "u1", widget: "select" };
+  fire({ type: "extension_ui_request", id: "u1", method: "input", title: JSON.stringify(descriptor) });
+  expect(seen[0]).toEqual({ type: "ui_request", ui_request: descriptor });
+  expect(b.pendingWidget()).toEqual(descriptor);
+});
+
+test("respond invia extension_ui_response con payload in value e azzera il pendente", () => {
+  const { rpc, sent, fire } = fakeRpc();
+  const b = new SessionBridge(rpc);
+  fire({ type: "extension_ui_request", id: "u1", method: "input", title: JSON.stringify({ id: "u1", widget: "select" }) });
+  b.respond({ id: "u1", choices: ["a"] });
+  expect(sent.at(-1)).toEqual({ type: "extension_ui_response", id: "u1", value: JSON.stringify({ id: "u1", choices: ["a"] }) });
+  expect(b.pendingWidget()).toBeNull();
+});
+
+test("steer invia un comando steer", () => {
+  const { rpc, sent } = fakeRpc();
+  new SessionBridge(rpc).steer("considera solo il 2024");
+  expect(sent.at(-1)).toEqual({ type: "steer", message: "considera solo il 2024" });
+});