| 1 | import assert from "node:assert/strict"; |
| 2 | import React, { act } from "react"; |
| 3 | import { createRoot } from "react-dom/client"; |
| 4 | import { JSDOM } from "jsdom"; |
| 5 | import { useTopicSummary } from "../app-runtime/useTopicSummary"; |
| 6 | import type { TabMeta } from "../lib/types"; |
| 7 | import { installDesktopHostStub } from "./desktopHostStub"; |
| 8 | |
| 9 | const dom = new JSDOM("<div id='root'></div>"); |
| 10 | Object.assign(globalThis, { window: dom.window, document: dom.window.document, IS_REACT_ACT_ENVIRONMENT: true }); |
| 11 | const root = createRoot(document.getElementById("root")!); |
| 12 | |
| 13 | function deferred<T>() { |
| 14 | let resolve!: (value: T) => void; |
| 15 | let reject!: (error: unknown) => void; |
| 16 | const promise = new Promise<T>((yes, no) => { resolve = yes; reject = no; }); |
| 17 | return { promise, resolve, reject }; |
| 18 | } |
| 19 | |
| 20 | function tab(topicId: string, scope = "project", workspaceRoot = "/repo"): TabMeta { |
| 21 | return { id: `tab-${topicId}`, scope, workspaceRoot, topicId } as TabMeta; |
| 22 | } |
| 23 | |
| 24 | const requests: { scope: string; workspaceRoot: string; topicId: string }[] = []; |
| 25 | const gates = new Map<string, ReturnType<typeof deferred<{ turns?: number }>>>(); |
| 26 | let failWith: Error | null = null; |
| 27 | installDesktopHostStub(({ |
| 28 | main: { |
| 29 | App: { |
| 30 | GetTopicSummary: (request: { scope: string; workspaceRoot: string; topicId: string }) => { |
| 31 | requests.push(request); |
| 32 | if (failWith) return Promise.reject(failWith); |
| 33 | const gate = gates.get(request.topicId); |
| 34 | return gate ? gate.promise : Promise.resolve({ turns: request.topicId.length }); |
| 35 | }, |
| 36 | }, |
| 37 | }, |
| 38 | }).main.App); |
| 39 | |
| 40 | let states!: ReturnType<typeof useTopicSummary>; |
| 41 | function Probe({ target, revision = 0 }: { target?: TabMeta; revision?: number }) { |
| 42 | states = useTopicSummary({ activeTab: target, revision }); |
| 43 | return null; |
| 44 | } |
| 45 | const paint = (props?: { target?: TabMeta; revision?: number }) => act(async () => root.render(<Probe {...props} />)); |
| 46 | |
| 47 | try { |
| 48 | await paint(); |
| 49 | assert.equal(states.activeTopicTurns, undefined, "no active tab yields no turns"); |
| 50 | assert.equal(requests.length, 0, "no active tab issues no summary request"); |
| 51 | |
| 52 | await paint({ target: tab("alpha") }); |
| 53 | assert.equal(states.activeTopicTurns, 5, "a topic target resolves its turn count"); |
| 54 | assert.deepEqual(requests, [{ scope: "project", workspaceRoot: "/repo", topicId: "alpha" }], |
| 55 | "project topics fetch with their workspace root"); |
| 56 | |
| 57 | await paint({ target: tab("alpha"), revision: 1 }); |
| 58 | assert.equal(requests.length, 2, "a project revision refetches the same topic identity"); |
| 59 | assert.equal(states.activeTopicTurns, 5, "refetch keeps the resolved turns"); |
| 60 | |
| 61 | gates.set("beta", deferred()); |
| 62 | gates.set("gamma", deferred()); |
| 63 | await paint({ target: tab("beta"), revision: 2 }); |
| 64 | await paint({ target: tab("gamma"), revision: 3 }); |
| 65 | await act(async () => { gates.get("beta")!.resolve({ turns: 99 }); }); |
| 66 | assert.equal(states.activeTopicTurns, 5, "a superseded topic identity cannot overwrite the committed turns"); |
| 67 | await act(async () => { gates.get("gamma")!.resolve({ turns: 7 }); }); |
| 68 | assert.equal(states.activeTopicTurns, 7, "the newest topic identity owns the committed turns"); |
| 69 | assert.deepEqual(requests.map((r) => r.topicId), ["alpha", "alpha", "beta", "gamma"], "every identity change fetches exactly once"); |
| 70 | |
| 71 | failWith = new Error("summary offline"); |
| 72 | await paint({ target: tab("delta"), revision: 4 }); |
| 73 | assert.equal(states.activeTopicTurns, undefined, "a failed fetch clears the turns"); |
| 74 | failWith = null; |
| 75 | |
| 76 | await paint({ target: tab("global-1", "global") }); |
| 77 | assert.deepEqual(requests.at(-1), { scope: "global", workspaceRoot: "", topicId: "global-1" }, |
| 78 | "global topics fetch without a workspace root"); |
| 79 | |
| 80 | await act(async () => root.unmount()); |
| 81 | console.log("topic summary commands: identity memo, single-flight fetch, revision refetch and failure clearing passed"); |
| 82 | } finally { dom.window.close(); } |
| 83 |