| 1 | // Run: node --import ./scripts/svg-stub-register.mjs --import tsx src/__tests__/remote-switch-from-local.test.tsx |
| 2 | // |
| 3 | // Local → remote activation must not run HistorySliceForTab and must not |
| 4 | // revert to the previous local tab when that local hydrate fails. |
| 5 | |
| 6 | import { JSDOM } from "jsdom"; |
| 7 | import React, { act } from "react"; |
| 8 | import { createRoot } from "react-dom/client"; |
| 9 | import type { AppBindings } from "../lib/bridge"; |
| 10 | import { useController } from "../lib/useController"; |
| 11 | import type { HistorySlice, HistorySliceRequest, TabMeta } from "../lib/types"; |
| 12 | import { installDesktopHostStub } from "./desktopHostStub"; |
| 13 | |
| 14 | let passed = 0; |
| 15 | let failed = 0; |
| 16 | function ok(value: boolean, label: string) { |
| 17 | if (value) { |
| 18 | process.stdout.write(` PASS ${label}\n`); |
| 19 | passed += 1; |
| 20 | } else { |
| 21 | process.stdout.write(` FAIL ${label}\n`); |
| 22 | failed += 1; |
| 23 | } |
| 24 | } |
| 25 | function eq(actual: unknown, expected: unknown, label: string) { |
| 26 | if (actual === expected) ok(true, label); |
| 27 | else ok(false, `${label}: expected ${JSON.stringify(expected)}, got ${JSON.stringify(actual)}`); |
| 28 | } |
| 29 | function flushPromises(): Promise<void> { |
| 30 | return new Promise((resolve) => setTimeout(resolve, 0)); |
| 31 | } |
| 32 | async function waitFor(label: string, predicate: () => boolean) { |
| 33 | for (let attempt = 0; attempt < 40; attempt += 1) { |
| 34 | await act(async () => { await flushPromises(); }); |
| 35 | if (predicate()) return; |
| 36 | } |
| 37 | throw new Error(`timed out waiting for ${label}`); |
| 38 | } |
| 39 | |
| 40 | const dom = new JSDOM("<!doctype html><html><body><div id=\"root\"></div></body></html>", { |
| 41 | pretendToBeVisual: true, |
| 42 | url: "http://localhost/", |
| 43 | }); |
| 44 | (globalThis as typeof globalThis & { IS_REACT_ACT_ENVIRONMENT: boolean }).IS_REACT_ACT_ENVIRONMENT = true; |
| 45 | globalThis.window = dom.window as unknown as Window & typeof globalThis; |
| 46 | globalThis.document = dom.window.document; |
| 47 | Object.defineProperty(globalThis, "navigator", { configurable: true, value: dom.window.navigator }); |
| 48 | globalThis.HTMLElement = dom.window.HTMLElement; |
| 49 | globalThis.requestAnimationFrame = dom.window.requestAnimationFrame?.bind(dom.window) ?? ((cb: FrameRequestCallback) => setTimeout(() => cb(Date.now()), 16) as unknown as number); |
| 50 | globalThis.cancelAnimationFrame = dom.window.cancelAnimationFrame?.bind(dom.window) ?? ((handle: number) => clearTimeout(handle)); |
| 51 | |
| 52 | const localTab: TabMeta = { |
| 53 | id: "tab-local", |
| 54 | scope: "project", |
| 55 | workspaceRoot: "/repo/local", |
| 56 | workspaceName: "local", |
| 57 | workspacePath: "/repo/local", |
| 58 | topicId: "topic-local", |
| 59 | topicTitle: "local", |
| 60 | sessionPath: "/repo/local/sessions/local.jsonl", |
| 61 | label: "local-model", |
| 62 | ready: true, |
| 63 | running: false, |
| 64 | mode: "normal", |
| 65 | toolApprovalMode: "ask", |
| 66 | tokenMode: "full", |
| 67 | active: true, |
| 68 | cwd: "/repo/local", |
| 69 | }; |
| 70 | const remoteTab: TabMeta = { |
| 71 | id: "tab-remote", |
| 72 | scope: "project", |
| 73 | workspaceRoot: "~/app", |
| 74 | workspaceName: "app", |
| 75 | topicId: "", |
| 76 | topicTitle: "remote session", |
| 77 | label: "gpu-box", |
| 78 | ready: true, |
| 79 | running: false, |
| 80 | mode: "normal", |
| 81 | toolApprovalMode: "ask", |
| 82 | tokenMode: "full", |
| 83 | active: false, |
| 84 | cwd: "~/app", |
| 85 | remote: { hostId: "gpu-box", workspace: "~/app" }, |
| 86 | remoteState: "ready", |
| 87 | }; |
| 88 | |
| 89 | let backendActiveId = "tab-local"; |
| 90 | let historySliceCalls: string[] = []; |
| 91 | let setActiveCalls: string[] = []; |
| 92 | |
| 93 | installDesktopHostStub(({ |
| 94 | main: { |
| 95 | App: { |
| 96 | RegisterNavigationIntent: async () => {}, |
| 97 | ListTabs: async () => { |
| 98 | const tabs = [localTab, remoteTab].map((tab) => ({ ...tab, active: tab.id === backendActiveId })); |
| 99 | return tabs; |
| 100 | }, |
| 101 | SetActiveTab: async (tabID: string) => { |
| 102 | setActiveCalls.push(tabID); |
| 103 | backendActiveId = tabID; |
| 104 | }, |
| 105 | HistorySliceForTab: async (tabID: string, _req: HistorySliceRequest): Promise<HistorySlice> => { |
| 106 | historySliceCalls.push(tabID); |
| 107 | if (tabID === "tab-remote") { |
| 108 | return { |
| 109 | messages: [], |
| 110 | startTurn: 0, |
| 111 | endTurn: 0, |
| 112 | hasOlder: false, |
| 113 | hasNewer: false, |
| 114 | error: "session path unavailable before controller ready", |
| 115 | }; |
| 116 | } |
| 117 | return { |
| 118 | messages: [{ role: "user", content: "local hello" }], |
| 119 | startTurn: 1, |
| 120 | endTurn: 1, |
| 121 | hasOlder: false, |
| 122 | hasNewer: false, |
| 123 | }; |
| 124 | }, |
| 125 | MetaForTab: async () => ({ label: "local-model", ready: true, eventChannel: "agent:event", cwd: "/repo/local" }), |
| 126 | ContextUsageForTab: async () => ({ used: 0, window: 0 }), |
| 127 | EffortForTab: async () => ({ level: "high", supported: ["high"] }), |
| 128 | BalanceForTab: async () => ({ available: false, display: "" }), |
| 129 | JobsForTab: async () => [], |
| 130 | CheckpointsForTab: async () => [], |
| 131 | ForkTargetsForTab: async () => ({ targets: [], verifiable: false }), |
| 132 | ReplayPendingPrompts: async () => {}, |
| 133 | ReportUIReady: async () => {}, |
| 134 | } as Partial<AppBindings> as AppBindings, |
| 135 | }, |
| 136 | }).main.App); |
| 137 | |
| 138 | type ControllerApi = { |
| 139 | activeTabId?: string; |
| 140 | switchTab: (tabId: string, optimisticTab?: TabMeta) => Promise<unknown>; |
| 141 | }; |
| 142 | |
| 143 | let controller: ControllerApi | undefined; |
| 144 | function Probe() { |
| 145 | controller = useController() as unknown as ControllerApi; |
| 146 | return null; |
| 147 | } |
| 148 | const root = createRoot(document.getElementById("root")!); |
| 149 | await act(async () => { root.render(<Probe />); }); |
| 150 | await waitFor("local active", () => controller?.activeTabId === "tab-local"); |
| 151 | |
| 152 | historySliceCalls = []; |
| 153 | setActiveCalls = []; |
| 154 | await act(async () => { |
| 155 | await controller?.switchTab(remoteTab.id, remoteTab); |
| 156 | await flushPromises(); |
| 157 | }); |
| 158 | await waitFor("remote stays active", () => controller?.activeTabId === "tab-remote"); |
| 159 | |
| 160 | eq(controller?.activeTabId, "tab-remote", "switching to a remote tab keeps the remote tab active"); |
| 161 | ok(!historySliceCalls.includes("tab-remote"), "remote switch does not request local HistorySliceForTab"); |
| 162 | ok(!setActiveCalls.includes("tab-local"), "failed local hydrate must not revert SetActiveTab back to the local tab"); |
| 163 | eq(setActiveCalls[0], "tab-remote", "SetActiveTab is called for the remote tab"); |
| 164 | |
| 165 | await act(async () => { root.unmount(); }); |
| 166 | dom.window.close(); |
| 167 | process.stdout.write(`\n${passed} passed, ${failed} failed\n`); |
| 168 | if (failed > 0) process.exit(1); |
| 169 |