| 1 | import assert from "node:assert/strict"; |
| 2 | import React, { act } from "react"; |
| 3 | import { renderFilesWorkspace, waitFor } from "./workspace-panel-test-harness"; |
| 4 | import { RemotePanel } from "../components/RemotePanel"; |
| 5 | import { LocaleProvider } from "../lib/i18n"; |
| 6 | import { useRemoteStore } from "../store/remote"; |
| 7 | |
| 8 | function deferred<T>() { |
| 9 | let resolve!: (value: T) => void; |
| 10 | let reject!: (error: Error) => void; |
| 11 | const promise = new Promise<T>((yes, no) => { resolve = yes; reject = no; }); |
| 12 | return { promise, resolve, reject }; |
| 13 | } |
| 14 | type Preview = { path: string; body: string; size: number; mtimeUnix: number; binary: boolean; truncated: boolean }; |
| 15 | const pending = new Map<string, ReturnType<typeof deferred<Preview>>>(); |
| 16 | const writes: Array<{ path: string; body: string }> = []; |
| 17 | const pendingWrites: Array<ReturnType<typeof deferred<{ conflict: boolean; newMtimeUnix: number }>>> = []; |
| 18 | const { dom, root } = await renderFilesWorkspace({ |
| 19 | ListRemoteDir: async () => ["a.txt", "b.txt"].map(name => ({ name, path: name, isDir: false, size: 5 })), |
| 20 | ReadRemoteFile: (_host, path) => { |
| 21 | const read = deferred<Preview>(); pending.set(path, read); return read.promise; |
| 22 | }, |
| 23 | WriteRemoteFile: (_host, path, body) => { |
| 24 | writes.push({ path, body }); |
| 25 | const write = deferred<{ conflict: boolean; newMtimeUnix: number }>(); |
| 26 | pendingWrites.push(write); |
| 27 | return write.promise; |
| 28 | }, |
| 29 | }); |
| 30 | await act(async () => { |
| 31 | useRemoteStore.setState({ explorerHostId: "remote", explorerTab: "files", statuses: { remote: { state: "connected" } } }); |
| 32 | root.render(<LocaleProvider><RemotePanel onClose={() => {}} tabId="one" dockTabId="dock" /></LocaleProvider>); |
| 33 | }); |
| 34 | await waitFor("remote tree", () => document.querySelectorAll(".remote-tree__row").length === 2); |
| 35 | const click = async (name: string) => { |
| 36 | const button = [...document.querySelectorAll<HTMLButtonElement>(".remote-tree__row")].find(node => node.textContent === name)!; |
| 37 | await act(async () => button.click()); |
| 38 | await waitFor(`read ${name}`, () => pending.has(name)); |
| 39 | }; |
| 40 | await click("a.txt"); |
| 41 | await click("b.txt"); |
| 42 | const result = (path: string): Preview => ({ path, body: `CONTENT ${path}`, size: 10, mtimeUnix: 1, binary: false, truncated: false }); |
| 43 | await act(async () => pending.get("b.txt")!.resolve(result("b.txt"))); |
| 44 | await waitFor("new body", () => document.body.textContent?.includes("CONTENT b.txt") === true); |
| 45 | await act(async () => pending.get("a.txt")!.resolve(result("a.txt"))); |
| 46 | assert(!document.body.textContent?.includes("CONTENT a.txt")); |
| 47 | assert(document.body.textContent?.includes("CONTENT b.txt")); |
| 48 | |
| 49 | // A write issued for one file must not touch the file the panel moved on to. |
| 50 | await click("a.txt"); |
| 51 | await act(async () => pending.get("a.txt")!.resolve(result("a.txt"))); |
| 52 | await waitFor("a reloaded", () => document.body.textContent?.includes("CONTENT a.txt") === true); |
| 53 | const edit = [...document.querySelectorAll<HTMLButtonElement>(".remote-file-view__toolbar button")] |
| 54 | .find(button => /edit/i.test(button.textContent ?? ""))!; |
| 55 | await act(async () => { edit.click(); }); |
| 56 | // jsdom does not deliver a text input event to React's handler in this harness; |
| 57 | // the mounted element's own props are the same contract the browser drives. |
| 58 | const textarea = document.querySelector<HTMLTextAreaElement>(".remote-file-view__editor")!; |
| 59 | const propsKey = Object.keys(textarea).find((key) => key.startsWith("__reactProps")); |
| 60 | const onChange = propsKey |
| 61 | ? (textarea as unknown as Record<string, { onChange?: (event: { target: { value: string } }) => void }>)[propsKey]?.onChange |
| 62 | : undefined; |
| 63 | assert(onChange, "the editor exposes its change handler"); |
| 64 | await act(async () => { onChange!({ target: { value: "DRAFT A" } }); }); |
| 65 | const save = [...document.querySelectorAll<HTMLButtonElement>(".remote-file-view__toolbar button")] |
| 66 | .find(button => /save/i.test(button.textContent ?? ""))!; |
| 67 | assert.equal(save.disabled, false, "an edited file can be saved"); |
| 68 | await act(async () => save.click()); |
| 69 | await waitFor("write issued", () => writes.length === 1); |
| 70 | assert.deepEqual(writes[0], { path: "a.txt", body: "DRAFT A" }, "the write targets the file it was issued for"); |
| 71 | await click("b.txt"); |
| 72 | await act(async () => pending.get("b.txt")!.resolve(result("b.txt"))); |
| 73 | await waitFor("replaced file", () => document.body.textContent?.includes("CONTENT b.txt") === true); |
| 74 | await act(async () => pendingWrites[0]!.resolve({ conflict: false, newMtimeUnix: 2 })); |
| 75 | assert(document.body.textContent?.includes("CONTENT b.txt"), "a receipt for another file cannot overwrite the one on screen"); |
| 76 | assert(!document.body.textContent?.includes("DRAFT A"), "a receipt for another file cannot leak its draft"); |
| 77 | assert.equal(document.querySelector(".remote-file-view__conflict"), null, "a receipt for another file cannot raise its conflict"); |
| 78 | |
| 79 | // A disconnected host reports the failure in the panel rather than a stale view. |
| 80 | await act(async () => useRemoteStore.setState({ statuses: { remote: { state: "stopped" } } })); |
| 81 | await waitFor("disconnected hint", () => document.querySelector(".remote-panel__hint") !== null); |
| 82 | assert.equal(document.querySelector(".remote-file-view"), null, "a disconnected host shows no file view"); |
| 83 | assert(!document.body.textContent?.includes("CONTENT b.txt"), "a disconnected host shows no stale preview"); |
| 84 | |
| 85 | await act(async () => root.unmount()); |
| 86 | await act(async () => pending.get("a.txt")!.resolve(result("a.txt"))); |
| 87 | assert.equal(document.querySelector(".remote-file-view"), null); |
| 88 | dom.window.close(); |
| 89 | console.log("PASS actual remote panel: out-of-order reads, save isolation, late completion after disposal"); |
| 90 |