test(wsl): drive hook-relay reattach bench through real PTY spawn (#13260)

* test(wsl): drive hook-relay reattach bench through real PTY spawn

Follow-up to #13139: stop calling ensureWslHookRelayForReattach from the
benchmark and instead reattach a surviving WSL PTY via main's
registerPtyHandlers path, so a missing or misplaced integration in pty.ts
fails the bench.

* refactor(bench): isolate reattach relay refresh measurement and verify s

- Wrap benchmark in try-finally for reliable cleanup
- Add jiti module graph duplication detection to catch missing pty.ts integration
- Track relay refreshes only during reattach phase to avoid false positives from earlier phases
- Disable agent-status hooks during PTY spawn (reattach path doesn't gate on them)
- Improve error messages and make cleanup safe with optional chaining
This commit is contained in:
Jinjing 2026-08-08 14:06:34 -07:00 committed by GitHub
parent b11354aaa7
commit 3e6b93f0d2
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2 changed files with 270 additions and 65 deletions

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@ -0,0 +1,65 @@
/**
* Minimal `electron` module for wsl-hook-relay-reattach-benchmark.mjs, which loads the real
* src/main/ipc/pty.ts under plain node. Only the surfaces that main's PTY graph touches are
* implemented; everything else stays undefined so an unexpected dependency fails loudly.
*/
import { homedir, tmpdir } from 'node:os'
import { join } from 'node:path'
import process from 'node:process'
const userDataPath = process.env.ORCA_USER_DATA_PATH ?? tmpdir()
export const BrowserWindow = undefined
export const app = {
isPackaged: false,
getVersion: () => '0.0.0-wsl-relay-benchmark',
getName: () => 'orca-wsl-relay-benchmark',
getPath: (name) => {
if (name === 'userData') {
return userDataPath
}
if (name === 'temp') {
return tmpdir()
}
if (name === 'home') {
return homedir()
}
return join(userDataPath, name)
},
on: () => {},
once: () => {},
whenReady: () => Promise.resolve()
}
export const ipcMain = {
handle: () => {},
handleOnce: () => {},
on: () => {},
once: () => {},
removeHandler: () => {},
removeAllListeners: () => {}
}
export const powerMonitor = { on: () => {}, once: () => {} }
export const nativeTheme = { shouldUseDarkColors: false, on: () => {} }
export const shell = { openPath: async () => '', openExternal: async () => {} }
export const dialog = { showMessageBox: async () => ({ response: 0 }) }
export const safeStorage = { isEncryptionAvailable: () => false }
export const clipboard = { readText: () => '', writeText: () => {} }
export const screen = { getPrimaryDisplay: () => ({ workAreaSize: { width: 0, height: 0 } }) }
export const session = { defaultSession: undefined }
export default {
BrowserWindow,
app,
ipcMain,
powerMonitor,
nativeTheme,
shell,
dialog,
safeStorage,
clipboard,
screen,
session
}

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@ -1,14 +1,18 @@
import { spawn } from 'node:child_process'
import { existsSync, readFileSync } from 'node:fs'
import { existsSync, mkdtempSync, readFileSync, rmSync } from 'node:fs'
import { tmpdir } from 'node:os'
import { join } from 'node:path'
import { performance } from 'node:perf_hooks'
import process from 'node:process'
import { fileURLToPath } from 'node:url'
import { createJiti } from 'jiti'
const DEFAULT_SAMPLES = 20
const PANE_KEY = 'wsl-relay-bench:11111111-1111-4111-8111-111111111111'
const WSL_PATH = '/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin'
const TERMINAL_COLS = 80
const TERMINAL_ROWS = 24
function parseArgs(argv) {
const options = { distro: null, samples: DEFAULT_SAMPLES }
@ -203,6 +207,41 @@ async function invokeHook(distro, scriptPath, endpointPath) {
return { status: result.status, elapsedMs: performance.now() - startedAt }
}
/** Captures the PTY controller that registerPtyHandlers installs; every other runtime
* call the spawn path makes is a no-op so main's real lifecycle ordering still runs. */
function createRuntimeStub() {
let controller = null
const own = {
setPtyController: (next) => {
controller = next
}
}
// Why no `has: () => true`: feature detection (`'x' in runtime`, typeof checks) must
// not claim methods exist when they are only auto-stubbed getters.
const runtime = new Proxy(own, {
get: (target, property) => {
if (property in target) {
return target[property]
}
return typeof property === 'string' && property !== 'then' ? () => undefined : undefined
}
})
return { runtime, getController: () => controller }
}
function createRendererWindowStub() {
const webContents = {
id: 1,
on: () => {},
once: () => {},
removeListener: () => {},
send: () => {},
isDestroyed: () => false,
session: { on: () => {} }
}
return { webContents, on: () => {}, once: () => {}, isDestroyed: () => false }
}
function percentile(samples, percentileValue) {
const sorted = [...samples].sort((left, right) => left - right)
return sorted[Math.ceil((percentileValue / 100) * sorted.length) - 1]
@ -246,70 +285,145 @@ async function main() {
})
}
const jiti = createJiti(import.meta.url)
const [{ WslHookRelayManager }, { ensureWslHookRelayForReattach }, { codexHookService }] =
await Promise.all([
jiti.import('../../src/main/agent-hooks/wsl-hook-relay-manager.ts'),
jiti.import('../../src/main/agent-hooks/wsl-hook-relay-reattach.ts'),
jiti.import('../../src/main/codex/hook-service.ts')
])
const { MANAGED_AGENT_HOOK_TARGETS } = await jiti.import(
'../../src/shared/managed-agent-hook-targets.ts'
)
const guestHome = (
await run('wsl.exe', wslArgs(distro, ['/bin/sh', '-c', 'printf %s "$HOME"']))
).stdout.trim()
const instanceKey = `bench-${process.pid}-${Date.now().toString(36)}`
const benchmarkRoot = `${guestHome}/.orca-wsl/benchmarks/${instanceKey}`
const scriptPath = `${benchmarkRoot}/.orca/agent-hooks/codex-hook.sh`
const endpointPath = `${guestHome}/.orca-wsl/agent-hooks/instance-${instanceKey}/endpoint.env`
const cleanupPaths = [benchmarkRoot, `${guestHome}/.orca-wsl/agent-hooks/instance-${instanceKey}`]
if (cleanupPaths.some((cleanupPath) => !cleanupPath.startsWith(`${guestHome}/.orca-wsl/`))) {
throw new Error('Refusing to use an unexpected guest cleanup path')
}
const disabledTuiAgents = MANAGED_AGENT_HOOK_TARGETS.filter(
(target) => target.tuiAgent !== 'codex'
).map((target) => target.tuiAgent)
const bundleVersion = readFileSync(versionPath, 'utf8').trim()
const warnings = []
let delivered = 0
// Why: main's PTY graph reads app paths at import time; keep it inside a disposable directory.
let userDataDir
let ptyIpc
let cleanupPaths = []
let manager = null
let staller = null
const createManager = async (token) => {
const preferredPort = await freeGuestPort(distro)
return new WslHookRelayManager({
platform: () => 'win32',
remoteHooksEnabled: () => true,
hookCoordsEnv: () => ({
ORCA_AGENT_HOOK_PORT: String(preferredPort),
ORCA_AGENT_HOOK_TOKEN: token,
ORCA_AGENT_HOOK_ENV: 'benchmark',
ORCA_AGENT_HOOK_VERSION: '1'
}),
instanceKey: () => instanceKey,
resolveBundle: () => ({ jsPath: bundlePath, version: bundleVersion }),
listDistros: async () => [distro],
ingest: () => {
delivered++
},
installHooks: async (sftp) => [
await codexHookService.installRemote(sftp, benchmarkRoot, {
codexHomeDir: `${benchmarkRoot}/codex-home`,
deferTrustUntilConfigToml: true
})
],
managedHookSettings: () => ({
agentCmdOverrides: { codex: '/bin/true' },
disabledTuiAgents
}),
pluginSources: () => ({}),
warn: (message) => warnings.push(message),
transientRetryDelayMs: 100
})
}
try {
userDataDir = mkdtempSync(join(tmpdir(), 'orca-wsl-relay-bench-'))
process.env.ORCA_USER_DATA_PATH = userDataDir
const jiti = createJiti(import.meta.url, {
alias: {
electron: fileURLToPath(
new URL('./wsl-hook-relay-reattach-benchmark-electron-stub.mjs', import.meta.url)
)
}
})
// Why sequential: concurrent jiti.import calls can each instantiate the module graph, and two
// copies of wsl-hook-relay-manager.ts would leave pty.ts refreshing a singleton we never see.
ptyIpc = await jiti.import('../../src/main/ipc/pty.ts')
const { WslHookRelayManager, wslHookRelayManager } = await jiti.import(
'../../src/main/agent-hooks/wsl-hook-relay-manager.ts'
)
const { ensureWslHookRelayForReattach } = await jiti.import(
'../../src/main/agent-hooks/wsl-hook-relay-reattach.ts'
)
const { codexHookService } = await jiti.import('../../src/main/codex/hook-service.ts')
const { MANAGED_AGENT_HOOK_TARGETS } = await jiti.import(
'../../src/shared/managed-agent-hook-targets.ts'
)
const { toWindowsWslPath } = await jiti.import('../../src/shared/wsl-paths.ts')
const { FLOATING_TERMINAL_WORKTREE_ID } = await jiti.import('../../src/shared/constants.ts')
// Why: if jiti ever returns a second manager module, our monkey-patch would miss the singleton
// that ensureWslHookRelayForReattach (loaded via pty.ts) closes over — fail closed now.
const singletonProbe = []
const previousEnsure = wslHookRelayManager.ensureForDistro.bind(wslHookRelayManager)
wslHookRelayManager.ensureForDistro = (probedDistro) => {
singletonProbe.push(probedDistro)
}
ensureWslHookRelayForReattach(
{ isReattach: true, wslDistro: '__bench-singleton-probe__' },
null
)
wslHookRelayManager.ensureForDistro = previousEnsure
if (singletonProbe.length !== 1 || singletonProbe[0] !== '__bench-singleton-probe__') {
throw new Error(
'jiti duplicated the WSL hook-relay manager graph; reattach patch would not observe pty.ts'
)
}
const guestHome = (
await run('wsl.exe', wslArgs(distro, ['/bin/sh', '-c', 'printf %s "$HOME"']))
).stdout.trim()
const instanceKey = `bench-${process.pid}-${Date.now().toString(36)}`
const benchmarkRoot = `${guestHome}/.orca-wsl/benchmarks/${instanceKey}`
const scriptPath = `${benchmarkRoot}/.orca/agent-hooks/codex-hook.sh`
const endpointPath = `${guestHome}/.orca-wsl/agent-hooks/instance-${instanceKey}/endpoint.env`
cleanupPaths = [benchmarkRoot, `${guestHome}/.orca-wsl/agent-hooks/instance-${instanceKey}`]
if (cleanupPaths.some((cleanupPath) => !cleanupPath.startsWith(`${guestHome}/.orca-wsl/`))) {
throw new Error('Refusing to use an unexpected guest cleanup path')
}
const disabledTuiAgents = MANAGED_AGENT_HOOK_TARGETS.filter(
(target) => target.tuiAgent !== 'codex'
).map((target) => target.tuiAgent)
const bundleVersion = readFileSync(versionPath, 'utf8').trim()
const warnings = []
const relayRefreshes = []
let delivered = 0
// Why: pty.ts refreshes through the production singleton, so route that singleton at the
// benchmark-scoped manager instead of calling the reattach helper from here — a removed or
// mislocated integration call in pty.ts must fail this benchmark.
wslHookRelayManager.ensureForDistro = (refreshedDistro) => {
relayRefreshes.push(refreshedDistro)
manager?.ensureForDistro(refreshedDistro)
}
const { runtime, getController } = createRuntimeStub()
// Why hooks off: fresh WSL spawn still runs buildPtyHostEnv, which calls ensureForDistro when
// hooks are on. This bench isolates the reattach call site (ensureWslHookRelayForReattach),
// which does not gate on agentStatusHooksEnabled.
ptyIpc.registerPtyHandlers(
createRendererWindowStub(),
runtime,
undefined,
() => ({ agentStatusHooksEnabled: false }),
undefined,
undefined,
{}
)
const ptyController = getController()
if (typeof ptyController?.spawn !== 'function') {
throw new Error('registerPtyHandlers did not install a runtime PTY controller')
}
const survivingSessionId = `orca-wsl-relay-bench-${instanceKey}`
const spawnSurvivingPty = () =>
ptyController.spawn({
cols: TERMINAL_COLS,
rows: TERMINAL_ROWS,
// Why floating: without a worktree root main drops the requested cwd, and the UNC path is
// what makes the local provider launch this PTY inside the distro under test.
worktreeId: FLOATING_TERMINAL_WORKTREE_ID,
cwd: toWindowsWslPath(guestHome, distro),
sessionId: survivingSessionId
})
const createManager = async (token) => {
const preferredPort = await freeGuestPort(distro)
return new WslHookRelayManager({
platform: () => 'win32',
remoteHooksEnabled: () => true,
hookCoordsEnv: () => ({
ORCA_AGENT_HOOK_PORT: String(preferredPort),
ORCA_AGENT_HOOK_TOKEN: token,
ORCA_AGENT_HOOK_ENV: 'benchmark',
ORCA_AGENT_HOOK_VERSION: '1'
}),
instanceKey: () => instanceKey,
resolveBundle: () => ({ jsPath: bundlePath, version: bundleVersion }),
listDistros: async () => [distro],
ingest: () => {
delivered++
},
installHooks: async (sftp) => [
await codexHookService.installRemote(sftp, benchmarkRoot, {
codexHomeDir: `${benchmarkRoot}/codex-home`,
deferTrustUntilConfigToml: true
})
],
managedHookSettings: () => ({
agentCmdOverrides: { codex: '/bin/true' },
disabledTuiAgents
}),
pluginSources: () => ({}),
warn: (message) => warnings.push(message),
transientRetryDelayMs: 100
})
}
manager = await createManager('before-restart-token')
manager.ensureForDistro(distro)
await waitFor('initial relay and generated Codex hook', async () => {
@ -319,6 +433,12 @@ async function main() {
])
return endpoint?.includes('before-restart-token') && script?.includes('--max-time')
})
const survivingPty = await spawnSurvivingPty()
if (relayRefreshes.length > 0) {
throw new Error(`Fresh WSL spawn refreshed the relay: ${relayRefreshes.join(', ')}`)
}
manager.disposeAll()
manager = null
@ -336,9 +456,22 @@ async function main() {
delivered = 0
manager = await createManager('after-restart-token')
ensureWslHookRelayForReattach({ isReattach: true, wslDistro: distro }, null, (ownedDistro) =>
manager.ensureForDistro(ownedDistro)
)
// Reattach the surviving WSL PTY through main's real spawn path — no direct helper call.
// Why delta: only the reattach phase should record ensureForDistro; length alone can false-
// green if an earlier phase already refreshed (or if a future hooks-on change reintroduces it).
const refreshesBeforeReattach = relayRefreshes.length
const reattachedPty = await spawnSurvivingPty()
if (reattachedPty.id !== survivingPty.id) {
throw new Error(
`Expected to reattach PTY ${survivingPty.id}, main spawned ${reattachedPty.id}`
)
}
const reattachRefreshes = relayRefreshes.slice(refreshesBeforeReattach)
if (reattachRefreshes.length !== 1 || reattachRefreshes[0] !== distro) {
throw new Error(
`PTY reattach did not refresh the relay for '${distro}': before=${refreshesBeforeReattach} all=[${relayRefreshes.join(', ')}]`
)
}
const refreshedEndpoint = await waitFor('reattached relay endpoint rewrite', async () => {
const contents = await readGuestFile(distro, endpointPath)
const parsed = contents ? parseEndpoint(contents) : null
@ -362,6 +495,9 @@ async function main() {
distro,
endpointPath,
endpointPortAfterReattach: refreshedEndpoint.port,
reattachedPtyId: reattachedPty.id,
relayRefreshes,
reattachRefreshes,
stale,
refreshed,
medianSpeedup: Number((stale.medianMs / refreshed.medianMs).toFixed(1)),
@ -383,6 +519,10 @@ async function main() {
} finally {
manager?.disposeAll()
await staller?.stop()
ptyIpc?.killAllPty?.()
if (userDataDir) {
rmSync(userDataDir, { recursive: true, force: true })
}
for (const cleanupPath of cleanupPaths) {
await run('wsl.exe', wslArgs(distro, ['/bin/rm', '-rf', '--', cleanupPath]), {
allowFailure: true