mirror of
https://github.com/deepseek-ai/deepseek-harness.git
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230 lines
11 KiB
TypeScript
230 lines
11 KiB
TypeScript
/** Host-resolved file identities across pending stats, retries, and disposal. */
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import type { SessionId } from '@deepseek-ai/dsh-session/types'
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import { RemoteError } from '@deepseek-ai/dsh-typert-protocol'
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import { sessionFileAddress } from '@deepseek-ai/dsh-util-workspace-path'
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import { describe, expect, it, onTestFinished } from 'vitest'
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import { ChangeFeed } from '../src/client/change-feed.ts'
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import { createFileResourceProvider } from '../src/client/provider.ts'
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import { FakeRemote, settle } from './fake-remote.client.ts'
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const SESSION = 'host-only' as SessionId
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const RELATIVE = 'linked/a b.txt'
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const ADDRESS = sessionFileAddress(SESSION, RELATIVE)
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const CANONICAL = '/host/canonical/a b.txt'
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function harness() {
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const remote = new FakeRemote()
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const changes = new ChangeFeed(remote)
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const provider = createFileResourceProvider(remote, changes)
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const open = (address = ADDRESS) => {
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const controller = new AbortController()
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const iterator = provider.open(address, { signal: controller.signal })[Symbol.asyncIterator]()
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onTestFinished(async () => {
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controller.abort()
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for (const request of remote.stats) {
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request.resolve({ ok: false, error: new RemoteError('gateway/internal', 'test ended', {}) })
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}
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await iterator.return?.()
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await changes.settle()
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})
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return { iterator, controller }
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}
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return { remote, changes, open }
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}
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describe('Host-resolved file paths', () => {
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it('accepts Host ready before submitting the unmodified relative path without a Client Session summary', async () => {
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const { remote, open } = harness()
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const { iterator } = open()
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const first = iterator.next()
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const request = await remote.waitForStat(0)
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expect(remote.calls).toEqual(['changes', 'accept', 'stat'])
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expect(request).toMatchObject({ sessionId: SESSION, path: RELATIVE })
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request.resolve({ ok: true, value: { absolutePath: CANONICAL, version: 'v0', bytes: 3 } })
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await expect(first).resolves.toEqual({ done: false, value: { ok: true, value: { absolutePath: CANONICAL, version: 'v0', bytes: 3 } } })
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})
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it('does not stat an opened changes stream until the Host acknowledges its subscription', async () => {
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const { remote, open } = harness()
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remote.autoReady = false
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const { iterator } = open()
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const first = iterator.next()
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const { source } = await remote.waitForChanges(0)
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await settle()
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expect(remote.calls).toEqual(['changes'])
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expect(remote.stats).toEqual([])
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await source.deliver({ kind: 'ready' })
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const request = await remote.waitForStat(0)
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expect(remote.calls).toEqual(['changes', 'accept', 'stat'])
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request.resolve({ ok: true, value: { absolutePath: CANONICAL, version: 'v0' } })
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await expect(first).resolves.toEqual({ done: false, value: { ok: true, value: { absolutePath: CANONICAL, version: 'v0' } } })
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})
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it.each(['abort', 'end', 'failure'] as const)('settles %s before Host ready without sending a stat or leaving a stream', async (ending) => {
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const { remote, changes, open } = harness()
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remote.autoReady = false
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const { iterator, controller } = open()
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const first = iterator.next()
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const { source } = await remote.waitForChanges(0)
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switch (ending) {
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case 'abort': controller.abort(); break
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case 'end': source.end(); break
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case 'failure': source.fail(new Error('workspace root unavailable')); break
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default: throw new Error(`Unexpected stream ending: ${ending satisfies never}`)
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}
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await expect(first).resolves.toEqual({ done: true, value: undefined })
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await changes.settle()
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expect(remote.calls).toEqual(['changes'])
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expect(remote.stats).toEqual([])
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expect(remote.disposed).toEqual([`workspace file changes of ${SESSION}`])
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expect(source.aborted).toBe(true)
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})
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it('accepts another generation ready without resetting metadata or re-statting existing files', async () => {
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const { remote, open } = harness()
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const { iterator } = open()
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const first = iterator.next()
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const request = await remote.waitForStat(0)
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request.resolve({ ok: true, value: { absolutePath: CANONICAL, version: 'v0', bytes: 3 } })
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await first
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const next = iterator.next()
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const source = remote.opened[0]!.source
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await source.deliver({ kind: 'ready' })
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await source.deliver({ kind: 'change', change: { absolutePath: CANONICAL, version: 'v1' } })
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expect(remote.stats).toHaveLength(1)
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expect(remote.calls).toEqual(['changes', 'accept', 'stat', 'accept'])
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await expect(next).resolves.toEqual({ done: false, value: { ok: true, value: { absolutePath: CANONICAL, version: 'v1', bytes: 3 } } })
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})
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it.each([
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['relative', ADDRESS, RELATIVE],
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['absolute', sessionFileAddress(SESSION, '/shortcut/a.txt'), '/shortcut/a.txt'],
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])('filters queued and live %s changes using the Host canonical path, not the input path', async (_, address, path) => {
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const { remote, open } = harness()
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const { iterator } = open(address)
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const first = iterator.next()
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const request = await remote.waitForStat(0)
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expect(request).toMatchObject({ sessionId: SESSION, path })
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const source = remote.opened[0]!.source
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// Delivery is acknowledged while stat is still unresolved, before a key can be bound.
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await source.deliver({ kind: 'change', change: { absolutePath: '/other/file.txt', version: 'other-before-stat' } })
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await source.deliver({ kind: 'change', change: { absolutePath: CANONICAL, version: 'v1' } })
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request.resolve({ ok: true, value: { absolutePath: CANONICAL, version: 'v0', bytes: 3 } })
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await expect(first).resolves.toMatchObject({ value: { ok: true, value: { version: 'v0' } } })
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await expect(iterator.next()).resolves.toEqual({ done: false, value: { ok: true, value: { absolutePath: CANONICAL, version: 'v1', bytes: 3 } } })
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await source.deliver({ kind: 'change', change: { absolutePath: '/other/file.txt', version: 'other-after-stat' } })
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await source.deliver({ kind: 'change', change: { absolutePath: CANONICAL, version: 'v2' } })
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await expect(iterator.next()).resolves.toMatchObject({ value: { ok: true, value: { version: 'v2' } } })
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expect(remote.stats).toHaveLength(1)
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})
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it.each(['write'] as const)('recovers an initial failed stat through %s and filters the retry backlog after binding', async () => {
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const { remote, open } = harness()
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const { iterator } = open()
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const first = iterator.next()
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const request = await remote.waitForStat(0)
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const error = new RemoteError('workspace-file/not-found', 'missing', { path: RELATIVE })
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request.resolve({ ok: false, error })
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await expect(first).resolves.toEqual({ done: false, value: { ok: false, error } })
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const source = remote.opened[0]!.source
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const retried = iterator.next()
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await source.deliver({ kind: 'change', change: { absolutePath: '/unknown-key-trigger.txt', version: 'trigger' } })
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const retry = await remote.waitForStat(1)
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expect(retry).toMatchObject({ sessionId: SESSION, path: RELATIVE })
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await source.deliver({ kind: 'change', change: { absolutePath: '/other/file.txt', version: 'other' } })
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await source.deliver({ kind: 'change', change: { absolutePath: CANONICAL, version: 'v3' } })
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retry.resolve({ ok: true, value: { absolutePath: CANONICAL, version: 'v2', bytes: 5 } })
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await expect(retried).resolves.toEqual({
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done: false, value: { ok: true, value: { absolutePath: CANONICAL, version: 'v2', bytes: 5 } },
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})
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await expect(iterator.next()).resolves.toMatchObject({ value: { ok: true, value: { version: 'v3' } } })
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expect(remote.stats).toHaveLength(2)
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})
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it('binds a changed canonical path after disappearance before filtering writes received during that stat', async () => {
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const { remote, open } = harness()
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const { iterator } = open()
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const first = iterator.next()
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const request = await remote.waitForStat(0)
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request.resolve({ ok: true, value: { absolutePath: '/host/old-target.txt', version: 'v0' } })
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await first
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const reloaded = iterator.next()
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await remote.opened[0]!.source.deliver({ kind: 'change', change: { absolutePath: '/host/old-target.txt', absent: true } })
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const retry = await remote.waitForStat(1)
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const source = remote.opened[0]!.source
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await source.deliver({ kind: 'change', change: { absolutePath: '/host/old-target.txt', version: 'old-target-write' } })
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await source.deliver({ kind: 'change', change: { absolutePath: CANONICAL, version: 'v2' } })
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retry.resolve({ ok: true, value: { absolutePath: CANONICAL, version: 'v1' } })
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await expect(reloaded).resolves.toMatchObject({ value: { ok: true, value: { version: 'v1' } } })
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await expect(iterator.next()).resolves.toMatchObject({ value: { ok: true, value: { version: 'v2' } } })
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expect(remote.stats).toHaveLength(2)
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})
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it('drops a late stat after abort and waits for the session stream disposal', async () => {
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const { remote, changes, open } = harness()
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const { iterator, controller } = open()
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const first = iterator.next()
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const request = await remote.waitForStat(0)
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await remote.opened[0]!.source.deliver({ kind: 'change', change: { absolutePath: CANONICAL, version: 'v1' } })
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const gate = Promise.withResolvers<undefined>()
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remote.disposeGate = gate.promise
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try {
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controller.abort()
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request.resolve({ ok: true, value: { absolutePath: CANONICAL, version: 'v0' } })
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await expect(first).resolves.toEqual({ done: true, value: undefined })
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expect(remote.opened[0]!.source.aborted).toBe(true)
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let settled = false
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const closing = changes.settle().then(() => { settled = true })
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await settle()
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expect(settled).toBe(false)
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gate.resolve(undefined)
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await closing
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expect(settled).toBe(true)
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expect(remote.disposed).toEqual([`workspace file changes of ${SESSION}`])
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} finally {
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gate.resolve(undefined)
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}
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})
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it('aborts while waiting for a predecessor to close without sending a stat', async () => {
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const { remote, changes, open } = harness()
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const previous = open()
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const first = previous.iterator.next()
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const request = await remote.waitForStat(0)
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request.resolve({ ok: true, value: { absolutePath: CANONICAL, version: 'v0' } })
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await first
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const gate = Promise.withResolvers<undefined>()
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remote.disposeGate = gate.promise
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try {
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previous.controller.abort()
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const next = open()
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const pending = next.iterator.next()
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next.controller.abort()
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await expect(pending).resolves.toEqual({ done: true, value: undefined })
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expect(remote.stats).toHaveLength(1)
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gate.resolve(undefined)
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await changes.settle()
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expect(remote.disposed).toHaveLength(2)
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} finally {
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gate.resolve(undefined)
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}
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})
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it.each([true, false])('releases an unconsumed notification follower after the first stat (success: %s)', async (ok) => {
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const { remote, changes, open } = harness()
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const { iterator } = open()
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const first = iterator.next()
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const request = await remote.waitForStat(0)
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request.resolve(ok
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? { ok: true, value: { absolutePath: CANONICAL, version: 'v0' } }
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: { ok: false, error: new RemoteError('workspace-file/not-found', 'missing', { path: RELATIVE }) })
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await first
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await iterator.return?.()
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await changes.settle()
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expect(remote.opened[0]!.source.aborted).toBe(true)
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expect(remote.disposed).toEqual([`workspace file changes of ${SESSION}`])
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})
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})
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