From d8b70df00c62c0aa4cf9ddd238a45d0d87a59261 Mon Sep 17 00:00:00 2001 From: Tianyi Cui <53024+tianyicui@users.noreply.github.com> Date: Wed, 29 Jul 2026 23:53:59 +0800 Subject: [PATCH] test(snapshot): isolate persistent tool artifacts --- examples/jsonrpc-agent/tests/sdk.snapshot.ts | 56 ++++++++++++------- .../notifications.expected.jsonl | 22 ++++---- .../snapshots/persistent-tools/session.jsonl | 22 ++++---- 3 files changed, 57 insertions(+), 43 deletions(-) diff --git a/examples/jsonrpc-agent/tests/sdk.snapshot.ts b/examples/jsonrpc-agent/tests/sdk.snapshot.ts index 26a6461586..8f8da33611 100644 --- a/examples/jsonrpc-agent/tests/sdk.snapshot.ts +++ b/examples/jsonrpc-agent/tests/sdk.snapshot.ts @@ -11,7 +11,7 @@ import { mkdir, mkdtemp, readFile, readdir, rm, writeFile } from 'node:fs/promises' import { tmpdir } from 'node:os' -import { delimiter, isAbsolute, join } from 'node:path' +import { basename, delimiter, join } from 'node:path' import { fileURLToPath } from 'node:url' import { describe, expect, it } from 'vitest' import { @@ -55,7 +55,7 @@ interface SdkScenario { children: number /** Optional scenario-specific live and replay compositions. */ configs?: { live: string; replay: string } - /** Files whose final contents are part of the scenario contract. */ + /** Cwd-relative files whose final contents are part of the scenario contract. */ expectedFiles?: Readonly> } @@ -80,13 +80,11 @@ const SCENARIOS: SdkScenario[] = [ }, { name: 'persistent-tools', - prompt: 'Prove that bash state persists, then create and edit note.txt.', + prompt: 'Prove that bash state persists, then create and edit the exact file {{cwd}}/note.txt.', sessionId: 'persistent-tools-snapshot', children: 0, configs: { live: persistentToolsLiveConfig, replay: persistentToolsReplayConfig }, - // Replay returns recorded tool arguments verbatim, so this cross-platform - // POSIX fixture uses one stable absolute path and cleans it around the run. - expectedFiles: { '/tmp/dsh-persistent-tools-snapshot-note.txt': 'beta\n' }, + expectedFiles: { 'note.txt': 'beta\n' }, }, ] @@ -96,6 +94,10 @@ interface PersistedLog { readonly header: Record } +interface MissingFile { + readonly missing: true +} + async function jsonlFiles(dir: string): Promise { const entries = await readdir(dir, { recursive: true }) return entries.filter(entry => entry.endsWith('.jsonl')).map(entry => join(dir, entry)).sort() @@ -125,6 +127,25 @@ function contextOfContents(contents: readonly string[]): NormalizeContext { } } +async function hydrateReplayFixtures(scenario: SdkScenario, cwd: string): Promise { + const root = join(cwd, '.replay-fixtures') + await mkdir(root, { recursive: true }) + return Promise.all(fixtureFiles(scenario).map(async (source) => { + const destination = join(root, basename(source)) + await writeFile(destination, (await readFile(source, 'utf8')).replaceAll('{{cwd}}', cwd)) + return destination + })) +} + +async function readExpectedFile(path: string): Promise { + try { + return await readFile(path, 'utf8') + } catch (error: unknown) { + if (error instanceof Error && (error as NodeJS.ErrnoException).code === 'ENOENT') return { missing: true } + throw error + } +} + /** * Normalize the SDK-visible notification stream: embedded `session.event` * envelopes get the session-log treatment (times zeroed, headers tokenized), @@ -163,24 +184,18 @@ async function runScenario(scenario: SdkScenario): Promise<{ result: TurnResult notifications: HarnessNotification[] logs: PersistedLog[] - observedFiles: Record + observedFiles: Record cwd: string }> { const cwd = await mkdtemp(join(tmpdir(), `sdk-snapshot-${scenario.name}-`)) const sessionsRoot = join(cwd, '.sessions') - const scenarioDir = join(snapshotsDir, scenario.name) - const expectedFilePaths = Object.keys(scenario.expectedFiles ?? {}).map(path => - isAbsolute(path) ? path : join(cwd, path)) - await Promise.all(expectedFilePaths.map(async path => rm(path, { force: true }))) + const replayFixtures = recording ? [] : await hydrateReplayFixtures(scenario, cwd) const launch = resolveExampleLaunch({ srcBin: runtimeBin, configArgs: [], tsconfigPath: repoTsconfig, }) - const childFixtures = Array.from( - { length: scenario.children }, - (_, index) => join(scenarioDir, `session.${index + 1}.jsonl`), - ) + const [parentFixture, ...childFixtures] = replayFixtures const env: Record = { ...Object.fromEntries(Object.entries(process.env).filter(([, value]) => value !== undefined)) as Record, ...Object.fromEntries(Object.entries(launch.env).filter(([, value]) => value !== undefined)) as Record, @@ -191,8 +206,8 @@ async function runScenario(scenario: SdkScenario): Promise<{ DSH_CWD: cwd, DSH_SNAPSHOT: mode, NODE_OPTIONS: [process.env.NODE_OPTIONS, '--disable-warning=ExperimentalWarning'].filter(Boolean).join(' '), - ...recording ? {} : { - DSH_SNAPSHOT_FILE: join(scenarioDir, 'session.jsonl'), + ...parentFixture === undefined ? {} : { + DSH_SNAPSHOT_FILE: parentFixture, ...childFixtures.length > 0 ? { DSH_SNAPSHOT_CHILD_FILES: childFixtures.join(delimiter) } : {}, }, } @@ -211,22 +226,21 @@ async function runScenario(scenario: SdkScenario): Promise<{ }) try { const notifications: HarnessNotification[] = [] - const result = await harness.run(scenario.prompt, { + const result = await harness.run(scenario.prompt.replaceAll('{{cwd}}', cwd), { sessionId: scenario.sessionId, onNotification: (notification) => { notifications.push(notification) }, }) await harness.close() const logs = await persistedLogs(sessionsRoot) const observedFiles = Object.fromEntries(await Promise.all( - Object.keys(scenario.expectedFiles ?? {}).map(async (path): Promise<[string, string]> => [ + Object.keys(scenario.expectedFiles ?? {}).map(async (path): Promise<[string, string | MissingFile]> => [ path, - await readFile(isAbsolute(path) ? path : join(cwd, path), 'utf8'), + await readExpectedFile(join(cwd, path)), ]), )) return { result, notifications, logs, observedFiles, cwd } } finally { await harness.close() - await Promise.all(expectedFilePaths.map(async path => rm(path, { force: true }))) await rm(cwd, { recursive: true, force: true }) } } diff --git a/examples/jsonrpc-agent/tests/snapshots/persistent-tools/notifications.expected.jsonl b/examples/jsonrpc-agent/tests/snapshots/persistent-tools/notifications.expected.jsonl index 481e0a3d08..264835dd0a 100644 --- a/examples/jsonrpc-agent/tests/snapshots/persistent-tools/notifications.expected.jsonl +++ b/examples/jsonrpc-agent/tests/snapshots/persistent-tools/notifications.expected.jsonl @@ -1,5 +1,5 @@ {"method":"session.event","params":{"sessionId":"{{sessionId}}","event":{"type":"turn/start","seq":0,"time":0,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}}}} -{"method":"session.event","params":{"sessionId":"{{sessionId}}","event":{"type":"user/message","seq":1,"time":0,"data":{"content":[{"type":"text","text":"Prove that bash state persists, then create and edit note.txt."}],"source":{"kind":"user"},"role":"user","id":"{{sessionId}}"},"surfaceOp":"append"}}} +{"method":"session.event","params":{"sessionId":"{{sessionId}}","event":{"type":"user/message","seq":1,"time":0,"data":{"content":[{"type":"text","text":"Prove that bash state persists, then create and edit the exact file {{cwd}}/note.txt."}],"source":{"kind":"user"},"role":"user","id":"{{sessionId}}"},"surfaceOp":"append"}}} {"method":"session.event","params":{"sessionId":"{{sessionId}}","event":{"type":"session/title","seq":2,"time":0,"data":{"title":"Prove that bash state persists,","messageSeqs":[1],"source":{"kind":"fallback"}}}}} {"method":"session.event","params":{"sessionId":"{{sessionId}}","event":{"type":"step/start","seq":3,"time":0,"data":{"turn":1,"step":1}}}} {"method":"session.event","params":{"sessionId":"{{sessionId}}","event":{"type":"request/header","seq":4,"time":0,"data":{"header":{"config":{"provider":"deepseek","model":"deepseek-v4-flash"},"system":"{{system}}","tools":"{{tools}}"},"reason":"initial"}}}} @@ -24,23 +24,23 @@ {"method":"session.event","params":{"sessionId":"{{sessionId}}","event":{"type":"step/end","seq":23,"time":0,"data":{"turn":1,"step":2}}}} {"method":"session.event","params":{"sessionId":"{{sessionId}}","event":{"type":"step/start","seq":24,"time":0,"data":{"turn":1,"step":3}}}} {"method":"session.event","params":{"sessionId":"{{sessionId}}","event":{"type":"assistant/chunk","seq":25,"time":0,"data":{"turn":1,"step":3,"chunk":{"type":"block-start","index":0,"blockType":"tool-call"}}}}} 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a/examples/jsonrpc-agent/tests/snapshots/persistent-tools/session.jsonl b/examples/jsonrpc-agent/tests/snapshots/persistent-tools/session.jsonl index d4c36a93ac..cdab76078e 100644 --- a/examples/jsonrpc-agent/tests/snapshots/persistent-tools/session.jsonl +++ b/examples/jsonrpc-agent/tests/snapshots/persistent-tools/session.jsonl @@ -1,6 +1,6 @@ {"type":"session","version":0,"id":"persistent-tools-snapshot","createdAt":1785331618309,"cwd":"{{cwd}}","delegationDepth":0} {"type":"turn/start","seq":0,"time":1785331618311,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} -{"type":"user/message","seq":1,"time":1785331618311,"data":{"content":[{"type":"text","text":"Prove that bash state persists, then create and edit note.txt."}],"source":{"kind":"user"},"role":"user","id":"d0534fe8-a74b-4fcf-913f-d78e36f486bb"},"surfaceOp":"append"} +{"type":"user/message","seq":1,"time":1785331618311,"data":{"content":[{"type":"text","text":"Prove that bash state persists, then create and edit the exact file {{cwd}}/note.txt."}],"source":{"kind":"user"},"role":"user","id":"d0534fe8-a74b-4fcf-913f-d78e36f486bb"},"surfaceOp":"append"} {"type":"session/title","seq":2,"time":1785331618312,"data":{"title":"Prove that bash state persists,","messageSeqs":[1],"source":{"kind":"fallback"}}} {"type":"step/start","seq":3,"time":1785331618312,"data":{"turn":1,"step":1}} {"type":"request/header","seq":4,"time":1785331618313,"data":{"header":{"config":{"provider":"deepseek","model":"deepseek-v4-flash"},"system":"{{system}}","tools":"{{tools}}"},"reason":"initial"}} @@ -25,23 +25,23 @@ {"type":"step/end","seq":23,"time":1785331618759,"data":{"turn":1,"step":2}} {"type":"step/start","seq":24,"time":1785331618759,"data":{"turn":1,"step":3}} {"type":"assistant/chunk","seq":25,"time":1785331618762,"data":{"turn":1,"step":3,"chunk":{"type":"block-start","index":0,"blockType":"tool-call"}}} 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