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fix(code-runtime): contain deep output accounting

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This commit is contained in:
Tianyi Cui
2026-07-21 22:54:12 +08:00
parent 18bd8082fc
commit fc97403946
5 changed files with 107 additions and 36 deletions
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packages/code-runtime/code-runtime-worker/tests/output-json.spec.ts
+12
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@@ -1,4 +1,5 @@
import { describe, expect, it, vi } from 'vitest'
import type { CodeJsonValue } from '@deepseek-ai/dsh-code-runtime'
import { jsonStringBytesUpTo, jsonValueBytesUpTo, truncateJsonStringBytes } from '../src/output-json.ts'
describe('truncateJsonStringBytes', () => {
@@ -45,6 +46,8 @@ describe('jsonValueBytesUpTo', () => {
expect(jsonValueBytesUpTo(value, bytes)).toBe(bytes)
expect(jsonValueBytesUpTo(value, bytes - 1)).toBeUndefined()
expect(jsonValueBytesUpTo({}, 1)).toBeUndefined()
expect(jsonValueBytesUpTo([], 1)).toBeUndefined()
expect(jsonValueBytesUpTo([], 2)).toBe(2)
expect(jsonValueBytesUpTo(null, 3)).toBeUndefined()
expect(jsonValueBytesUpTo(10, 1)).toBeUndefined()
expect(jsonValueBytesUpTo(false, 4)).toBeUndefined()
@@ -55,5 +58,14 @@ describe('jsonValueBytesUpTo', () => {
expect(jsonValueBytesUpTo({ long: null }, 2)).toBeUndefined()
expect(jsonValueBytesUpTo({ '': null }, 4)).toBeUndefined()
expect(jsonValueBytesUpTo({ a: null }, 9)).toBeUndefined()
expect(jsonValueBytesUpTo({ a: undefined } as unknown as CodeJsonValue, 100)).toBeUndefined()
})
it('meters deeply nested arrays without recursive stack growth', () => {
let value: CodeJsonValue = null
for (let depth = 0; depth < 5_000; depth++) value = [value]
expect(jsonValueBytesUpTo(value, 10_004)).toBe(10_004)
expect(jsonValueBytesUpTo(value, 10_003)).toBeUndefined()
})
})