mirror of
https://github.com/deepseek-ai/deepseek-harness
synced 2026-08-15 21:04:50 +00:00
350 lines
15 KiB
TypeScript
350 lines
15 KiB
TypeScript
import { mkdtempSync } from 'node:fs'
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import { tmpdir } from 'node:os'
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import { join } from 'node:path'
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import { describe, expect, it } from 'vitest'
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import { Context } from '@deepseek-ai/cordis'
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import { LocalBashExecutor } from '@deepseek-ai/dsh-bash-local'
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import LocalSubprocessService from '@deepseek-ai/dsh-subprocess-local'
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import { MAX_TIMER_DELAY_MS } from '@deepseek-ai/dsh-timeout'
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import type { BashProcess } from '@deepseek-ai/dsh-bash'
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const spillDir = mkdtempSync(join(tmpdir(), 'dsh-bash-exec-spec-'))
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async function setup(config: ConstructorParameters<typeof LocalBashExecutor>[1] = {}) {
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const ctx = new Context()
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await ctx.plugin(LocalSubprocessService)
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;(ctx.subprocess as LocalSubprocessService).internals = { spillDir }
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// A short kill grace via the REAL config path, so escalation tests stay fast.
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await ctx.plugin(LocalBashExecutor, { graceMs: 200, ...config })
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const bash = ctx.bash as LocalBashExecutor
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return { ctx, bash }
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}
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/**
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* Poll a handle's consuming readOutput until the ACCUMULATED delta contains
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* `expected`; returns the accumulation (reads never re-deliver, so the caller
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* gets everything produced up to the match).
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*/
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async function readUntil(proc: BashProcess, expected: string, timeoutMs = 5_000): Promise<string> {
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const deadline = Date.now() + timeoutMs
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let all = ''
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while (Date.now() < deadline) {
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all += proc.readOutput().delta
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if (all.includes(expected)) return all
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await new Promise(resolve => setTimeout(resolve, 20))
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}
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throw new Error(`process output did not include ${JSON.stringify(expected)}; accumulated ${JSON.stringify(all)}`)
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}
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describe('LocalBashExecutor.run', () => {
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it('resolves with output and the effective timeout', async () => {
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const { bash } = await setup({ timeoutMs: 5_000 })
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const result = await bash.run(bash.resolve({ command: 'echo hi' }))
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expect(result.exitCode).toBe(0)
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expect(result.stdout.text).toBe('hi\n')
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expect(result.timeoutMs).toBe(5_000)
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})
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it('uses config cwd, overridable per call', async () => {
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const { bash } = await setup({ cwd: '/tmp' })
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const fromConfig = await bash.run(bash.resolve({ command: 'pwd' }))
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expect(fromConfig.stdout.text.trim()).toMatch(/\/tmp$/)
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const fromCall = await bash.run(bash.resolve({ command: 'pwd', workdir: '/' }))
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expect(fromCall.stdout.text.trim()).toBe('/')
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})
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it('defaults cwd to process.cwd()', async () => {
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const { bash } = await setup()
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const result = await bash.run(bash.resolve({ command: 'pwd' }))
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expect(result.stdout.text.trim()).toBe(process.cwd())
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})
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it('caps per-call timeouts at maxTimeoutMs', async () => {
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const { bash } = await setup({ timeoutMs: 1_000, maxTimeoutMs: 2_000 })
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const result = await bash.run(bash.resolve({ command: 'true', timeoutMs: 99_999 }))
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expect(result.timeoutMs).toBe(2_000)
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})
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it('rejects invalid numeric config and timeout overrides', async () => {
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await expect(setup({ timeoutMs: Number.NaN })).rejects.toThrow(/timeoutMs/)
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await expect(setup({ maxTimeoutMs: 0 })).rejects.toThrow(/maxTimeoutMs/)
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await expect(setup({ maxOutputBytes: -1 })).rejects.toThrow(/maxOutputBytes/)
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await expect(setup({ maxSpillBytes: 0 })).rejects.toThrow(/maxSpillBytes/)
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await expect(setup({ graceMs: 0 })).rejects.toThrow(/graceMs/)
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await expect(setup({ graceMs: MAX_TIMER_DELAY_MS + 1 }))
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.rejects.toThrow(`graceMs must be no greater than ${MAX_TIMER_DELAY_MS}`)
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const { bash } = await setup()
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expect(() => bash.resolve({ command: 'true', timeoutMs: Number.NaN })).toThrow(/request\.timeoutMs/)
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expect(() => bash.resolve({ command: 'true', timeoutMs: -1 })).toThrow(/request\.timeoutMs/)
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expect(() => bash.resolve({ command: 'true', stdoutMaxBytes: Number.NaN })).toThrow(/request\.stdoutMaxBytes/)
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expect(() => bash.resolve({ command: 'true', stdoutMaxBytes: -1 })).toThrow(/request\.stdoutMaxBytes/)
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})
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it('defaults stdoutMaxBytes to maxOutputBytes and lets foreground callers raise stdout only', async () => {
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const { bash } = await setup({ maxOutputBytes: 100 })
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expect(bash.resolve({ command: 'true' }).stdoutMaxBytes).toBe(100)
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const result = await bash.run(bash.resolve({
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command: 'printf "%.0sx" $(seq 1 500); printf "%.0se" $(seq 1 500) >&2',
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stdoutMaxBytes: 500,
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}))
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expect(result.stdout.truncated).toBe(false)
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expect(result.stdout.text).toBe('x'.repeat(500))
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expect(result.stderr.truncated).toBe(true)
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expect(result.stderr.text.length).toBeLessThanOrEqual(100)
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})
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it('per-call timeout takes precedence under the cap and kills on expiry', async () => {
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const { bash } = await setup({ timeoutMs: 60_000 })
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const result = await bash.run(bash.resolve({ command: 'sleep 60', timeoutMs: 100 }))
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expect(result.timedOut).toBe(true)
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// Mutually exclusive: a timeout classifies as timedOut, never also aborted.
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expect(result.aborted).toBe(false)
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expect(result.timeoutMs).toBe(100)
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})
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it('propagates abort signals', async () => {
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const { bash } = await setup()
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const controller = new AbortController()
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const pending = bash.run(bash.resolve({ command: 'sleep 60', signal: controller.signal }))
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setTimeout(() => { controller.abort() }, 50)
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const result = await pending
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expect(result.aborted).toBe(true)
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// Mutually exclusive: an upstream cancel classifies as aborted, never also timedOut.
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expect(result.timedOut).toBe(false)
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})
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it('classifies a self-killed command as neither timed out nor aborted', async () => {
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// The command kills itself (SIGTERM) with no timeout and no upstream abort:
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// the deadline signal never fires, so both classifications are false — the
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// fused-signal classification reports the cause that cut the command short,
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// and here nothing the executor owns did.
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const { bash } = await setup({ timeoutMs: 60_000 })
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const result = await bash.run(bash.resolve({ command: 'kill -TERM $$' }))
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expect(result.signal).toBe('SIGTERM')
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expect(result.timedOut).toBe(false)
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expect(result.aborted).toBe(false)
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})
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it('rejects on spawn failure (bad workdir)', async () => {
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const { bash } = await setup()
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await expect(bash.run(bash.resolve({ command: 'true', workdir: '/nonexistent-dsh' }))).rejects.toThrow(/ENOENT/)
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})
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it('resolve() carries stdin/env/dshEnv onto the spec, and run() threads them to the command', async () => {
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const { bash } = await setup()
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const spec = bash.resolve({
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command: 'cat; echo "[$SEAM_VAR][$DSH_SEAM_VAR]"',
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stdin: 'piped\n',
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env: { SEAM_VAR: 'env-ok' },
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dshEnv: { DSH_SEAM_VAR: 'dsh-ok' },
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})
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// resolve() keeps the optional input/environment fields verbatim.
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expect(spec.stdin).toBe('piped\n')
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expect(spec.env).toEqual({ SEAM_VAR: 'env-ok' })
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expect(spec.dshEnv).toEqual({ DSH_SEAM_VAR: 'dsh-ok' })
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const result = await bash.run(spec)
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expect(result.stdout.text).toBe('piped\n[env-ok][dsh-ok]\n')
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})
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it('resolve() omits stdin/env/dshEnv when the request supplies none', async () => {
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const { bash } = await setup()
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const spec = bash.resolve({ command: 'true' })
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expect('stdin' in spec).toBe(false)
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expect('env' in spec).toBe(false)
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expect('dshEnv' in spec).toBe(false)
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})
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})
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describe('LocalBashExecutor.start (background process handles)', () => {
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it('start returns immediately with a running handle that settles as completed', async () => {
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const { bash } = await setup()
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const before = Date.now()
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const proc = bash.start(bash.resolve({ command: 'sleep 0.2; echo done' }))
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expect(Date.now() - before).toBeLessThan(150)
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expect(proc.status).toBe('running')
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await proc.done
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expect(proc.status).toBe('completed')
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expect(proc.exitCode).toBe(0)
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})
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it('threads stdin and extra env into a background process', async () => {
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const { bash } = await setup()
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const proc = bash.start(bash.resolve({
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command: 'cat; echo "[$BG_VAR][$DSH_BG_VAR]"',
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stdin: 'bg-stdin\n',
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env: { BG_VAR: 'bg-env' },
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dshEnv: { DSH_BG_VAR: 'bg-dsh-env' },
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}))
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const output = await readUntil(proc, '[bg-env][bg-dsh-env]')
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expect(output).toContain('bg-stdin')
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await proc.done
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expect(proc.exitCode).toBe(0)
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})
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it('readOutput is consuming: increments are never re-delivered, and reads stay valid after exit', async () => {
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const { bash } = await setup()
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const proc = bash.start(bash.resolve({ command: 'echo first; sleep 1; echo second' }))
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const first = await readUntil(proc, 'first\n')
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expect(first).toBe('first\n')
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await proc.done
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// Read-after-exit returns the remaining buffered output — once.
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const second = proc.readOutput()
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expect(second.delta).toBe('second\n')
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expect(second.lossy).toBe(false)
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expect(proc.readOutput().delta).toBe('')
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})
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it('readOutput marks stderr sections', async () => {
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const { bash } = await setup()
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const proc = bash.start(bash.resolve({ command: 'echo out; echo err >&2' }))
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await proc.done
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expect(proc.readOutput().delta).toBe('out\n[stderr]\nerr\n')
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})
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it('readOutput reports stderr-only deltas without a leading newline', async () => {
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const { bash } = await setup()
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const proc = bash.start(bash.resolve({ command: 'echo err >&2' }))
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await proc.done
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expect(proc.readOutput().delta).toBe('[stderr]\nerr\n')
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})
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it('readOutput adds a separator only when stdout lacks a trailing newline', async () => {
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const { bash } = await setup()
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const proc = bash.start(bash.resolve({ command: 'printf out; echo err >&2' }))
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await proc.done
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expect(proc.readOutput().delta).toBe('out\n[stderr]\nerr\n')
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})
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it('readOutput flags lossy reads and reports stdout spill paths', async () => {
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const { bash } = await setup({ maxOutputBytes: 100 })
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const proc = bash.start(bash.resolve({ command: 'for i in $(seq 1 100); do printf "line-%04d\\n" $i; done' }))
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await proc.done
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const read = proc.readOutput()
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// Window slid past offset 0 → lossy, spill path points at the full stream.
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expect(read.lossy).toBe(true)
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expect(read.stdoutSpillPath).toBeDefined()
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})
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it('readOutput reports stderr spill paths', async () => {
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const { bash } = await setup({ maxOutputBytes: 100 })
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const proc = bash.start(bash.resolve({ command: 'for i in $(seq 1 100); do printf "line-%04d\\n" $i >&2; done' }))
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await proc.done
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const read = proc.readOutput()
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expect(read.lossy).toBe(true)
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expect(read.stderrSpillPath).toBeDefined()
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expect(read.delta).toContain('[stderr]')
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})
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it('kill() terminates the process group: true once, false after settlement', async () => {
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const { bash } = await setup()
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const proc = bash.start(bash.resolve({ command: 'sleep 60' }))
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expect(proc.kill()).toBe(true)
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await proc.done
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expect(proc.status).toBe('killed')
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expect(proc.signal).toBe('SIGTERM')
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expect(proc.kill()).toBe(false)
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})
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it('kill() returns false for a naturally completed process', async () => {
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const { bash } = await setup()
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const proc = bash.start(bash.resolve({ command: 'true' }))
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await proc.done
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expect(proc.status).toBe('completed')
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expect(proc.kill()).toBe(false)
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})
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it('kill escalation uses the configured graceMs (a TERM-trapping process dies by SIGKILL)', async () => {
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const { bash } = await setup() // setup pins graceMs: 200 via config
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// The child echoes AFTER arming the trap, so waiting for the marker
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// guarantees SIGTERM is already ignored when the kill lands (a fixed sleep
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// is load-flaky: a slow spawn would take the SIGTERM before the trap).
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const proc = bash.start(bash.resolve({ command: 'trap \'\' TERM; echo armed; sleep 60' }))
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await readUntil(proc, 'armed')
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proc.kill()
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await proc.done
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expect(proc.status).toBe('killed')
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expect(proc.signal).toBe('SIGKILL')
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})
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it('a spec.signal abort settles the handle as killed, not completed', async () => {
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const { bash } = await setup()
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const controller = new AbortController()
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const proc = bash.start(bash.resolve({ command: 'sleep 60', signal: controller.signal }))
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controller.abort()
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await proc.done
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expect(proc.status).toBe('killed')
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expect(proc.signal).toBe('SIGTERM')
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})
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it('a self-signal exit settles the handle as killed, not completed', async () => {
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const { bash } = await setup()
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const proc = bash.start(bash.resolve({ command: 'kill -TERM $$' }))
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await proc.done
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expect(proc.status).toBe('killed')
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expect(proc.exitCode).toBeNull()
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expect(proc.signal).toBe('SIGTERM')
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})
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it('a background spawn failure settles as killed with the error readable on stderr', async () => {
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const { bash } = await setup()
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const proc = bash.start(bash.resolve({ command: 'true', workdir: '/nonexistent-dsh' }))
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// done resolves (never rejects) even though the process never ran.
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await expect(proc.done).resolves.toBeUndefined()
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expect(proc.status).toBe('killed')
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expect(proc.readOutput().delta).toContain('spawn failed:')
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})
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})
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describe('process lifecycle ownership (the subprocess service, not the executor)', () => {
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it('a background process survives executor-fiber disposal and dies with the subprocess service', async () => {
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const ctx = new Context()
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const managerFiber = await ctx.plugin(LocalSubprocessService)
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;(ctx.subprocess as LocalSubprocessService).internals = { spillDir }
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const executorFiber = await ctx.plugin(LocalBashExecutor, { graceMs: 200 })
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const bash = ctx.bash as LocalBashExecutor
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// The child prints its own pid ($$ = the detached bash group leader) so
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// the test can probe liveness through the public read API alone.
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const proc = bash.start(bash.resolve({ command: 'echo $$; sleep 60' }))
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const pid = Number((await readUntil(proc, '\n')).trim())
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expect(Number.isInteger(pid) && pid > 0).toBe(true)
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// Executor reload/disposal leaves background work running — the
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// handle stays live and readable, mirroring the task runtime's
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// registrations-outlive-producer-fibers contract.
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await executorFiber.dispose()
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expect(proc.status).toBe('running')
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expect(() => process.kill(pid, 0)).not.toThrow()
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// Service disposal kills the group and AWAITS its exit (no orphans).
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await managerFiber.dispose()
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expect(() => process.kill(pid, 0)).toThrow()
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await proc.done
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expect(proc.status).toBe('killed')
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})
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it('service disposal escalates to SIGKILL for TERM-trapping children and settles handles', async () => {
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const ctx = new Context()
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const managerFiber = await ctx.plugin(LocalSubprocessService)
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;(ctx.subprocess as LocalSubprocessService).internals = { spillDir }
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await ctx.plugin(LocalBashExecutor, { graceMs: 200 })
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const bash = ctx.bash as LocalBashExecutor
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const finished = bash.start(bash.resolve({ command: 'echo done' }))
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await finished.done
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expect(finished.status).toBe('completed')
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const trapping = bash.start(bash.resolve({ command: 'trap \'\' TERM; echo armed; sleep 60' }))
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await readUntil(trapping, 'armed')
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await managerFiber.dispose()
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// A settled process was untouched; the live one died by escalation.
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expect(finished.status).toBe('completed')
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await trapping.done
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expect(trapping.status).toBe('killed')
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expect(trapping.signal).toBe('SIGKILL')
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})
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})
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