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deepseek-harness/packages/process/process-local/tests/manager.spec.ts
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import { describe, expect, it } from 'vitest'
import { Context } from 'cordis'
import LocalProcessManager from '@deepseek-ai/dsh-process-local'
import type { ProcessSpawnSpec } from '@deepseek-ai/dsh-process'
function spec(command: string, overrides: Partial<ProcessSpawnSpec> = {}): ProcessSpawnSpec {
return {
argv: ['bash', '-c', command],
cwd: process.cwd(),
stdoutMaxBytes: 64_000,
stderrMaxBytes: 64_000,
maxSpillBytes: 64 * 1024 * 1024,
graceMs: 200,
...overrides,
}
}
describe('LocalProcessManager', () => {
it('registers as ctx.processes and spawns managed handles', async () => {
const ctx = new Context()
const fiber = await ctx.plugin(LocalProcessManager)
const result = await ctx.processes.spawn(spec('echo managed')).done
expect(result.exitCode).toBe(0)
expect(result.stdout.text).toBe('managed\n')
await fiber.dispose()
})
it('disposal kills still-running processes and awaits their exit', async () => {
const ctx = new Context()
const fiber = await ctx.plugin(LocalProcessManager)
const handle = ctx.processes.spawn(spec('sleep 60'))
await fiber.dispose()
const outcome = await handle.done
expect(outcome.signal).toBe('SIGTERM')
})
it('a settled process leaves the live set (disposal does not re-kill it)', async () => {
const ctx = new Context()
const fiber = await ctx.plugin(LocalProcessManager)
const handle = ctx.processes.spawn(spec('true'))
const outcome = await handle.done
expect(outcome.exitCode).toBe(0)
await fiber.dispose()
})
it('disposal tolerates a handle whose spawn already failed', async () => {
const ctx = new Context()
const fiber = await ctx.plugin(LocalProcessManager)
const handle = ctx.processes.spawn(spec('true', { cwd: '/nonexistent-dir-dsh-manager-test' }))
await expect(handle.done).rejects.toThrow()
await fiber.dispose()
})
it('disposal contains a spawn-failure rejection that races teardown', async () => {
const ctx = new Context()
const fiber = await ctx.plugin(LocalProcessManager)
// Dispose before the rejection continuation removes the handle from the
// live set, so teardown itself must swallow the rejected done.
const handle = ctx.processes.spawn(spec('true', { cwd: '/nonexistent-dir-dsh-manager-test' }))
await fiber.dispose()
await expect(handle.done).rejects.toThrow()
})
it('loading a second implementation throws (one processes service per context — cordis standard)', async () => {
const ctx = new Context()
await ctx.plugin(LocalProcessManager)
class SecondManager extends LocalProcessManager {}
await expect(ctx.plugin(SecondManager)).rejects.toThrow(/service "processes" has been registered/)
})
})