823 lines
38 KiB
TypeScript
823 lines
38 KiB
TypeScript
import { describe, expect, it } from 'vitest'
|
|
import { Context } from 'cordis'
|
|
import { CallId } from '@deepseek-ai/dsh-llm'
|
|
import { createScope } from '@deepseek-ai/dsh-scope'
|
|
import type { Scope } from '@deepseek-ai/dsh-scope'
|
|
import SystemPrompt from '@deepseek-ai/dsh-system-prompt'
|
|
import { CodeRuntime } from '@deepseek-ai/dsh-code-runtime'
|
|
import type { CodeRunRequest, CodeRunResult } from '@deepseek-ai/dsh-code-runtime'
|
|
import ToolRegistry, { CodeRunFailedError, RUN_CODE_NAME, defineTool } from '@deepseek-ai/dsh-tools'
|
|
import type { Config, PostToolDecision, ToolExecutionResult } from '@deepseek-ai/dsh-tools'
|
|
import { AgentId } from '@deepseek-ai/dsh-agent'
|
|
import type { Agent } from '@deepseek-ai/dsh-agent'
|
|
import { Session, SessionId } from '@deepseek-ai/dsh-session'
|
|
import type { SessionEventMap } from '@deepseek-ai/dsh-session'
|
|
|
|
/**
|
|
* Code Mode unit tier (per the RFC's plan): provider contribution per mode,
|
|
* misconfiguration rejections, the run_code dispatch bridge (serialization,
|
|
* abort, JSON normalization, error mapping, events, quiescence), and HMR
|
|
* safety — all against an in-repo fake runtime, exactly the
|
|
* interface/implementation/consumer shape the seam promises.
|
|
*/
|
|
|
|
/** A scriptable in-repo CodeRuntime: each test sets `behavior` to drive the bindings however it needs. */
|
|
class FakeRuntime extends CodeRuntime {
|
|
readonly language: string
|
|
readonly isolation = 'fake'
|
|
behavior: (request: CodeRunRequest) => Promise<CodeRunResult> = () => Promise.resolve({ logs: [] })
|
|
lastRequest?: CodeRunRequest
|
|
|
|
constructor(ctx: Context, config: { language?: string } = {}) {
|
|
super(ctx)
|
|
this.language = config.language ?? 'typescript'
|
|
}
|
|
|
|
run(request: CodeRunRequest): Promise<CodeRunResult> {
|
|
this.lastRequest = request
|
|
return this.behavior(request)
|
|
}
|
|
}
|
|
|
|
interface SetupOptions {
|
|
mode?: Config['mode']
|
|
runtime?: false | { language?: string }
|
|
toolOrder?: string[]
|
|
}
|
|
|
|
async function setup(options: SetupOptions = {}) {
|
|
const ctx = new Context()
|
|
await ctx.plugin(SystemPrompt, { ...options.toolOrder ? { toolOrder: options.toolOrder } : {} })
|
|
await ctx.plugin(ToolRegistry, { mode: options.mode ?? 'code' })
|
|
let runtime: FakeRuntime | undefined
|
|
if (options.runtime !== false) {
|
|
await ctx.plugin(FakeRuntime, options.runtime ?? {})
|
|
runtime = ctx.codeRuntime as FakeRuntime
|
|
}
|
|
return { ctx, tools: ctx.tools, systemPrompt: ctx.systemPrompt, runtime: runtime! }
|
|
}
|
|
|
|
/** Mint one production-shaped agent scope that can register scoped tool policy. */
|
|
async function mintAgentScope(ctx: Context, name = 'scoped'): Promise<{ scope: Scope; agent: Agent }> {
|
|
const agent = { id: AgentId(name) } as Agent
|
|
let scope!: Scope
|
|
await ctx.plugin(Object.assign((inner: Context) => { scope = createScope(inner, agent) },
|
|
{ inject: ['tools', 'systemPrompt'] }))
|
|
return { scope, agent }
|
|
}
|
|
|
|
/** Register a trivial echo tool; returns the calls it received. */
|
|
function registerEcho(ctx: Context, name = 'echo'): unknown[] {
|
|
const calls: unknown[] = []
|
|
ctx.tools.register(defineTool({
|
|
name,
|
|
description: `Echo tool ${name}.`,
|
|
parameters: { value: { type: 'string', required: true } },
|
|
execute(args) {
|
|
calls.push(args)
|
|
return Promise.resolve([{ type: 'text' as const, text: `${name}:${args.value}` }])
|
|
},
|
|
}))
|
|
return calls
|
|
}
|
|
|
|
/** A structural fake of the owning agent: captures session appends. */
|
|
function fakeAgent(): { agent: Agent; events: { type: string; data: unknown }[] } {
|
|
const events: { type: string; data: unknown }[] = []
|
|
const agent = {
|
|
session: {
|
|
append: (type: string, data: unknown) => { events.push({ type, data }) },
|
|
},
|
|
} as unknown as Agent
|
|
return { agent, events }
|
|
}
|
|
|
|
/** Dispatch run_code through the registry pipeline, as the loop would. */
|
|
async function runCode(ctx: Context, code: string, extras: { agent?: Agent; signal?: AbortSignal } = {}): Promise<ToolExecutionResult> {
|
|
return ctx.tools.execute({
|
|
callId: CallId('call-1'),
|
|
name: RUN_CODE_NAME,
|
|
arguments: { code },
|
|
...extras.agent ? { agent: extras.agent } : {},
|
|
...extras.signal ? { signal: extras.signal } : {},
|
|
})
|
|
}
|
|
|
|
describe('mode-aware wire contribution', () => {
|
|
it("mode 'native' contributes every schema, no run_code, no SDK section — and needs no runtime", async () => {
|
|
const { ctx, systemPrompt } = await setup({ mode: 'native', runtime: false })
|
|
registerEcho(ctx)
|
|
const assembly = await systemPrompt.assemble()
|
|
expect(assembly.tools.map(tool => tool.name)).toEqual(['echo'])
|
|
expect(assembly.sections.some(section => section.name === 'tools:sdk')).toBe(false)
|
|
})
|
|
|
|
it("mode 'code' contributes exactly [run_code] plus the SDK section declaring the other tools", async () => {
|
|
const { ctx, systemPrompt } = await setup({ mode: 'code' })
|
|
registerEcho(ctx)
|
|
const assembly = await systemPrompt.assemble()
|
|
expect(assembly.tools.map(tool => tool.name)).toEqual([RUN_CODE_NAME])
|
|
const sdk = assembly.sections.find(section => section.name === 'tools:sdk')
|
|
expect(sdk?.text).toContain('declare const tools: {')
|
|
expect(sdk?.text).toContain('echo(args:')
|
|
expect(sdk?.text).not.toContain('run_code(args:')
|
|
})
|
|
|
|
it.each(['code', 'both'] as const)('restores Code Mode infrastructure after assembly listeners in mode %s', async (mode) => {
|
|
const { ctx, systemPrompt } = await setup({ mode })
|
|
registerEcho(ctx)
|
|
ctx.on('system-prompt/assemble', async (_assembly, _context, next) => {
|
|
const assembly = await next()
|
|
return {
|
|
...assembly,
|
|
sections: assembly.sections.filter(section => section.name !== 'tools:sdk'),
|
|
tools: assembly.tools.filter(tool => tool.name !== RUN_CODE_NAME),
|
|
}
|
|
}, { prepend: true })
|
|
|
|
const assembly = await systemPrompt.assemble()
|
|
expect(assembly.sections.some(section => section.name === 'tools:sdk')).toBe(true)
|
|
expect(assembly.tools.some(tool => tool.name === RUN_CODE_NAME)).toBe(true)
|
|
})
|
|
|
|
it("mode 'both' contributes every native schema plus run_code, and the SDK section", async () => {
|
|
const { ctx, systemPrompt } = await setup({ mode: 'both' })
|
|
registerEcho(ctx)
|
|
const assembly = await systemPrompt.assemble()
|
|
expect(assembly.tools.map(tool => tool.name)).toEqual(['echo', RUN_CODE_NAME])
|
|
expect(assembly.sections.some(section => section.name === 'tools:sdk')).toBe(true)
|
|
})
|
|
|
|
it.each(['code', 'both'] as const)('keeps the run_code transport outside scoped allow-list filtering in mode %s', async (mode) => {
|
|
const { ctx, systemPrompt, runtime } = await setup({ mode })
|
|
registerEcho(ctx, 'echo')
|
|
registerEcho(ctx, 'hidden')
|
|
const { scope, agent } = await mintAgentScope(ctx)
|
|
const lift = scope.ctx.tools.restrict({ allow: ['echo'] })
|
|
|
|
const assembly = await systemPrompt.assemble({ scope: agent })
|
|
expect(assembly.tools.map(tool => tool.name)).toEqual(mode === 'code'
|
|
? [RUN_CODE_NAME]
|
|
: ['echo', RUN_CODE_NAME])
|
|
const sdk = assembly.sections.find(section => section.name === 'tools:sdk')?.text
|
|
expect(sdk).toContain('echo(args:')
|
|
expect(sdk).not.toContain('hidden(args:')
|
|
|
|
runtime.behavior = request => Promise.resolve({
|
|
logs: [],
|
|
value: Object.keys(request.bindings[0]!.functions).sort().join(','),
|
|
})
|
|
const result = await runCode(ctx, 'return Object.keys(tools)', { agent })
|
|
expect(result.isError).toBe(false)
|
|
expect(result.content).toEqual([{ type: 'text', text: 'echo' }])
|
|
|
|
await lift()
|
|
const unrestricted = await systemPrompt.assemble({ scope: agent })
|
|
expect(unrestricted.tools.map(tool => tool.name)).toEqual(mode === 'code'
|
|
? [RUN_CODE_NAME]
|
|
: ['echo', 'hidden', RUN_CODE_NAME])
|
|
})
|
|
|
|
it.each(['code', 'both'] as const)('keeps the run_code transport outside scoped deny-list filtering in mode %s', async (mode) => {
|
|
const { ctx, systemPrompt, runtime } = await setup({ mode })
|
|
registerEcho(ctx, 'denied')
|
|
registerEcho(ctx, 'kept')
|
|
const { scope, agent } = await mintAgentScope(ctx)
|
|
scope.ctx.tools.restrict({ deny: ['denied'] })
|
|
|
|
const assembly = await systemPrompt.assemble({ scope: agent })
|
|
expect(assembly.tools.map(tool => tool.name)).toEqual(mode === 'code'
|
|
? [RUN_CODE_NAME]
|
|
: ['kept', RUN_CODE_NAME])
|
|
const sdk = assembly.sections.find(section => section.name === 'tools:sdk')?.text
|
|
expect(sdk).not.toContain('denied(args:')
|
|
expect(sdk).toContain('kept(args:')
|
|
|
|
runtime.behavior = request => Promise.resolve({
|
|
logs: [],
|
|
value: Object.keys(request.bindings[0]!.functions).sort().join(','),
|
|
})
|
|
const result = await runCode(ctx, 'return Object.keys(tools)', { agent })
|
|
expect(result.isError).toBe(false)
|
|
expect(result.content).toEqual([{ type: 'text', text: 'kept' }])
|
|
})
|
|
|
|
it.each(['code', 'both'] as const)('reserves run_code against scoped shadows and explicit restrictions in mode %s', async (mode) => {
|
|
const { ctx, systemPrompt } = await setup({ mode })
|
|
const { scope, agent } = await mintAgentScope(ctx)
|
|
const impostor = defineTool({
|
|
name: RUN_CODE_NAME,
|
|
description: 'Scoped impostor.',
|
|
parameters: {},
|
|
execute: () => Promise.resolve([{ type: 'text' as const, text: 'impostor' }]),
|
|
})
|
|
|
|
expect(() => scope.ctx.tools.register(impostor)).toThrow(/reserved for the Code Mode presentation transport/)
|
|
expect(() => ctx.tools.register(impostor)).toThrow(/reserved for the Code Mode presentation transport/)
|
|
expect(() => scope.ctx.systemPrompt.section({ name: 'tools:sdk', order: -999, text: 'malicious SDK' }))
|
|
.toThrow(/globally protected and cannot be shadowed/)
|
|
expect(() => scope.ctx.tools.restrict({ allow: [RUN_CODE_NAME] })).toThrow(/cannot name reserved Code Mode presentation transport/)
|
|
expect(() => scope.ctx.tools.restrict({ deny: [RUN_CODE_NAME] })).toThrow(/cannot name reserved Code Mode presentation transport/)
|
|
const transport = ctx.tools.get(RUN_CODE_NAME)!
|
|
expect(Object.isFrozen(transport)).toBe(true)
|
|
expect(Object.isFrozen(transport.parameters)).toBe(true)
|
|
expect(() => { transport.name = 'mutated_transport' }).toThrow(TypeError)
|
|
|
|
const mutableSection = { name: 'scoped-note', order: 149, text: 'safe note' }
|
|
scope.ctx.systemPrompt.section(mutableSection)
|
|
mutableSection.name = 'tools:sdk'
|
|
mutableSection.text = 'mutated SDK'
|
|
const mutableTool = defineTool({
|
|
name: 'scoped_safe',
|
|
description: 'Safe scoped tool.',
|
|
parameters: {},
|
|
execute: () => Promise.resolve([{ type: 'text' as const, text: 'safe' }]),
|
|
})
|
|
scope.ctx.tools.register(mutableTool)
|
|
mutableTool.name = RUN_CODE_NAME
|
|
mutableTool.description = 'Mutated transport impostor.'
|
|
const stored = ctx.tools.get('scoped_safe', agent)!
|
|
expect(Object.isFrozen(stored)).toBe(true)
|
|
expect(Object.isFrozen(stored.parameters)).toBe(true)
|
|
expect(() => { stored.name = RUN_CODE_NAME }).toThrow(TypeError)
|
|
|
|
const assembly = await systemPrompt.assemble({ scope: agent })
|
|
const transports = assembly.tools.filter(tool => tool.name === RUN_CODE_NAME)
|
|
expect(transports).toHaveLength(1)
|
|
expect(transports[0]?.description).toContain('Execute a TypeScript program')
|
|
expect(assembly.sections.find(section => section.name === 'tools:sdk')?.text).not.toContain('mutated SDK')
|
|
expect(assembly.sections.find(section => section.name === 'scoped-note')?.text).toBe('safe note')
|
|
expect(assembly.sections.find(section => section.name === 'tools:sdk')?.text).toContain('scoped_safe(args:')
|
|
expect(ctx.tools.get(RUN_CODE_NAME, agent)).toBe(ctx.tools.get(RUN_CODE_NAME))
|
|
expect(ctx.tools.knownNames(agent)).not.toContain(RUN_CODE_NAME)
|
|
const result = await runCode(ctx, 'return 1', { agent })
|
|
expect(result.content).toEqual([{ type: 'text', text: '(run_code completed with no output)' }])
|
|
})
|
|
|
|
it.each(['code', 'both'] as const)('keeps run_code in the toolOrder universe without exposing it as a restriction target in mode %s', async (mode) => {
|
|
const { ctx, systemPrompt } = await setup({
|
|
mode,
|
|
toolOrder: [RUN_CODE_NAME, '<unlisted-tools>'],
|
|
})
|
|
registerEcho(ctx)
|
|
const { agent } = await mintAgentScope(ctx)
|
|
|
|
expect(ctx.tools.knownNames(agent)).toEqual(['echo'])
|
|
const assembly = await systemPrompt.assemble({ scope: agent })
|
|
expect(assembly.tools.map(tool => tool.name)).toEqual(mode === 'code'
|
|
? [RUN_CODE_NAME]
|
|
: [RUN_CODE_NAME, 'echo'])
|
|
})
|
|
|
|
it("never exposes run_code to programs, even under mode 'both' (no recursive dispatch path)", async () => {
|
|
const { ctx, runtime } = await setup({ mode: 'both' })
|
|
registerEcho(ctx)
|
|
runtime.behavior = (request) => {
|
|
const functions = request.bindings[0]!.functions
|
|
return Promise.resolve({
|
|
logs: [],
|
|
value: JSON.stringify({
|
|
names: Object.keys(functions).sort(),
|
|
// Own-property AND prototype-chain reads both come back empty —
|
|
// there is no handle a program could re-enter run_code through.
|
|
runCode: String(functions[RUN_CODE_NAME]),
|
|
}),
|
|
})
|
|
}
|
|
const result = await runCode(ctx, 'program')
|
|
expect(result.isError).toBe(false)
|
|
expect(JSON.parse((result.content[0] as { text: string }).text)).toEqual({ names: ['echo'], runCode: 'undefined' })
|
|
})
|
|
|
|
it('renders byte-identical SDK text across consecutive assemblies of an unchanged tool set', async () => {
|
|
const { ctx, systemPrompt } = await setup({ mode: 'code' })
|
|
registerEcho(ctx)
|
|
const first = await systemPrompt.assemble()
|
|
const second = await systemPrompt.assemble()
|
|
const text = (assembly: typeof first) => assembly.sections.find(section => section.name === 'tools:sdk')?.text
|
|
expect(text(first)).toBe(text(second))
|
|
})
|
|
|
|
it('rejects every assembly when a non-native mode has no code runtime', async () => {
|
|
const { systemPrompt } = await setup({ mode: 'code', runtime: false })
|
|
await expect(systemPrompt.assemble()).rejects.toThrow(/requires a code runtime/)
|
|
})
|
|
|
|
it("rejects every assembly when the runtime's language is not typescript", async () => {
|
|
const { systemPrompt } = await setup({ mode: 'code', runtime: { language: 'python' } })
|
|
await expect(systemPrompt.assemble()).rejects.toThrow(/language is "python"/)
|
|
})
|
|
|
|
it("rejects the assembly when toolOrder names a native tool that mode 'code' no longer contributes", async () => {
|
|
const { ctx, systemPrompt } = await setup({ mode: 'code', toolOrder: ['echo', '<unlisted-tools>'] })
|
|
registerEcho(ctx)
|
|
await expect(systemPrompt.assemble()).rejects.toThrow(/toolOrder lists unregistered tool "echo"/)
|
|
})
|
|
|
|
it('removes run_code and the SDK section when the registry fiber disposes (HMR safety)', async () => {
|
|
const ctx = new Context()
|
|
await ctx.plugin(SystemPrompt, {})
|
|
await ctx.plugin(FakeRuntime, {})
|
|
const fiber = await ctx.plugin(ToolRegistry, { mode: 'code' })
|
|
expect(ctx.tools.get(RUN_CODE_NAME)).toBeDefined()
|
|
await fiber.dispose()
|
|
const assembly = await ctx.systemPrompt.assemble()
|
|
expect(assembly.tools).toEqual([])
|
|
expect(assembly.sections.some(section => section.name === 'tools:sdk')).toBe(false)
|
|
})
|
|
})
|
|
|
|
describe('the run_code dispatch bridge', () => {
|
|
it('bridges tool calls, returns only the curated output, and logs one event per dispatch', async () => {
|
|
const { ctx, runtime } = await setup({ mode: 'code' })
|
|
const calls = registerEcho(ctx)
|
|
const { agent, events } = fakeAgent()
|
|
runtime.behavior = async (request) => {
|
|
const tools = request.bindings[0]!.functions
|
|
const first = await tools.echo!({ value: 'one' })
|
|
const second = await tools.echo!({ value: 'two' })
|
|
return { logs: [{ source: 'console', level: 'log', text: `saw ${String(first)}` }], value: second }
|
|
}
|
|
const result = await runCode(ctx, 'const …: string = …', { agent })
|
|
expect(result.isError).toBe(false)
|
|
expect(result.content).toEqual([{ type: 'text', text: 'saw echo:one\necho:two' }])
|
|
expect(calls).toEqual([{ value: 'one' }, { value: 'two' }])
|
|
const dispatches = events.filter(event => event.type === 'tool/code-dispatch')
|
|
expect(dispatches.map(event => event.data)).toEqual([
|
|
{ parentCallId: 'call-1', subCallId: 'call-1:code:1', name: 'echo', arguments: { value: 'one' }, isError: false, resultSummary: 'echo:one' },
|
|
{ parentCallId: 'call-1', subCallId: 'call-1:code:2', name: 'echo', arguments: { value: 'two' }, isError: false, resultSummary: 'echo:two' },
|
|
])
|
|
expect(result.meta).toEqual({ logs: [{ source: 'console', level: 'log', text: 'saw echo:one' }], dispatches: 2 })
|
|
})
|
|
|
|
it('exposes only an opaque parent token to nested result observers', async () => {
|
|
const { ctx, runtime } = await setup({ mode: 'code' })
|
|
registerEcho(ctx)
|
|
runtime.behavior = async (request) => {
|
|
await request.bindings[0]!.functions.echo!({ value: 'nested' })
|
|
return { logs: [], value: 'done' }
|
|
}
|
|
|
|
// Model a timeout-style outer wrapper: it temporarily installs a signal,
|
|
// delegates, then restores the exact prior shape. A nested result observer
|
|
// is observe-only and must not receive the live outer execution object;
|
|
// freezing the correlation value it sees therefore cannot break restore.
|
|
ctx.on('tools/execute', async (exec, next) => {
|
|
if (exec.name !== RUN_CODE_NAME) return next()
|
|
const previous = exec.signal
|
|
exec.signal = new AbortController().signal
|
|
const result = await next()
|
|
if (previous === undefined) delete exec.signal
|
|
else exec.signal = previous
|
|
return result
|
|
})
|
|
ctx.on('tools/result', (exec) => {
|
|
if (exec.parent !== undefined) Object.freeze(exec.parent)
|
|
})
|
|
|
|
const result = await runCode(ctx, 'await tools.echo({ value: "nested" })')
|
|
expect(result.isError).toBe(false)
|
|
expect(result.content).toEqual([{ type: 'text', text: 'done' }])
|
|
})
|
|
|
|
it('serializes Promise.all dispatches: tool executions never overlap, in submission order', async () => {
|
|
const { ctx, runtime } = await setup({ mode: 'code' })
|
|
const intervals: [string, string][] = []
|
|
let active = 0
|
|
ctx.tools.register(defineTool({
|
|
name: 'probe',
|
|
description: 'Records execution overlap.',
|
|
parameters: { id: { type: 'string', required: true } },
|
|
async execute(args) {
|
|
active++
|
|
expect(active, 'probe executions overlapped').toBe(1)
|
|
intervals.push(['enter', args.id])
|
|
await new Promise(resolve => setTimeout(resolve, 20))
|
|
intervals.push(['exit', args.id])
|
|
active--
|
|
return [{ type: 'text' as const, text: args.id }]
|
|
},
|
|
}))
|
|
runtime.behavior = async (request) => {
|
|
const tools = request.bindings[0]!.functions
|
|
const values = await Promise.all([tools.probe!({ id: 'a' }), tools.probe!({ id: 'b' }), tools.probe!({ id: 'c' })])
|
|
return { logs: [], value: values.join(',') }
|
|
}
|
|
const result = await runCode(ctx, 'program')
|
|
expect(result.isError).toBe(false)
|
|
expect(intervals).toEqual([
|
|
['enter', 'a'], ['exit', 'a'],
|
|
['enter', 'b'], ['exit', 'b'],
|
|
['enter', 'c'], ['exit', 'c'],
|
|
])
|
|
expect(result.content[0]).toEqual({ type: 'text', text: 'a,b,c' })
|
|
})
|
|
|
|
it('rejects the program-side call when the tool errors, with the tool error text', async () => {
|
|
const { ctx, runtime } = await setup({ mode: 'code' })
|
|
ctx.tools.register(defineTool({
|
|
name: 'fail',
|
|
description: 'Always fails.',
|
|
parameters: {},
|
|
execute(): Promise<never> { return Promise.reject(new Error('deliberate failure')) },
|
|
}))
|
|
runtime.behavior = async (request) => {
|
|
try {
|
|
await request.bindings[0]!.functions.fail!({})
|
|
return { logs: [], value: 'unreachable' }
|
|
} catch (error: unknown) {
|
|
return { logs: [], value: `caught: ${error instanceof Error ? error.message : String(error)}` }
|
|
}
|
|
}
|
|
const result = await runCode(ctx, 'program')
|
|
expect(result.content[0]).toEqual({ type: 'text', text: 'caught: Error: deliberate failure' })
|
|
})
|
|
|
|
it('a tools/pre-execute deny reaches the program as a binding rejection', async () => {
|
|
const { ctx, runtime } = await setup({ mode: 'code' })
|
|
registerEcho(ctx)
|
|
ctx.on('tools/pre-execute', (exec, next) => {
|
|
if (exec.name === 'echo') return Promise.resolve({ kind: 'deny' as const, reason: 'not on my watch' })
|
|
return next()
|
|
})
|
|
runtime.behavior = async (request) => {
|
|
try {
|
|
await request.bindings[0]!.functions.echo!({ value: 'x' })
|
|
return { logs: [], value: 'unreachable' }
|
|
} catch (error: unknown) {
|
|
return { logs: [], value: `denied: ${error instanceof Error ? error.message : String(error)}` }
|
|
}
|
|
}
|
|
const result = await runCode(ctx, 'program')
|
|
expect(result.content[0]?.type).toBe('text')
|
|
expect((result.content[0] as { text: string }).text).toContain('not on my watch')
|
|
})
|
|
|
|
it('rejects a binding argument that does not survive JSON normalization, dispatching nothing', async () => {
|
|
const { ctx, runtime } = await setup({ mode: 'code' })
|
|
const calls = registerEcho(ctx)
|
|
const { agent, events } = fakeAgent()
|
|
runtime.behavior = async (request) => {
|
|
try {
|
|
await request.bindings[0]!.functions.echo!({ value: 'x', big: 1n })
|
|
return { logs: [], value: 'unreachable' }
|
|
} catch (error: unknown) {
|
|
return { logs: [], value: error instanceof Error ? error.message : String(error) }
|
|
}
|
|
}
|
|
const result = await runCode(ctx, 'program', { agent })
|
|
expect((result.content[0] as { text: string }).text).toContain('JSON-serializable')
|
|
expect(calls).toEqual([])
|
|
expect(events.filter(event => event.type === 'tool/code-dispatch')).toEqual([])
|
|
})
|
|
|
|
it('dispatches the JSON-normalized value: what the tool sees is what the event logs', async () => {
|
|
const { ctx, runtime } = await setup({ mode: 'code' })
|
|
const calls = registerEcho(ctx)
|
|
const { agent, events } = fakeAgent()
|
|
runtime.behavior = async (request) => {
|
|
// A Date survives structured clone but is not JSON; the bridge
|
|
// normalizes it to its JSON form (an ISO string) BEFORE dispatch.
|
|
await request.bindings[0]!.functions.echo!({ value: 'x', when: new Date(0) }).catch(() => undefined)
|
|
return { logs: [] }
|
|
}
|
|
await runCode(ctx, 'program', { agent })
|
|
expect(calls).toEqual([{ value: 'x', when: '1970-01-01T00:00:00.000Z' }])
|
|
const dispatch = events.find(event => event.type === 'tool/code-dispatch')?.data as SessionEventMap['tool/code-dispatch']
|
|
expect(dispatch.arguments).toEqual({ value: 'x', when: '1970-01-01T00:00:00.000Z' })
|
|
})
|
|
|
|
it('suppresses sub-call additionalContext (deliberately; pinned)', async () => {
|
|
const { ctx, runtime } = await setup({ mode: 'code' })
|
|
registerEcho(ctx)
|
|
ctx.on('tools/post-execute', (exec, _result, next): Promise<PostToolDecision> => {
|
|
if (exec.name === 'echo') {
|
|
return Promise.resolve({
|
|
kind: 'accept' as const,
|
|
additionalContext: { content: [{ type: 'text' as const, text: 'context for the next request' }], source: { kind: 'plugin' as const, plugin: 'test' } },
|
|
})
|
|
}
|
|
return next()
|
|
})
|
|
runtime.behavior = async (request) => {
|
|
await request.bindings[0]!.functions.echo!({ value: 'x' })
|
|
return { logs: [], value: 'done' }
|
|
}
|
|
const result = await runCode(ctx, 'program')
|
|
expect(result.isError).toBe(false)
|
|
// The sub-call's context has no safe outlet mid-run; the parent result
|
|
// must not carry it either.
|
|
expect(result.additionalContext).toBeUndefined()
|
|
})
|
|
|
|
it('converts a failed run into a structured isError result carrying kind, message, and captured logs', async () => {
|
|
const { ctx, runtime } = await setup({ mode: 'code' })
|
|
runtime.behavior = () => Promise.resolve({
|
|
logs: [{ source: 'console', level: 'log', text: 'got this far' }],
|
|
error: { kind: 'timeout', message: 'compute budget exhausted (300ms busy)' },
|
|
})
|
|
const result = await runCode(ctx, 'program')
|
|
expect(result.isError).toBe(true)
|
|
expect(result.error).toEqual({ name: 'CodeRunFailedError', code: 'CODE_RUN_FAILED' })
|
|
const text = (result.content[0] as { text: string }).text
|
|
expect(text).toContain('code run failed (timeout)')
|
|
expect(text).toContain('compute budget exhausted')
|
|
expect(text).toContain('got this far')
|
|
})
|
|
|
|
it('CodeRunFailedError is a HarnessError with the CODE_RUN_FAILED code', () => {
|
|
const error = new CodeRunFailedError('boom')
|
|
expect(error.code).toBe('CODE_RUN_FAILED')
|
|
expect(error.name).toBe('CodeRunFailedError')
|
|
})
|
|
|
|
it('aborting the outer signal aborts the in-flight sub-dispatch and abandons queued ones', async () => {
|
|
const { ctx, runtime } = await setup({ mode: 'code' })
|
|
const seen: string[] = []
|
|
let sawAbort = false
|
|
ctx.tools.register(defineTool({
|
|
name: 'slow',
|
|
description: 'Slow tool observing its signal.',
|
|
parameters: { id: { type: 'string', required: true } },
|
|
async execute(args, exec) {
|
|
seen.push(args.id)
|
|
await new Promise<void>((resolve) => {
|
|
const timer = setTimeout(resolve, 500)
|
|
exec.signal?.addEventListener('abort', () => { sawAbort = true; clearTimeout(timer); resolve() }, { once: true })
|
|
})
|
|
return [{ type: 'text' as const, text: args.id }]
|
|
},
|
|
}))
|
|
const controller = new AbortController()
|
|
runtime.behavior = async (request) => {
|
|
const tools = request.bindings[0]!.functions
|
|
const calls = [tools.slow!({ id: 'first' }).catch(() => 'rejected'), tools.slow!({ id: 'second' }).catch(() => 'rejected')]
|
|
setTimeout(() => { controller.abort('user-cancel') }, 50)
|
|
await Promise.all(calls)
|
|
// A real runtime would be terminated by the abort; the fake honors the
|
|
// contract by reporting the abort as the run failure.
|
|
return { logs: [], error: { kind: 'abort', message: 'user-cancel' } }
|
|
}
|
|
const result = await runCode(ctx, 'program', { signal: controller.signal })
|
|
expect(result.isError).toBe(true)
|
|
expect((result.content[0] as { text: string }).text).toContain('code run failed (abort)')
|
|
expect(seen).toEqual(['first'])
|
|
expect(sawAbort).toBe(true)
|
|
})
|
|
|
|
it('a runtime that starts a binding call and then REJECTS still reaches quiescence before returning', async () => {
|
|
const { ctx, runtime } = await setup({ mode: 'code' })
|
|
const { agent, events } = fakeAgent()
|
|
let sawAbort = false
|
|
let started!: () => void
|
|
const inFlight = new Promise<void>((resolve) => { started = resolve })
|
|
ctx.tools.register(defineTool({
|
|
name: 'slow',
|
|
description: 'Slow tool observing its signal.',
|
|
parameters: { id: { type: 'string', required: true } },
|
|
async execute(args, exec) {
|
|
started()
|
|
await new Promise<void>((resolve) => {
|
|
const timer = setTimeout(resolve, 500)
|
|
exec.signal?.addEventListener('abort', () => { sawAbort = true; clearTimeout(timer); resolve() }, { once: true })
|
|
})
|
|
return [{ type: 'text' as const, text: args.id }]
|
|
},
|
|
}))
|
|
runtime.behavior = async (request) => {
|
|
// Start a sub-dispatch, keep its rejection held, and fail the run once
|
|
// the tool is genuinely in flight — a seam error AFTER work has begun.
|
|
// The bridge's settlement still owes quiescence: without the finally,
|
|
// run_code would return now and the slow tool would finish (and log)
|
|
// afterwards.
|
|
request.bindings[0]!.functions.slow!({ id: 'orphan' }).catch(() => 'held')
|
|
await inFlight
|
|
throw new Error('backend exploded')
|
|
}
|
|
const result = await runCode(ctx, 'program', { agent })
|
|
expect(result.isError).toBe(true)
|
|
expect((result.content[0] as { text: string }).text).toContain('backend exploded')
|
|
// Quiescence held: the in-flight sub-dispatch was aborted and its event
|
|
// logged INSIDE the run_code execution, not after it returned.
|
|
expect(sawAbort).toBe(true)
|
|
expect(events.filter(event => event.type === 'tool/code-dispatch').map(event => (event.data as { name: string }).name)).toEqual(['slow'])
|
|
})
|
|
|
|
it('runs without an owning agent: dispatches work, event logging is skipped', async () => {
|
|
const { ctx, runtime } = await setup({ mode: 'code' })
|
|
const calls = registerEcho(ctx)
|
|
runtime.behavior = async (request) => {
|
|
await request.bindings[0]!.functions.echo!({ value: 'x' })
|
|
return { logs: [], value: 'ok' }
|
|
}
|
|
const result = await runCode(ctx, 'program')
|
|
expect(result.isError).toBe(false)
|
|
expect(calls).toEqual([{ value: 'x' }])
|
|
})
|
|
|
|
it('executing run_code under a missing runtime is a structured isError, not a crash', async () => {
|
|
const ctx = new Context()
|
|
await ctx.plugin(SystemPrompt, {})
|
|
await ctx.plugin(ToolRegistry, { mode: 'code' })
|
|
const result = await runCode(ctx, 'program')
|
|
expect(result.isError).toBe(true)
|
|
expect((result.content[0] as { text: string }).text).toContain('requires a code runtime')
|
|
})
|
|
|
|
it('presents the PROGRAM as the execute-card title on both call and result (the one slot execute cards always show)', async () => {
|
|
const { ctx } = await setup({ mode: 'code' })
|
|
const tool = ctx.tools.get(RUN_CODE_NAME)!
|
|
// The program IS the title, mirroring how command tools title their cards
|
|
// with the command: an ACP client's execute-card header is the only
|
|
// always-visible slot (Zed renders no body content and no raw input for
|
|
// execute-kind cards without a real terminal).
|
|
expect(tool.presentCall?.({ code: 'return 1' })).toEqual({
|
|
card: 'generic',
|
|
title: 'return 1',
|
|
kind: 'execute',
|
|
rawInput: 'return 1',
|
|
})
|
|
const view = tool.presentResult?.({ code: 'return 1' }, {
|
|
content: [{ type: 'text', text: 'model-facing' }],
|
|
isError: false,
|
|
meta: { logs: [{ source: 'console', level: 'log', text: 'printed' }], dispatches: 1 },
|
|
})
|
|
// The result omits the title — an update replaces only provided fields,
|
|
// so the pending card's program title persists through completion.
|
|
expect(view).toEqual({
|
|
card: 'generic',
|
|
content: [{ type: 'text', text: 'printed' }],
|
|
})
|
|
// No captured output → no content either; everything pending persists.
|
|
expect(tool.presentResult?.({ code: 'x' }, { content: [], isError: false, meta: { logs: [], dispatches: 2 } }))
|
|
.toEqual({ card: 'generic' })
|
|
// Replay with an unrecognizable meta falls back to the generic rendering.
|
|
expect(tool.presentResult?.({ code: 'x' }, { content: [], isError: false, meta: { other: true } })).toBeUndefined()
|
|
expect(tool.presentResult?.({ code: 'x' }, { content: [], isError: false })).toBeUndefined()
|
|
})
|
|
|
|
it('renders non-text sub-result blocks as placeholders and truncates long event summaries', async () => {
|
|
const { ctx, runtime } = await setup({ mode: 'code' })
|
|
const { agent, events } = fakeAgent()
|
|
const long = 'x'.repeat(300)
|
|
ctx.tools.register(defineTool({
|
|
name: 'mixed',
|
|
description: 'Returns mixed content.',
|
|
parameters: {},
|
|
execute() {
|
|
return Promise.resolve([
|
|
{ type: 'text' as const, text: long },
|
|
{ type: 'reasoning' as const, text: 'hidden' },
|
|
])
|
|
},
|
|
}))
|
|
runtime.behavior = async (request) => {
|
|
const value = await request.bindings[0]!.functions.mixed!({})
|
|
return { logs: [], value }
|
|
}
|
|
const result = await runCode(ctx, 'program', { agent })
|
|
expect(result.isError).toBe(false)
|
|
expect((result.content[0] as { text: string }).text).toBe(`${long}\n[reasoning content]`)
|
|
const dispatch = events.find(event => event.type === 'tool/code-dispatch')?.data as SessionEventMap['tool/code-dispatch']
|
|
expect(dispatch.resultSummary.length).toBe(201)
|
|
expect(dispatch.resultSummary.endsWith('…')).toBe(true)
|
|
})
|
|
|
|
it('rejects undefined, JSON-throwing, and JSON-unrepresentable binding arguments BEFORE dispatch', async () => {
|
|
const { ctx, runtime } = await setup({ mode: 'code' })
|
|
const calls = registerEcho(ctx)
|
|
const { agent, events } = fakeAgent()
|
|
runtime.behavior = async (request) => {
|
|
const echo = request.bindings[0]!.functions.echo!
|
|
const catchMessage = (promise: Promise<unknown>) => promise.then(() => 'resolved', (error: unknown) => error instanceof Error ? error.message : String(error))
|
|
return {
|
|
logs: [],
|
|
value: [
|
|
// Root undefined must reject up front: the event log rejects it as
|
|
// data, and nothing may execute unlogged.
|
|
await catchMessage(echo(undefined)),
|
|
// A toJSON that throws a NON-Error propagates out of JSON.stringify.
|
|
await catchMessage(echo({ toJSON() { throw 'raw-throw' } })),
|
|
// A bare function is a value JSON cannot represent at all.
|
|
await catchMessage(echo(() => 1)),
|
|
].join(' | '),
|
|
}
|
|
}
|
|
const result = await runCode(ctx, 'program', { agent })
|
|
const text = (result.content[0] as { text: string }).text
|
|
expect(text).toContain('call the tool with an arguments object')
|
|
expect(text).toContain('JSON-serializable: raw-throw')
|
|
expect(text).toContain('a value JSON cannot represent')
|
|
// None of the three dispatched, none logged.
|
|
expect(calls).toEqual([])
|
|
expect(events.filter(event => event.type === 'tool/code-dispatch')).toEqual([])
|
|
})
|
|
|
|
it('gives the tool and durable log the same immutable argument value', async () => {
|
|
const { ctx, runtime } = await setup({ mode: 'code' })
|
|
const { agent, events } = fakeAgent()
|
|
let mutationSucceeded: boolean | undefined
|
|
ctx.tools.register(defineTool({
|
|
name: 'mutator',
|
|
description: 'Attempts to mutate its args object.',
|
|
parameters: { list: { type: 'array', required: true } },
|
|
execute(args) {
|
|
mutationSucceeded = Reflect.set(args.list, 1, 'injected-by-tool')
|
|
return Promise.resolve([{ type: 'text' as const, text: 'protected' }])
|
|
},
|
|
}))
|
|
runtime.behavior = async (request) => {
|
|
await request.bindings[0]!.functions.mutator!({ list: ['original'] })
|
|
return { logs: [] }
|
|
}
|
|
const result = await runCode(ctx, 'program', { agent })
|
|
expect(result.isError).toBe(false)
|
|
expect(mutationSucceeded).toBe(false)
|
|
const dispatch = events.find(event => event.type === 'tool/code-dispatch')?.data as SessionEventMap['tool/code-dispatch']
|
|
expect(dispatch.arguments).toEqual({ list: ['original'] })
|
|
})
|
|
|
|
it('exposes a tool named __proto__ as an ordinary own binding', async () => {
|
|
const { ctx, runtime } = await setup({ mode: 'code' })
|
|
ctx.tools.register(defineTool({
|
|
name: '__proto__',
|
|
description: 'A prototype-colliding tool name.',
|
|
parameters: {},
|
|
execute() { return Promise.resolve([{ type: 'text' as const, text: 'proto-tool-ok' }]) },
|
|
}))
|
|
runtime.behavior = async (request) => {
|
|
const functions = request.bindings[0]!.functions
|
|
expect(Object.getPrototypeOf(functions)).toBeNull()
|
|
const value = await functions['__proto__']!({})
|
|
return { logs: [], value }
|
|
}
|
|
const result = await runCode(ctx, 'program')
|
|
expect(result.isError).toBe(false)
|
|
expect(result.content[0]).toEqual({ type: 'text', text: 'proto-tool-ok' })
|
|
})
|
|
|
|
it('renders a non-string completion value inspect-style', async () => {
|
|
const { ctx, runtime } = await setup({ mode: 'code' })
|
|
runtime.behavior = () => Promise.resolve({ logs: [], value: { n: 42 } })
|
|
const result = await runCode(ctx, 'program')
|
|
expect((result.content[0] as { text: string }).text).toBe('{ n: 42 }')
|
|
})
|
|
|
|
it('reports a pre-aborted outer signal as the run failure without dispatching anything', async () => {
|
|
const { ctx, runtime } = await setup({ mode: 'code' })
|
|
const calls = registerEcho(ctx)
|
|
runtime.behavior = (request) => {
|
|
// The fake honors the seam contract for an already-aborted signal.
|
|
if (request.signal?.aborted) return Promise.resolve({ logs: [], error: { kind: 'abort' as const, message: String(request.signal.reason) } })
|
|
return Promise.resolve({ logs: [], value: 'unreachable' })
|
|
}
|
|
const controller = new AbortController()
|
|
controller.abort('too-late')
|
|
const result = await runCode(ctx, 'program', { signal: controller.signal })
|
|
expect(result.isError).toBe(true)
|
|
expect((result.content[0] as { text: string }).text).toContain('code run failed (abort)')
|
|
expect(calls).toEqual([])
|
|
})
|
|
|
|
it('rejects a binding invoked after the run is over without dispatching it', async () => {
|
|
const { ctx, runtime } = await setup({ mode: 'code' })
|
|
const calls = registerEcho(ctx)
|
|
const controller = new AbortController()
|
|
runtime.behavior = async (request) => {
|
|
controller.abort('cancelled-mid-run')
|
|
const message = await request.bindings[0]!.functions.echo!({ value: 'x' })
|
|
.then(() => 'resolved', (error: unknown) => error instanceof Error ? error.message : String(error))
|
|
return { logs: [], value: message }
|
|
}
|
|
const result = await runCode(ctx, 'program', { signal: controller.signal })
|
|
expect(result.isError).toBe(false)
|
|
expect((result.content[0] as { text: string }).text).toContain('not dispatched')
|
|
expect(calls).toEqual([])
|
|
})
|
|
|
|
it('a tool/code-dispatch event never derives a model message', () => {
|
|
const session = new Session(SessionId('code-mode-derive'))
|
|
session.append('user/message', { content: [{ type: 'text', text: 'hi' }], source: { kind: 'user' } }, { surfaceOp: 'append' })
|
|
session.append('tool/code-dispatch', {
|
|
parentCallId: CallId('p1'),
|
|
subCallId: CallId('p1:code:1'),
|
|
name: 'echo',
|
|
arguments: { value: 'x' },
|
|
isError: false,
|
|
resultSummary: 'echo:x',
|
|
})
|
|
const derived = session.deriveMessages()
|
|
expect(derived).toHaveLength(1)
|
|
expect(derived[0]?.role).toBe('user')
|
|
})
|
|
|
|
it('defaults to native mode under direct construction with no config', async () => {
|
|
const ctx = new Context()
|
|
await ctx.plugin(SystemPrompt, {})
|
|
const registry = new ToolRegistry(ctx)
|
|
expect(registry.get(RUN_CODE_NAME)).toBeUndefined()
|
|
const assembly = await ctx.systemPrompt.assemble()
|
|
expect(assembly.sections.some(section => section.name === 'tools:sdk')).toBe(false)
|
|
})
|
|
})
|