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@@ -0,0 +1,838 @@
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+import { describe, expect, it } from 'vitest'
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+import type {
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+ CodeBindingFunction,
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+ CodeBindingNamespace,
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+ CodeRunResult,
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+ CodeRuntime,
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+} from '@deepseek-ai/dsh-code-runtime'
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+
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+interface WorkerCodeRuntimeContractConfig {
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+ computeMs?: number
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+ maxWallMs?: number
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+ maxOutputBytes?: number
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+ maxOldGenerationSizeMb?: number
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+}
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+
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+interface WorkerCodeRuntimeContractHarness {
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+ runtime: CodeRuntime
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+ dispose: () => Promise<void>
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+}
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+
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+type WorkerCodeRuntimeContractSetup = (
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+ config?: WorkerCodeRuntimeContractConfig,
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+) => Promise<WorkerCodeRuntimeContractHarness>
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+
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+/** Convenience: one namespace `tools` with the given functions. */
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+export function workerRuntimeTools(
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+ functions: Record<string, (args: unknown) => Promise<unknown>>,
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+): CodeBindingNamespace[] {
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+ return [{
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+ global: 'tools',
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+ functions: functions as Record<string, CodeBindingFunction>,
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+ errorClass: { name: 'ToolCallError', memberNameProperty: 'toolName' },
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+ }]
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+}
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+
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+/** Run behavior shared by the direct and subprocess-hosted worker runtimes. */
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+export function runWorkerCodeRuntimeContract(
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+ label: string,
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+ setup: WorkerCodeRuntimeContractSetup,
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+): void {
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+ describe(`${label} — programs and bindings (real workers)`, () => {
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+ it('registers with the seam descriptors', async () => {
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+ const { runtime } = await setup()
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+ expect(runtime.language).toBe('typescript')
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+ expect(runtime.isolation).toBe('worker-thread')
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+ })
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+
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+ it('runs TypeScript (erasable syntax), captures output in order, returns the value', async () => {
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+ const { runtime } = await setup()
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+ const result = await runtime.run({
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+ program: `
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+ interface Point { x: number; y: number }
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+ const p: Point = { x: 1, y: 2 } as Point;
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+ console.log('point', p);
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+ process.stdout.write('raw-out\\n');
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+ console.warn('careful');
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+ return p.x + p.y;
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+ `,
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+ bindings: [],
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+ })
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+ expect(result.error).toBeUndefined()
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+ expect(result.value).toBe(3)
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+ expect(result.logs).toEqual(['point { x: 1, y: 2 }', 'raw-out\n', 'careful'])
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+ })
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+
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+ it('bridges binding calls both ways and rejects the program-side call on a host rejection', async () => {
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+ const { runtime } = await setup()
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+ const calls: unknown[] = []
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+ const result = await runtime.run({
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+ program: `
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+ const first = await tools.echo({ n: 1 });
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+ let caught = {};
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+ try { await tools.fail({}) } catch (error) { caught = { isTyped: error instanceof ToolCallError, name: error.name, toolName: error.toolName, message: error.message } }
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+ let caughtRaw = {};
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+ try { await tools.failRaw({}) } catch (error) { caughtRaw = { name: error.name, toolName: error.toolName, message: error.message } }
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+ return { first, caught, caughtRaw };
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+ `,
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+ bindings: workerRuntimeTools({
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+ echo: async (args) => { calls.push(args); return { echoed: args } },
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+ fail: async () => { throw new Error('nope') },
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+ // A non-Error throw: the host renders it, the program still catches.
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+ failRaw: async () => { throw 'raw-nope' },
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+ }),
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+ })
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+ expect(result.error).toBeUndefined()
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+ expect(result.value).toEqual({
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+ first: { echoed: { n: 1 } },
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+ caught: { isTyped: true, name: 'ToolCallError', toolName: 'fail', message: 'nope' },
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+ caughtRaw: { name: 'ToolCallError', toolName: 'failRaw', message: 'raw-nope' },
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+ })
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+ expect(calls).toEqual([{ n: 1 }])
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+ })
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+
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+ it('materializes a typed rejection from a generic namespace descriptor', async () => {
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+ const { runtime } = await setup()
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+ const result = await runtime.run({
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+ program: `
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+ try { await helpers.fail({}) } catch (error) {
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+ return {
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+ isTyped: error instanceof HelperCallError,
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+ name: error.name,
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+ helperName: error.helperName,
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+ message: error.message,
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+ };
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+ }
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+ `,
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+ bindings: [{
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+ global: 'helpers',
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+ functions: { fail: async () => { throw new Error('nope') } },
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+ errorClass: { name: 'HelperCallError', memberNameProperty: 'helperName' },
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+ }],
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+ })
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+ expect(result.value).toEqual({
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+ isTyped: true,
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+ name: 'HelperCallError',
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+ helperName: 'fail',
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+ message: 'nope',
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+ })
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+ })
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+
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+ it('bridges a deeply nested lossless JSON argument, resolution, and completion', async () => {
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+ const { runtime } = await setup()
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+ const result = await runtime.run({
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+ program: `
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+ let value = 'leaf';
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+ for (let depth = 0; depth < 3_000; depth++) value = [value];
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+ return await tools.echo(value);
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+ `,
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+ bindings: workerRuntimeTools({ echo: async args => args }),
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+ })
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+
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+ expect(result.error).toBeUndefined()
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+ let cursor = result.value
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+ for (let depth = 0; depth < 3_000; depth++) {
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+ expect(Array.isArray(cursor)).toBe(true)
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+ cursor = Array.isArray(cursor) ? cursor[0] : undefined
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+ }
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+ expect(cursor).toBe('leaf')
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+ }, 15_000)
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+
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+ it('reports non-erasable syntax as an exception without spawning a worker', async () => {
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+ const { runtime } = await setup()
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+ const result = await runtime.run({ program: 'enum E { A }\nreturn 1', bindings: [] })
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+ expect(result.error?.kind).toBe('exception')
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+ expect(result.error?.message).toMatch(/enum|strip/i)
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+ })
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+
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+ it('reports a runtime throw as an exception with the message', async () => {
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+ const { runtime } = await setup()
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+ const result = await runtime.run({ program: 'throw new Error("kaboom")', bindings: [] })
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+ expect(result.error?.kind).toBe('exception')
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+ expect(result.error?.message).toContain('kaboom')
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+ })
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+
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+ it('gives the program an EMPTY environment', async () => {
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+ const { runtime } = await setup()
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+ const result = await runtime.run({ program: 'return JSON.stringify(process.env)', bindings: [] })
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+ expect(result.value).toBe('{}')
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+ })
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+
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+ it('rejects a non-lossless completion instead of replacing it with rendered text', async () => {
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+ const { runtime } = await setup()
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+ const result = await runtime.run({ program: 'return { f: () => 1 }', bindings: [] })
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+ expect(result.value).toBeUndefined()
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+ expect(result.error).toEqual({ kind: 'invalid-output', message: 'program completion must be lossless JSON' })
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+ })
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+
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+ it('completes a program that returns nothing with no value at all', async () => {
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+ const { runtime } = await setup()
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+ const result = await runtime.run({ program: 'const x = 1', bindings: [] })
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+ expect(result.error).toBeUndefined()
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+ expect('value' in result).toBe(false)
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+ })
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+
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+ it('keeps logs streamed before a failure', async () => {
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+ const { runtime } = await setup()
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+ const result = await runtime.run({
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+ program: 'console.log("before"); throw new Error("after-log")',
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+ bindings: [],
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+ })
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+ expect(result.error?.kind).toBe('exception')
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+ expect(result.logs).toContain('before')
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+ })
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+ })
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+
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+ describe(`${label} — budgets and containment (real workers)`, () => {
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+ it('ends a hot loop at the compute budget — including behind a pending decoy dispatch', async () => {
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+ const { runtime } = await setup({ computeMs: 300, maxWallMs: 30_000 })
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+ const result = await runtime.run({
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+ // The decoy: fire a call at a never-resolving binding WITHOUT awaiting,
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+ // then spin. Host-side pending-call bookkeeping would pause a naive
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+ // budget here; measured busy time cannot be fooled.
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+ program: 'void tools.slow({}); for (;;) {}',
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+ bindings: workerRuntimeTools({ slow: () => new Promise(() => {}) }),
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+ })
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+ expect(result.error?.kind).toBe('timeout')
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+ expect(result.error?.message).toContain('compute budget')
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+ }, 15_000)
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+
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+ it('does not charge time spent awaiting a slow binding against the compute budget', async () => {
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+ // Keep the binding delay above the compute allowance while leaving enough
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+ // headroom for worker bootstrap on loaded CI hosts.
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+ const { runtime } = await setup({ computeMs: 1_000, maxWallMs: 30_000 })
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+ const result = await runtime.run({
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+ program: 'return await tools.slow({})',
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+ bindings: workerRuntimeTools({ slow: () => new Promise(resolve => setTimeout(() => { resolve('slow-done') }, 1_500)) }),
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+ })
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+ expect(result.error).toBeUndefined()
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+ expect(result.value).toBe('slow-done')
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+ }, 15_000)
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+
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+ it('ends an idle-forever run at the wall-clock ceiling', async () => {
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+ const { runtime } = await setup({ computeMs: 30_000, maxWallMs: 400 })
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+ const result = await runtime.run({
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+ program: 'await tools.never({}); return 1',
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+ bindings: workerRuntimeTools({ never: () => new Promise(() => {}) }),
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+ })
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+ expect(result.error?.kind).toBe('timeout')
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+ expect(result.error?.message).toContain('wall-clock ceiling')
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+ }, 15_000)
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+
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+ it('reports an abort mid-run and stops the worker', async () => {
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+ const { runtime } = await setup()
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+ const controller = new AbortController()
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+ setTimeout(() => { controller.abort('user-cancel') }, 150)
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+ const result = await runtime.run({ program: 'for (;;) {}', bindings: [], signal: controller.signal })
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+ expect(result.error).toEqual({ kind: 'abort', message: 'user-cancel' })
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+ }, 15_000)
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+
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+ it('reports a pre-aborted signal without spawning', async () => {
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+ const { runtime } = await setup()
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+ const controller = new AbortController()
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+ controller.abort('too-late')
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+ const result = await runtime.run({ program: 'return 1', bindings: [], signal: controller.signal })
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+ expect(result.error).toEqual({ kind: 'abort', message: 'too-late' })
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+ })
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+
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+ it('applies the outer-output cap to failures before worker startup', async () => {
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+ const capped = await setup({ maxOutputBytes: 64 })
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+ const controller = new AbortController()
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+ controller.abort('A'.repeat(1_000))
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+ const aborted = await capped.runtime.run({ program: 'return 1', bindings: [], signal: controller.signal })
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+ expect(aborted).toEqual({ logs: [], error: { kind: 'output-limit', message: 'outer output exceeded 64 bytes' } })
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+
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+ const minimal = await setup({ maxOutputBytes: 4 })
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+ const invalid = await minimal.runtime.run({ program: 'enum E { A }\nreturn 1', bindings: [] })
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+ expect(invalid.error?.kind).toBe('output-limit')
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+ expect(Buffer.byteLength(JSON.stringify(invalid.logs), 'utf8') + Buffer.byteLength(JSON.stringify(invalid.error?.message), 'utf8')).toBeLessThanOrEqual(4)
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+ })
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+
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+ it('drops a binding resolution that lands after the run settled', async () => {
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+ const { runtime } = await setup()
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+ const controller = new AbortController()
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+ let replyDelivered!: Promise<void>
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+ const result = await runtime.run({
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+ program: 'void tools.late({}); for (;;) {}',
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+ bindings: workerRuntimeTools({
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+ // Anchored on invocation: abort 100ms after the call reaches the
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+ // host, resolve 400ms after — by then the run has settled, so the
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+ // resolution's reply hits the post-settlement drop.
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+ late: () => new Promise((resolve) => {
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+ setTimeout(() => { controller.abort('cancel-now') }, 100)
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+ replyDelivered = new Promise(done => setTimeout(() => { resolve('too-late'); done() }, 400))
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+ }),
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+ }),
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+ signal: controller.signal,
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+ })
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+ expect(result.error).toEqual({ kind: 'abort', message: 'cancel-now' })
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+ // Let the late resolution actually fire so its reply executes instead of
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+ // being cancelled with the test.
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+ await replyDelivered
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+ }, 15_000)
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+
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+ it('contains an OOM under resourceLimits as worker-exit, host process healthy', async () => {
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+ const { runtime } = await setup({ maxOldGenerationSizeMb: 32 })
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+ const result = await runtime.run({
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+ program: 'const hog = []; for (;;) hog.push(new Array(1e6).fill(1));',
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+ bindings: [],
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+ })
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+ expect(result.error?.kind).toBe('worker-exit')
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+ // And the host is fine: run something else.
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+ const after = await runtime.run({ program: 'return "alive"', bindings: [] })
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+ expect(after.value).toBe('alive')
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+ }, 30_000)
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+
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+ it('reports a worker that exits before publishing a completion', async () => {
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+ const { runtime } = await setup()
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+ const result = await runtime.run({ program: 'process.exit(7)', bindings: [] })
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+ expect(result).toEqual({
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+ logs: [],
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+ error: { kind: 'worker-exit', message: 'worker exited with code 7 before completing' },
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+ })
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+ })
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+
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+ it('fails runaway log output explicitly while retaining a bounded prefix', async () => {
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+ const { runtime } = await setup({ maxOutputBytes: 300 })
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+ const result = await runtime.run({
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+ program: 'for (let i = 0; i < 1000; i++) console.log("spam line", i); return 1',
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+ bindings: [],
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+ })
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+ expect(result.error).toEqual({ kind: 'output-limit', message: 'outer output exceeded 300 bytes' })
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+ expect(result.value).toBeUndefined()
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+ expect(result.logs.length).toBeGreaterThan(0)
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+ expect(Buffer.byteLength(JSON.stringify(result.logs), 'utf8')).toBeLessThan(300)
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+ })
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+
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+ it('retains a fitting prefix when one oversized log is the first output', async () => {
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+ const { runtime } = await setup({ maxOutputBytes: 96 })
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+ const result = await runtime.run({
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+ program: 'console.log(`start-${`😀"\\\\\\n`.repeat(100)}`); return null',
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+ bindings: [],
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+ })
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+ expect(result.error).toEqual({ kind: 'output-limit', message: 'outer output exceeded 96 bytes' })
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+ expect(result.logs).toHaveLength(1)
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+ expect(result.logs[0]?.startsWith('start-')).toBe(true)
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+ expect(Buffer.byteLength(JSON.stringify(result.logs), 'utf8')
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+ + Buffer.byteLength(JSON.stringify(result.error?.message), 'utf8')).toBeLessThanOrEqual(96)
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+ })
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+
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+ it('fails an oversized return value without substituting a string', async () => {
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+ const { runtime } = await setup({ maxOutputBytes: 64 })
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+ const result = await runtime.run({ program: 'return "y".repeat(10_000)', bindings: [] })
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+ expect(result.value).toBeUndefined()
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+ expect(result.error).toEqual({ kind: 'output-limit', message: 'outer output exceeded 64 bytes' })
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+ })
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+
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+ it('uses UTF-8 serialized bytes at the exact completion boundary', async () => {
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+ const exact = await setup({ maxOutputBytes: 7 })
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+ const exactResult = await exact.runtime.run({ program: 'return "€"', bindings: [] })
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+ // [] costs two bytes and JSON serialization of "€" costs five.
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+ expect(exactResult).toEqual({ logs: [], value: '€' })
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+
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+ const over = await setup({ maxOutputBytes: 6 })
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+ const overResult = await over.runtime.run({ program: 'return "€"', bindings: [] })
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+ expect(overResult.error?.kind).toBe('output-limit')
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+ })
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+
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+ it('accounts logs and completion in one exact combined ledger', async () => {
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+ // JSON(["abc"]) is seven bytes and JSON("xy") is four.
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+ const exact = await setup({ maxOutputBytes: 11 })
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+ expect(await exact.runtime.run({ program: 'console.log("abc"); return "xy"', bindings: [] }))
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+ .toEqual({ logs: ['abc'], value: 'xy' })
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+
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+ const over = await setup({ maxOutputBytes: 10 })
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+ const result = await over.runtime.run({ program: 'console.log("abc"); return "xy"', bindings: [] })
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+ expect(result.value).toBeUndefined()
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+ expect(result.error?.kind).toBe('output-limit')
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+ expect(Buffer.byteLength(JSON.stringify(result.logs), 'utf8') + Buffer.byteLength(JSON.stringify(result.error?.message), 'utf8')).toBeLessThanOrEqual(10)
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+ })
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+
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+ it('accounts logs and exception diagnostics before the worker port boundary', async () => {
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+ // JSON(["abc"]) is seven bytes and JSON("xy") is four.
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+ const exact = await setup({ maxOutputBytes: 11 })
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+ expect(await exact.runtime.run({ program: 'console.log("abc"); throw "xy"', bindings: [] }))
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+ .toEqual({ logs: ['abc'], error: { kind: 'exception', message: 'xy' } })
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+
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+ const over = await setup({ maxOutputBytes: 10 })
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+ const result = await over.runtime.run({ program: 'console.log("abc"); throw "xy"', bindings: [] })
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+ expect(result.error?.kind).toBe('output-limit')
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|
|
+ expect(Buffer.byteLength(JSON.stringify(result.logs), 'utf8')
|
|
|
+ + Buffer.byteLength(JSON.stringify(result.error?.message), 'utf8')).toBeLessThanOrEqual(10)
|
|
|
+ })
|
|
|
+
|
|
|
+ it('does not send a giant Error stack across the worker port', async () => {
|
|
|
+ const { runtime } = await setup({ maxOutputBytes: 64 })
|
|
|
+ const result = await runtime.run({
|
|
|
+ program: 'throw new Error("x".repeat(1_000_000))',
|
|
|
+ bindings: [],
|
|
|
+ })
|
|
|
+ expect(result).toEqual({
|
|
|
+ logs: [],
|
|
|
+ error: { kind: 'output-limit', message: 'outer output exceeded 64 bytes' },
|
|
|
+ })
|
|
|
+ })
|
|
|
+
|
|
|
+ it('completes a program that awaits its write callback, capturing the chunk', async () => {
|
|
|
+ // Node's write(chunk[, encoding][, callback]) contract: dropping the
|
|
|
+ // callback would leave this promise pending until the wall ceiling and
|
|
|
+ // misreport a completed program as a timeout.
|
|
|
+ const { runtime } = await setup({ maxWallMs: 2_000 })
|
|
|
+ const result = await runtime.run({
|
|
|
+ program: 'await new Promise(resolve => process.stdout.write("flushed", resolve)); return "done"',
|
|
|
+ bindings: [],
|
|
|
+ })
|
|
|
+ expect(result.error).toBeUndefined()
|
|
|
+ expect(result.value).toBe('done')
|
|
|
+ expect(result.logs).toContain('flushed')
|
|
|
+ })
|
|
|
+
|
|
|
+ it('returns a large JSON container exactly when the outer cap permits it', async () => {
|
|
|
+ const { runtime } = await setup()
|
|
|
+ const result = await runtime.run({ program: 'return new Array(50_000).fill(7)', bindings: [] })
|
|
|
+ expect(result.error).toBeUndefined()
|
|
|
+ expect(result.value).toEqual(new Array(50_000).fill(7))
|
|
|
+ })
|
|
|
+
|
|
|
+ it('returns an exact completion at the default 64 MiB combined boundary', async () => {
|
|
|
+ const { runtime } = await setup()
|
|
|
+ // [] costs two bytes and the JSON string contributes two quotes, leaving
|
|
|
+ // exactly this many payload bytes under the 67_108_864-byte default.
|
|
|
+ const result = await runtime.run({ program: 'return "x".repeat(67_108_860)', bindings: [] })
|
|
|
+ expect(result.error).toBeUndefined()
|
|
|
+ expect(result.logs).toEqual([])
|
|
|
+ expect(result.value).toHaveLength(67_108_860)
|
|
|
+ }, 60_000)
|
|
|
+
|
|
|
+ it('fails one byte over the default 64 MiB combined boundary', async () => {
|
|
|
+ const { runtime } = await setup()
|
|
|
+ const result = await runtime.run({ program: 'return "x".repeat(67_108_861)', bindings: [] })
|
|
|
+ expect(result.value).toBeUndefined()
|
|
|
+ expect(result.error).toEqual({ kind: 'output-limit', message: 'outer output exceeded 67108864 bytes' })
|
|
|
+ }, 60_000)
|
|
|
+
|
|
|
+ it('drains pipe output queued before terminal worker teardown completes', async () => {
|
|
|
+ const { runtime } = await setup({ maxOutputBytes: 200_000 })
|
|
|
+ const payload = `late-pipe-${'x'.repeat(100_000)}`
|
|
|
+ const result = await runtime.run({
|
|
|
+ program: `
|
|
|
+ const { parentPort } = await import('node:worker_threads');
|
|
|
+ const write = (text) => Object.getPrototypeOf(process.stdout).write.call(process.stdout, text);
|
|
|
+ write('late-pipe-' + 'x'.repeat(100_000));
|
|
|
+ parentPort.postMessage({ type: 'done', value: ['done'] });
|
|
|
+ for (;;) {}
|
|
|
+ `,
|
|
|
+ bindings: [],
|
|
|
+ })
|
|
|
+ expect(result.error).toBeUndefined()
|
|
|
+ expect(result.value).toBe('done')
|
|
|
+ expect(result.logs.join('') === payload).toBe(true)
|
|
|
+ }, 15_000)
|
|
|
+ })
|
|
|
+
|
|
|
+ describe(`${label} — hostile programs (real workers)`, () => {
|
|
|
+ it('survives forged port traffic: unknown binding names, duplicate ids, junk shapes', async () => {
|
|
|
+ const { runtime } = await setup()
|
|
|
+ const result = await runtime.run({
|
|
|
+ program: `
|
|
|
+ const { parentPort } = await import('node:worker_threads');
|
|
|
+ parentPort.postMessage({ type: 'call', id: 7777, global: 'tools', name: 'missing', args: {} });
|
|
|
+ parentPort.postMessage({ type: 'call', id: 7777, global: 'tools', name: 'missing', args: {} });
|
|
|
+ parentPort.postMessage({ type: 'call', id: 7778, global: 'tools', name: 'constructor', args: {} });
|
|
|
+ parentPort.postMessage({ type: 'junk' });
|
|
|
+ return await tools.real({});
|
|
|
+ `,
|
|
|
+ bindings: workerRuntimeTools({ real: async () => 'still-works' }),
|
|
|
+ })
|
|
|
+ expect(result.error).toBeUndefined()
|
|
|
+ expect(result.value).toBe('still-works')
|
|
|
+ })
|
|
|
+
|
|
|
+ it('survives arbitrary junk on the port: non-objects, junk types, malformed calls, logs, and dones', async () => {
|
|
|
+ const { runtime } = await setup()
|
|
|
+ const result = await runtime.run({
|
|
|
+ program: `
|
|
|
+ const { parentPort } = await import('node:worker_threads');
|
|
|
+ for (const junk of [
|
|
|
+ null, 42, 'junk', [],
|
|
|
+ { type: 'nope' },
|
|
|
+ { type: 'call' },
|
|
|
+ { type: 'call', id: 'x', global: 'tools', name: 'real', args: {} },
|
|
|
+ { type: 'call', id: 1e9, global: 7, name: 'real', args: {} },
|
|
|
+ { type: 'call', id: 1e9, global: 'tools', name: 7, args: {} },
|
|
|
+ { type: 'log' },
|
|
|
+ { type: 'log', text: null },
|
|
|
+ { type: 'log', text: 7 },
|
|
|
+ { type: 'log', text: {} },
|
|
|
+ { type: 'done', error: 5 },
|
|
|
+ { type: 'done', error: { kind: 'exception', message: 5 } },
|
|
|
+ { type: 'done', error: { kind: 'invented', message: 'bad kind' } },
|
|
|
+ ]) parentPort.postMessage(junk);
|
|
|
+ return await tools.real({});
|
|
|
+ `,
|
|
|
+ bindings: workerRuntimeTools({ real: async () => 'still-works' }),
|
|
|
+ })
|
|
|
+ expect(result.error).toBeUndefined()
|
|
|
+ expect(result.value).toBe('still-works')
|
|
|
+ expect(result.logs).toEqual([])
|
|
|
+ })
|
|
|
+
|
|
|
+ it('fails forged log floods and forged done values through the same outer cap', async () => {
|
|
|
+ const { runtime } = await setup({ maxOutputBytes: 200 })
|
|
|
+ const result = await runtime.run({
|
|
|
+ // Forged messages bypass worker-side capture and completion checks;
|
|
|
+ // the outer ledger must still contain them.
|
|
|
+ program: `
|
|
|
+ const { parentPort } = await import('node:worker_threads');
|
|
|
+ for (let i = 0; i < 50; i++) parentPort.postMessage({ type: 'log', text: 'F'.repeat(100), forged: true });
|
|
|
+ parentPort.postMessage({ type: 'done', value: ['V'.repeat(100000)] });
|
|
|
+ for (;;) {}
|
|
|
+ `,
|
|
|
+ bindings: [],
|
|
|
+ })
|
|
|
+ expect(result.value).toBeUndefined()
|
|
|
+ expect(result.error).toEqual({ kind: 'output-limit', message: 'outer output exceeded 200 bytes' })
|
|
|
+ expect(Buffer.byteLength(JSON.stringify(result.logs), 'utf8')).toBeLessThan(200)
|
|
|
+ })
|
|
|
+
|
|
|
+ it('re-caps an oversized forged done value at the host boundary', async () => {
|
|
|
+ const { runtime } = await setup({ maxOutputBytes: 64 })
|
|
|
+ const result = await runtime.run({
|
|
|
+ program: `
|
|
|
+ const { parentPort } = await import('node:worker_threads');
|
|
|
+ parentPort.postMessage({ type: 'done', value: ['V'.repeat(100_000)] });
|
|
|
+ for (;;) {}
|
|
|
+ `,
|
|
|
+ bindings: [],
|
|
|
+ })
|
|
|
+ expect(result).toEqual({
|
|
|
+ logs: [],
|
|
|
+ error: { kind: 'output-limit', message: 'outer output exceeded 64 bytes' },
|
|
|
+ })
|
|
|
+ })
|
|
|
+
|
|
|
+ it('drops a malformed forged done carrying both value and error', async () => {
|
|
|
+ const { runtime } = await setup()
|
|
|
+ const result = await runtime.run({
|
|
|
+ program: `
|
|
|
+ const { parentPort } = await import('node:worker_threads');
|
|
|
+ parentPort.postMessage({ type: 'done', value: 'lied', error: { kind: 'exception', message: 'fake failure' } });
|
|
|
+ return 'honest';
|
|
|
+ `,
|
|
|
+ bindings: [],
|
|
|
+ })
|
|
|
+ expect(result).toEqual({ logs: [], error: { kind: 'exception', message: 'fake failure' } })
|
|
|
+ })
|
|
|
+
|
|
|
+ it('contains a deeply nested forged completion without overflowing the host meter', async () => {
|
|
|
+ const { runtime } = await setup()
|
|
|
+ const result = await runtime.run({
|
|
|
+ program: `
|
|
|
+ const { parentPort } = await import('node:worker_threads');
|
|
|
+ const value = [];
|
|
|
+ for (let depth = 0; depth < 3_000; depth++) value.push({ kind: 'array', length: 1 });
|
|
|
+ value.push(null);
|
|
|
+ setTimeout(() => { parentPort.postMessage({ type: 'done', value }) }, 25);
|
|
|
+ // Prevent bootstrap's normal undefined completion from racing the forged terminal.
|
|
|
+ await new Promise(() => {});
|
|
|
+ `,
|
|
|
+ bindings: [],
|
|
|
+ })
|
|
|
+ expect(result.error).toBeUndefined()
|
|
|
+ let value = result.value
|
|
|
+ let depth = 0
|
|
|
+ while (Array.isArray(value)) {
|
|
|
+ expect(value).toHaveLength(1)
|
|
|
+ value = value[0]
|
|
|
+ depth += 1
|
|
|
+ }
|
|
|
+ expect(depth).toBe(3_000)
|
|
|
+ expect(value).toBeNull()
|
|
|
+ }, 15_000)
|
|
|
+
|
|
|
+ it('turns forged over-limit error text into output-limit at the host', async () => {
|
|
|
+ const { runtime } = await setup({ maxOutputBytes: 64 })
|
|
|
+ const result = await runtime.run({
|
|
|
+ program: `
|
|
|
+ const { parentPort } = await import('node:worker_threads');
|
|
|
+ parentPort.postMessage({ type: 'done', error: { kind: 'exception', message: '€'.repeat(1000) } });
|
|
|
+ for (;;) {}
|
|
|
+ `,
|
|
|
+ bindings: [],
|
|
|
+ })
|
|
|
+ expect(result.error).toEqual({ kind: 'output-limit', message: 'outer output exceeded 64 bytes' })
|
|
|
+ })
|
|
|
+
|
|
|
+ it('answers a binding whose resolution is not lossless JSON with a typed failure reply', async () => {
|
|
|
+ const { runtime } = await setup()
|
|
|
+ const result = await runtime.run({
|
|
|
+ program: 'try { await tools.bad({}) } catch (error) { return { name: error.name, toolName: error.toolName, message: error.message } }',
|
|
|
+ bindings: workerRuntimeTools({ bad: async () => (() => 1) }),
|
|
|
+ })
|
|
|
+ expect(result.value).toEqual({ name: 'ToolCallError', toolName: 'bad', message: 'binding resolution must be lossless JSON' })
|
|
|
+ })
|
|
|
+
|
|
|
+ it('rejects lossy binding arguments in the worker before invoking the host binding', async () => {
|
|
|
+ const { runtime } = await setup()
|
|
|
+ let calls = 0
|
|
|
+ const result = await runtime.run({
|
|
|
+ program: `
|
|
|
+ const decorated = [1]; Object.defineProperty(decorated, 'extra', { value: true });
|
|
|
+ const values = [new Date(), decorated, () => 1];
|
|
|
+ const failures = [];
|
|
|
+ for (const value of values) {
|
|
|
+ try { await tools.never(value) } catch (error) {
|
|
|
+ failures.push({ typed: error instanceof ToolCallError, name: error.name, toolName: error.toolName, message: error.message });
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return failures;
|
|
|
+ `,
|
|
|
+ bindings: workerRuntimeTools({ never: async () => { calls += 1; return null } }),
|
|
|
+ })
|
|
|
+ expect(calls).toBe(0)
|
|
|
+ expect(result.value).toEqual(new Array(3).fill({
|
|
|
+ typed: true,
|
|
|
+ name: 'ToolCallError',
|
|
|
+ toolName: 'never',
|
|
|
+ message: 'binding arguments must be lossless JSON',
|
|
|
+ }))
|
|
|
+ })
|
|
|
+
|
|
|
+ it('rejects intrinsic-looking exotic objects as arguments and completions', async () => {
|
|
|
+ const { runtime } = await setup()
|
|
|
+ let calls = 0
|
|
|
+ const forgeObject = `
|
|
|
+ const prototype = Object.create(null);
|
|
|
+ const SpoofedObject = function Object() {};
|
|
|
+ SpoofedObject.prototype = prototype;
|
|
|
+ Object.defineProperty(prototype, 'constructor', { value: SpoofedObject });
|
|
|
+ const forged = Object.assign(Object.create(prototype), { value: 1 });
|
|
|
+ Function.prototype.toString = () => 'function Object() { [native code] }';
|
|
|
+ `
|
|
|
+ const argument = await runtime.run({
|
|
|
+ program: `${forgeObject}
|
|
|
+ try { await tools.never(forged) } catch (error) {
|
|
|
+ return { typed: error instanceof ToolCallError, name: error.name, toolName: error.toolName, message: error.message };
|
|
|
+ }
|
|
|
+ `,
|
|
|
+ bindings: workerRuntimeTools({ never: async () => { calls += 1; return null } }),
|
|
|
+ })
|
|
|
+ expect(calls).toBe(0)
|
|
|
+ expect(argument.value).toEqual({
|
|
|
+ typed: true,
|
|
|
+ name: 'ToolCallError',
|
|
|
+ toolName: 'never',
|
|
|
+ message: 'binding arguments must be lossless JSON',
|
|
|
+ })
|
|
|
+
|
|
|
+ const completion = await runtime.run({ program: `${forgeObject}\nreturn forged`, bindings: [] })
|
|
|
+ expect(completion).toEqual({
|
|
|
+ logs: [],
|
|
|
+ error: { kind: 'invalid-output', message: 'program completion must be lossless JSON' },
|
|
|
+ })
|
|
|
+ })
|
|
|
+
|
|
|
+ it('preserves binding and completion JSON after model code mutates boundary globals', async () => {
|
|
|
+ const { runtime } = await setup()
|
|
|
+ const result = await runtime.run({
|
|
|
+ program: `
|
|
|
+ const arrayPrototype = Array.prototype;
|
|
|
+ const objectPrototype = Object.prototype;
|
|
|
+ const setPrototype = Set.prototype;
|
|
|
+ const stringPrototype = String.prototype;
|
|
|
+ Array.isArray = () => false;
|
|
|
+ arrayPrototype.at = arrayPrototype.includes = arrayPrototype.pop = arrayPrototype.push = () => { throw new Error('mutated array method') };
|
|
|
+ Object.defineProperty = Object.getOwnPropertyDescriptor = Object.getPrototypeOf = Object.keys = () => { throw new Error('mutated object method') };
|
|
|
+ Object.hasOwn = () => false;
|
|
|
+ Object.is = () => true;
|
|
|
+ objectPrototype.propertyIsEnumerable = () => false;
|
|
|
+ Number.isFinite = Number.isSafeInteger = () => false;
|
|
|
+ Reflect.apply = Reflect.ownKeys = () => { throw new Error('mutated reflect method') };
|
|
|
+ setPrototype.add = setPrototype.delete = setPrototype.has = () => { throw new Error('mutated set method') };
|
|
|
+ stringPrototype.charCodeAt = stringPrototype.codePointAt = stringPrototype.slice = () => { throw new Error('mutated string method') };
|
|
|
+ Buffer.byteLength = () => 0;
|
|
|
+ Function.prototype.toString = () => 'mutated';
|
|
|
+ objectPrototype.get = () => undefined;
|
|
|
+ objectPrototype.constructor = arrayPrototype.constructor = null;
|
|
|
+ globalThis.Array = globalThis.Buffer = globalThis.Error = globalThis.Function = globalThis.Number = globalThis.Object = globalThis.Reflect = globalThis.Set = globalThis.String = undefined;
|
|
|
+ const echoed = await tools.echo({ request: ['€', 1] });
|
|
|
+ let failure;
|
|
|
+ try { await tools.fail({}) } catch (error) {
|
|
|
+ failure = { typed: error instanceof ToolCallError, name: error.name, toolName: error.toolName, message: error.message };
|
|
|
+ }
|
|
|
+ return { echoed, failure, completion: { ok: true, amount: 42 } };
|
|
|
+ `,
|
|
|
+ bindings: workerRuntimeTools({ echo: async args => args, fail: async () => { throw new Error('nope') } }),
|
|
|
+ })
|
|
|
+ expect(result).toEqual({
|
|
|
+ logs: [],
|
|
|
+ value: {
|
|
|
+ echoed: { request: ['€', 1] },
|
|
|
+ failure: { typed: true, name: 'ToolCallError', toolName: 'fail', message: 'nope' },
|
|
|
+ completion: { ok: true, amount: 42 },
|
|
|
+ },
|
|
|
+ })
|
|
|
+ })
|
|
|
+
|
|
|
+ it('rejects forged lossy binding arguments again at the host boundary', async () => {
|
|
|
+ const { runtime } = await setup()
|
|
|
+ let calls = 0
|
|
|
+ const result = await runtime.run({
|
|
|
+ program: `
|
|
|
+ const { parentPort } = await import('node:worker_threads');
|
|
|
+ const forged = (id, args) => new Promise((resolve) => {
|
|
|
+ const receive = (message) => {
|
|
|
+ if (message?.type !== 'reply' || message.id !== id) return;
|
|
|
+ parentPort.off('message', receive);
|
|
|
+ resolve(message);
|
|
|
+ };
|
|
|
+ parentPort.on('message', receive);
|
|
|
+ parentPort.postMessage({ type: 'call', id, global: 'tools', name: 'never', args });
|
|
|
+ });
|
|
|
+ const sparse = []; sparse.length = 1;
|
|
|
+ const cycle = {}; cycle.self = cycle;
|
|
|
+ return await Promise.all([
|
|
|
+ forged(8001, new Date()),
|
|
|
+ forged(8002, -0),
|
|
|
+ forged(8003, sparse),
|
|
|
+ forged(8004, cycle),
|
|
|
+ ]);
|
|
|
+ `,
|
|
|
+ bindings: workerRuntimeTools({ never: async () => { calls += 1; return null } }),
|
|
|
+ })
|
|
|
+ expect(calls).toBe(0)
|
|
|
+ expect(result.value).toEqual([8001, 8002, 8003, 8004].map(id => ({
|
|
|
+ type: 'reply',
|
|
|
+ id,
|
|
|
+ ok: false,
|
|
|
+ message: 'binding arguments must be lossless JSON',
|
|
|
+ })))
|
|
|
+ })
|
|
|
+
|
|
|
+ it('contains throwing getters while snapshotting binding resolutions', async () => {
|
|
|
+ const { runtime } = await setup()
|
|
|
+ const result = await runtime.run({
|
|
|
+ program: 'try { await tools.bad({}) } catch (error) { return { name: error.name, toolName: error.toolName, message: error.message } }',
|
|
|
+ bindings: workerRuntimeTools({ bad: async () => Object.defineProperty({}, 'bad', { enumerable: true, get() { throw new Error('getter exploded') } }) }),
|
|
|
+ })
|
|
|
+ expect(result.value).toEqual({ name: 'ToolCallError', toolName: 'bad', message: 'binding resolution must be lossless JSON' })
|
|
|
+ })
|
|
|
+
|
|
|
+ it('revalidates a forged lossy completion at the host boundary', async () => {
|
|
|
+ const { runtime } = await setup()
|
|
|
+ const result = await runtime.run({
|
|
|
+ program: `
|
|
|
+ const { parentPort } = await import('node:worker_threads');
|
|
|
+ parentPort.postMessage({ type: 'done', value: -0 });
|
|
|
+ for (;;) {}
|
|
|
+ `,
|
|
|
+ bindings: [],
|
|
|
+ })
|
|
|
+ expect(result).toEqual({ logs: [], error: { kind: 'invalid-output', message: 'program completion must be lossless JSON' } })
|
|
|
+ })
|
|
|
+
|
|
|
+ it('honors a forged worker-side output-limit signal', async () => {
|
|
|
+ const { runtime } = await setup()
|
|
|
+ const result = await runtime.run({
|
|
|
+ program: `
|
|
|
+ const { parentPort } = await import('node:worker_threads');
|
|
|
+ parentPort.postMessage({ type: 'output-limit' });
|
|
|
+ for (;;) {}
|
|
|
+ `,
|
|
|
+ bindings: [],
|
|
|
+ })
|
|
|
+ expect(result).toEqual({ logs: [], error: { kind: 'output-limit', message: 'outer output exceeded 67108864 bytes' } })
|
|
|
+ })
|
|
|
+
|
|
|
+ it('exposes binding names that collide with Object.prototype as ordinary functions', async () => {
|
|
|
+ const { runtime } = await setup()
|
|
|
+ const result = await runtime.run({
|
|
|
+ program: 'return [await tools["__proto__"]({}), await tools["constructor"]({}), typeof tools["hasOwnProperty"]]',
|
|
|
+ // Computed keys: a literal `'__proto__': …` entry would SET the record's
|
|
|
+ // prototype instead of declaring a binding of that name.
|
|
|
+ bindings: workerRuntimeTools({ ['__proto__']: async () => 'proto-ok', ['constructor']: async () => 'ctor-ok' }),
|
|
|
+ })
|
|
|
+ expect(result.value).toEqual(['proto-ok', 'ctor-ok', 'undefined'])
|
|
|
+ })
|
|
|
+ })
|
|
|
+
|
|
|
+ describe(`${label} — seam misuse and lifecycle`, () => {
|
|
|
+ it('rejects invalid and duplicate binding globals loudly', async () => {
|
|
|
+ const { runtime } = await setup()
|
|
|
+ const cases: [string, RegExp][] = [
|
|
|
+ ['not valid!', /not a usable identifier/],
|
|
|
+ ['await', /not a usable identifier/],
|
|
|
+ ['console', /duplicate binding global/],
|
|
|
+ ]
|
|
|
+ for (const [global, message] of cases) {
|
|
|
+ await expect(runtime.run({ program: 'return 1', bindings: [{ global, functions: {} }] })).rejects.toThrow(message)
|
|
|
+ }
|
|
|
+ await expect(runtime.run({
|
|
|
+ program: 'return 1',
|
|
|
+ bindings: [{ global: 'tools', functions: {} }, { global: 'tools', functions: {} }],
|
|
|
+ })).rejects.toThrow(/duplicate binding global/)
|
|
|
+
|
|
|
+ await expect(runtime.run({
|
|
|
+ program: 'return typeof ToolCallError',
|
|
|
+ bindings: [{ global: 'ToolCallError', functions: {} }],
|
|
|
+ })).resolves.toMatchObject({ value: 'object' })
|
|
|
+ })
|
|
|
+
|
|
|
+ it('rejects malformed or colliding binding error-class declarations', async () => {
|
|
|
+ const { runtime } = await setup()
|
|
|
+ const run = async (bindings: CodeBindingNamespace[]) => await runtime.run({ program: 'return 1', bindings })
|
|
|
+ const namespace = (global: string, name: string, memberNameProperty = 'memberName'): CodeBindingNamespace => ({
|
|
|
+ global,
|
|
|
+ functions: {},
|
|
|
+ errorClass: { name, memberNameProperty },
|
|
|
+ })
|
|
|
+
|
|
|
+ await expect(run([namespace('tools', 'not valid!')])).rejects.toThrow(/error class.*not a usable identifier/)
|
|
|
+ await expect(run([namespace('tools', 'await')])).rejects.toThrow(/error class.*not a usable identifier/)
|
|
|
+ await expect(run([namespace('tools', 'console')])).rejects.toThrow(/duplicate injected global/)
|
|
|
+ await expect(run([namespace('tools', 'tools')])).rejects.toThrow(/duplicate injected global/)
|
|
|
+ await expect(run([
|
|
|
+ namespace('tools', 'CallError'),
|
|
|
+ namespace('helpers', 'CallError'),
|
|
|
+ ])).rejects.toThrow(/duplicate injected global/)
|
|
|
+ await expect(run([namespace('tools', 'CallError', '')])).rejects.toThrow(/member property.*not usable/)
|
|
|
+ await expect(run([namespace('tools', 'CallError', 'message')])).rejects.toThrow(/member property.*not usable/)
|
|
|
+ })
|
|
|
+
|
|
|
+ it('rejects config values that are not positive numbers', async () => {
|
|
|
+ await expect(setup({ computeMs: -1 })).rejects.toThrow(/positive number/)
|
|
|
+ })
|
|
|
+
|
|
|
+ it('rejects a maxWallMs above Node\'s maximum timer delay', async () => {
|
|
|
+ // setTimeout clamps a delay past 2^31-1 ms to 1 ms, so the positivity check
|
|
|
+ // alone would accept a 25-day ceiling that expires on the first tick.
|
|
|
+ await expect(setup({ maxWallMs: 2_147_483_648 }))
|
|
|
+ .rejects.toThrow(/maxWallMs must be at most 2147483647/)
|
|
|
+ // The boundary itself is usable.
|
|
|
+ await expect(setup({ maxWallMs: 2_147_483_647 })).resolves.toBeTruthy()
|
|
|
+ })
|
|
|
+
|
|
|
+ it('requires maxOutputBytes to fit the smallest counted outer payloads', async () => {
|
|
|
+ await expect(setup({ maxOutputBytes: 3 })).rejects.toThrow(/safe integer of at least 4/)
|
|
|
+ await expect(setup({ maxOutputBytes: 4.5 })).rejects.toThrow(/safe integer of at least 4/)
|
|
|
+ })
|
|
|
+
|
|
|
+ it('keeps runs isolated: no state survives from one run to the next', async () => {
|
|
|
+ const { runtime } = await setup()
|
|
|
+ await runtime.run({ program: 'globalThis.leak = "value"; return 1', bindings: [] })
|
|
|
+ const second = await runtime.run({ program: 'return typeof globalThis.leak', bindings: [] })
|
|
|
+ expect(second.value).toBe('undefined')
|
|
|
+ })
|
|
|
+
|
|
|
+ it('disposal aborts in-flight runs, awaits worker exit, and rejects later runs', async () => {
|
|
|
+ const { runtime, dispose } = await setup()
|
|
|
+ const inflight: Promise<CodeRunResult> = runtime.run({ program: 'for (;;) {}', bindings: [] })
|
|
|
+ // Give the worker a moment to actually start spinning.
|
|
|
+ await new Promise(resolve => setTimeout(resolve, 200))
|
|
|
+ await dispose()
|
|
|
+ const result = await inflight
|
|
|
+ expect(result.error).toEqual({ kind: 'abort', message: 'runtime disposed' })
|
|
|
+ await expect(runtime.run({ program: 'return 1', bindings: [] })).rejects.toThrow(/after disposal/)
|
|
|
+ }, 15_000)
|
|
|
+ })
|
|
|
+}
|
Tianyi Cui