opencode/packages/core/test/tool-registry.test.ts
2026-08-27 23:58:41 -04:00

1141 lines
45 KiB
TypeScript

import { describe, expect } from "bun:test"
import { Agent } from "@opencode-ai/core/agent"
import type { Permission } from "@opencode-ai/core/permission"
import { AppNodeBuilder } from "@opencode-ai/core/effect/app-node-builder"
import { Image } from "@opencode-ai/core/image"
import { PluginHooks } from "@opencode-ai/core/plugin/hooks"
import { Session } from "@opencode-ai/core/session"
import { SessionMessage } from "@opencode-ai/core/session/message"
import { SessionModelRequest } from "@opencode-ai/core/session/model-request"
import { SessionRunnerModel } from "@opencode-ai/core/session/runner/model"
import { LanguageModel } from "@opencode-ai/ai"
import { route } from "@opencode-ai/ai/protocols/openai-chat"
import { State } from "@opencode-ai/core/state"
import { Tool } from "@opencode-ai/core/tool"
import type { Info } from "@opencode-ai/schema/tool"
import { LayerNode } from "@opencode-ai/util/effect/layer-node"
import { executeTool, toolDefinitions } from "./lib/tool"
import { Deferred, Effect, Exit, Fiber, Layer, Logger, Schema, SchemaGetter, SchemaIssue, Scope } from "effect"
import { TestClock } from "effect/testing"
import { z } from "zod"
import { testEffect } from "./lib/effect"
const imageStore = Layer.mock(Image.Service, {
normalize: (resource, content) => {
if (resource === "corrupt.png") return Effect.fail(new Image.DecodeError({ resource }))
if (resource === "too-large.png")
return Effect.fail(
new Image.SizeError({
resource,
width: 9_000,
height: 9_000,
bytes: content.content.length,
maxWidth: 2_000,
maxHeight: 2_000,
maxBytes: 5,
}),
)
return Effect.succeed({
...content,
content: Buffer.from(`${Buffer.from(content.content, "base64").toString()} normalized`).toString("base64"),
mime: "image/jpeg",
})
},
})
const registryLayer = AppNodeBuilder.build(LayerNode.group([Tool.node, PluginHooks.node, SessionModelRequest.node]), [
[Image.node, imageStore],
])
const it = testEffect(registryLayer)
const identity = {
agent: Agent.ID.make("build"),
messageID: SessionMessage.ID.make("msg_registry"),
}
const sessionID = Session.ID.make("ses_registry")
const call = (name: string, id = `call-${name}`): Parameters<Tool.Snapshot["execute"]>[0] => ({
sessionID,
...identity,
call: { type: "tool-call", id, name, input: { text: name } },
})
const make = (): Info => ({
name: "echo",
description: "Echo text",
input: Schema.Struct({ text: Schema.String }),
output: Schema.Struct({ text: Schema.String }),
execute: ({ text }) => Effect.succeed({ output: { text }, content: text }),
})
const constant = (text: string): Info => ({
name: "constant",
description: "Return text",
input: Schema.Struct({ text: Schema.String }),
output: Schema.Struct({ text: Schema.String }),
execute: () => Effect.succeed({ output: { text }, content: text }),
})
const transform = (service: Tool.Interface, tools: Readonly<Record<string, Info>>, options?: Tool.Options) =>
service.transform((draft) =>
Object.entries(tools).forEach(([name, tool]) => draft.add({ ...tool, name, options: options ?? tool.options })),
)
describe("Tool", () => {
it.effect("reads the current draft tools by effective name", () =>
Effect.gen(function* () {
const service = yield* Tool.Service
yield* transform(service, { echo: make() }, { namespace: "acme", codemode: false })
yield* service.transform((draft) => {
expect(draft.list().map((tool) => tool.id)).toEqual(["acme_echo"])
expect(draft.get("acme_echo")?.id).toBe("acme_echo")
expect(draft.get("acme_echo")?.name).toBe("echo")
expect(draft.get("missing")).toBeUndefined()
})
}),
)
it.effect("repairs names and inputs before lookup using the captured request tool set", () =>
Effect.gen(function* () {
const service = yield* Tool.Service
const hooks = yield* PluginHooks.Service
yield* transform(service, { echo: constant("captured"), hidden: make() }, { codemode: false })
const snapshot = yield* service.snapshot()
const modelRequests = yield* SessionModelRequest.Service
yield* hooks.register("session", "context", (event) =>
Effect.sync(() => {
const echo = event.tools.echo
if (!echo) throw new Error("Expected echo definition")
event.tools.alias = echo
delete event.tools.echo
delete event.tools.hidden
}),
)
const prepared = yield* modelRequests.prepare({
scope: {
session: Schema.decodeUnknownSync(Session.Info)({
id: sessionID,
projectID: "project",
location: { directory: "/test" },
cost: 0,
tokens: { input: 0, output: 0, reasoning: 0, cache: { read: 0, write: 0 } },
time: { created: 0, updated: 0 },
}),
agentID: identity.agent,
model: SessionRunnerModel.resolved(LanguageModel.make({ id: "test", provider: "test", route }), {
capabilities: { tools: true, input: ["text"], output: ["text"] },
cost: [],
limit: { context: 200_000, output: 32_000 },
}),
tools: snapshot,
},
transcript: { system: [], messages: [] },
})
expect(prepared.request.tools.map((tool) => tool.name)).toEqual(["execute", "alias"])
yield* transform(service, { echo: constant("new") }, { codemode: false })
const before: string[] = []
const after: string[] = []
yield* hooks.register("tool", "execute.before", (event) =>
Effect.sync(() => {
expect(event).not.toHaveProperty("inputSchema")
before.push(event.tool)
event.tool = event.tool === "typo" ? "alias" : event.tool
event.input = { text: "corrected" }
}),
)
yield* hooks.register("tool", "execute.after", (event) =>
Effect.sync(() => {
after.push(event.tool)
expect(event.input).toEqual({ text: "corrected" })
}),
)
expect((yield* prepared.executeTool(call("typo"))).output).toEqual({ text: "captured" })
expect(before).toEqual(["typo"])
expect(after).toEqual(["echo"])
expect(yield* prepared.executeTool(call("hidden")).pipe(Effect.flip)).toMatchObject({
message: "Tool is not available for this request: hidden",
})
expect(yield* prepared.executeTool(call("echo")).pipe(Effect.flip)).toMatchObject({
message: "Tool is not available for this request: echo",
})
expect(yield* prepared.executeTool(call("missing")).pipe(Effect.flip)).toMatchObject({
message: "Unknown tool: missing",
})
expect(before).toEqual(["typo", "hidden", "echo", "missing"])
expect(after).toEqual(["echo"])
}),
)
it.effect("hooks execute and known Code Mode calls once but leaves unknown interpreter paths unchanged", () =>
Effect.gen(function* () {
const service = yield* Tool.Service
const hooks = yield* PluginHooks.Service
yield* transform(service, { echo: make() })
const seen: string[] = []
yield* hooks.register("tool", "execute.before", (event) =>
Effect.sync(() => {
seen.push(event.tool)
expect(event).not.toHaveProperty("inputSchema")
if (event.tool === "run_code") event.tool = "execute"
}),
)
const snapshot = yield* service.snapshot()
const known = yield* snapshot.execute({
...call("run_code"),
call: {
type: "tool-call",
id: "known",
name: "run_code",
input: { code: 'return await tools.echo({ text: "hello" })' },
},
})
expect(known.output).toMatchObject({ output: '{\n "text": "hello"\n}' })
expect(seen).toEqual(["run_code", "echo"])
const unknown = yield* snapshot.execute({
...call("execute"),
call: {
type: "tool-call",
id: "unknown",
name: "execute",
input: { code: "return await tools.missing({})" },
},
})
expect(unknown.output).toMatchObject({ error: true })
expect(seen).toEqual(["run_code", "echo", "execute"])
}),
)
it.effect("replays mutations on refreshed sources and restores tools on disposal and scope cleanup", () =>
Effect.gen(function* () {
const service = yield* Tool.Service
let text = "original"
const source = yield* Scope.make()
yield* service
.transform((draft) => {
draft.add({ ...constant(text), name: "echo", options: { namespace: "acme", codemode: false } })
draft.add({ ...make(), name: "hidden" })
})
.pipe(Scope.provide(source))
const original = yield* service.snapshot()
const update = yield* service.transform((draft) => {
draft.update("missing", () => {
throw new Error("must not create a tool")
})
draft.remove("missing")
draft.update("acme_echo", (tool) => {
const execute = tool.execute
tool.description = "Updated"
tool.execute = (input, context) =>
execute(input, context).pipe(
Effect.map((result) => ({ ...result, output: { text: `${result.output.text} updated` } })),
)
})
})
const scope = yield* Scope.make()
yield* service.transform((draft) => draft.remove("hidden")).pipe(Scope.provide(scope))
expect((yield* service.snapshot()).codeModeCatalog).toEqual([])
expect((yield* executeTool(service, call("acme_echo"))).output).toEqual({ text: "original updated" })
text = "refreshed"
const reload = yield* service.reload().pipe(Effect.forkChild({ startImmediately: true }))
yield* TestClock.adjust("500 millis")
yield* Fiber.join(reload)
const refreshed = yield* service.snapshot()
expect(refreshed.definitions[0]?.description).toBe("Updated")
expect(refreshed.codeModeCatalog).toEqual([])
expect((yield* refreshed.execute(call("acme_echo"))).output).toEqual({ text: "refreshed updated" })
expect((yield* original.execute(call("acme_echo"))).output).toEqual({ text: "original" })
yield* update.dispose
yield* update.dispose
expect((yield* executeTool(service, call("acme_echo"))).output).toEqual({ text: "refreshed" })
yield* Scope.close(scope, Exit.void)
expect((yield* service.snapshot()).codeModeCatalog?.map((tool) => tool.path)).toEqual(["hidden"])
yield* service.transform((draft) =>
draft.update("acme_echo", (tool) => {
tool.description = "Updated again"
}),
)
yield* Scope.close(source, Exit.void)
expect((yield* service.snapshot()).definitions.map((tool) => tool.name)).toEqual(["execute"])
}),
)
it.effect("updates schemas and executors without renaming tools and applies removal in order", () =>
Effect.gen(function* () {
const service = yield* Tool.Service
yield* service.transform((draft) => {
draft.add({ ...make(), options: { namespace: "acme.tools", codemode: false } })
draft.add({ ...make(), name: "removed", options: { codemode: false } })
draft.remove("removed")
draft.update("removed", () => {
throw new Error("must not resurrect a tool")
})
draft.remove("acme_tools_echo")
draft.add({ ...make(), options: { namespace: "acme.tools", codemode: false } })
draft.update("acme_tools_echo", (tool) => {
tool.name = "renamed"
tool.options = { namespace: "other", codemode: false }
tool.input = Schema.Struct({ value: Schema.Finite })
tool.output = Schema.Finite
tool.execute = ({ value }) => Effect.succeed({ output: value + 1 })
})
})
const snapshot = yield* service.snapshot()
expect(snapshot.definitions.map((tool) => tool.name)).toEqual(["acme_tools_echo", "execute"])
expect(snapshot.definitions[0]?.inputSchema.properties).toEqual({ value: { type: "number" } })
expect(
(yield* snapshot.execute({
...call("acme_tools_echo"),
call: {
type: "tool-call",
id: "updated",
name: "acme_tools_echo",
input: { value: 2 },
},
})).output,
).toBe(3)
expect(yield* snapshot.execute(call("acme_tools_echo")).pipe(Effect.flip)).toBeInstanceOf(Tool.Error)
}),
)
it.effect("skips invalid updates without dropping the existing definition", () =>
Effect.gen(function* () {
const service = yield* Tool.Service
yield* transform(service, { echo: make() }, { codemode: false })
yield* service.transform((draft) =>
draft.update("echo", (tool) => {
Object.assign(tool, { description: undefined })
}),
)
expect((yield* service.snapshot()).definitions[0]?.description).toBe("Echo text")
expect((yield* executeTool(service, call("echo"))).output).toEqual({ text: "echo" })
}),
)
it.effect("replays empty sources on reload and keeps advertised snapshots", () =>
Effect.gen(function* () {
const service = yield* Tool.Service
let source: Info[] = []
yield* service.transform((draft) => source.forEach((tool) => draft.add(tool)))
expect((yield* service.snapshot()).definitions.map((tool) => tool.name)).toEqual(["execute"])
const tool = { ...constant("first"), name: "echo", options: { codemode: false } }
source = [tool]
const first = yield* service.reload().pipe(Effect.forkChild({ startImmediately: true }))
yield* TestClock.adjust("500 millis")
yield* Fiber.join(first)
const advertised = yield* service.snapshot()
expect((yield* advertised.execute(call("echo"))).output).toEqual({ text: "first" })
tool.execute = constant("second").execute
expect((yield* advertised.execute(call("echo"))).output).toEqual({ text: "first" })
const second = yield* service.reload().pipe(Effect.forkChild({ startImmediately: true }))
yield* TestClock.adjust("500 millis")
yield* Fiber.join(second)
expect((yield* executeTool(service, call("echo"))).output).toEqual({ text: "second" })
expect((yield* advertised.execute(call("echo"))).output).toEqual({ text: "first" })
source = []
const removed = yield* service.reload().pipe(Effect.forkChild({ startImmediately: true }))
yield* TestClock.adjust("500 millis")
yield* Fiber.join(removed)
expect((yield* service.snapshot()).definitions.map((tool) => tool.name)).toEqual(["execute"])
expect((yield* advertised.execute(call("echo"))).output).toEqual({ text: "first" })
}),
)
it.effect("disposes overlays once and replays remaining transforms in order", () =>
Effect.gen(function* () {
const service = yield* Tool.Service
const runs: string[] = []
yield* service.transform((draft) => {
runs.push("base")
draft.add({ ...constant("base"), name: "echo", options: { codemode: false } })
})
const scope = yield* Scope.make()
const overlay = yield* service
.transform((draft) => {
runs.push("overlay")
draft.add({ ...constant("overlay"), name: "echo", options: { codemode: false } })
})
.pipe(Scope.provide(scope))
expect(runs).toEqual(["base", "base", "overlay"])
expect((yield* executeTool(service, call("echo"))).output).toEqual({ text: "overlay" })
yield* overlay.dispose
expect(runs).toEqual(["base", "base", "overlay", "base"])
expect((yield* executeTool(service, call("echo"))).output).toEqual({ text: "base" })
yield* overlay.dispose
yield* Scope.close(scope, Exit.void)
expect(runs).toEqual(["base", "base", "overlay", "base"])
}),
)
it.effect("batches tool publication and suppresses terminal teardown replay", () =>
Effect.gen(function* () {
const service = yield* Tool.Service
const runs: string[] = []
const scope = yield* Scope.make()
yield* State.batch(
Effect.gen(function* () {
yield* service.transform((draft) => {
runs.push("base")
draft.add({ ...constant("base"), name: "echo", options: { codemode: false } })
})
yield* service.transform((draft) => {
runs.push("overlay")
draft.add({ ...constant("overlay"), name: "echo", options: { codemode: false } })
})
expect(runs).toEqual([])
expect((yield* service.snapshot()).definitions.map((tool) => tool.name)).toEqual(["execute"])
}).pipe(Scope.provide(scope)),
)
expect(runs).toEqual(["base", "overlay"])
expect((yield* executeTool(service, call("echo"))).output).toEqual({ text: "overlay" })
yield* State.batch(Scope.close(scope, Exit.void), { flush: false })
expect(runs).toEqual(["base", "overlay"])
}),
)
it.effect("uses the last valid addition on replay and restores earlier transforms on disposal", () =>
Effect.gen(function* () {
const service = yield* Tool.Service
yield* transform(service, { echo_tool: constant("base") }, { codemode: false })
let source = [{ ...constant("overlay"), name: "echo.tool", options: { codemode: false } }]
const registration = yield* service.transform((draft) => source.forEach((tool) => draft.add(tool)))
expect((yield* executeTool(service, call("echo_tool"))).output).toEqual({ text: "overlay" })
source = [...source, { ...constant("collision"), name: "echo_tool", options: { codemode: false } }]
const collision = yield* service.reload().pipe(Effect.forkChild({ startImmediately: true }))
yield* TestClock.adjust("500 millis")
yield* Fiber.join(collision)
expect((yield* executeTool(service, call("echo_tool"))).output).toEqual({ text: "collision" })
yield* registration.dispose
expect((yield* executeTool(service, call("echo_tool"))).output).toEqual({ text: "base" })
yield* service.transform((draft) => source.forEach((tool) => draft.add(tool)))
source = [{ ...constant("invalid"), name: "", options: { codemode: false } }]
const invalid = yield* service.reload().pipe(Effect.forkChild({ startImmediately: true }))
yield* TestClock.adjust("500 millis")
yield* Fiber.join(invalid)
expect((yield* executeTool(service, call("echo_tool"))).output).toEqual({ text: "base" })
}),
)
it.effect("logs and skips invalid dotted namespaces", () => {
const output: unknown[] = []
const logger = Logger.map(Logger.formatStructured, (entry) => {
output.push(entry.message)
})
return Effect.gen(function* () {
const service = yield* Tool.Service
yield* transform(service, { echo: make() }, { namespace: "slack..admin" })
expect(output).toEqual([
[
"Skipping invalid tool registration",
{ name: "echo", namespace: "slack..admin", error: 'Invalid tool namespace: "slack..admin"' },
],
])
const snapshot = yield* service.snapshot()
expect(snapshot.definitions.map((tool) => tool.name)).toEqual(["execute"])
expect(snapshot.codeModeCatalog).toEqual([])
}).pipe(Effect.provide(Logger.layer([logger])))
})
it.effect("skips invalid and reserved names while letting the last normalized name win", () =>
Effect.gen(function* () {
const service = yield* Tool.Service
yield* transform(
service,
{
before: make(),
"": make(),
["x".repeat(65)]: make(),
"echo.tool": constant("first"),
echo_tool: constant("last"),
execute: make(),
after: make(),
},
{ codemode: false },
)
const snapshot = yield* service.snapshot()
expect(snapshot.definitions.map((tool) => tool.name)).toEqual(["after", "before", "echo_tool", "execute"])
expect((yield* snapshot.execute(call("before"))).output).toEqual({ text: "before" })
expect((yield* snapshot.execute(call("after"))).output).toEqual({ text: "after" })
expect((yield* snapshot.execute(call("echo_tool"))).output).toEqual({ text: "last" })
expect(snapshot.codeModeCatalog).toEqual([])
}),
)
it.effect("executes native tools without requiring letter-leading names or namespace segments", () =>
Effect.gen(function* () {
const service = yield* Tool.Service
yield* transform(
service,
{ "2d_get_scene": make(), "123": make(), _lookup: make(), "-lookup": make() },
{ codemode: false },
)
yield* transform(service, { "2d_get_scene": make() }, { namespace: "123._private.-tools", codemode: false })
const snapshot = yield* service.snapshot()
expect(snapshot.definitions.map((tool) => tool.name)).toEqual([
"-lookup",
"123",
"123__private_-tools_2d_get_scene",
"2d_get_scene",
"_lookup",
"execute",
])
for (const name of ["2d_get_scene", "123", "_lookup", "-lookup", "123__private_-tools_2d_get_scene"]) {
expect((yield* snapshot.execute(call(name))).output).toEqual({ text: name })
}
}),
)
it.effect("executes Code Mode tools without requiring letter-leading names or namespace segments", () =>
Effect.gen(function* () {
const service = yield* Tool.Service
yield* transform(service, { "2d_get_scene": make(), "123": make(), _lookup: make(), "-lookup": make() })
yield* transform(service, { "2d_get_scene": make() }, { namespace: "123._private.-tools", codemode: true })
const snapshot = yield* service.snapshot()
expect(snapshot.definitions.map((tool) => tool.name)).toEqual(["execute"])
expect(snapshot.codeModeCatalog?.map((tool) => tool.path)).toEqual([
"-lookup",
"123",
"123._private.-tools.2d_get_scene",
"2d_get_scene",
"_lookup",
])
const result = yield* snapshot.execute({
...call("execute"),
call: {
type: "tool-call",
id: "call-nonletter-names",
name: "execute",
input: {
code: `const results = await Promise.all([
tools["2d_get_scene"]({ text: "digit" }),
tools["123"]({ text: "numeric" }),
tools._lookup({ text: "underscore" }),
tools["-lookup"]({ text: "hyphen" }),
tools["123"]._private["-tools"]["2d_get_scene"]({ text: "namespaced" }),
]); return results.map(result => result.text).join(",");`,
},
},
})
expect(result.content).toEqual([{ type: "text", text: "digit,numeric,underscore,hyphen,namespaced" }])
}),
)
it.effect("keeps healthy tools when another namespace is invalid", () =>
Effect.gen(function* () {
const service = yield* Tool.Service
yield* service.transform((draft) => {
draft.add({ ...make(), name: "first", options: { codemode: false } })
draft.add({ ...make(), name: "second", options: { namespace: "invalid..namespace", codemode: false } })
draft.add({ ...make(), name: "second", options: { namespace: "invalid__namespace" } })
})
const snapshot = yield* service.snapshot()
expect(snapshot.definitions.map((tool) => tool.name)).toEqual(["first", "execute"])
expect(snapshot.codeModeCatalog?.map((tool) => tool.path)).toEqual(["invalid__namespace.second"])
}),
)
it.effect("logs invalid tool definitions without dropping healthy tools", () => {
const output: unknown[] = []
const logger = Logger.map(Logger.formatStructured, (entry) => {
output.push(entry.message)
})
return Effect.gen(function* () {
const service = yield* Tool.Service
yield* service.transform((draft) => {
draft.add({ ...make(), name: "healthy", options: { codemode: false } })
draft.add({
name: "phone_type",
input: Schema.Struct({}),
execute: () => Effect.succeed({ content: "ok" }),
options: { codemode: false },
} as unknown as Info)
draft.add({ ...make(), name: "codemode" })
})
expect(output).toEqual([
[
"Skipping invalid tool registration",
{
name: "phone_type",
namespace: undefined,
error: expect.stringContaining('Expected string\n at ["description"]'),
},
],
])
const snapshot = yield* service.snapshot()
expect(snapshot.definitions.map((tool) => tool.name)).toEqual(["healthy", "execute"])
expect(snapshot.codeModeCatalog?.map((tool) => tool.path)).toEqual(["codemode"])
expect((yield* snapshot.execute(call("phone_type")).pipe(Effect.flip)).message).toBe("Unknown tool: phone_type")
}).pipe(Effect.provide(Logger.layer([logger])))
})
it.effect("skipped registrations leave existing tools and scoped cleanup intact", () =>
Effect.gen(function* () {
const service = yield* Tool.Service
yield* transform(service, { echo: constant("original") }, { codemode: false })
yield* Effect.scoped(
Effect.gen(function* () {
yield* service.transform((draft) => {
draft.add({ ...constant("invalid"), name: "echo", description: undefined } as unknown as Info)
draft.add({ ...make(), name: "temporary", options: { codemode: false } })
})
const snapshot = yield* service.snapshot()
expect(snapshot.definitions.map((tool) => tool.name)).toEqual(["echo", "temporary", "execute"])
expect((yield* snapshot.execute(call("echo"))).output).toEqual({ text: "original" })
}),
)
expect((yield* service.snapshot()).definitions.map((tool) => tool.name)).toEqual(["echo", "execute"])
}),
)
it.effect("canonicalizes effective definitions and keeps Code Mode last", () =>
Effect.gen(function* () {
const service = yield* Tool.Service
const tool = make()
const capture = (tools: ReadonlyArray<Info>) =>
Effect.scoped(
Effect.gen(function* () {
yield* service.transform((draft) => tools.forEach(draft.add))
return (yield* service.snapshot()).definitions
}),
)
const first = yield* capture([
{ ...tool, name: "zeta", options: { codemode: false } },
{ ...tool, name: "alpha", options: { codemode: false } },
{ ...tool, name: "beta", options: { namespace: "alpha", codemode: false } },
{ ...tool, name: "echo" },
])
const second = yield* capture([
{ ...tool, name: "echo" },
{ ...tool, name: "beta", options: { namespace: "alpha", codemode: false } },
{ ...tool, name: "alpha", options: { codemode: false } },
{ ...tool, name: "zeta", options: { codemode: false } },
])
expect(first).toEqual(second)
expect(first.map((definition) => definition.name)).toEqual(["alpha", "alpha_beta", "zeta", "execute"])
}),
)
it.effect("snapshots external tools with missing input schemas", () =>
Effect.gen(function* () {
const service = yield* Tool.Service
yield* service.transform((draft) =>
draft.add({
...make(),
input: undefined,
} as unknown as Info),
)
const snapshot = yield* service.snapshot()
expect(snapshot.definitions.map((tool) => tool.name)).toEqual(["execute"])
expect(snapshot.codeModeCatalog?.[0]?.signature).toContain("tools.echo")
}),
)
it.effect("keeps execute available without Code Mode tools unless explicitly denied", () =>
Effect.gen(function* () {
const service = yield* Tool.Service
const available = yield* service.snapshot()
expect(available.definitions.map((tool) => tool.name)).toEqual(["execute"])
expect(available.codeModeCatalog).toEqual([])
const denied = yield* service.snapshot([{ action: "execute", resource: "*", effect: "deny" }])
expect(denied.definitions).toEqual([])
expect(denied.codeModeCatalog).toBeUndefined()
}),
)
it.effect("filters disabled tools with edit aliases and ordered wildcard precedence", () =>
Effect.gen(function* () {
const service = yield* Tool.Service
yield* transform(service, { question: make(), bash: make() }, { codemode: false })
yield* transform(service, { edit: make(), write: make() }, { codemode: false, permission: "edit" })
const names = (permissions: Permission.Ruleset) =>
toolDefinitions(service, permissions).pipe(Effect.map((definitions) => definitions.map((tool) => tool.name)))
expect(yield* names([{ action: "question", resource: "*", effect: "deny" }])).toEqual([
"bash",
"edit",
"write",
"execute",
])
expect(
yield* names([
{ action: "*", resource: "*", effect: "deny" },
{ action: "question", resource: "private", effect: "allow" },
]),
).toEqual(["question"])
expect(
yield* names([
{ action: "question", resource: "private", effect: "allow" },
{ action: "*", resource: "*", effect: "deny" },
]),
).toEqual([])
expect(yield* names([{ action: "edit", resource: "*", effect: "deny" }])).toEqual(["bash", "question", "execute"])
}),
)
it.effect("keeps permission options isolated between registrations", () =>
Effect.gen(function* () {
const service = yield* Tool.Service
const shared = make()
yield* transform(service, { first: shared }, { codemode: false })
yield* transform(service, { second: shared }, { codemode: false, permission: "edit" })
expect(
(yield* toolDefinitions(service, [{ action: "edit", resource: "*", effect: "deny" }])).map((tool) => tool.name),
).toEqual(["first", "execute"])
}),
)
it.effect("removes a scoped registration", () =>
Effect.gen(function* () {
const service = yield* Tool.Service
const scope = yield* Scope.make()
yield* transform(service, { echo: make() }, { codemode: false }).pipe(Scope.provide(scope))
expect((yield* toolDefinitions(service)).map((tool) => tool.name)).toEqual(["echo", "execute"])
yield* Scope.close(scope, Exit.void)
expect((yield* toolDefinitions(service)).map((tool) => tool.name)).toEqual(["execute"])
}),
)
it.effect("preserves an interrupted registration until its scope closes", () =>
Effect.gen(function* () {
const service = yield* Tool.Service
const scope = yield* Scope.make()
const registered = yield* Deferred.make<void>()
const fiber = yield* transform(service, { echo: make() }, { codemode: false }).pipe(
Effect.andThen(Deferred.succeed(registered, undefined)),
Effect.andThen(Effect.never),
Scope.provide(scope),
Effect.forkChild,
)
yield* Deferred.await(registered)
yield* Fiber.interrupt(fiber)
expect((yield* toolDefinitions(service)).map((tool) => tool.name)).toEqual(["echo", "execute"])
yield* Scope.close(scope, Exit.void)
expect((yield* toolDefinitions(service)).map((tool) => tool.name)).toEqual(["execute"])
}),
)
it.effect("returns model errors without swallowing interruption or defects", () =>
Effect.gen(function* () {
const service = yield* Tool.Service
yield* transform(
service,
{
failed: {
name: "failed",
description: "Failed",
input: Schema.Struct({}),
output: Schema.Struct({ ok: Schema.Boolean }),
execute: () => Effect.fail(new Tool.Error({ message: "Denied" })),
},
},
{ codemode: false },
)
expect(
yield* executeTool(service, {
sessionID,
...identity,
call: { type: "tool-call", id: "failed", name: "failed", input: {} },
}),
).toEqual({ status: "error", error: { type: "tool.execution", message: "Denied" } })
expect(
yield* executeTool(service, {
sessionID,
...identity,
call: { type: "tool-call", id: "missing", name: "missing", input: {} },
}),
).toEqual({ status: "error", error: { type: "tool.execution", message: "Unknown tool: missing" } })
yield* transform(
service,
{
defect: {
name: "defect",
description: "Defect",
input: Schema.Struct({}),
output: Schema.Struct({}),
execute: () => Effect.die("unexpected executor defect"),
},
},
{ codemode: false },
)
expect(
yield* service.snapshot().pipe(
Effect.flatMap((toolSet) =>
toolSet.execute({
sessionID,
...identity,
call: { type: "tool-call", id: "defect", name: "defect", input: {} },
}),
),
Effect.catchDefect(Effect.succeed),
),
).toBe("unexpected executor defect")
}),
)
it.effect("exposes execution only through a snapshot", () =>
Effect.gen(function* () {
const service = yield* Tool.Service
expect("definitions" in service).toBe(false)
expect("execute" in service).toBe(false)
expect("settle" in service).toBe(false)
expect(typeof service.snapshot).toBe("function")
}),
)
it.effect("passes complete call identity to tool execution", () =>
Effect.gen(function* () {
const service = yield* Tool.Service
const contexts: Tool.Context[] = []
yield* transform(
service,
{
context: {
name: "context",
description: "Context",
input: Schema.Struct({}),
output: Schema.Struct({ ok: Schema.Boolean }),
execute: (_, context) =>
Effect.sync(() => contexts.push(context)).pipe(Effect.as({ output: { ok: true } })),
},
},
{ codemode: false },
)
yield* executeTool(service, {
sessionID,
...identity,
call: { type: "tool-call", id: "call-context", name: "context", input: {} },
})
expect(contexts).toEqual([
{ sessionID, ...identity, id: Tool.CallID.make("call-context"), progress: expect.any(Function) },
])
}),
)
it.effect("normalizes image tool output once and drops unresizable images", () =>
Effect.gen(function* () {
const service = yield* Tool.Service
yield* transform(
service,
{
snapshot: {
name: "snapshot",
description: "Return images",
input: Schema.Struct({ text: Schema.String }),
output: Schema.Struct({ text: Schema.String }),
execute: ({ text }) =>
Effect.succeed({
output: { text },
content: [
{ type: "file", uri: "data:image/png;base64,aW1hZ2U=", mime: "image/png", name: "frame.png" },
{
type: "file",
uri: "data:image/png;base64,aW1hZ2U=",
mime: "image/png",
name: "too-large.png",
},
{ type: "file", uri: "data:image/png;base64,aW1hZ2U=", mime: "image/png", name: "corrupt.png" },
{ type: "text", text },
],
}),
},
},
{ codemode: false },
)
const execution = yield* executeTool(service, call("snapshot"))
expect(execution.content).toEqual([
{
type: "file",
uri: "data:image/jpeg;base64,aW1hZ2Ugbm9ybWFsaXplZA==",
mime: "image/jpeg",
name: "frame.png",
},
{ type: "text", text: "snapshot" },
{ type: "text", text: "[1 image omitted: could not be decoded.]" },
{ type: "text", text: "[1 image omitted: could not be resized below the image size limit.]" },
])
}),
)
it.effect("normalizes image content added by an after hook", () =>
Effect.gen(function* () {
const service = yield* Tool.Service
const hooks = yield* PluginHooks.Service
yield* transform(service, { hooked: constant("original") }, { codemode: false })
yield* hooks.register("tool", "execute.after", (event) =>
Effect.sync(() => {
if (event.status !== "completed") return
event.result = {
...event.result,
content: [{ type: "file", uri: "data:image/png;base64,aW1hZ2U=", mime: "image/png", name: "hook.png" }],
}
}),
)
expect((yield* executeTool(service, call("hooked"))).content).toEqual([
{
type: "file",
uri: "data:image/jpeg;base64,aW1hZ2Ugbm9ybWFsaXplZA==",
mime: "image/jpeg",
name: "hook.png",
},
])
}),
)
it.effect("publishes progress metadata unchanged", () =>
Effect.gen(function* () {
const service = yield* Tool.Service
yield* transform(
service,
{
progressive: {
name: "progressive",
description: "Emit image progress",
input: Schema.Struct({ text: Schema.String }),
output: Schema.Struct({ text: Schema.String }),
execute: ({ text }, context) =>
context.progress({ stage: "capture" }).pipe(Effect.as({ output: { text } })),
},
},
{ codemode: false },
)
const updates: Tool.Metadata[] = []
yield* executeTool(service, {
...call("progressive"),
progress: (update) =>
Effect.sync(() => {
updates.push(update)
}),
})
expect(updates).toEqual([{ stage: "capture" }])
}),
)
it.effect("enforces transformed codecs at execution and projection boundaries", () =>
Effect.gen(function* () {
const service = yield* Tool.Service
const executed: string[] = []
const Transformed = Schema.Boolean.pipe(
Schema.decodeTo(Schema.String, {
decode: SchemaGetter.transform((value) => (value ? "yes" : "no")),
encode: SchemaGetter.transform((value) => value === "yes"),
}),
)
yield* transform(
service,
{
transformed: {
name: "transformed",
description: "Transform values",
input: Schema.Struct({ value: Transformed }),
output: Schema.Struct({ value: Transformed }),
execute: ({ value }) =>
Effect.sync(() => executed.push(value)).pipe(Effect.as({ output: { value }, content: String(value) })),
},
},
{ codemode: false },
)
// Canonical content observes the decoded domain value; Code Mode observes the encoded value.
expect(
yield* executeTool(service, {
sessionID,
...identity,
call: { type: "tool-call", id: "transformed", name: "transformed", input: { value: true } },
}),
).toEqual({
status: "completed",
output: { value: true },
content: [{ type: "text", text: "yes" }],
})
expect(executed).toEqual(["yes"])
expect(
yield* executeTool(service, {
sessionID,
...identity,
call: { type: "tool-call", id: "invalid-input", name: "transformed", input: { value: "yes" } },
}),
).toMatchObject({
status: "error",
error: {
type: "tool.execution",
message:
'Invalid arguments for tool "transformed":\n- value: Expected boolean\n\nArguments provided:\n{\n "value": "yes"\n}\n\nUpdate the arguments and call the tool again.',
},
})
expect(executed).toEqual(["yes"])
yield* transform(
service,
{
invalid_output: {
name: "invalid_output",
description: "Return invalid output",
input: Schema.Struct({}),
output: Schema.Struct({
value: Schema.Boolean.pipe(
Schema.decodeTo(Schema.String, {
decode: SchemaGetter.transform((value) => String(value)),
encode: SchemaGetter.transformOrFail((value) =>
value === "valid"
? Effect.succeed(true)
: Effect.fail(new SchemaIssue.InvalidValue({ message: "invalid output" }, value)),
),
}),
),
}),
execute: () => Effect.succeed({ output: { value: "invalid" } }),
},
},
{ codemode: false },
)
expect(
yield* executeTool(service, {
sessionID,
...identity,
call: { type: "tool-call", id: "invalid-output", name: "invalid_output", input: {} },
}),
).toMatchObject({
status: "error",
error: { type: "tool.execution", message: expect.stringContaining("invalid value for its output schema") },
})
}),
)
it.effect("registers, advertises, and executes a Zod tool", () =>
Effect.gen(function* () {
const service = yield* Tool.Service
yield* transform(
service,
{
zod: {
name: "zod",
description: "Increment a parsed number",
input: z.object({ count: z.string().transform(Number) }),
output: z.object({ count: z.number() }),
execute: ({ count }) => Effect.succeed({ output: { count: count + 1 } }),
},
},
{ codemode: false },
)
const snapshot = yield* service.snapshot()
expect(snapshot.definitions.find((tool) => tool.name === "zod")?.inputSchema).toMatchObject({
type: "object",
properties: { count: { type: "string" } },
required: ["count"],
})
expect(
yield* snapshot.execute({
sessionID,
...identity,
call: { type: "tool-call", id: "call-zod", name: "zod", input: { count: "41" } },
}),
).toMatchObject({ output: { count: 42 } })
}),
)
it.effect("executes the tool advertised in a model request", () =>
Effect.gen(function* () {
const service = yield* Tool.Service
const scope = yield* Scope.make()
yield* transform(service, { echo: constant("advertised") }, { codemode: false }).pipe(Scope.provide(scope))
const request = yield* service.snapshot()
yield* Scope.close(scope, Exit.void)
yield* transform(service, { echo: constant("replacement") }, { codemode: false })
expect((yield* request.execute(call("echo"))).content).toEqual([{ type: "text", text: "advertised" }])
expect((yield* executeTool(service, call("echo"))).content).toEqual([{ type: "text", text: "replacement" }])
}),
)
it.effect("reveals the previous registration after an overlay closes", () =>
Effect.gen(function* () {
const service = yield* Tool.Service
yield* transform(service, { echo: constant("base") }, { codemode: false })
const overlay = yield* Scope.make()
yield* transform(service, { echo: constant("overlay") }, { codemode: false }).pipe(Scope.provide(overlay))
expect((yield* executeTool(service, call("echo"))).content).toEqual([{ type: "text", text: "overlay" }])
yield* Scope.close(overlay, Exit.void)
expect((yield* executeTool(service, call("echo"))).content).toEqual([{ type: "text", text: "base" }])
}),
)
it.effect("executes and reports progress for codemode tools advertised in a model request", () =>
Effect.gen(function* () {
const service = yield* Tool.Service
const executed: string[] = []
const scope = yield* Scope.make()
yield* transform(service, {
echo: {
name: "echo",
description: "Echo text",
input: Schema.Struct({ text: Schema.String }),
output: Schema.Struct({ text: Schema.String }),
execute: ({ text }, context) =>
Effect.sync(() => executed.push(`old:${text}`)).pipe(
Effect.andThen(context.progress({ stage: "old" })),
Effect.as({ output: { text } }),
),
},
}).pipe(Scope.provide(scope))
const toolSet = yield* service.snapshot()
const execute = toolSet.definitions.find((tool) => tool.name === "execute")
expect(toolSet.codeModeCatalog?.[0]?.signature).toContain("tools.echo")
expect(execute?.description).toContain("confined Code Mode runtime")
expect(execute?.description).not.toContain("Echo text")
yield* Scope.close(scope, Exit.void)
yield* transform(service, {
echo: {
name: "echo",
description: "Echo text",
input: Schema.Struct({ text: Schema.String }),
output: Schema.Struct({ text: Schema.String }),
execute: ({ text }) => Effect.sync(() => executed.push(`new:${text}`)).pipe(Effect.as({ output: { text } })),
},
})
const progress: Tool.Metadata[] = []
const execution = yield* toolSet.execute({
...call("execute"),
call: {
type: "tool-call",
id: "call-execute",
name: "execute",
input: { code: 'return await tools.echo({ text: "request" })' },
},
progress: (update) => Effect.sync(() => progress.push(update)),
})
expect(execution).toMatchObject({ content: [{ type: "text" }] })
expect(executed).toEqual(["old:request"])
expect(progress).toEqual([
{ toolCalls: [{ tool: "echo", status: "running", input: { text: "request" } }] },
{ stage: "old" },
{ toolCalls: [{ tool: "echo", status: "completed", input: { text: "request" } }] },
])
}),
)
})