opencode/packages/core/test/tool-registry.test.ts

1233 lines
48 KiB
TypeScript

import { describe, expect } from "bun:test"
import { Agent } from "@opencode/core/agent"
import { Permission } from "@opencode/core/permission"
import { AppNodeBuilder } from "@opencode/core/effect/app-node-builder"
import { Image } from "@opencode/core/image"
import { PluginHooks } from "@opencode/core/plugin/hooks"
import { Session } from "@opencode/core/session"
import { SessionMessage } from "@opencode/core/session/message"
import { State } from "@opencode/core/state"
import { Tool } from "@opencode/core/tool"
import type { Info } from "@opencode/schema/tool"
import { LayerNode } from "@opencode/util/effect/layer-node"
import { codeModeListings, executeTool, toolDefinitions } from "./lib/tool"
import { Deferred, Effect, Exit, Fiber, Layer, Logger, Schema, SchemaGetter, SchemaIssue, Scope } from "effect"
import { z } from "zod"
import { testEffect } from "./lib/effect"
import { permissionLayer } from "./lib/permission"
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(`${Buffer.from(content.content, "base64").toString()} normalized`).toString("base64"),
mime: "image/jpeg",
})
},
})
const registryLayer = AppNodeBuilder.build(LayerNode.group([Tool.node, PluginHooks.node]), [
Image.node.replace(imageStore),
Permission.node.replace(permissionLayer()),
])
const it = testEffect(registryLayer)
const identity = {
agent: Agent.ID.make("build"),
messageID: SessionMessage.ID.make("msg_registry"),
}
const sessionID = Session.ID.make("ses_registry")
const call = (name: string, id = `call-${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((editor) =>
Object.entries(tools).forEach(([name, tool]) => editor.add({ ...tool, name, options: options ?? tool.options })),
)
describe("Tool", () => {
it.effect("reads the current editor tools by effective name", () =>
Effect.gen(function* () {
const service = yield* Tool.Service
yield* transform(service, { echo: make() }, { namespace: "acme", codemode: false })
yield* service.transform((editor) => {
expect(editor.list().map((tool) => tool.id)).toEqual(["acme_echo"])
expect(editor.get("acme_echo")?.id).toBe("acme_echo")
expect(editor.get("acme_echo")?.name).toBe("echo")
expect(editor.get("missing")).toBeUndefined()
})
}),
)
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((editor) => {
editor.add({ ...constant(text), name: "echo", options: { namespace: "acme", codemode: false } })
editor.add({ ...make(), name: "hidden" })
})
.pipe(Scope.provide(source))
const original = yield* service.snapshot()
const update = yield* service.transform((editor) => {
editor.update("missing", () => {
throw new Error("must not create a tool")
})
editor.remove("missing")
editor.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((editor) => editor.remove("hidden")).pipe(Scope.provide(scope))
expect((yield* service.snapshot()).codeModeCatalog?.tools).toEqual([])
expect((yield* executeTool(service, call("acme_echo"))).output).toEqual({ text: "original updated" })
text = "refreshed"
yield* service.reload()
const refreshed = yield* service.snapshot()
expect(refreshed.definitions[0]?.description).toBe("Updated")
expect(refreshed.codeModeCatalog?.tools).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(codeModeListings((yield* service.snapshot()).codeModeCatalog!).map((tool) => tool.path)).toEqual([
"hidden",
])
yield* service.transform((editor) =>
editor.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((editor) => {
editor.add({ ...make(), options: { namespace: "acme.tools", codemode: false } })
editor.add({ ...make(), name: "removed", options: { codemode: false } })
editor.remove("removed")
editor.update("removed", () => {
throw new Error("must not resurrect a tool")
})
editor.remove("acme_tools_echo")
editor.add({ ...make(), options: { namespace: "acme.tools", codemode: false } })
editor.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("converts schemas at registration and reuses them in every snapshot", () =>
Effect.gen(function* () {
const service = yield* Tool.Service
let builds = 0
const portable = {
"~standard": {
version: 1,
vendor: "test",
validate: (value: unknown) => ({ value }),
jsonSchema: {
input: () => {
builds++
return { type: "object", properties: { text: { type: "string" } } }
},
output: () => ({ type: "string" }),
},
},
} as const
yield* transform(service, { portable: { ...make(), input: portable } }, { codemode: false })
const registered = builds
const first = yield* service.snapshot()
const second = yield* service.snapshot()
expect(builds).toBe(registered)
expect(second.definitions).toHaveLength(2)
second.definitions.forEach((item, index) => expect(item).toBe(first.definitions[index]))
}),
)
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((editor) =>
editor.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((editor) => source.forEach((tool) => editor.add(tool)))
expect((yield* service.snapshot()).definitions.map((tool) => tool.name)).toEqual(["execute"])
const tool = { ...constant("first"), name: "echo", options: { codemode: false } }
source = [tool]
yield* service.reload()
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" })
yield* service.reload()
expect((yield* executeTool(service, call("echo"))).output).toEqual({ text: "second" })
expect((yield* advertised.execute(call("echo"))).output).toEqual({ text: "first" })
source = []
yield* service.reload()
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((editor) => {
runs.push("base")
editor.add({ ...constant("base"), name: "echo", options: { codemode: false } })
})
const scope = yield* Scope.make()
const overlay = yield* service
.transform((editor) => {
runs.push("overlay")
editor.add({ ...constant("overlay"), name: "echo", options: { codemode: false } })
})
.pipe(Scope.provide(scope))
// Each registration outside a batch notifies immediately, and every rebuild replays all transforms.
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("reads pending tools inside a batch 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((editor) => {
runs.push("base")
editor.add({ ...constant("base"), name: "echo", options: { codemode: false } })
})
yield* service.transform((editor) => {
runs.push("overlay")
editor.add({ ...constant("overlay"), name: "echo", options: { codemode: false } })
})
expect(runs).toEqual([])
expect((yield* service.snapshot()).definitions.map((tool) => tool.name)).toEqual(["echo", "execute"])
expect(runs).toEqual(["base", "overlay"])
}).pipe(Scope.provide(scope)),
)
expect(runs).toEqual(["base", "overlay"])
expect((yield* executeTool(service, call("echo"))).output).toEqual({ text: "overlay" })
yield* State.shutdown(Scope.close(scope, Exit.void))
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((editor) => source.forEach((tool) => editor.add(tool)))
expect((yield* executeTool(service, call("echo_tool"))).output).toEqual({ text: "overlay" })
source = [...source, { ...constant("collision"), name: "echo_tool", options: { codemode: false } }]
yield* service.reload()
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((editor) => source.forEach((tool) => editor.add(tool)))
source = [{ ...constant("invalid"), name: "", options: { codemode: false } }]
yield* service.reload()
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?.tools).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(),
"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?.tools).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(codeModeListings(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((editor) => {
editor.namespace({ name: "invalid..namespace", description: "Invalid" })
editor.add({ ...make(), name: "first", options: { codemode: false } })
editor.add({ ...make(), name: "second", options: { namespace: "invalid..namespace", codemode: false } })
editor.add({ ...make(), name: "second", options: { namespace: "invalid__namespace" } })
})
const snapshot = yield* service.snapshot()
expect(snapshot.definitions.map((tool) => tool.name)).toEqual(["first", "execute"])
expect(codeModeListings(snapshot.codeModeCatalog!).map((tool) => tool.path)).toEqual([
"invalid__namespace.second",
])
}),
)
it.effect("keeps namespace descriptions beside catalog tools", () =>
Effect.gen(function* () {
const service = yield* Tool.Service
yield* service.transform((editor) => {
editor.namespace({ name: "registry", description: "Package publishing and discovery" })
editor.namespace({ name: "registry.search", description: "Pricing operations" })
editor.add({ ...make(), name: "plain", options: { namespace: "legacy" } })
editor.add({ ...make(), name: "direct", options: { namespace: "registry", codemode: false } })
editor.add({ ...make(), name: "search", description: "Search packages", options: { namespace: "registry" } })
editor.add({ ...make(), name: "sales", description: "Read sales", options: { namespace: "registry.search" } })
})
const snapshot = yield* service.snapshot()
expect(snapshot.definitions.map((tool) => tool.name)).toEqual(["registry_direct", "execute"])
expect(codeModeListings(snapshot.codeModeCatalog!).map((tool) => tool.path)).toEqual([
"legacy.plain",
"registry.search",
"registry.search.sales",
])
expect(snapshot.codeModeCatalog?.tools).toEqual([
{
type: "namespace",
name: "legacy",
tools: [expect.objectContaining({ type: "tool", name: "plain" })],
},
{
type: "namespace",
name: "registry",
description: "Package publishing and discovery",
tools: [
expect.objectContaining({ type: "tool", name: "search" }),
{
type: "namespace",
name: "search",
description: "Pricing operations",
tools: [expect.objectContaining({ type: "tool", name: "sales" })],
},
],
},
])
const result = yield* snapshot.execute({
...call("execute"),
call: {
type: "tool-call",
id: "namespace-search",
name: "execute",
input: { code: 'return search({ query: "pricing operations" })' },
},
})
expect(result.output).toMatchObject({ output: expect.stringContaining("tools.registry.search") })
const callable = yield* snapshot.execute({
...call("execute"),
call: {
type: "tool-call",
id: "callable-namespace",
name: "execute",
input: {
code: `return await Promise.all([
tools.registry.search({ text: "search" }),
tools.registry.search.sales({ text: "sales" }),
])`,
},
},
})
expect(callable.output).toMatchObject({
output: expect.stringContaining('"text": "sales"'),
toolCalls: [
{ tool: "registry.search", status: "completed" },
{ tool: "registry.search.sales", status: "completed" },
],
})
}),
)
it.effect("retains namespace descriptions in executable snapshots after appended transforms", () =>
Effect.gen(function* () {
const service = yield* Tool.Service
yield* service.transform((editor) => {
editor.namespace({ name: "acme", description: "Archival operations" })
editor.add({ ...make(), options: { namespace: "acme" } })
})
const advertised = yield* service.snapshot()
yield* service.transform((editor) => {
editor.namespace({ name: "acme", description: "Billing operations" })
})
const current = yield* service.snapshot()
expect(advertised.codeModeCatalog?.tools).toMatchObject([{ name: "acme", description: "Archival operations" }])
expect(current.codeModeCatalog?.tools).toMatchObject([{ name: "acme", description: "Billing operations" }])
const search = (snapshot: Tool.Snapshot, query: string) =>
snapshot.execute({
...call("execute"),
call: {
type: "tool-call",
id: `namespace-${query}`,
name: "execute",
input: {
code: `return search({ query: ${JSON.stringify(query)} }).items.map(item => item.path).join(",")`,
},
},
})
expect((yield* search(advertised, "archival")).output).toMatchObject({ output: "tools.acme.echo" })
expect((yield* search(advertised, "billing")).output).toMatchObject({ output: "" })
expect((yield* search(current, "archival")).output).toMatchObject({ output: "" })
expect((yield* search(current, "billing")).output).toMatchObject({ output: "tools.acme.echo" })
}),
)
it.effect("preserves a top-level tool that also has child tools", () =>
Effect.gen(function* () {
const service = yield* Tool.Service
yield* service.transform((editor) => {
editor.namespace({ name: "pricing", description: "Pricing operations" })
editor.add({ ...make(), name: "pricing" })
editor.add({ ...make(), name: "sales", options: { namespace: "pricing" } })
})
const snapshot = yield* service.snapshot()
expect(codeModeListings(snapshot.codeModeCatalog!).map((tool) => tool.path)).toEqual(["pricing", "pricing.sales"])
const result = yield* snapshot.execute({
...call("execute"),
call: {
type: "tool-call",
id: "top-level-callable",
name: "execute",
input: {
code: `return await Promise.all([
tools.pricing({ text: "pricing" }),
tools.pricing.sales({ text: "sales" }),
])`,
},
},
})
expect(result.output).toMatchObject({ output: expect.stringContaining('"text": "sales"') })
}),
)
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((editor) => {
editor.add({ ...make(), name: "healthy", options: { codemode: false } })
editor.add({
name: "phone_type",
input: Schema.Struct({}),
execute: () => Effect.succeed({ content: "ok" }),
options: { codemode: false },
} as unknown as Info)
editor.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(codeModeListings(snapshot.codeModeCatalog!).map((tool) => tool.path)).toEqual(["codemode"])
expect((yield* snapshot.execute(call("phone_type")).pipe(Effect.flip)).message).toBe(
'No tool named "phone_type" is currently available. Please use a tool from the available tool list.',
)
}).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((editor) => {
editor.add({ ...constant("invalid"), name: "echo", description: undefined } as unknown as Info)
editor.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((editor) => tools.forEach(editor.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((editor) =>
editor.add({
...make(),
input: undefined,
} as unknown as Info),
)
const snapshot = yield* service.snapshot()
expect(snapshot.definitions.map((tool) => tool.name)).toEqual(["execute"])
expect(codeModeListings(snapshot.codeModeCatalog!)[0]?.line).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?.tools).toEqual([])
const denied = yield* service.snapshot([{ action: "execute", resource: "*", effect: "deny" }])
expect(denied.definitions).toEqual([])
expect(denied.codeModeCatalog).toBeUndefined()
}),
)
it.effect("exposes Code Mode tools directly when execute is denied", () =>
Effect.gen(function* () {
const service = yield* Tool.Service
yield* transform(service, { lookup: make() }, { namespace: "mcp" })
yield* transform(service, { bash: make() }, { codemode: false })
const denyExecute: Permission.Ruleset = [{ action: "execute", resource: "*", effect: "deny" }]
const snapshot = yield* service.snapshot(denyExecute)
expect(snapshot.definitions.map((tool) => tool.name)).toEqual(["bash", "mcp_lookup"])
expect(snapshot.codeModeCatalog).toBeUndefined()
expect((yield* snapshot.execute(call("mcp_lookup"))).output).toEqual({ text: "mcp_lookup" })
const hidden = yield* service.snapshot([...denyExecute, { action: "mcp_lookup", resource: "*", effect: "deny" }])
expect(hidden.definitions.map((tool) => tool.name)).toEqual(["bash"])
expect(yield* hidden.execute(call("mcp_lookup")).pipe(Effect.flip)).toBeInstanceOf(Tool.Error)
}),
)
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: 'No tool named "missing" is currently available. Please use a tool from the available tool list.',
},
})
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("lists registered tools by effective name", () =>
Effect.gen(function* () {
const service = yield* Tool.Service
yield* transform(service, { echo: make() }, { codemode: false })
yield* transform(service, { count: { ...constant("1"), name: "count" } }, { namespace: "acme" })
expect((yield* service.list()).map((tool) => [tool.id, tool.name])).toEqual([
["echo", "echo"],
["acme_count", "count"],
])
yield* service.transform((editor) => editor.remove("echo"))
expect((yield* service.list()).map((tool) => tool.id)).toEqual(["acme_count"])
}),
)
;[
{ name: "string", content: "hooked", text: "hooked" },
{ name: "empty string", content: "", text: "" },
{ name: "missing content", content: undefined, text: '{"text":"hooked"}' },
{ name: "empty content array", content: [], text: '{"text":"hooked"}' },
].forEach((input) => {
it.effect(`normalizes ${input.name} after the final tool hook`, () =>
Effect.gen(function* () {
const service = yield* Tool.Service
const hooks = yield* PluginHooks.Service
yield* transform(service, { echo: make() }, { codemode: false })
yield* hooks.register("tool", "execute.after", (event) =>
Effect.sync(() => {
if (event.status !== "completed") return
event.result = {
output: { text: "hooked" },
content: input.content,
metadata: { source: "hook" },
}
}),
)
const snapshot = yield* service.snapshot()
expect(yield* snapshot.execute(call("echo"))).toEqual({
output: { text: "hooked" },
content: [{ type: "text", text: input.text }],
metadata: { source: "hook" },
})
}),
)
})
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("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.transformEffect((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(codeModeListings(toolSet.codeModeCatalog!)[0]?.line).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(execution.metadata?.toolCalls).toEqual([{ tool: "echo", status: "completed", input: { text: "request" } }])
expect(executed).toEqual(["old:request"])
// The inner tool's own progress would replace the call rows, so it is not published.
expect(progress).toEqual([{ toolCalls: [{ tool: "echo", status: "running", input: { text: "request" } }] }])
}),
)
})