bd51cdba12
- Replace LLMError { module, method, reason } wrapper with a flat tagged
union: BadRequest, Authentication, PermissionDenied, NotFound, RateLimit,
QuotaExceeded, ContentPolicy, ContextOverflow, ServerError, APIError,
ConnectionError, TimeoutError, MalformedResponse, NoRoute.
- Delete the provider-error LLMEvent: streams carry output only and every
failure exits through the typed error channel.
- Add one shared classifyApiFailure classifier used by the HTTP executor,
protocol stream errors, and the AI SDK adapter so all routes classify
identically (including OpenAI in-stream rate_limit_exceeded and
internal_error codes).
- Enforce a terminal contract in LLMClient.stream for every route: EOF
without finish and output after finish fail as MalformedResponse.
- Classify AI SDK failures properly in core/aisdk.ts instead of collapsing
to UnknownProvider; preserve status, headers, body, and retry-after.
- Simplify the session runner: drop held-back overflow events, key overflow
recovery off LLM.ContextOverflow, retry RateLimit | ServerError |
ConnectionError | TimeoutError.
- Map new tags in toSessionError (provider.context-overflow,
provider.timeout, provider.not-found).
100 lines
3.5 KiB
TypeScript
100 lines
3.5 KiB
TypeScript
import { describe, expect } from "bun:test"
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import { Effect } from "effect"
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import { isLLMError } from "../src/schema"
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import { ToolStream } from "../src/protocols/utils/tool-stream"
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import { it } from "./lib/effect"
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const ADAPTER = "test-route"
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describe("ToolStream", () => {
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it.effect("starts from OpenAI-style deltas and finalizes parsed input", () =>
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Effect.gen(function* () {
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const first = ToolStream.appendOrStart(
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ADAPTER,
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ToolStream.empty<number>(),
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0,
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{ id: "call_1", name: "lookup", text: '{"query"' },
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"missing tool",
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)
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if (ToolStream.isError(first)) return yield* first
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const second = ToolStream.appendOrStart(ADAPTER, first.tools, 0, { text: ':"weather"}' }, "missing tool")
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if (ToolStream.isError(second)) return yield* second
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const finished = yield* ToolStream.finish(ADAPTER, second.tools, 0)
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expect(first.events).toEqual([
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{ type: "tool-input-start", id: "call_1", name: "lookup" },
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{ type: "tool-input-delta", id: "call_1", name: "lookup", text: '{"query"' },
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])
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expect(second.events).toEqual([{ type: "tool-input-delta", id: "call_1", name: "lookup", text: ':"weather"}' }])
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expect(finished).toEqual({
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tools: {},
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events: [
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{ type: "tool-input-end", id: "call_1", name: "lookup" },
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{ type: "tool-call", id: "call_1", name: "lookup", input: { query: "weather" } },
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],
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})
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}),
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)
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it.effect("fails appendExisting when the provider skipped the tool start", () =>
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Effect.gen(function* () {
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const error = ToolStream.appendExisting(ADAPTER, ToolStream.empty<number>(), 0, "{}", "missing tool")
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expect(isLLMError(error)).toBe(true)
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if (ToolStream.isError(error))
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expect(error).toMatchObject({ _tag: "LLM.MalformedResponse", message: "missing tool" })
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}),
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)
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it.effect("uses final input override without losing accumulated deltas", () =>
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Effect.gen(function* () {
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const tools = ToolStream.start(ToolStream.empty<string>(), "item_1", {
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id: "call_1",
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name: "lookup",
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input: '{"query":"partial"}',
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})
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const finished = yield* ToolStream.finishWithInput(ADAPTER, tools, "item_1", '{"query":"final"}')
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expect(finished).toEqual({
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tools: {},
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events: [
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{ type: "tool-input-end", id: "call_1", name: "lookup" },
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{ type: "tool-call", id: "call_1", name: "lookup", input: { query: "final" } },
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],
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})
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}),
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)
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it.effect("preserves providerExecuted and clears all tools", () =>
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Effect.gen(function* () {
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const first: ToolStream.State<number> = ToolStream.start(ToolStream.empty<number>(), 0, {
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id: "call_1",
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name: "lookup",
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input: "{}",
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})
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const tools = ToolStream.start(first, 1, {
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id: "call_2",
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name: "web_search",
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input: '{"query":"docs"}',
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providerExecuted: true,
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})
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const finished = yield* ToolStream.finishAll(ADAPTER, tools)
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expect(finished).toEqual({
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tools: {},
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events: [
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{ type: "tool-input-end", id: "call_1", name: "lookup" },
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{ type: "tool-call", id: "call_1", name: "lookup", input: {} },
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{ type: "tool-input-end", id: "call_2", name: "web_search" },
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{
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type: "tool-call",
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id: "call_2",
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name: "web_search",
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input: { query: "docs" },
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providerExecuted: true,
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},
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],
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})
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}),
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)
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})
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