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eb1202c | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 | import { describe, expect, test } from "bun:test"
import { Effect, Schema } from "effect"
import { HttpClientRequest } from "effect/unstable/http"
import { LLM, mergeProviderOptions } from "../src"
import { AnthropicMessages, OpenAIChat } from "../src/protocols"
import { Auth, LLMClient } from "../src/route"
import { it } from "./lib/effect"
import { dynamicResponse } from "./lib/http"
import { deltaChunk } from "./lib/openai-chunks"
import { sseEvents } from "./lib/sse"
const TargetJson = Schema.fromJsonString(Schema.Unknown)
const decodeJson = Schema.decodeUnknownSync(TargetJson)
describe("request option precedence", () => {
test("deep-merges provider option records and replaces arrays, primitives, and null", () => {
const merged = mergeProviderOptions(
{
openai: {
include: ["route"],
metadata: { route: true, shared: "route" },
nullable: "route",
primitive: "route",
},
},
{
openai: {
include: ["model"],
metadata: { model: true, shared: "model" },
nullable: null,
primitive: "model",
},
},
{ openai: { metadata: { request: true }, primitive: false } },
)
expect(merged).toEqual({
openai: {
include: ["model"],
metadata: { route: true, model: true, request: true, shared: "model" },
nullable: null,
primitive: false,
},
})
})
it.effect("prepares bodies with route defaults, model defaults, and call options in order", () =>
Effect.gen(function* () {
const route = OpenAIChat.route.with({
endpoint: { baseURL: "https://api.openai.test/v1/" },
auth: Auth.bearer("test"),
generation: { maxTokens: 10, temperature: 1, stop: ["route"] },
providerOptions: { openai: { store: false, reasoningEffort: "low" } },
})
const model = route.model({
id: "gpt-4o-mini",
defaults: {
generation: { maxTokens: 20, temperature: 0.5, frequencyPenalty: 0.25, stop: ["model"] },
providerOptions: { openai: { reasoningEffort: "medium" } },
},
})
const prepared = yield* LLMClient.prepare<OpenAIChat.OpenAIChatBody>(
LLM.request({
model,
prompt: "Say hello.",
generation: { maxTokens: 30, topP: 0.9, stop: ["request"] },
providerOptions: { openai: { store: true } },
}),
)
expect(prepared.body).toMatchObject({
model: "gpt-4o-mini",
stream: true,
max_tokens: 30,
temperature: 0.5,
top_p: 0.9,
frequency_penalty: 0.25,
store: true,
reasoning_effort: "medium",
})
expect(prepared.body.stop).toEqual(["request"])
}),
)
it.effect("applies model HTTP defaults before request HTTP overlays", () =>
LLMClient.generate(
LLM.request({
model: OpenAIChat.route
.with({
endpoint: { baseURL: "https://api.openai.test/v1/" },
auth: Auth.bearer("fresh-key"),
http: {
body: { metadata: { route: true, shared: "route" }, value: "route" },
headers: { "x-route": "route", "x-shared": "route" },
query: { route: "1", shared: "route" },
},
})
.model({
id: "gpt-4o-mini",
defaults: {
http: {
body: { metadata: { model: true, shared: "model" }, value: "model" },
headers: { "x-model": "model", "x-shared": "model" },
query: { model: "1", shared: "model" },
},
},
}),
prompt: "Say hello.",
http: {
body: { metadata: { request: true }, value: null },
headers: { "x-request": "request" },
query: { request: "1" },
},
}),
).pipe(
Effect.provide(
dynamicResponse((input) =>
Effect.gen(function* () {
const web = yield* HttpClientRequest.toWeb(input.request).pipe(Effect.orDie)
expect(web.url).toBe("https://api.openai.test/v1/chat/completions?route=1&shared=model&model=1&request=1")
expect(web.headers.get("authorization")).toBe("Bearer fresh-key")
expect(web.headers.get("x-route")).toBe("route")
expect(web.headers.get("x-model")).toBe("model")
expect(web.headers.get("x-request")).toBe("request")
expect(web.headers.get("x-shared")).toBe("model")
expect(decodeJson(input.text)).toMatchObject({
metadata: { route: true, model: true, request: true, shared: "model" },
value: null,
})
return input.respond(sseEvents(deltaChunk({}, "stop")), {
headers: { "content-type": "text/event-stream" },
})
}),
),
),
),
)
it.effect("rejects raw body overlays for protocol-owned roots", () =>
Effect.gen(function* () {
const model = OpenAIChat.route
.with({ endpoint: { baseURL: "https://api.openai.test/v1/" }, auth: Auth.bearer("test") })
.model({ id: "gpt-4o-mini" })
const error = yield* LLMClient.prepare(
LLM.request({
model,
prompt: "Say hello.",
http: { body: { model: "gpt-5", messages: [], tools: [] } },
}),
).pipe(Effect.flip)
expect(error.reason).toMatchObject({
_tag: "InvalidRequest",
message: "http.body cannot overlay protocol-owned field(s): model, messages, tools",
})
}),
)
it.effect("uses model output limits after route limits and before call maxTokens", () =>
Effect.gen(function* () {
const route = AnthropicMessages.route.with({
endpoint: { baseURL: "https://api.anthropic.test/v1/" },
auth: Auth.header("x-api-key", "test"),
limits: { output: 128 },
})
const model = route.model({ id: "claude-sonnet-4-5", defaults: { limits: { output: 64 } } })
const withoutMaxTokens = yield* LLMClient.prepare<AnthropicMessages.AnthropicMessagesBody>(
LLM.request({ model, prompt: "Say hello.", cache: "none" }),
)
const withMaxTokens = yield* LLMClient.prepare<AnthropicMessages.AnthropicMessagesBody>(
LLM.request({ model, prompt: "Say hello.", cache: "none", generation: { maxTokens: 32 } }),
)
expect(withoutMaxTokens.body.max_tokens).toBe(64)
expect(withMaxTokens.body.max_tokens).toBe(32)
}),
)
})
|