mirror of
https://github.com/DayuanJiang/next-ai-draw-io.git
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63 lines
2.1 KiB
TypeScript
63 lines
2.1 KiB
TypeScript
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// @vitest-environment node
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import { generateText } from "ai"
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import { afterEach, describe, expect, it, vi } from "vitest"
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import { getAIModel } from "@/lib/ai-providers"
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const ENV = ["GOOGLE_GENERATIVE_AI_API_KEY", "GOOGLE_TOP_K", "GOOGLE_TOP_P"]
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const saved = Object.fromEntries(ENV.map((k) => [k, process.env[k]]))
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afterEach(() => {
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for (const k of ENV) {
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if (saved[k] === undefined) delete process.env[k]
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else process.env[k] = saved[k]
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}
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vi.unstubAllGlobals()
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})
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/** Send one request through the real Google provider and return its body */
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async function googleRequestBody() {
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let body: any
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vi.stubGlobal(
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"fetch",
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vi.fn(async (_url: string, init: RequestInit) => {
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body = JSON.parse(init.body as string)
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return new Response(
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JSON.stringify({
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candidates: [
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{
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content: { role: "model", parts: [{ text: "ok" }] },
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finishReason: "STOP",
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},
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],
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}),
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{ headers: { "content-type": "application/json" } },
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)
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}),
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)
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const { model } = getAIModel({
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provider: "google",
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modelId: "gemini-2.5-flash",
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})
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await generateText({ model, prompt: "hi", maxRetries: 0 })
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return body
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}
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describe("Google sampling settings", () => {
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it("sends GOOGLE_TOP_K and GOOGLE_TOP_P in the generation config", async () => {
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process.env.GOOGLE_GENERATIVE_AI_API_KEY = "test-key"
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process.env.GOOGLE_TOP_K = "40"
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process.env.GOOGLE_TOP_P = "0.9"
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const body = await googleRequestBody()
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expect(body.generationConfig).toMatchObject({ topK: 40, topP: 0.9 })
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})
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it("sends neither when they are not set", async () => {
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process.env.GOOGLE_GENERATIVE_AI_API_KEY = "test-key"
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delete process.env.GOOGLE_TOP_K
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delete process.env.GOOGLE_TOP_P
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const body = await googleRequestBody()
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expect(body.generationConfig?.topK).toBeUndefined()
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expect(body.generationConfig?.topP).toBeUndefined()
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})
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})
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