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9router/tests/unit/xiaomi-mimo-executor.test.js
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import { describe, it, expect, vi, beforeEach } from "vitest";
import { XiaomiMimoExecutor, __test__ } from "../../open-sse/executors/xiaomi-mimo.js";
import { getExecutor } from "../../open-sse/executors/index.js";
const { bareModel, COOKIE_KEY } = __test__;
const OPENAI_T = { runtimeTransport: { format: "openai", baseUrl: "https://api.xiaomimimo.com/v1/chat/completions" } };
const CLAUDE_T = { runtimeTransport: { format: "claude", baseUrl: "https://api.xiaomimimo.com/anthropic/v1/messages" } };
describe("xiaomi-mimo executor", () => {
let ex;
beforeEach(() => {
ex = new XiaomiMimoExecutor();
});
it("is registered for xiaomi-mimo", () => {
expect(getExecutor("xiaomi-mimo")).toBeInstanceOf(XiaomiMimoExecutor);
});
it("routes Preview models to the account-service route regardless of transport", () => {
const expected = "https://mimo-server-cn.xiaomimimo.com/api/route/chat/completions";
expect(ex.buildUrl("mimo-x-pro-preview", true, 0, OPENAI_T)).toBe(expected);
expect(ex.buildUrl("mimo-x-pro-preview", true, 0, CLAUDE_T)).toBe(expected);
// body.model arrives as `xiaomi/<id>` via upstreamModelId
expect(ex.buildUrl("xiaomi/mimo-x-flash-preview", true, 0, OPENAI_T)).toBe(expected);
});
it("keeps the sourceFormat-matched endpoint for cloud models", () => {
// Regression: a Claude client must reach /anthropic/v1/messages, not /v1/chat/completions.
expect(ex.buildUrl("mimo-v2.5-pro", true, 0, CLAUDE_T)).toBe(CLAUDE_T.runtimeTransport.baseUrl);
expect(ex.buildUrl("mimo-v2.5-pro", true, 0, OPENAI_T)).toBe(OPENAI_T.runtimeTransport.baseUrl);
});
it("authenticates Preview calls with the account cookie", () => {
const headers = ex.buildHeaders({ [COOKIE_KEY]: "serviceToken=abc", accessToken: "sk-x" }, true, "u", "mimo-x-pro-preview");
expect(headers.Cookie).toBe("serviceToken=abc");
expect(headers.Authorization).toBeUndefined();
});
it("authenticates cloud calls with the bearer key", () => {
const headers = ex.buildHeaders({ accessToken: "sk-x" }, true, "u", "mimo-v2.5-pro");
expect(headers.Authorization).toBe("Bearer sk-x");
expect(headers.Cookie).toBeUndefined();
});
it("fails fast when a Preview call has no account session", async () => {
await expect(
ex.execute({ model: "mimo-x-pro-preview", body: {}, stream: true, credentials: {}, log: null }),
).rejects.toThrow(/account session unavailable/);
});
it("flattens content-part arrays to plain strings", () => {
const out = ex.transformRequest(
"mimo-x-pro-preview",
{ messages: [{ role: "user", content: [{ type: "text", text: "a" }, { type: "text", text: "b" }] }] },
true,
{},
);
expect(out.messages[0].content).toBe("ab");
});
it("applies Preview defaults without overriding explicit values", () => {
const body = { messages: [{ role: "user", content: "hi" }], temperature: 0.2 };
const out = ex.transformRequest("mimo-x-pro-preview", body, true, {});
expect(out.temperature).toBe(0.2); // caller's value kept
expect(out.top_p).toBe(0.95); // default filled in
expect(out.max_tokens).toBe(4096);
});
it("leaves cloud bodies free of Preview defaults", () => {
const out = ex.transformRequest("mimo-v2.5-pro", { messages: [{ role: "user", content: "hi" }] }, true, {});
expect(out.thinking).toBeUndefined();
expect(out.max_tokens).toBeUndefined();
});
it("strips a provider/model prefix when testing preview ids", () => {
expect(bareModel("xiaomi/mimo-x-pro-preview")).toBe("mimo-x-pro-preview");
expect(bareModel("mimo-x-pro-preview")).toBe("mimo-x-pro-preview");
});
});