// Covers DeepSeek provider usage fetch parsing.

import { describe, expect, it } from "vitest";

import { describe, expect, it, vi } from "vitest";

import { createProviderUsageFetch, makeResponse } from "../test-utils/provider-usage-fetch.js";

import { fetchDeepSeekUsage } from "./provider-usage.fetch.deepseek.js";

});

it("returns HTTP errors for failed balance requests", async () => {

const mockFetch = createProviderUsageFetch(async () =>

makeResponse(401, { error: "invalid api key" }),

);

const response = makeResponse(401, { error: "invalid api key" });

const cancel = vi.spyOn(response.body!, "cancel").mockResolvedValue(undefined);

const mockFetch = createProviderUsageFetch(async () => response);

const result = await fetchDeepSeekUsage("deepseek-key", 5000, mockFetch);

expect(cancel).toHaveBeenCalledOnce();

expect(result.error).toBe("HTTP 401");

expect(result.windows).toHaveLength(0);

expect(result.summary).toBeUndefined();