Files
book-comic-library/web/test/authImage.test.ts
T

33 lines
1.2 KiB
TypeScript

import { afterEach, beforeEach, expect, it, vi } from "vitest";
import { setToken } from "../src/api/client";
import { __resetImageCache, fetchObjectUrl } from "../src/lib/authImage";
beforeEach(() => {
__resetImageCache();
setToken("T");
(URL as any).createObjectURL = vi.fn(() => "blob:gen");
});
afterEach(() => vi.unstubAllGlobals());
it("blob → objectURL;同 URL 只发一次请求", async () => {
const f = vi.fn(async (_url: any, init: any) => {
expect(init.headers.Authorization).toBe("Bearer T");
return new Response(new Blob(["img"]), { status: 200 });
});
vi.stubGlobal("fetch", f);
expect(await fetchObjectUrl("/api/books/1/cover?v=h")).toBe("blob:gen");
expect(await fetchObjectUrl("/api/books/1/cover?v=h")).toBe("blob:gen");
expect(f).toHaveBeenCalledTimes(1);
});
it("失败不入缓存,重试重新请求", async () => {
let n = 0;
vi.stubGlobal("fetch", async () => {
n++;
return n === 1 ? new Response("x", { status: 500 }) : new Response(new Blob(["img"]), { status: 200 });
});
await expect(fetchObjectUrl("/api/books/2/pages/0?v=h")).rejects.toThrow();
expect(await fetchObjectUrl("/api/books/2/pages/0?v=h")).toBe("blob:gen");
expect(n).toBe(2);
});