import { describe, it, expect, vi, beforeEach, afterEach } from "vitest";import os from "node:os";import path from "node:path";import { promises as fs } from "node:fs";import { addInput, type Runtime } from "./runtime"; const HASH = "abcdef0123456789abcdef0123456789abcdef01";const MAGNET = `magnet:?xt=urn:btih:${HASH}&dn=Example`; // A stand-in for DownloadQueue that records adds without spinning up webtorrent.function fakeRuntime(dir: string, has = false): { runtime: Runtime; add: ReturnType<typeof vi.fn> } {  const add = vi.fn();  const runtime = {    queue: { has: () => has, add } as unknown as Runtime["queue"],    downloadDir: dir,  };  return { runtime, add };} describe("addInput", () => {  let dir: string;  beforeEach(async () => {    dir = await fs.mkdtemp(path.join(os.tmpdir(), "torlink-rt-"));  });  afterEach(async () => {    await fs.rm(dir, { recursive: true, force: true }).catch(() => {});  });   it("adds a magnet keyed by its info hash", async () => {    const { runtime, add } = fakeRuntime(dir);    expect(await addInput(runtime, MAGNET)).toBe("added");    expect(add).toHaveBeenCalledWith(      { id: HASH, name: "Example", magnet: MAGNET },      dir,    );  });   it("adds a bare info hash", async () => {    const { runtime, add } = fakeRuntime(dir);    expect(await addInput(runtime, HASH)).toBe("added");    expect(add).toHaveBeenCalledOnce();  });   it("reports a duplicate without adding", async () => {    const { runtime, add } = fakeRuntime(dir, true);    expect(await addInput(runtime, MAGNET)).toBe("duplicate");    expect(add).not.toHaveBeenCalled();  });   it("reports invalid input without adding or throwing", async () => {    const { runtime, add } = fakeRuntime(dir);    expect(await addInput(runtime, "not a magnet")).toBe("invalid");    expect(add).not.toHaveBeenCalled();  });   it("rejects a .torrent file path unless the caller opts in", async () => {    const { runtime, add } = fakeRuntime(dir);    const file = path.join(dir, "example.torrent");    expect(await addInput(runtime, file)).toBe("invalid");    expect(add).not.toHaveBeenCalled();    // Opted in (the watch folder), a bad file still fails soft as invalid.    expect(await addInput(runtime, file, { allowTorrentPath: true })).toBe("invalid");  });});