nEngine/apps/editor/test/assets-model.test.ts

import { describe, expect, it } from "vitest";
import type { EditorAssetInfo } from "../src/ipc.js";
import { audioAssets, formatAssetSize, imageAssets, mergeImported, removeById } from "../src/renderer/assets-model.js";

function image(id: string): EditorAssetInfo {
  return { id, kind: "image", mime: "image/png", size: 10, dataUrl: `data:image/png;base64,${id}` };
}

function audio(id: string): EditorAssetInfo {
  return { id, kind: "audio", mime: "audio/ogg", size: 20 };
}

describe("assets-model (F2)", () => {
  it("splits the list into images and audio", () => {
    const list = [image("a"), audio("b"), image("c")];
    expect(imageAssets(list).map((a) => a.id)).toEqual(["a", "c"]);
    expect(audioAssets(list).map((a) => a.id)).toEqual(["b"]);
  });

  it("mergeImported adds new ids, replaces existing ones, and sorts by id", () => {
    const current = [image("b"), image("a")];
    const merged = mergeImported(current, [audio("c"), image("a")]);
    expect(merged.map((a) => a.id)).toEqual(["a", "b", "c"]);
    expect(merged[0]?.kind).toBe("image");
    expect(merged[2]?.kind).toBe("audio");
  });

  it("removeById drops the deleted entry and formatAssetSize is human-readable", () => {
    const list = [image("a"), audio("b")];
    expect(removeById(list, "a").map((a) => a.id)).toEqual(["b"]);
    expect(removeById(list, "missing").map((a) => a.id)).toEqual(["a", "b"]);
    expect(formatAssetSize(512)).toBe("512 B");
    expect(formatAssetSize(2048)).toBe("2.0 KB");
    expect(formatAssetSize(3 * 1024 * 1024)).toBe("3.0 MB");
  });
});