import { afterEach, describe, expect, it, vi } from "vite-plus/test"; import type { ComposerFileAttachment } from "../../composerDraftStore";import {  attachVideoThumbnail,  buildExpandedImagePreview,  resolveMarkdownMediaPreview,} from "./ExpandedImagePreview"; describe("resolveMarkdownMediaPreview", () => {  afterEach(() => {    vi.unstubAllGlobals();  });   it.each([    ["t3code:", "https:"],    ["t3code-dev:", "https:"],    ["http:", "http:"],    ["https:", "https:"],  ])(    "resolves protocol-relative media on %s without changing its source",    async (pageProtocol, mediaProtocol) => {      vi.stubGlobal("window", { location: { protocol: pageProtocol } });      const source = "//cdn.example.com/recording.mp4?token=a%2FB&v=1#t=2";      const preview = await resolveMarkdownMediaPreview({        source,        createAssetUrl: async () => {          throw new Error("Remote media must not request a local asset URL.");        },      });       expect(preview?.images[0]).toMatchObject({        src: `${mediaProtocol}${source}`,        originalUrl: source,        actionsSource: {          src: `${mediaProtocol}${source}`,          reference: { kind: "url", url: source },        },      });    },  );}); describe("buildExpandedImagePreview", () => {  it("keeps window capture details with the expanded image", () => {    const source = {      kind: "snap-shot" as const,      capturedAt: "2026-09-01T00:00:00.000Z",      appName: "Editor",      windowTitle: "main.ts",      accessibleText: "const answer = 42;",    };    const preview = buildExpandedImagePreview(      [        {          type: "image",          id: "capture-1",          name: "window.png",          mimeType: "image/png",          sizeBytes: 3,          previewUrl: "data:image/png;base64,AQID",          source,        },      ],      "capture-1",    );     expect(preview?.images[0]?.source).toEqual(source);  });   it("builds a video preview for a local video attachment", () => {    const file = new File([new Uint8Array([1, 2, 3])], "demo.mp4", { type: "video/mp4" });    const attachment: ComposerFileAttachment = {      type: "file",      id: "video-1",      name: file.name,      mimeType: file.type,      sizeBytes: file.size,      file,    };     const preview = buildExpandedImagePreview([attachment], attachment.id);     expect(preview).toMatchObject({      images: [{ name: "demo.mp4", type: "video" }],      index: 0,    });    expect(preview?.images[0]?.src).toMatch(/^blob:/);    URL.revokeObjectURL(preview?.images[0]?.src ?? "");  });   it("releases a video thumbnail URL when detached", async () => {    const video = { src: "" } as HTMLVideoElement;    const file = new File([new Uint8Array([1, 2, 3])], "demo.mp4", { type: "video/mp4" });     const detach = attachVideoThumbnail(video, file);    const url = video.src;     expect((await fetch(url)).ok).toBe(true);    detach();    await expect(fetch(url)).rejects.toThrow();  });});