import { describe, expect, it } from "vite-plus/test"; import {  formatFileCommentRange,  normalizeFileCommentRange,  remapFileCommentAnnotations,} from "./fileCommentAnnotations";import { isMarkdownPreviewFile, setMarkdownTaskChecked } from "./filePreviewMode"; describe("file comment annotations", () => {  it("normalizes and formats selected line ranges", () => {    expect(normalizeFileCommentRange({ start: 16, end: 7 })).toEqual({      startLine: 7,      endLine: 16,    });    expect(formatFileCommentRange(7, 7)).toBe("L7");    expect(formatFileCommentRange(7, 16)).toBe("L7 to L16");  });   it("keeps an annotation range attached when Pierre remaps its anchor line", () => {    expect(      remapFileCommentAnnotations([        {          lineNumber: 20,          metadata: {            entries: [              {                id: "comment-1",                kind: "comment",                startLine: 7,                endLine: 16,                text: "Keep this guarded.",              },            ],          },        },      ]),    ).toEqual([      {        lineNumber: 20,        metadata: {          entries: [            {              id: "comment-1",              kind: "comment",              startLine: 11,              endLine: 20,              text: "Keep this guarded.",            },          ],        },      },    ]);  });}); describe("isMarkdownPreviewFile", () => {  it("recognizes markdown and MDX files case-insensitively", () => {    expect(isMarkdownPreviewFile("README.md")).toBe(true);    expect(isMarkdownPreviewFile("docs/guide.MDX")).toBe(true);  });   it("does not treat other text files as markdown", () => {    expect(isMarkdownPreviewFile("docs/guide.txt")).toBe(false);    expect(isMarkdownPreviewFile("docs/markdown.ts")).toBe(false);  });}); describe("setMarkdownTaskChecked", () => {  const markdown = "- [ ] First\n- [x] Second\n";   it("checks and unchecks the task marker at the supplied offset", () => {    expect(setMarkdownTaskChecked(markdown, 2, true)).toBe("- [x] First\n- [x] Second\n");    expect(setMarkdownTaskChecked(markdown, 14, false)).toBe("- [ ] First\n- [ ] Second\n");    expect(setMarkdownTaskChecked("1. [X] Ordered\n", 3, false)).toBe("1. [ ] Ordered\n");  });   it("leaves the document unchanged for a stale or invalid marker offset", () => {    expect(setMarkdownTaskChecked(markdown, 0, true)).toBe(markdown);    expect(setMarkdownTaskChecked(markdown, 200, true)).toBe(markdown);  });});