import { describe, expect, it } from "vite-plus/test"; import {  changedFileName,  selectChangedFilePreview,  shouldAutoExpandChangedFiles,  summarizeChangedFileScopes,} from "./changedFilesPresentation"; describe("changed-files presentation", () => {  it("auto-expands only small, low-churn latest changes", () => {    const smallFiles = [      { path: "src/a.ts", kind: "modified", additions: 80, deletions: 20 },      { path: "src/b.ts", kind: "modified", additions: 60, deletions: 20 },    ];     expect(shouldAutoExpandChangedFiles(smallFiles, true)).toBe(true);    expect(shouldAutoExpandChangedFiles(smallFiles, false)).toBe(false);    expect(      shouldAutoExpandChangedFiles(        [{ path: "src/a.ts", kind: "modified", additions: 201, deletions: 0 }],        true,      ),    ).toBe(false);    expect(      shouldAutoExpandChangedFiles(        Array.from({ length: 6 }, (_, index) => ({          path: `src/${index}.ts`,          kind: "modified",          additions: 1,          deletions: 0,        })),        true,      ),    ).toBe(false);  });   it("summarizes the most prominent top-level scopes", () => {    const files = [      { path: "apps/web/src/App.tsx", kind: "modified", additions: 1, deletions: 0 },      { path: "README.md", kind: "modified", additions: 1, deletions: 0 },      { path: "apps/server/src/index.ts", kind: "modified", additions: 1, deletions: 0 },      { path: "packages/shared/src/git.ts", kind: "modified", additions: 1, deletions: 0 },      { path: "apps\\mobile\\App.tsx", kind: "modified", additions: 1, deletions: 0 },    ];     expect(summarizeChangedFileScopes(files)).toEqual([      { label: "apps", fileCount: 3 },      { label: "root", fileCount: 1 },      { label: "packages", fileCount: 1 },    ]);  });   it("previews files across different scopes before filling from one scope", () => {    const files = [      { path: "apps/web/src/App.tsx", kind: "modified", additions: 1, deletions: 0 },      { path: "apps/web/src/App.test.tsx", kind: "modified", additions: 1, deletions: 0 },      { path: "packages/shared/src/git.ts", kind: "modified", additions: 1, deletions: 0 },      { path: "README.md", kind: "modified", additions: 1, deletions: 0 },    ];     expect(selectChangedFilePreview(files).map((file) => file.path)).toEqual([      "apps/web/src/App.tsx",      "packages/shared/src/git.ts",      "README.md",    ]);    expect(changedFileName("apps\\web\\src\\App.tsx")).toBe("App.tsx");  });});