import { describe, expect, test } from "bun:test";
import { isSafeTreePath } from "./tree-path";

describe("isSafeTreePath (INT-A22)", () => {
  test("accepts ordinary repository paths", () => {
    expect(isSafeTreePath("src/index.ts")).toBe(true);
    expect(isSafeTreePath("README")).toBe(true);
    expect(isSafeTreePath(".github/workflows/ci.yml")).toBe(true);
  });

  test("rejects traversal, git metadata, absolute paths and control characters", () => {
    for (const path of [
      "",
      "/etc/passwd",
      "../x",
      "a/../b",
      ".git/hooks/post-checkout",
      "a/.GIT/config",
      "a\\b",
      "a\u0000b",
      "dir/",
      "a//b",
      "git~1/x",
      "trailing. ",
    ]) {
      expect(isSafeTreePath(path)).toBe(false);
    }
  });
});