import subprocess
from pathlib import Path
from scripts.audit_symlink_targets import audit

_GIT_TIMEOUT = 10


def _init_repo(root: Path):
    subprocess.run(["git", "init", "-q", str(root)], check=True, timeout=_GIT_TIMEOUT)


def test_symlink_audit_accepts_repository_local_target(tmp_path: Path):
    _init_repo(tmp_path)
    (tmp_path / "target.txt").write_text("ok", encoding="utf-8")
    (tmp_path / "link.txt").symlink_to("target.txt")
    subprocess.run(
        ["git", "-C", str(tmp_path), "add", "target.txt", "link.txt"],
        check=True,
        timeout=_GIT_TIMEOUT,
    )
    assert audit(tmp_path) == []


def test_symlink_audit_rejects_external_target(tmp_path: Path):
    root = tmp_path / "repo"
    root.mkdir()
    outside = tmp_path / "secret"
    outside.write_text("x", encoding="utf-8")
    _init_repo(root)
    (root / "link").symlink_to(outside)
    subprocess.run(
        ["git", "-C", str(root), "add", "link"],
        check=True,
        timeout=_GIT_TIMEOUT,
    )
    assert audit(root) == ["link: symlink target escapes repository"]