tests/test_audit_common.py

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from pathlib import Path
from types import SimpleNamespace
from unittest.mock import patch

import pytest

import scripts.audit_common as common
from scripts.audit_common import relative_files


def test_relative_files_skips_symlinks_that_can_escape_repository(tmp_path: Path):
    root = tmp_path / "repo"
    root.mkdir()
    (root / "inside.txt").write_text("inside\n", encoding="utf-8")
    outside = tmp_path / "outside.txt"
    outside.write_text("outside\n", encoding="utf-8")
    link = root / "outside-link.txt"
    try:
        link.symlink_to(outside)
    except OSError:
        pytest.skip("filesystem does not permit symlink creation")

    assert relative_files(root, suffixes={".txt"}) == [Path("inside.txt")]


def test_tracked_files_rejects_parent_directory_entries(tmp_path: Path):
    result = SimpleNamespace(stdout=b"safe.py\0../outside.py\0")
    with patch.object(common.subprocess, "run", return_value=result):
        with pytest.raises(ValueError, match="outside repository"):
            common.tracked_files(tmp_path)