from __future__ import annotations

from pathlib import Path

from apps.web_api.bootstrap.import_path import ensure_project_root_on_sys_path


def test_ensure_project_root_on_sys_path_inserts_root_once_at_front():
    fake_file = Path("apps/web_api/app.py")
    path_entries = ["existing-entry"]

    project_root = ensure_project_root_on_sys_path(fake_file, path_entries)

    assert path_entries[0] == str(project_root)
    assert path_entries == [str(project_root), "existing-entry"]


def test_ensure_project_root_on_sys_path_does_not_duplicate_existing_root():
    fake_file = Path("apps/web_api/app.py")
    existing_root = str(Path(fake_file).resolve().parents[2])
    path_entries = [existing_root, "existing-entry"]

    project_root = ensure_project_root_on_sys_path(fake_file, path_entries)

    assert project_root == Path(existing_root)
    assert path_entries == [existing_root, "existing-entry"]