"""scripts/check-worktree.py 的组件物化参数：逐个 submodule 物化，并以 --jobs 8 并行拉取。"""
import importlib.util
import subprocess
import unittest
from pathlib import Path
from unittest import mock

SCRIPT = Path(__file__).resolve().parents[1] / "scripts" / "check-worktree.py"
spec = importlib.util.spec_from_file_location("check_worktree", SCRIPT)
check_worktree = importlib.util.module_from_spec(spec)
spec.loader.exec_module(check_worktree)


class MaterializeTests(unittest.TestCase):
    def test_submodule_update_uses_parallel_jobs_per_component(self):
        repo = Path("/fixture/repo")
        child = repo / "modules" / "core"
        calls = []

        def fake_submodules(path):
            return [(child, "a" * 40)] if path == repo else []

        def fake_run(argv, *args, **kwargs):
            calls.append(argv)
            return subprocess.CompletedProcess(argv, 0)

        with mock.patch.object(check_worktree, "submodules", fake_submodules), \
                mock.patch.object(check_worktree, "check_children", lambda *a: None), \
                mock.patch.object(check_worktree.subprocess, "run", fake_run):
            check_worktree.materialize(repo)
        self.assertEqual(calls, [["git", "-C", str(repo), "submodule", "update", "--init",
                                  "--jobs", "8", "--checkout", "--", "modules/core"]])


if __name__ == "__main__":
    unittest.main()