#!/usr/bin/env python3
# SPDX-License-Identifier: GPL-3.0-or-later
"""Tracked guardrails for Phase-1.0AM."""

from __future__ import annotations

import argparse
import json
from pathlib import Path
import unittest


PARSER = argparse.ArgumentParser()
PARSER.add_argument("--root", type=Path, required=True)
ROOT = PARSER.parse_args().root


class Phase10AMGuardrails(unittest.TestCase):
    @classmethod
    def setUpClass(cls) -> None:
        cls.data = json.loads((ROOT / "manifests/retroarch/phase-1.0am-bounded-copy-model.json").read_text(encoding="utf-8"))

    def test_progress_and_restoration_are_exact(self) -> None:
        contract = self.data["contract"]
        self.assertTrue(contract["exact_progress_reported"])
        self.assertTrue(contract["complete_status_requires_exact_length"])
        self.assertTrue(contract["restore_caps_and_authid_on_every_changed_exit"])
        self.assertTrue(contract["independent_restore_failure_bits"])

    def test_failure_containment_includes_service(self) -> None:
        contract = self.data["contract"]
        self.assertTrue(contract["partial_copy_kills_and_reaps_child"])
        self.assertTrue(contract["restore_failure_kills_child_and_terminates_service"])
        self.assertTrue(contract["terminal_cleanup_failure_is_hard_error"])

    def test_no_real_capability_or_authority(self) -> None:
        contract = self.data["contract"]
        for key in ("credential_interface_present", "process_interface_present",
                    "memory_interface_present", "clock_interface_present"):
            self.assertFalse(contract[key])
        self.assertFalse(any(self.data["authorizations"].values()))
        self.assertFalse(self.data["decision"]["target_implementation_allowed"])
        self.assertFalse(self.data["decision"]["device_action_allowed"])


if __name__ == "__main__":
    unittest.main(argv=[__file__])