#!/usr/bin/env python3
# SPDX-License-Identifier: GPL-3.0-or-later
"""Phase-1.0BX read-only stage-fixture guardrails."""

import argparse
import hashlib
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 Phase10BXGuardrails(unittest.TestCase):
    @classmethod
    def setUpClass(cls) -> None:
        cls.data = json.loads((root / "manifests/retroarch/phase-1.0bx-changed-files-timeout-and-read-only-fixture-gate.json").read_text(encoding="utf-8"))

    def test_parent_and_consumed_stop(self) -> None:
        parent = root / "manifests/retroarch/phase-1.0bw-corrected-sdl-materializer-one-shot-gate.json"
        self.assertEqual(hashlib.sha256(parent.read_bytes()).hexdigest(), self.data["source_bindings"]["phase10bw_manifest_sha256"])
        result = self.data["consumed_attempt"]
        self.assertEqual(result["failed_operation"], "verify_changed_files")
        self.assertEqual(result["timeout_seconds"], 10)
        self.assertTrue(result["process_group_terminated"])
        self.assertTrue(result["stage_exists_after"])
        self.assertTrue(result["build_absent_after"])
        self.assertTrue(result["archive_absent_after"])

    def test_fixture_is_one_exact_read_only_command(self) -> None:
        fixture = self.data["fixture"]
        self.assertEqual(fixture["attempts_authorized"], 1)
        self.assertEqual(fixture["argv"][-2:], ["diff", "--name-only"])
        self.assertEqual(fixture["timeout_seconds"], 30)
        self.assertEqual(len(fixture["expected_changed_files"]), 4)
        self.assertFalse(fixture["automatic_retry"])

    def test_only_fixture_is_open(self) -> None:
        auth = self.data["authorizations"]
        self.assertTrue(auth["exact_windows_git_read_only_fixture_authorized"])
        for key, value in auth.items():
            if key != "exact_windows_git_read_only_fixture_authorized":
                self.assertFalse(value, key)
        self.assertFalse(self.data["decision"]["cleanup_allowed"])
        self.assertFalse(self.data["decision"]["materialization_allowed"])


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