#!/usr/bin/env python3
"""Contract tests for S8-08 machine-family report."""

from __future__ import annotations

import hashlib
import json
import unittest
from pathlib import Path

import sys
sys.path.insert(0, str(Path(__file__).resolve().parent))
import generate_machine_families_s8_08


ROOT = Path(__file__).resolve().parents[1]
REPORT = ROOT / "coverage/machine-families-s8-08.report.json"


class MachineFamiliesS808Tests(unittest.TestCase):
    def test_contract(self) -> None:
        report = json.loads(REPORT.read_text(encoding="utf-8")); self.assertEqual(report["schema"], "machine-families-s8-08-report.v1"); self.assertEqual(report["status"], "verified"); self.assertEqual(report["checks"]["delta_joints"]["lineardelta"], [300, 300, 300]); self.assertEqual(report["checks"]["delta_joints"]["rotarydelta"], [10, 10, 10])

    def test_self_hash(self) -> None:
        report = json.loads(REPORT.read_text(encoding="utf-8")); unsigned = {key: value for key, value in report.items() if key != "report_sha256"}; self.assertEqual(report["report_sha256"], hashlib.sha256(generate_machine_families_s8_08.canonical(unsigned).encode()).hexdigest())


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