#!/usr/bin/env python3
import hashlib
import json
import unittest
from pathlib import Path

import generate_axis3_tutorial_persistence_report

ROOT = Path(__file__).resolve().parents[1]
REPORT = ROOT / "coverage/axis3-tutorial-persistence.report.json"


class Axis3TutorialPersistenceReportTests(unittest.TestCase):
    def test_contract(self) -> None:
        report = json.loads(REPORT.read_text(encoding="utf-8"))
        self.assertEqual(report["schema"], "axis3-tutorial-persistence-report.v1")
        self.assertEqual(report["task_id"], "TUTORIAL-13")
        self.assertEqual(report["status"], "verified")
        self.assertTrue(report["checks"]["checkpoint_endpoint_parity"])
        self.assertTrue(report["checks"]["bad_checkpoint_fail_closed"])
        unsigned = {key: value for key, value in report.items() if key != "report_sha256"}
        self.assertEqual(report["report_sha256"], hashlib.sha256(generate_axis3_tutorial_persistence_report.canonical(unsigned).encode()).hexdigest())


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