#!/usr/bin/env python3
"""Contract tests for AXIS-REL-01/02 evidence."""

from __future__ import annotations

import hashlib
import json
import unittest
from pathlib import Path

import generate_axis_release_evidence

ROOT = Path(__file__).resolve().parents[1]
REPORT = ROOT / "coverage/axis-release-evidence.report.json"


class AxisReleaseEvidenceTests(unittest.TestCase):
    def test_contract(self) -> None:
        report = json.loads(REPORT.read_text(encoding="utf-8"))
        self.assertEqual(report["schema"], "axis-release-evidence-report.v1")
        self.assertEqual(report["task_id"], "AXIS-REL-01/02")
        self.assertEqual(report["status"], "partial")
        self.assertEqual(report["summary"]["total_reports"], 7)
        self.assertGreaterEqual(report["summary"]["verified"], 5)
        self.assertEqual(report["release_decision"]["release_action"], "STOP_RELEASE")
        self.assertFalse(report["release_decision"]["candidate_eligible"])
        self.assertTrue(report["integrity"]["release_gate_preserved"])

    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_axis_release_evidence.canonical(unsigned).encode()).hexdigest())


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