#!/usr/bin/env python3
from __future__ import annotations

import hashlib
import json
import unittest
from pathlib import Path


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


class Axis3ToolComparisonTests(unittest.TestCase):
    def test_contract(self) -> None:
        report = json.loads(REPORT.read_text(encoding="utf-8"))
        self.assertEqual(report["schema"], "axis3-tutorial-native-web-tool-comparison.v1")
        self.assertEqual(report["status"], "verified")
        self.assertEqual(report["conclusion"], "native_and_web_tools_match_selected_case_workflow")
        self.assertTrue(all(item["status"] == "verified" for item in report["checks"].values()))
        self.assertEqual(len(report["tools"]["native"]["screenshots"]), 4)
        self.assertEqual(len(report["tools"]["web"]["screenshots"]), 4)

    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"}
        expected = hashlib.sha256(json.dumps(unsigned, ensure_ascii=False, sort_keys=True, separators=(",", ":")).encode()).hexdigest()
        self.assertEqual(report["report_sha256"], expected)


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