import json
import unittest
from pathlib import Path

import generate_genser_report

ROOT = Path(__file__).resolve().parents[1]

class GenserReportTests(unittest.TestCase):
    def test_contract(self):
        report = json.loads((ROOT / "coverage/genser-kinematics.report.json").read_text(encoding="utf-8"))
        self.assertEqual(report["schema"], "genser-kinematics-report.v1")
        self.assertTrue(all(row["scan"] for row in report["configuration_candidates"].values()))
        self.assertTrue(report["samples"]["byte_identical_json"])
        self.assertGreaterEqual(report["solver"]["iterations"], 0)
        self.assertEqual(report["oracle"]["status"], "blocked")

    def test_deterministic(self):
        first = ROOT / "coverage/.genser-one.json"
        second = ROOT / "coverage/.genser-two.json"
        try:
            self.assertEqual(generate_genser_report.generate(ROOT, first), generate_genser_report.generate(ROOT, second))
        finally:
            first.unlink(missing_ok=True)
            second.unlink(missing_ok=True)

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