import json
import unittest
from pathlib import Path
import generate_pentapod_kinematics_report

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

class PentapodKinematicsReportTests(unittest.TestCase):
    def test_contract(self):
        report = json.loads((ROOT / "coverage/pentapod-kinematics.report.json").read_text(encoding="utf-8"))
        self.assertEqual(report["schema"], "pentapod-kinematics-report.v1")
        self.assertEqual(report["implementation_status"], "verified")
        self.assertTrue(report["configuration_candidate"]["scan"])
        self.assertEqual(report["geometry"]["struts"], 5)
        self.assertEqual(report["mapping"]["coordinates"], "XYZAB")
        self.assertEqual(report["workspace_and_boundaries"]["singular_jacobian_error"], -704)
        self.assertEqual(report["workspace_and_boundaries"]["nonpositive_joint_error"], -702)
        self.assertEqual(len(report["configuration_candidates"]), 2)
        self.assertTrue(report["samples"]["byte_identical_json"])
        self.assertTrue(report["samples"]["state_hash_identical"])
        self.assertEqual(report["oracle"]["status"], "blocked")

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

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