import json
import sys
import unittest
from pathlib import Path

sys.path.insert(0, str(Path(__file__).resolve().parent))

from generate_k8_milestone_closeout import OUTPUT, generate


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


class K8MilestoneCloseoutTests(unittest.TestCase):
    def test_closeout_contract_preserves_release_stop(self):
        report = json.loads((ROOT / OUTPUT).read_text(encoding="utf-8"))
        self.assertEqual(report["schema"], "k8-milestone-closeout.v1")
        self.assertEqual(report["task_id"], "K8-REL-06")
        self.assertEqual(report["status"], "complete")
        self.assertEqual(report["milestone_status"], "closed_with_release_blockers")
        self.assertEqual(report["release_action"], "STOP_RELEASE")
        self.assertFalse(report["candidate_eligible"])
        self.assertEqual(report["blocked_count"], 6)
        self.assertTrue(all(value["status"] == "verified" for value in report["checks"].values()))

    def test_generation_is_deterministic(self):
        before = (ROOT / OUTPUT).read_bytes()
        generated = generate(ROOT, ROOT / OUTPUT)
        after = (ROOT / OUTPUT).read_bytes()
        self.assertEqual(before, after)
        self.assertEqual(generated["report_sha256"], json.loads(after.decode())["report_sha256"])


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