import json
import sys
import unittest
from pathlib import Path

sys.path.insert(0, str(Path(__file__).resolve().parents[0]))
from generate_project_task_readiness import OUTPUT, generate

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


class ProjectTaskReadinessTests(unittest.TestCase):
    def test_contract(self):
        report = json.loads((ROOT / OUTPUT).read_text(encoding="utf-8"))
        self.assertEqual(report["schema"], "project-task-readiness.v1")
        self.assertEqual(report["task_id"], "GOV-01")
        self.assertEqual(report["release_status"], "blocked_external_owner")
        self.assertEqual(report["checks"]["no_self_loop"]["automatic_retry"], False)
        self.assertTrue(all(value["status"] == "verified" for value in report["checks"].values()))

    def test_deterministic(self):
        before = (ROOT / OUTPUT).read_bytes()
        report = generate(ROOT, ROOT / OUTPUT)
        self.assertEqual(before, (ROOT / OUTPUT).read_bytes())
        self.assertEqual(report["report_sha256"], json.loads(before)["report_sha256"])


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