#!/usr/bin/env python3
"""Contract tests for the S8-10 final case acceptance aggregate."""

from __future__ import annotations

import hashlib
import json
import unittest
from pathlib import Path

import generate_full_case_acceptance_s8_10


ROOT = Path(__file__).resolve().parents[1]
REPORT = ROOT / "coverage/full-case-acceptance-s8-10.report.json"


class FullCaseAcceptanceS810Tests(unittest.TestCase):
    def test_blocked_acceptance_preserves_implementation_status(self) -> None:
        report = json.loads(REPORT.read_text(encoding="utf-8"))
        self.assertEqual(report["schema"], "full-case-acceptance-s8-10-report.v1")
        self.assertEqual(report["task_id"], "S8-10")
        self.assertEqual(report["status"], "blocked")
        self.assertEqual(report["implementation_status"], "verified")
        self.assertEqual(report["acceptance_status"], "blocked")
        self.assertFalse(report["candidate_eligible"])
        self.assertEqual(report["release_action"], "STOP_RELEASE")

    def test_235_case_and_family_aggregation(self) -> None:
        report = json.loads(REPORT.read_text(encoding="utf-8"))
        coverage = report["coverage"]
        self.assertEqual(coverage["case_matrix"]["case_count"], 235)
        self.assertGreater(coverage["case_matrix"]["blocked"], 0)
        self.assertEqual(coverage["display_families"]["case_count"], 235)
        self.assertEqual(coverage["runtime_extensions"]["runner_counts"]["failed"], 0)
        self.assertIn("remaining_case_blockers", {row["id"] for row in report["blockers"]})
        self.assertIn("official_oracle", {row["id"] for row in report["blockers"]})
        self.assertIn("browser_matrix", {row["id"] for row in report["blockers"]})

    def test_regression_commands_are_recorded(self) -> None:
        report = json.loads(REPORT.read_text(encoding="utf-8"))
        technical = report["real_regression"]["technical"]
        self.assertEqual(technical["status"], "verified")
        self.assertEqual(technical["counts"]["failed"], 0)
        self.assertGreater(technical["counts"]["worker_tests"], 0)
        self.assertGreater(technical["counts"]["app_tests"], 0)

    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(generate_full_case_acceptance_s8_10.canonical(unsigned).encode("utf-8")).hexdigest()
        self.assertEqual(report["report_sha256"], expected)


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