#!/usr/bin/env python3
"""Contract tests for the real LinuxCNC case condition report."""

from __future__ import annotations

import hashlib
import json
import sys
import unittest
from pathlib import Path

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


ROOT = Path(__file__).resolve().parents[1]
REPORT = ROOT / "coverage/native-linuxcnc-case-conditions.report.json"


class NativeLinuxCNCConditionsTests(unittest.TestCase):
    def test_conditions(self) -> None:
        report = json.loads(REPORT.read_text(encoding="utf-8"))
        self.assertEqual(report["schema"], "native-linuxcnc-case-conditions.v1")
        self.assertEqual(report["status"], "verified")
        self.assertTrue(report["cases"]["minimal_xyz"]["started"])
        self.assertTrue(report["cases"]["corexy_missing_resources"]["started"])
        self.assertTrue(report["cases"]["corexy_with_temporary_fixture"]["started"])
        self.assertTrue(report["conditions"]["case_directory_must_be_writable"])
        self.assertTrue(report["conditions"]["browser_equivalent_must_supply_explicit_workspace_files"])

    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"}
        canonical = json.dumps(unsigned, ensure_ascii=False, sort_keys=True, separators=(",", ":"))
        self.assertEqual(report["report_sha256"], hashlib.sha256(canonical.encode()).hexdigest())


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