import json
import sys
import unittest
from pathlib import Path

sys.path.insert(0, str(Path(__file__).resolve().parent))
from generate_wasm_function_closure_t6 import OUTPUT, digest, generate


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


class WasmFunctionClosureT6Tests(unittest.TestCase):
    def test_contract(self):
        report = json.loads((ROOT / OUTPUT).read_text(encoding="utf-8"))
        self.assertEqual(report["schema"], "wasm-function-closure-t6.v1")
        self.assertEqual(report["task_id"], "T6-FUNCTION-CLOSURE-01")
        self.assertEqual(report["context_id"], "linuxcnc-2.10.0-pre0-wasm-m1-py-c1")
        self.assertEqual(report["status"], "blocked")
        self.assertEqual(report["counts"]["rows"], 8)
        self.assertEqual(report["counts"]["blocked"], 8)
        self.assertEqual(report["counts"]["test_blocked"], 0)
        self.assertEqual(len(report["failure_samples"]), 4)
        for row in report["matrix"]:
            self.assertIn(row["status"], {"verified", "blocked", "queued"})
            for field in ("owner", "source_refs", "verified_slice", "tests", "difference", "stop_reason", "next_action"):
                self.assertTrue(row[field], f"{row['id']} missing {field}")
        self.assertEqual(report["checks"]["no_js_fallback"]["status"], "verified")
        self.assertEqual(report["checks"]["selected_case_boundary"]["status"], "verified")
        self.assertEqual(report["release_action"], "STOP_RELEASE")

    def test_self_hash_and_determinism(self):
        before = (ROOT / OUTPUT).read_bytes()
        report = generate(ROOT, ROOT / OUTPUT)
        self.assertEqual(before, (ROOT / OUTPUT).read_bytes())
        self.assertEqual(report["report_sha256"], digest({key: value for key, value in report.items() if key != "report_sha256"}))


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