import hashlib
import json
import unittest
from pathlib import Path

import generate_python_runtime_closure_report


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


class PythonRuntimeClosureReportTests(unittest.TestCase):
    def test_report(self):
        report = json.loads((ROOT / "coverage/python-runtime-closure.report.json").read_text(encoding="utf-8"))
        self.assertEqual(report["schema"], "python-runtime-closure-report.v1")
        self.assertEqual(report["status"], "verified")
        self.assertEqual(report["runtime"]["name"], "Pyodide")
        self.assertEqual(report["limits"]["clock"], "logical_tick * 0.001 seconds")

    def test_report_self_hash(self):
        report = json.loads((ROOT / "coverage/python-runtime-closure.report.json").read_text(encoding="utf-8"))
        unsigned = dict(report)
        actual = unsigned.pop("report_sha256")
        self.assertEqual(actual, hashlib.sha256(generate_python_runtime_closure_report.canonical(unsigned).encode("utf-8")).hexdigest())


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