import hashlib
import json
import unittest
from pathlib import Path

import generate_configuration_batch_s2_report

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


class ConfigurationBatchS2ReportTests(unittest.TestCase):
    def test_contract(self):
        report = json.loads((ROOT / "coverage/configuration-batch-s2.report.json").read_text(encoding="utf-8"))
        self.assertEqual(report["schema"], "configuration-batch-s2-report.v1")
        self.assertEqual(report["task_id"], "S2-04")
        self.assertEqual(report["status"], "verified")
        self.assertEqual(report["counts"]["registered_entries"], 264)
        self.assertEqual(report["counts"]["entrypoints"], 233)
        self.assertEqual(report["counts"]["ready"], 56)
        self.assertEqual(report["counts"]["blocked"], 208)

    def test_self_hash(self):
        report = json.loads((ROOT / "coverage/configuration-batch-s2.report.json").read_text(encoding="utf-8"))
        unsigned = {key: value for key, value in report.items() if key != "report_sha256"}
        expected = hashlib.sha256(json.dumps(unsigned, ensure_ascii=False, sort_keys=True, separators=(",", ":")).encode()).hexdigest()
        self.assertEqual(report["report_sha256"], expected)

    def test_deterministic(self):
        first = ROOT / "coverage/.configuration-batch-s2-one.json"
        second = ROOT / "coverage/.configuration-batch-s2-two.json"
        try:
            self.assertEqual(generate_configuration_batch_s2_report.generate(first), generate_configuration_batch_s2_report.generate(second))
        finally:
            first.unlink(missing_ok=True)
            second.unlink(missing_ok=True)


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