import hashlib
import json
import unittest
from pathlib import Path

import run_linuxcnc_source_tests

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


class LinuxCncSourceTestExecutionTests(unittest.TestCase):
    def test_report_contract(self):
        report = json.loads((ROOT / "coverage/linuxcnc-source-test-execution-s5.report.json").read_text(encoding="utf-8"))
        self.assertEqual(report["schema"], "linuxcnc-source-test-execution.v1")
        self.assertEqual(report["task_id"], "S5-02")
        self.assertEqual(report["status"], "verified")
        self.assertEqual(report["selection"]["selected"], 12)
        self.assertEqual(report["counts"]["TIMEOUT"], 0)
        self.assertTrue(all(item["wasm_worker_status"] == "ADAPTER_PENDING" for item in report["results"]))

    def test_self_hash(self):
        report = json.loads((ROOT / "coverage/linuxcnc-source-test-execution-s5.report.json").read_text(encoding="utf-8"))
        unsigned = {key: value for key, value in report.items() if key != "report_sha256"}
        self.assertEqual(report["report_sha256"], hashlib.sha256(json.dumps(unsigned, ensure_ascii=False, sort_keys=True, separators=(",", ":")).encode()).hexdigest())

    def test_deterministic(self):
        first = ROOT / "coverage/.linuxcnc-source-test-execution-s5-one.json"
        second = ROOT / "coverage/.linuxcnc-source-test-execution-s5-two.json"
        try:
            self.assertEqual(run_linuxcnc_source_tests.generate(first, 12, 60), run_linuxcnc_source_tests.generate(second, 12, 60))
        finally:
            first.unlink(missing_ok=True)
            second.unlink(missing_ok=True)


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