#!/usr/bin/env python3
import json
import sys
import unittest
from pathlib import Path
from tempfile import TemporaryDirectory

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

from native_runner import compare_golden, run_entry


class NativeRunnerTests(unittest.TestCase):
    def setUp(self):
        self.directory = TemporaryDirectory()
        self.root = Path(self.directory.name)
        (self.root / "linuxcnc/tests/demo").mkdir(parents=True)
        (self.root / "linuxcnc/tests/demo/test.sh").write_text("#!/bin/sh\nprintf 'ok\\n'\n", encoding="utf-8")
        (self.root / "artifacts").mkdir()

    def tearDown(self):
        self.directory.cleanup()

    def entry(self, portability="portable_candidate"):
        return {
            "test_source_id": "test:linuxcnc/tests/demo/test.sh",
            "path": "linuxcnc/tests/demo/test.sh",
            "command": "bash linuxcnc/tests/demo/test.sh",
            "portability": portability,
            "parse_status": "parsed",
            "source_sha": "source",
        }

    def test_fixed_runner_emits_stable_content_hashes(self):
        result = run_entry(self.root, self.entry(), self.root / "artifacts", 5)
        self.assertEqual(result["status"], "passed")
        self.assertEqual(result["stdout"], "ok\n")
        self.assertEqual(result["cwd"], "linuxcnc/tests/demo")
        self.assertRegex(result["result_sha256"], r"^[0-9a-f]{64}$")

    def test_real_excluded_is_not_executed_without_override(self):
        result = run_entry(self.root, self.entry("REAL-EXCLUDED"), self.root / "artifacts", 5)
        self.assertEqual(result["status"], "REAL-EXCLUDED")
        self.assertNotIn("exit_code", result)

    def test_golden_comparison_is_explicit(self):
        actual = {"status": "passed", "exit_code": 0}
        self.assertEqual(compare_golden(actual, {"schema": "native-golden.v1", "expected": actual})["status"], "passed")
        self.assertEqual(compare_golden(actual, {"schema": "native-golden.v1", "expected": {"exit_code": 1}})["status"], "different")
        self.assertEqual(compare_golden(actual, {"schema": "unknown", "expected": actual})["status"], "blocked")


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