#!/usr/bin/env python3
"""Tests for the deterministic S5-03 source unit adapter report."""

from __future__ import annotations

import hashlib
import json
import sys
import tempfile
import unittest
from pathlib import Path

sys.path.insert(0, str(Path(__file__).resolve().parent))
import generate_linuxcnc_source_unit_s5


ROOT = Path(__file__).resolve().parents[1]
REPORT = ROOT / "coverage/linuxcnc-source-unit-execution-s5.report.json"


class LinuxCncSourceUnitS5Tests(unittest.TestCase):
    def test_report_contract(self):
        report = json.loads(REPORT.read_text(encoding="utf-8"))
        self.assertEqual(report["schema"], "linuxcnc-source-unit-execution.v1")
        self.assertEqual(report["task_id"], "S5-03")
        self.assertEqual(report["status"], "verified")
        self.assertEqual(report["adapter"]["case_count"], 9)
        self.assertEqual(report["adapter"]["case_counts"], {"FAILED": 0, "PASSED": 9})
        self.assertTrue(report["adapter"]["golden_diff"]["byte_identical"])
        self.assertTrue(report["adapter"]["golden_diff"]["json_equal"])
        self.assertEqual(report["ctest"]["status"], "PASSED")
        self.assertEqual(report["upstream_oracle"]["status"], "SOURCE_BLOCKED")

    def test_pending_is_explicit(self):
        report = json.loads(REPORT.read_text(encoding="utf-8"))
        pending = {item["source_id"]: item["adapter"] for item in report["pending_adapters"]}
        self.assertEqual(pending["source-test:linuxcnc/tests/abort/g64/test.sh"], "WORKER_TASK_MOTION_PENDING")
        self.assertEqual(pending["source-test:linuxcnc/tests/abort/feed-rate/test.sh"], "WORKER_TASK_MOTION_PENDING")

    def test_self_hash(self):
        report = json.loads(REPORT.read_text(encoding="utf-8"))
        unsigned = {key: value for key, value in report.items() if key != "report_sha256"}
        actual = hashlib.sha256(generate_linuxcnc_source_unit_s5.canonical(unsigned).encode("utf-8")).hexdigest()
        self.assertEqual(report["report_sha256"], actual)

    def test_deterministic_generation(self):
        with tempfile.TemporaryDirectory() as directory:
            first_path = Path(directory) / "one.json"
            second_path = Path(directory) / "two.json"
            first = generate_linuxcnc_source_unit_s5.generate(ROOT, first_path)
            second = generate_linuxcnc_source_unit_s5.generate(ROOT, second_path)
            self.assertEqual(first, second)


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