import importlib.util
from pathlib import Path
import unittest


def load_module(module_name: str, path: Path):
    spec = importlib.util.spec_from_file_location(module_name, path)
    module = importlib.util.module_from_spec(spec)
    assert spec.loader is not None
    spec.loader.exec_module(module)
    return module


REPO_ROOT = Path(__file__).resolve().parents[1]
MODULE = load_module(
    "check_commit_message",
    REPO_ROOT / "scripts" / "check_commit_message.py",
)


class CommitMessageValidationTests(unittest.TestCase):
    def test_accepts_gitmoji_shortcode_with_english_message(self):
        errors = MODULE.validate_message(":sparkles: add local hook templates")
        self.assertEqual(errors, [])

    def test_accepts_unicode_gitmoji_with_english_message(self):
        errors = MODULE.validate_message("✨ add ci validation for hooks")
        self.assertEqual(errors, [])

    def test_rejects_message_without_gitmoji_prefix(self):
        errors = MODULE.validate_message("add local hook templates")
        self.assertTrue(any("gitmoji" in error.lower() for error in errors))

    def test_rejects_non_english_message(self):
        errors = MODULE.validate_message(":sparkles: 添加本地 hook")
        self.assertTrue(any("english" in error.lower() for error in errors))


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