"""VendorGuard 命令行入口测试。"""

from __future__ import annotations

import unittest

from vendor_guard.cli import _build_utf8_reexec_command, _should_reexec_utf8


class CliTests(unittest.TestCase):
    def test_windows_without_utf8_mode_requires_reexec(self) -> None:
        self.assertTrue(_should_reexec_utf8("nt", 0))
        self.assertFalse(_should_reexec_utf8("nt", 1))
        self.assertFalse(_should_reexec_utf8("posix", 0))

    def test_reexec_command_enables_utf8_and_preserves_arguments(self) -> None:
        command = _build_utf8_reexec_command(["ACME"])

        self.assertEqual(command[1:5], ["-X", "utf8", "-m", "vendor_guard.cli"])
        self.assertEqual(command[5:], ["ACME"])


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