"""POSIX npm path classification: only Windows shims are refused (#112041, #30271)."""

from __future__ import annotations

import os
from unittest.mock import patch

from hermes_cli.main_install_repair import _is_windows_npm_path, _resolve_node_runtime_npm


def test_windows_npm_path_refuses_windows_shims_but_not_native_data_mounts():
    """A ``/mnt/<drive>`` WSL interop path or a ``.cmd`` shim is Windows npm; a native Linux
    data mount such as ``/mnt/data`` is not — a folder prefix alone is not a Windows tell."""
    assert _is_windows_npm_path("/mnt/c/Program Files/nodejs/npm")
    assert _is_windows_npm_path("/mnt/d/nodejs/npm")
    assert _is_windows_npm_path("C:\\nodejs\\npm.cmd")
    assert not _is_windows_npm_path("/mnt/data/hermes/home/.local/bin/npm")
    assert not _is_windows_npm_path("/usr/bin/npm")


def test_resolve_node_runtime_npm_never_rescans_path_past_a_windows_shim(monkeypatch):
    """A Windows npm shim is refused on a POSIX host, and no other npm is hunted down on the
    user's PATH: Hermes runs only its PM-managed toolchain."""
    monkeypatch.setenv("PATH", os.pathsep.join(["/mnt/c/Program Files/nodejs", "/mnt/data/node/bin"]))

    with (
        patch("hermes_constants.find_node_executable", return_value="/mnt/c/Program Files/nodejs/npm"),
        patch("shutil.which", return_value="/mnt/data/node/bin/npm"),
    ):
        assert _resolve_node_runtime_npm() is None