"""Tests for `ria-agent install-udev` and the bundled udev rules."""

from __future__ import annotations

from importlib.resources import files
from unittest.mock import patch

from ria_toolkit_oss.agent import cli as agent_cli


def test_bundled_udev_rules_present_and_cover_usb_sdrs():
    text = files("ria_toolkit_oss.agent").joinpath("udev", "90-ria-sdr.rules").read_text()
    # ADALM-Pluto, RTL-SDR, HackRF, and USRP B2x0 VIDs must be covered.
    for vid in ("0456", "0bda", "1d50", "2500"):
        assert vid in text


def test_install_udev_requires_root(capsys):
    args = agent_cli.argparse.Namespace(dest="/etc/udev/rules.d", group="plugdev", no_reload=True)
    with patch("os.geteuid", return_value=1000):
        rc = agent_cli._cmd_install_udev(args)
    assert rc == 1
    err = capsys.readouterr().err
    assert "requires root" in err
    assert "install-udev" in err


def test_install_udev_writes_rules_when_root(tmp_path, monkeypatch, capsys):
    args = agent_cli.argparse.Namespace(dest=str(tmp_path), group="plugdev", no_reload=True)
    # No SUDO_USER and --no-reload → no subprocess calls; just the file write.
    monkeypatch.delenv("SUDO_USER", raising=False)
    with patch("os.geteuid", return_value=0):
        rc = agent_cli._cmd_install_udev(args)
    assert rc == 0
    written = (tmp_path / "90-ria-sdr.rules").read_text()
    assert "SUBSYSTEM" in written