from tamq.cli import main
import pytest


def test_help_and_version(capsys):
    with pytest.raises(SystemExit) as exc:
        main(["--version"])
    assert exc.value.code == 0
    assert "0.1.0" in capsys.readouterr().out
    assert main([]) == 0
    assert "usage:" in capsys.readouterr().out


def test_attach_delegates_to_tmux(monkeypatch):
    calls = []
    monkeypatch.setattr("tamq.cli.subprocess.run", lambda args, check=False: calls.append((args, check)) or type("R", (), {"returncode": 0})())
    assert main(["attach", "--session", "demo"]) == 0
    assert calls == [(["tmux", "attach-session", "-t", "demo"], False)]