"""Main command."""
import os
import sys

from pytest_bdd.scripts import main

PATH = os.path.dirname(__file__)


def test_main(monkeypatch, capsys):
    """Test if main commmand shows help when called without the subcommand."""
    monkeypatch.setattr(sys, 'argv', ['pytest-bdd'])
    monkeypatch.setattr(sys, 'exit', lambda x: x)
    main()
    out, err = capsys.readouterr()
    assert 'usage: pytest-bdd [-h]' in err
    assert 'pytest-bdd: error:' in err
