def test_copyright(capsys):
parser = Parser(copystr='copyright string')
parser.print_help(sys.stdout)
assert 'copyright string' in capsys.readouterr().out
parser.set_copyright('new copyright string')
parser.print_help(sys.stdout)
assert 'new copyright string' in capsys.readouterr().out
def test_customizations(capsys):
with pytest.raises(SystemExit) as e:
Parser().error('something')
assert e.value.code == 3
assert capsys.readouterr().out.endswith('something{0}'.format(os.linesep))
def test_help_exit(capsys):
parser = Parser()
with pytest.raises(SystemExit) as ex:
parser.parse_args(args=['-h'])
assert ex.value.code == 3