test example

test.py

def test_cmdline_logging_info(caplog, capsys):
    retv = tnefparse.cmdline.tnefparse(('-l', 'INFO', '-rb', 'tests/examples/rtf.tnef'))
    assert not retv
    stdout, _ = capsys.readouterr()
    assert len(stdout) == 593
    assert caplog.record_tuples == [
        ('tnefparse', logging.INFO, 'Skipping checksum for performance'),
    ]

def tnefparse(argv=None):
    "command-line script"
 
    if len(sys.argv) == 1:
        parser.print_help()
        sys.exit(1)
 
    args = parser.parse_args(argv)
 
     if args.logging:
         logger.setLevel(getattr(logging, args.logging))