def __init__(self, filename=None):
        self.filename = None
        if filename:
            self.load(filename)
def test_bad_url_error_message():
    values = [
        'google.com',
        'domain.google.com',
        'kevin:pass@google.com/path?query',
        u'google.com/path?\u2713',
    ]

    for value in values:
        yield check_url_error_message, value