def read(*parts):
    """
    Build an absolute path from *parts* and and return the contents of the
    resulting file.  Assume UTF-8 encoding.
    """
    with codecs.open(os.path.join(HERE, *parts), "rb", "utf-8") as f:
        return f.read()
def test_regex_flags_good_input():
    cases = (
        'abcd',
        'ABCabc',
        'ABC',
    )

    case_insensitive = inputs.regex(r'^[A-Z]+$', re.IGNORECASE)

    for value in cases:
        yield assert_equal, case_insensitive(value), value