sanity.py 文件源码

def assert_found(patt, filename, msg=None, encoding='utf-8'):
    """Assert that regex pattern ``patt`` is found in the file ``filename``.

    :arg patt: The regex pattern to search.
        Any standard Python `regular expression
        <https://docs.python.org/3.6/library/re.html#regular-expression-syntax>`_
        is accepted.
    :arg filename: The name of the file to examine.
        Any :class:`OSError` raised while processing the file will be
        propagated as a :class:`reframe.core.exceptions.SanityError`.
    :arg encoding: The name of the encoding used to decode the file.
    :returns: ``True`` on success.
    :raises reframe.core.exceptions.SanityError: if assertion fails.
    """
    num_matches = count(finditer(patt, filename, encoding))
    try:
        evaluate(assert_true(num_matches))
    except SanityError:
        error_msg = msg or "pattern `{0}' not found in `{1}'"
        raise SanityError(_format(error_msg, patt, filename))
    else:
        return True