def test_try_match(regexps, string, expected):
regexps = re.compile(regexps) if isinstance(regexps, str) else list(map(re.compile, regexps))
match = util.try_match(regexps, string)
if not expected:
assert match is None
elif isinstance(expected, str):
assert match.groups()[0] == expected
else:
assert match is not None
def _parse_line(line, regexps):
match = try_match(regexps, line)
return match.groupdict() if match is not None else None
