def test_groups_at_regex_helper():
import re
from moler.cmd import RegexHelper
regex_helper = RegexHelper()
if regex_helper.search_compiled(re.compile(r"(\d+)_([A-Z]+)(\w+),(\d+)"),
"111_ABCef,222"):
ones, uppers, lowers, twos = regex_helper.groups()
assert ones == '111'
assert uppers == 'ABC'
assert lowers == 'ef'
assert twos == '222'
def test_groups_without_match_object():
from moler.cmd import RegexHelper
regex_helper = RegexHelper()
with pytest.raises(WrongUsage) as exc:
regex_helper.groups()
assert "Nothing was matched before calling" in str(exc)
