# tests/test_helpers.py
from ctf.helpers import check_for_flag

# {{{ test_check_for_flag
def test_check_for_flag():
    """
    Verifies that check_for_flag extracts multiple matching flags or returns empty list.
    """
    res = check_for_flag("flag{one} and flag{two}")
    assert set(res) == {"flag{one}", "flag{two}"}
    res_custom = check_for_flag("custom{first} custom{second}", r"custom\{[a-z]+\}")
    assert set(res_custom) == {"custom{first}", "custom{second}"}
    assert check_for_flag("no flag matches here") == []
# }}}