def test_get_forbidden_lengths(self):
"""get_forbidden_lengths should return dict of forbidden seq lens"""
correct_result = str([3, 4, 9])
user_input = SearchPathHelper.standard_forbid_seq[:]
user_input.extend(["AUG", "aaaaccuag"])
test = SearchPath(SearchPathHelper.alphabets, user_input)
real_dict = test._get_forbidden_lengths()
real_list = real_dict.keys()
real_list.sort()
real_result = str(real_list)
self.assertEquals(real_result, correct_result)
