test_AFW.py 文件源码

def test_afw_intersection_empty_states_2(self):
        """ Tests a afw intersection where the second afw is empty """
        intersection = AFW.afw_intersection(self.afw_intersection_1_test_01,
                                            self.afw_intersection_test_empty)
        i = 0
        last = 7
        while i <= last:
            base = list(itertools.repeat('a', i))
            base += list(itertools.repeat('b', i))
            # build all permutation of 'a' and 'b' till length i
            word_set = set(itertools.permutations(base, i))
            for word in word_set:
                word = list(word)
                original_acceptance_1 = AFW.afw_word_acceptance(
                    self.afw_intersection_1_test_01, word)
                original_acceptance_2 = AFW.afw_word_acceptance(
                    self.afw_intersection_test_empty, word)
                intersection_acceptance = AFW.afw_word_acceptance(intersection,
                                                                  word)
                self.assertEqual(
                    original_acceptance_1 and original_acceptance_2,
                    intersection_acceptance)
            i += 1