test_AFW.py 文件源码

def test_afw_union_empty_states_1(self):
        """ Tests a afw union where the first afw is empty """
        union = AFW.afw_union(self.afw_union_test_empty,
                              self.afw_union_1_test_01)
        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_union_1_test_01, word)
                original_acceptance_2 = AFW.afw_word_acceptance(
                    self.afw_union_test_empty, word)
                union_acceptance = AFW.afw_word_acceptance(union, word)
                self.assertEqual(
                    original_acceptance_1 or original_acceptance_2,
                    union_acceptance)
            i += 1