def test_nfa_intersection_side_effects(self):
""" Tests that the intersection function doesn't make
side effects on input DFAs"""
before_1 = copy.deepcopy(self.nfa_intersection_1_test_01)
before_2 = copy.deepcopy(self.nfa_intersection_2_test_01)
NFA.nfa_intersection(self.nfa_intersection_1_test_01,
self.nfa_intersection_2_test_01)
self.assertDictEqual(before_1, self.nfa_intersection_1_test_01)
self.assertDictEqual(before_2, self.nfa_intersection_2_test_01)
def conjunction(self, other):
if self.special_attr == 'true' or other.special_attr == 'false':
return other
elif self.special_attr == 'false' or other.special_attr == 'true':
return self
else:
aut_l, aut_r, new_var_map = self.augment_vars(other)
return FiniteAutomaton(NFA.nfa_intersection(aut_l, aut_r),
new_var_map)
def test_nfa_intersection_wrong_dict_2(self):
""" Tests a dict() in input different from a well
formatted dict() representing a NFA. [EXPECTED FAILURE]"""
NFA.nfa_intersection(self.nfa_intersection_1_test_01,
{'goofy': 'donald'})
def test_nfa_intersection_wrong_input_2(self):
""" Tests an input different from a dict() object. [
EXPECTED FAILURE] """
NFA.nfa_intersection(self.nfa_intersection_1_test_01, 0)
def test_nfa_intersection_empty(self):
""" Tests a NFAs intersection where one of them is empty """
intersection = NFA.nfa_intersection(
self.nfa_intersection_1_test_01,
self.nfa_intersection_test_02_empty)
self.assertDictEqual(intersection, self.nfa_intersection_test_02_empty)
def test_nfa_intersection(self):
""" Tests a correct NFAs intersection """
intersection = NFA.nfa_intersection(self.nfa_intersection_1_test_01,
self.nfa_intersection_2_test_01)
self.assertDictEqual(intersection,
self.nfa_intersection_test_01_solution)