def test_afw_complementation_empty_transitions(self):
""" Tests a complementation of a afw without transitions"""
self.afw_complementation_test_01['transitions'] = {}
result = copy.deepcopy(self.afw_complementation_test_01)
result['accepting_states'] = {'q1', 'q2'}
for state in result['states']:
for action in result['alphabet']:
result['transitions'][state, action] = 'True'
complemented = AFW.afw_complementation(
self.afw_complementation_test_01)
self.assertEqual(complemented, result)
def test_afw_complementation(self):
""" Test a correct afw complementation comparing the language read,
that must be discording"""
afw_complemented = AFW.afw_complementation(
self.afw_complementation_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)
afw_acceptance = AFW.afw_word_acceptance(
self.afw_complementation_test_01, word)
complement_acceptance = AFW.afw_word_acceptance(
afw_complemented, word)
self.assertNotEqual(afw_acceptance, complement_acceptance)
i += 1
def test_afw_complementation_side_effects(self):
""" Tests the function doesn't make any side effect on the input """
before = copy.deepcopy(self.afw_complementation_test_01)
AFW.afw_complementation(self.afw_complementation_test_01)
self.assertDictEqual(before, self.afw_complementation_test_01)
def test_afw_complementation_wrong_dict(self):
""" Tests a dict() in input different from a well formatted dict()
representing a DFA. [EXPECTED FAILURE]"""
AFW.afw_complementation({'goofy': 'donald'})
def test_afw_complementation_wrong_input(self):
""" Tests an input different from a dict() object. [EXPECTED
FAILURE]"""
AFW.afw_complementation(0)
def test_afw_complementation_empty_states(self):
""" Tests a complementation of a afw without states"""
complemented = AFW.afw_complementation(
self.afw_complementation_test_empty)
self.assertEqual(complemented, self.afw_complementation_test_empty)