def test_should_the_solution_remain_unchanged(self):
operator = NullCrossover()
solution1 = BinarySolution(number_of_variables=1, number_of_objectives=1)
solution1.variables[0] = [True, False, False, True, True, False]
solution2 = BinarySolution(number_of_variables=1, number_of_objectives=1)
solution2.variables[0] = [False, True, False, False, True, False]
offspring = operator.execute([solution1, solution2])
self.assertEqual([True, False, False, True, True, False], offspring[0].variables[0])
self.assertEqual([False, True, False, False, True, False], offspring[1].variables[0])
def test_should_the_solution_remain_unchanged(self):
operator = NullCrossover()
solution1 = BinarySolution(number_of_variables=1, number_of_objectives=1)
solution1.variables[0] = [True, False, False, True, True, False]
solution2 = BinarySolution(number_of_variables=1, number_of_objectives=1)
solution2.variables[0] = [False, True, False, False, True, False]
offspring = operator.execute([solution1, solution2])
self.assertEqual([True, False, False, True, True, False], offspring[0].variables[0])
self.assertEqual([False, True, False, False, True, False], offspring[1].variables[0])
def test_should_constructor_create_a_non_null_object(self):
solution = NullCrossover()
self.assertIsNotNone(solution)
def test_should_constructor_create_a_valid_operator(self):
operator = NullCrossover()
self.assertEqual(0, operator.probability)