def test_should_the_solution_remain_unchanged_if_the_probability_is_zero(self):
operator = Polynomial(0.0)
solution = FloatSolution(2, 1, 0, [-5, -5, -5], [5, 5, 5])
solution.variables = [1.0, 2.0, 3.0]
mutated_solution = operator.execute(solution)
self.assertEqual([1.0, 2.0, 3.0], mutated_solution.variables)
def test_should_the_solution_change__if_the_probability_is_one(self):
operator = Polynomial(1.0)
solution = FloatSolution(2, 1, 0, [-5, -5, -5], [5, 5, 5])
solution.variables = [1.0, 2.0, 3.0]
FloatSolution.lower_bound = [-5, -5, -5]
FloatSolution.upper_bound = [5, 5, 5]
mutated_solution = operator.execute(solution)
self.assertNotEqual([1.0, 2.0, 3.0], mutated_solution.variables)