def test_set_worstfactor(self):
fit = FitnessLinearRanking(self.fitness_list, .6)
self.assertAlmostEqual(0.6, fit._worstfactor)
fit.set_worstfactor(.7)
self.assertAlmostEqual(.7, fit._worstfactor)
self.assertRaises(ValueError, fit.set_worstfactor, -.1)
self.assertRaises(ValueError, fit.set_worstfactor, 2.1)
def test_set_worstfactor(self):
fit = FitnessLinearRanking(self.fitness_list, 0.6)
self.assertAlmostEqual(0.6, fit._worstfactor)
fit.set_worstfactor(0.7)
self.assertAlmostEqual(0.7, fit._worstfactor)
self.assertRaises(ValueError, fit.set_worstfactor, -0.1)
self.assertRaises(ValueError, fit.set_worstfactor, 2.1)
def test_linear_ranking(self):
pass
fit = FitnessLinearRanking(self.fitness_list, .6)
prob_list = fit._linear_ranking(3, .6)
self.assertAlmostEqual(0.199999999, prob_list[0])
self.assertAlmostEqual(0.333333333, prob_list[1])
self.assertAlmostEqual(0.466666666, prob_list[2])
self.assertLessEqual(prob_list[0], prob_list[1])
self.assertLessEqual(prob_list[1], prob_list[2])
self.assertAlmostEqual(1.0, sum(prob_list))
prob_list = fit._linear_ranking(3, .2)
self.assertAlmostEqual(0.06666667, prob_list[0])
self.assertAlmostEqual(0.33333333, prob_list[1])
self.assertAlmostEqual(0.6, prob_list[2])
self.assertLessEqual(prob_list[0], prob_list[1])
self.assertLessEqual(prob_list[1], prob_list[2])
self.assertAlmostEqual(1.0, sum(prob_list))
def test_linear_ranking(self):
pass
fit = FitnessLinearRanking(self.fitness_list, 0.6)
prob_list = fit._linear_ranking(3, 0.6)
self.assertAlmostEqual(0.199999999, prob_list[0])
self.assertAlmostEqual(0.333333333, prob_list[1])
self.assertAlmostEqual(0.466666666, prob_list[2])
self.assertLessEqual(prob_list[0], prob_list[1])
self.assertLessEqual(prob_list[1], prob_list[2])
self.assertAlmostEqual(1.0, sum(prob_list))
prob_list = fit._linear_ranking(3, 0.2)
self.assertAlmostEqual(0.06666667, prob_list[0])
self.assertAlmostEqual(0.33333333, prob_list[1])
self.assertAlmostEqual(0.6, prob_list[2])
self.assertLessEqual(prob_list[0], prob_list[1])
self.assertLessEqual(prob_list[1], prob_list[2])
self.assertAlmostEqual(1.0, sum(prob_list))
def test_select(self):
fit = FitnessLinearRanking(self.fitness_list, .6)
count = len([i for i in fit.select()])
self.assertEqual(3, count)
def test_classinit_(self):
fit = FitnessLinearRanking(self.fitness_list, .6)
self.assertAlmostEqual(0.6, fit._worstfactor)
def test_select(self):
fit = FitnessLinearRanking(self.fitness_list, 0.6)
count = len([i for i in fit.select()])
self.assertEqual(3, count)