def test_recombine_weight(self):
p1 = Individual([0, 5], self.f)
p2 = Individual([3, 10], self.f)
result = p1.recombine(p2, 0.1)
self.assertAlmostEqual(result.x[0], 0.3, delta=1e-10)
self.assertAlmostEqual(result.x[1], 5.5, delta=1e-10)
self.assertAlmostEqual(result.get_y(), 5.8, delta=1e-10)
def test_mutate(self):
m = Individual([0, 5], self.f)
for i in range(1000):
m.mutate(20)
self.assertTrue(self.f.min_d <= m.x[1] - m.x[0] <= self.f.max_d)
self.assertTrue(0 <= m.x[0] < self.f.clip.duration - self.f.min_d)
self.assertTrue(self.f.min_d < m.x[1] <= self.f.clip.duration)
def test_recombine(self):
p1 = Individual([0, 6], self.f)
p2 = Individual([3, 9], self.f)
result = p1.recombine(p2, 0.5)
self.assertAlmostEqual(result.x[0], 1.5, delta=1e-10)
self.assertAlmostEqual(result.x[1], 7.5, delta=1e-10)
self.assertAlmostEqual(result.get_y(), 9, delta=1e-10)
def test_get_y(self):
i = Individual([2, 8], self.f)
self.assertIsNone(i.y)
self.assertEqual(i.get_y(), 10)
i.x = [5, 9]
i.x_changed = True
self.assertEqual(i.y, 10)
i.get_y()
self.assertEqual(i.y, 14)