def test_invalid_size(self):
eca = ECA(30, 5)
eca.size = 8
with self.assertRaises(ValueError):
eca.size = -1
with self.assertRaises(ValueError):
eca.size = 0
with self.assertRaises(TypeError):
eca.size = "5"
def test_transitions_eca(self):
net = ECA(30, 1)
self.assertEqual([0, 0], list(net.transitions))
net.size = 2
self.assertEqual([0, 1, 2, 0], list(net.transitions))
net.size = 3
self.assertEqual([0, 7, 7, 1, 7, 4, 2, 0], list(net.transitions))
net.size = 10
trans = net.transitions
self.assertEqual(1024, len(trans))
self.assertEqual([0, 515, 7, 517, 14, 525, 11,
521, 28, 543], list(trans[:10]))
self.assertEqual([18, 16, 13, 14, 10, 8, 7, 4, 2, 0],
list(trans[-10:]))
def test_update_numpy(self):
eca = ECA(30, 1, (0, 1))
lattice = np.asarray([0])
eca.update(lattice)
self.assertTrue(np.array_equal([1], lattice))
eca.size = 2
lattice = np.asarray([0, 0])
eca.update(lattice)
self.assertTrue(np.array_equal([0, 1], lattice))
eca.size = 5
lattice = [0, 0, 1, 0, 0]
eca.update(lattice)
self.assertTrue(np.array_equal([0, 1, 1, 1, 1], lattice))
eca.update(lattice)
self.assertTrue(np.array_equal([1, 1, 0, 0, 0], lattice))
def test_update_open(self):
eca = ECA(30, 1, (0, 1))
lattice = [0]
eca.update(lattice)
self.assertEqual([1], lattice)
eca.size = 2
lattice = [0, 0]
eca.update(lattice)
self.assertEqual([0, 1], lattice)
eca.size = 5
lattice = [0, 0, 1, 0, 0]
eca.update(lattice)
self.assertEqual([0, 1, 1, 1, 1], lattice)
eca.update(lattice)
self.assertEqual([1, 1, 0, 0, 0], lattice)