def test_update_index_error(self):
eca = ECA(30, 2)
with self.assertRaises(IndexError):
eca.update([0, 0], index=2)
with self.assertRaises(IndexError):
eca.update([0, 0], index=-1)
def test_update_values(self):
eca = ECA(30, 5)
xs = [0, 0, 1, 0, 0]
self.assertEqual([0, 1, 0, 1, 0], eca.update(xs, values={2: 0}))
self.assertEqual([1, 0, 0, 0, 1], eca.update(xs, values={1: 0, 3: 0}))
self.assertEqual([0, 1, 0, 1, 0], eca.update(xs, values={-1: 0}))
eca.boundary = (1, 1)
xs = [0, 0, 0, 0, 0]
self.assertEqual([1, 0, 1, 0, 1], eca.update(xs, values={2: 1}))
def test_update_pin(self):
eca = ECA(30, 5)
xs = [0, 0, 1, 0, 0]
self.assertEqual([0, 0, 1, 1, 0], eca.update(xs, pin=[1]))
self.assertEqual([0, 0, 1, 0, 1], eca.update(xs, pin=[1]))
self.assertEqual([1, 0, 1, 0, 1], eca.update(xs, pin=[1]))
eca.boundary = (1, 1)
xs = [0, 0, 0, 0, 0]
self.assertEqual([1, 0, 0, 0, 0], eca.update(xs, pin=[-1]))
self.assertEqual([1, 1, 0, 0, 0], eca.update(xs, pin=[0, -1]))
def test_update_values_pin_clash(self):
eca = ECA(30, 5)
with self.assertRaises(ValueError):
eca.update([0, 0, 0, 0, 0], pin=[0], values={0: 1})
with self.assertRaises(ValueError):
eca.update([0, 0, 0, 0, 0], pin=[1], values={1: 0})
with self.assertRaises(ValueError):
eca.update([0, 0, 0, 0, 0], pin=[1], values={0: 0, 1: 0})
with self.assertRaises(ValueError):
eca.update([0, 0, 0, 0, 0], pin=[1, 0], values={0: 0})
def test_reproduce_open_ecas(self):
"""
Ensure that RewiredECAs can reproduce open ECAs
"""
reca = RewiredECA(30, boundary=(1, 0), size=7)
eca = ECA(30, size=7, boundary=(1, 0))
state = [0, 0, 0, 1, 0, 0, 0]
for _ in range(10):
expect = eca.update(np.copy(state))
got = reca.update(state)
self.assertTrue(np.array_equal(expect, got))
def test_update_values_index_clash(self):
eca = ECA(30, 5)
with self.assertRaises(ValueError):
eca.update([0, 0, 0, 0, 0], index=0, values={0: 1})
with self.assertRaises(ValueError):
eca.update([0, 0, 0, 0, 0], index=1, values={1: 0})
with self.assertRaises(ValueError):
eca.update([0, 0, 0, 0, 0], index=1, values={0: 0, 1: 0})
def test_update_pin_index_clash(self):
eca = ECA(30, 2)
with self.assertRaises(ValueError):
eca.update([0, 0], index=0, pin=[1])
with self.assertRaises(ValueError):
eca.update([0, 0], index=1, pin=[1])
with self.assertRaises(ValueError):
eca.update([0, 0], index=1, pin=[0, 1])
def test_update_index_numpy(self):
eca = ECA(30, 5, (1, 1))
lattice = np.asarray([0, 0, 0, 0, 0])
eca.update(lattice, index=0)
self.assertTrue(np.array_equal([1, 0, 0, 0, 0], lattice))
lattice = np.asarray([0, 0, 0, 0, 0])
eca.update(lattice, index=1)
self.assertTrue(np.array_equal([0, 0, 0, 0, 0], lattice))
lattice = np.asarray([0, 0, 1, 0, 0])
eca.update(lattice, index=1)
self.assertTrue(np.array_equal([0, 1, 1, 0, 0], lattice))
def test_update_index(self):
eca = ECA(30, 5, (1, 1))
lattice = [0, 0, 0, 0, 0]
eca.update(lattice, index=0)
self.assertEqual([1, 0, 0, 0, 0], lattice)
lattice = [0, 0, 0, 0, 0]
eca.update(lattice, index=1)
self.assertEqual([0, 0, 0, 0, 0], lattice)
lattice = [0, 0, 1, 0, 0]
eca.update(lattice, index=1)
self.assertEqual([0, 1, 1, 0, 0], lattice)
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)
def test_update_invalid_values(self):
eca = ECA(30, 5)
with self.assertRaises(ValueError):
eca.update([0, 0, 0, 0, 0], values={0: 2})
with self.assertRaises(ValueError):
eca.update([0, 0, 0, 0, 0], values={0: -1})
def test_update_values_none(self):
eca = ECA(30, 5)
xs = [0, 0, 1, 0, 0]
self.assertEqual([0, 1, 1, 1, 0], eca.update(xs, values=None))
self.assertEqual([1, 1, 0, 0, 1], eca.update(xs, values={}))
def test_update_pin_none(self):
eca = ECA(30, 5)
xs = [0, 0, 1, 0, 0]
self.assertEqual([0, 1, 1, 1, 0], eca.update(xs, pin=None))
self.assertEqual([1, 1, 0, 0, 1], eca.update(xs, pin=[]))
def test_invalid_lattice_state_update(self):
eca = ECA(30, 3)
with self.assertRaises(ValueError):
eca.update([-1, 0, 1])
with self.assertRaises(ValueError):
eca.update([1, 0, -1])
with self.assertRaises(ValueError):
eca.update([2, 0, 0])
with self.assertRaises(ValueError):
eca.update([1, 0, 2])
with self.assertRaises(ValueError):
eca.update([[1], [0], [2]])
with self.assertRaises(ValueError):
eca.update("101")