def test_can_create_an_empty_grid(self):
clist = CellList(nrows=3, ncols=3, randomize=False)
states = [cell.is_alive() for cell in clist]
self.assertEqual([0, 0, 0, 0, 0, 0, 0, 0, 0], states)
def test_clist_is_iterable(self):
clist = CellList(nrows=3, ncols=3, randomize=False)
raised = False
try:
it = iter(clist)
except TypeError:
raised = True
self.assertFalse(raised, 'Iterator protocol is not implemented')
def test_get_neighbours(self):
clist = CellList.from_file('grid.txt')
neighbours = clist.get_neighbours(Cell(2, 3))
self.assertEquals(8, len(neighbours))
self.assertEquals(4, sum(c.is_alive() for c in neighbours))
def test_can_create_a_random_grid(self):
random.seed(12345)
clist = CellList(nrows=3, ncols=3, randomize=True)
states = [cell.is_alive() for cell in clist]
self.assertEqual([1, 0, 1, 1, 0, 1, 1, 0, 1], states)
def test_get_neighbours_for_right_side(self):
clist = CellList.from_file('grid.txt')
neighbours = clist.get_neighbours(Cell(2, 7))
self.assertEquals(5, len(neighbours))
self.assertEquals(2, sum(c.is_alive() for c in neighbours))
def test_get_neighbours_for_lower_right_corner(self):
clist = CellList.from_file('grid.txt')
neighbours = clist.get_neighbours(Cell(5, 7))
self.assertEquals(3, len(neighbours))
self.assertEquals(1, sum(c.is_alive() for c in neighbours))
def test_can_create_a_grid_from_file(self):
clist = CellList.from_file('grid.txt')
states = [cell.is_alive() for cell in clist]
self.assertEqual(6, clist.nrows)
self.assertEqual(8, clist.ncols)
self.assertEqual(29, sum(states))
def test_can_iterate_over_clist(self):
clist = CellList(nrows=3, ncols=3, randomize=True)
raised = False
try:
n = 9
it = iter(clist)
while n:
self.assertIsInstance(next(it), Cell)
n -= 1
except StopIteration:
raised = True
self.assertFalse(raised, 'Cannot iterate over the cell list')
def test_can_update(self):
clist = CellList.from_file('grid.txt')
with open('steps.txt') as f:
steps = json.load(f)
num_updates = 0
for step in sorted(steps.keys(), key=int):
with self.subTest(step=step):
for _ in range(int(step) - num_updates):
clist = clist.update()
num_updates += 1
# TODO: Rewrite me
c = 0
row = []
states = []
for cell in clist:
row.append(int(cell.is_alive()))
c += 1
if c % clist.ncols == 0:
states.append(row)
row = []
self.assertEqual(steps[step], states)
def test_get_neighbours_for_upper_side(self):
clist = CellList.from_file('grid.txt')
neighbours = clist.get_neighbours(Cell(0,3))
self.assertEqual(5, len(neighbours))
self.assertEqual(4, sum(c.is_alive() for c in neighbours))
def test_get_neighbours_for_upper_left_corner(self):
clist = CellList.from_file('grid.txt')
neighbours = clist.get_neighbours(Cell(0,0))
self.assertEqual(3, len(neighbours))
self.assertEqual(2, sum(c.is_alive() for c in neighbours))
