def test_cell_with_two_neighbours_lives_in_next_iteration(self):
survivor_cell = Cell(0, 1)
cell_one = Cell(0, 0)
cell_two = Cell(0, 2)
self.game.add_cell(cell_one)
self.game.add_cell(cell_two)
self.game.add_cell(survivor_cell)
self.game.get_next_iteration()
self.assertTrue(survivor_cell.get_is_alive())
def test_cell_with_one_neighbour_dies(self):
survivor_cell = Cell(0, 1)
cell_one = Cell(0, 0)
cell_two = Cell(0, 2)
self.game.add_cell(cell_one)
self.game.add_cell(cell_two)
self.game.add_cell(survivor_cell)
self.game.get_next_iteration()
self.assertFalse(cell_two.get_is_alive())
def test_dead_cell_with_exactly_three_neighbours_is_alive_again(self):
cell_one = Cell(0, 0)
cell_two = Cell(0, 1)
cell_three = Cell(0, 2)
cell_four = Cell(1, 0)
cell_five = Cell(1, 1)
cell_four.is_alive = False
self.game.add_cell(cell_one)
self.game.add_cell(cell_two)
self.game.add_cell(cell_three)
self.game.add_cell(cell_four)
self.game.add_cell(cell_five)
self.game.get_next_iteration()
self.assertTrue(cell_four.get_is_alive())
def test_cell_with_three_neighbours_lives(self):
cell_one = Cell(0, 0)
cell_two = Cell(0, 1)
cell_three = Cell(0, 2)
cell_four = Cell(1, 0)
cell_five = Cell(1, 1)
self.game.add_cell(cell_one)
self.game.add_cell(cell_two)
self.game.add_cell(cell_three)
self.game.add_cell(cell_four)
self.game.add_cell(cell_five)
self.game.get_next_iteration()
self.assertTrue(cell_four.get_is_alive())
def test_one_lonely_cell_dies_in_next_iteration(self):
cell = Cell(0, 0)
self.game.add_cell(cell)
self.game.get_next_iteration()
self.assertFalse(cell.get_is_alive())
def create_3x3_matrix(self):
for i in range(3):
for j in range(3):
cell = Cell(i, j)
self.game.add_cell(cell)
def test_cell_in_middle_of_3x3_matrix_should_have_eight_neighbours(self):
self.create_3x3_matrix()
self.assertEqual(8, len(self.game.get_neighbours(Cell(1, 1))))
def test_two_far_away_cells_are_not_neighbours(self):
cell_one = Cell(0, 1)
cell_two = Cell(0, 20)
self.game.add_cell(cell_one)
self.game.add_cell(cell_two)
self.assertEqual(0, len(self.game.get_neighbours(cell_one)))
def test_two_adjacent_cells_are_neighbours(self):
cell_one = Cell(0, 0)
cell_two = Cell(0, 1)
self.game.add_cell(cell_one)
self.game.add_cell(cell_two)
self.assertEqual(1, len(self.game.get_neighbours(cell_one)))
def test_one_cell_has_no_neighbours(self):
cell = Cell(0, 0)
self.game.add_cell(cell)
self.assertEqual(0, len(self.game.get_neighbours(cell)))