def test_move_up_when_has_merge_but_not_together_then_merged(self):
g = TwoThousandFortyEight(
board=[[0, 0, 0, 2], [0, 0, 0, 0], [0, 0, 0, 2], [0, 0, 0, 0]])
self.assertEqual(
[[0, 0, 0, 4], [0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0]],
g.move_up())
def test_move_up_when_has_one_value_and_not_possible_then_error_raised(
self):
g = TwoThousandFortyEight(
board=[[0, 0, 0, 2], [0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0]])
with self.assertRaises(ValueError):
g.move_up()