def test_up(self):
board = PuzzleBoard(size=2)
board.move("down")
self.assertEqual(board.get_field(0, 0), 2)
self.assertEqual(board.get_field(0, 1), None)
board.move("up")
self.assertEqual(board.get_field(0, 0), None)
self.assertEqual(board.get_field(0, 1), 2)
def test_move_left(self):
board = PuzzleBoard(size=2)
board.move("right")
self.assertEqual(board.get_field(0, 0), 1)
self.assertEqual(board.get_field(1, 0), None)
board.move("left")
self.assertEqual(board.get_field(0, 0), None)
self.assertEqual(board.get_field(1, 0), 1)
def test_move_down_already_down(self):
board = PuzzleBoard(size=2)
board.move("down")
self.assertEqual(board.get_field(0, 0), 2)
self.assertEqual(board.get_field(0, 1), None)
board.move("down")
self.assertEqual(board.get_field(0, 0), 2)
self.assertEqual(board.get_field(0, 1), None)
def test_initialize(self):
board = PuzzleBoard(size=2)
self.assertEqual(board.get_field(0, 0), None)
self.assertEqual(board.get_field(1, 0), 1)
self.assertEqual(board.get_field(0, 1), 2)
self.assertEqual(board.get_field(1, 1), 3)