def test_process_free_position_decrements_count_of_empty_positions(self):
board = Board(3, 3)
piece_list = [King()]
count = board.count_empty_positions()
ChessManager.process_free_position(board, piece_list, 2, 2)
self.assertGreater(count, board.count_empty_positions())
def test_count_empty_positions_returns_8_for_3x3_board_with_one_fullfilled(self):
board = Board(3, 3)
board.set_position_value(2, 2, '-1')
self.assertEqual(board.count_empty_positions(), 8)
def test_count_empty_positions_returns_9_for_empty_3x3_board(self):
board = Board(3, 3)
self.assertEqual(board.count_empty_positions(), 9)
