def test_possibles(self):
board = SudokuBoard(self.board_nums[1])
board.analyze()
self.assertItemsEqual(board[4][5].possibles, [1, 3, 7, 9])
def test_board_analyze_invalid(self):
board = SudokuBoard()
board.populate_from_brdstring(self.brd_nums[0].split('\n'))
with self.assertRaises(InvalidBoard):
board.analyze()
