def test_solved_duplicate_subsquare(self):
puzzle = SudokuPuzzle(9, [['1', '2', '3', '7', '8', '9', '4', '5', '6'],
['4', '5', '6', '1', '2', '3', '7', '8', '9'],
['3', '1', '2', '9', '7', '8', '6', '4', '5'],
['7', '8', '9', '4', '5', '6', '1', '2', '3'],
['6', '4', '5', '3', '1', '2', '9', '7', '8'],
['9', '7', '8', '6', '4', '5', '3', '1', '2'],
['2', '3', '1', '8', '9', '7', '5', '6', '4'],
['5', '6', '4', '2', '3', '1', '8', '9', '7'],
['8', '9', '7', '5', '6', '4', '2', '3', '1']],
{"1", "2", "3", "4", "5", "6", "7", "8", "9"})
self.assertFalse(puzzle.is_solved(), 'is_solved returning True when should be False')
def test_solved_completed_puzzle(self):
puzzle = SudokuPuzzle(9, [['1', '2', '3', '7', '8', '9', '4', '5', '6'],
['4', '5', '6', '1', '2', '3', '7', '8', '9'],
['7', '8', '9', '4', '5', '6', '1', '2', '3'],
['3', '1', '2', '9', '7', '8', '6', '4', '5'],
['6', '4', '5', '3', '1', '2', '9', '7', '8'],
['9', '7', '8', '6', '4', '5', '3', '1', '2'],
['2', '3', '1', '8', '9', '7', '5', '6', '4'],
['5', '6', '4', '2', '3', '1', '8', '9', '7'],
['8', '9', '7', '5', '6', '4', '2', '3', '1']],
{"1", "2", "3", "4", "5", "6", "7", "8", "9"})
self.assertTrue(puzzle.is_solved(), 'is_solved returning False when should be True')
