def puzzle_tester(self, puzzle, solution = None):
""" Verify solvability of a sudoku puzzle and
correctness of the solution. If a solution is
provided, they are compared. """
p = SudokuPuzzle(puzzle)
self.assertTrue(p.solve())
self.assertTrue(p.is_solved_correctly())
if solution:
self.assertEqual(p.as_line(), solution.replace("\n", ""))
[1, 2, 0, 9, 0, 7, 0, 8, 6], [3, 5, 0, 0, 4, 1, 7, 0, 2],
[0, 0, 3, 1, 0, 0, 0, 4, 9], [0, 0, 0, 3, 0, 0, 0, 7, 8],
[9, 1, 0, 0, 0, 0, 0, 0, 0]]
# Hard puzzle
# puzzle = [[0, 2, 6, 0, 4, 3, 0, 0, 0],
# [0, 0, 0, 6, 0, 0, 0, 0, 0],
# [0, 0, 3, 0, 0, 0, 2, 0, 5],
# [5, 6, 8, 0, 0, 0, 0, 0, 2],
# [0, 0, 0, 0, 0, 0, 9, 0, 1],
# [0, 0, 7, 0, 0, 0, 0, 3, 0],
# [0, 1, 0, 0, 0, 0, 0, 4, 6],
# [7, 0, 0, 0, 6, 0, 0, 0, 0],
# [0, 8, 0, 9, 7, 4, 0, 0, 0]]
validp = [[1, 4, 7, 2, 5, 8, 3, 6, 9], [2, 5, 8, 3, 6, 9, 4, 7, 1],
[3, 6, 9, 4, 7, 1, 5, 8, 2], [4, 7, 1, 5, 8, 2, 6, 9, 3],
[5, 8, 2, 6, 9, 3, 7, 1, 4], [6, 9, 3, 7, 1, 4, 8, 2, 5],
[7, 1, 4, 8, 2, 5, 9, 3, 6], [8, 2, 5, 9, 3, 6, 1, 4, 7],
[9, 3, 6, 1, 4, 7, 2, 5, 8]]
puzzle = SudokuPuzzle(puzzle, 3)
print(puzzle)
# puzzle.fill(0, 0, 4)
# print(puzzle.get_possible(0, 1))
NaiveSudokuSolver().solve(puzzle)
print("\nSolved:")
print(puzzle)
# print(puzzle.validate())
def test_unsolvable_sudoku(self):
""" An impossible sudoku must not be solvable """
p = SudokuPuzzle("1" * 80 + "0")
self.assertFalse(p.solve())
def main():
s = SudokuPuzzle(
"Sudoku-boards.txt",
"name,sudokugarden_de/files/100sudoku2-en_pdf-Nr-50,unsolved")
y = SudokuPuzzle(
"Sudoku-boards.txt",
"name,sudokugarden_de/files/100sudoku2-en_pdf-Nr-50,unsolved")
z = SudokuPuzzle("outTemp.txt")
y.data[0], y.data[1] = y.data[1], y.data[0]
#y.solve()
s.solve()
z.solve()
#y.printDataFile()
s.printData()
print "\n\n"
z.printData()
