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46 lines
1.4 KiB
Python
46 lines
1.4 KiB
Python
import sys
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sys.path.append('..')
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from SudokuSolver import SudokuSolver
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def test_solve_sudoku():
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# Test a valid Sudoku grid
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grid = [
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[5, 3, 0, 0, 7, 0, 0, 0, 0],
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[6, 0, 0, 1, 9, 5, 0, 0, 0],
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[0, 9, 8, 0, 0, 0, 0, 6, 0],
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[8, 0, 0, 0, 6, 0, 0, 0, 3],
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[4, 0, 0, 8, 0, 3, 0, 0, 1],
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[7, 0, 0, 0, 2, 0, 0, 0, 6],
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[0, 6, 0, 0, 0, 0, 2, 8, 0],
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[0, 0, 0, 4, 1, 9, 0, 0, 5],
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[0, 0, 0, 0, 8, 0, 0, 7, 9]
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]
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assert SudokuSolver.solve(grid)
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assert is_valid_solution(grid)
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# Test an invalid Sudoku grid
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grid = [
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[6, 3, 0, 0, 7, 0, 0, 0, 0],
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[6, 0, 0, 1, 9, 5, 0, 0, 0],
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[0, 9, 8, 0, 0, 0, 0, 6, 0],
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[8, 0, 0, 0, 6, 0, 0, 0, 3],
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[4, 0, 0, 8, 0, 3, 0, 0, 1],
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[7, 0, 0, 0, 2, 0, 0, 0, 6],
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[0, 6, 0, 0, 0, 0, 2, 8, 0],
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[0, 0, 0, 4, 1, 9, 0, 0, 5],
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[0, 0, 0, 0, 8, 0, 0, 0, 9]
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]
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assert not SudokuSolver.solve(grid)
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def is_valid_solution(grid):
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# Check if each row, column, and 3x3 box contains all numbers from 1 to 9
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for i in range(9):
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row_nums = set(grid[i])
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col_nums = set(grid[j][i] for j in range(9))
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box_nums = set(grid[i//3*3+j//3][i%3*3+j%3] for j in range(9))
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if row_nums != set(range(1, 10)) or col_nums != set(range(1, 10)) or box_nums != set(range(1, 10)):
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return False
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return True
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