public void Verify_Should_Fail_When_CurrentPuzzleState_Length_Is_Not_Equal_To_81()
{
PuzzleToVerifyDto puzzleToVerifyDto = new PuzzleToVerifyDto
{
CurrentPuzzleState = "03400700808006500000030007020000070430",
OriginalPuzzleState = "034007008080065000000300070200000700710040096005000001050002000000170060600900430"
};
PuzzleVerifyDto puzzleVerifyDto = _sudokuPuzzleService.Verify(puzzleToVerifyDto);
Assert.IsFalse(puzzleVerifyDto.Success);
}
public void Verify_Should_Fail_When_OriginalPuzzleState_Is_Empty()
{
PuzzleToVerifyDto puzzleToVerifyDto = new PuzzleToVerifyDto
{
CurrentPuzzleState = "034007008080065666666300070200000700710040096005000001050002000000170060600900430",
OriginalPuzzleState = string.Empty
};
PuzzleVerifyDto puzzleVerifyDto = _sudokuPuzzleService.Verify(puzzleToVerifyDto);
Assert.IsFalse(puzzleVerifyDto.Success);
}
public void Verify_Should_Fail_When_OriginalPuzzleState_Is_Not_Solvable()
{
SudokuPuzzle sudoku = CreateInValidSudokuPuzzle();
PuzzleToVerifyDto puzzleToVerifyDto = new PuzzleToVerifyDto
{
CurrentPuzzleState = sudoku.PuzzleState.ToString(),
OriginalPuzzleState = sudoku.PuzzleState.ToString()
};
PuzzleVerifyDto puzzleVerifyDto = _sudokuPuzzleService.Verify(puzzleToVerifyDto);
Assert.IsFalse(puzzleVerifyDto.Success);
}
public void Verify_Should_Return_28_CorrectIndexes()
{
PuzzleToVerifyDto puzzleToVerifyDto = new PuzzleToVerifyDto
{
CurrentPuzzleState =
"034007008080065666666300070200000700710040096005000001050002000000170060600900430",
OriginalPuzzleState =
"034007008080065000000300070200000700710040096005000001050002000000170060600900430"
};
PuzzleVerifyDto puzzleVerifyDto = _sudokuPuzzleService.Verify(puzzleToVerifyDto);
Assert.IsTrue(puzzleVerifyDto.CorrectIndexes.Count == 28);
}
public void Verify_Should_Fail_When_CurrentPuzzleState_Is_Empty()
{
const string expectedMessage = "PuzzleState is invalid.";
PuzzleToVerifyDto puzzleToVerifyDto = new PuzzleToVerifyDto
{
CurrentPuzzleState = string.Empty,
OriginalPuzzleState =
"034007008080065000000300070200000700710040096005000001050002000000170060600900430"
};
PuzzleVerifyDto puzzleVerifyDto = _sudokuPuzzleService.Verify(puzzleToVerifyDto);
Assert.IsFalse(puzzleVerifyDto.Success);
Assert.AreEqual(expectedMessage, puzzleVerifyDto.Message);
}
public PuzzleVerifyDto Verify(PuzzleToVerifyDto puzzleToVerifyDto)
{
if (string.IsNullOrWhiteSpace(puzzleToVerifyDto.OriginalPuzzleState) ||
string.IsNullOrWhiteSpace(puzzleToVerifyDto.CurrentPuzzleState) ||
puzzleToVerifyDto.OriginalPuzzleState.Length != 81 ||
puzzleToVerifyDto.CurrentPuzzleState.Length != 81)
{
return new PuzzleVerifyDto {
Message = "PuzzleState is invalid."
}
}
;
byte[] grid = Encoding.Default.GetBytes(puzzleToVerifyDto.OriginalPuzzleState);
PuzzleState puzzleState = new PuzzleState(grid);
SudokuPuzzle sudoku = new SudokuPuzzle(puzzleState);
string actualSolvedPuzzleState;
using (SudokuSolver sudokuSolver = new SudokuSolver(sudoku))
{
if (!sudokuSolver.Solve())
{
return new PuzzleVerifyDto {
Message = "Failed to solve puzzle. Verify will not work."
}
}
;
actualSolvedPuzzleState = sudokuSolver.GetSolvedState().ToString();
}
List <int> correctIndexes = new List <int>();
for (int i = 0; i < puzzleToVerifyDto.OriginalPuzzleState.Length; i++)
{
if (actualSolvedPuzzleState[i].Equals(puzzleToVerifyDto.CurrentPuzzleState[i]))
{
correctIndexes.Add(i);
}
}
return(new PuzzleVerifyDto
{
Success = true,
CorrectIndexes = correctIndexes,
Message = "Successfully verified puzzleState."
});
}