public void ReadingBadFilesThrowsExceptions()
{
Assert.ThrowsException <FileNotFoundException>(() => SudokuFile.ReadFile(NONEXISTANTFILENAME),
"Exception expected for bad filename.");
Assert.ThrowsException <ArgumentException>(() => SudokuFile.ReadFile(EMPTYFILENAME),
"Exception expected for file that contains no information.");
Assert.ThrowsException <ArgumentException>(() => SudokuFile.ReadFile(WRONGFILEFORMATFILENAME),
"Exception expected for file that contains bad information.");
}
public void ProgramOutputsSolutionsToDefaultFileNameIfAsked()
{
Program.ReadInput(GOODFILENAME, "-f");
Assert.IsTrue(File.Exists(TESTFILENAME));
List <SudokuPuzzle> solvedPuzzles = SudokuFile.ReadFile(TESTFILENAME);
foreach (var puzzle in solvedPuzzles)
{
Assert.IsTrue(puzzle.IsSolved());
}
}
public void ProgramOutputsSolutionsToProvidedFileName()
{
Program.ReadInput(GOODFILENAME, OUTPUTABSPATH);
Assert.IsTrue(File.Exists(OUTPUTABSPATH));
List <SudokuPuzzle> solvedPuzzles = SudokuFile.ReadFile(OUTPUTABSPATH);
foreach (var puzzle in solvedPuzzles)
{
Assert.IsTrue(puzzle.IsSolved());
}
}
public void ReadingGoodFilesDoesNotThrowExceptions()
{
try
{
SudokuFile.ReadFile(GOODFILENAME);
SudokuFile.ReadFile(GOODSINGLEPUZZLEFILE);
}
catch (Exception)
{
Assert.Fail("Good files should not throw exceptions.");
}
}
public void SavesAllTheThings()
{
List <SudokuPuzzle> puzzles = SudokuFile.ReadFile(GOODFILENAME);
SudokuFile.SaveFile(puzzles, TESTFILENAMEABS);
List <SudokuPuzzle> puzzlesRead = SudokuFile.ReadFile(TESTFILENAMEABS);
Assert.IsTrue(puzzles.Count == puzzlesRead.Count);
for (int i = 0; i < puzzles.Count; i++)
{
Assert.IsTrue(puzzles[i].Equals(puzzlesRead[i]));
}
}
public void SolvesAllTheThings()
{
List <SudokuPuzzle> puzzles = SudokuFile.ReadFile(GOODFILENAME);
SudokuRoot Solver = new SudokuRoot();
foreach (var puzzle in puzzles)
{
Solver.SolveSudoku(puzzle);
}
foreach (var puz in puzzles)
{
Assert.IsTrue(puz.IsSolved());
}
}
private static void AssertFileContainsPuzzles(string file, int expectedNumber)
{
List <SudokuPuzzle> morePuzzles = SudokuFile.ReadFile(file);
Assert.AreEqual(morePuzzles.Count, expectedNumber);
}