private static void EncryptDecryptPlainText(Options ops, ICypher cypher)
{
string originalText = File.ReadAllText(ops.SourceFilePath);
EndOfLine endOfLine;
if (!AlphabeticCypher.IsTextPlain(originalText, out endOfLine))
{
throw new InvalidOperationException("Text is not considered plain text");
}
cypher.Alphabet = AlphabeticCypher.GetPlainTextAlphabet(endOfLine);
if (ops.Action == Action.Encrypt)
{
string plainText = originalText;
string cryptoText = cypher.Encrypt(plainText, ops.EncryptionKey);
File.WriteAllText(ops.TargetFilePath, cryptoText);
}
else
{
string cryptoText = originalText;
string plainText = cypher.Decrypt(cryptoText, ops.EncryptionKey);
File.WriteAllText(ops.TargetFilePath, plainText);
}
}
public void TestCheckPlainText()
{
var r = new Random(0);
string plainEolWindows = PlainText;
string plainEolUnix = PlainText.Replace("\r\n", "\n");
string plainEolMac = PlainText.Replace("\r\n", "\r");
string noEol = PlainText.Replace("\r\n", "");
byte[] randBytes = new byte[256];
r.NextBytes(randBytes);
string randText = randBytes.ToTextString();
var tests = new[]
{
new { Name = "Windows", Text = plainEolWindows, Plain = true, Eol = EndOfLine.Mixed },
new { Name = "Unix", Text = plainEolUnix, Plain = true, Eol = EndOfLine.LineFeed },
new { Name = "Mac", Text = plainEolMac, Plain = true, Eol = EndOfLine.CarriageReturn },
new { Name = "None", Text = noEol, Plain = true, Eol = EndOfLine.None },
new { Name = "Binary", Text = randText, Plain = false, Eol = EndOfLine.None },
};
bool success = true;
var errs = new List <string>();
foreach (var t in tests)
{
bool currentPased = Utils.WrappedTest(() =>
{
using (Log.StartIndentScope())
{
EndOfLine eol;
bool isPlain = AlphabeticCypher.IsTextPlain(t.Text, out eol);
return(isPlain == t.Plain && eol == t.Eol);
}
}, Log);
if (!currentPased)
{
Log.Error($"Testing {t.Name} failed.");
errs.Add(t.Name);
}
success &= currentPased;
}
Assert.IsTrue(success, $"Following tests failed: {string.Join(",", errs)}");
}