public void Does_correct_substitution(
string alphabet,
char keyChar,
char expected,
char inputChar
)
{
var sut = new AlphabetCipher(alphabet);
var result = sut.Decode(inputChar, keyChar);
Assert.Equal(expected, result);
}
public void Should_decode_message_given_keyword()
{
// Arrange
const string expected = "meetmebythetree";
var sut = new AlphabetCipher("scones");
// Act
var actual = sut.Decode("egsgqwtahuiljgs");
// Assert
Assert.AreEqual(expected, actual);
}
static int Main(string[] args)
{
if (args.Count() < 2)
{
Console.WriteLine("Usage: decode key input");
return(1);
}
var key = args[0].ToLower();
var input = args[1].ToLower();
var cipher = new AlphabetCipher();
Console.WriteLine(cipher.Decode(input, key));
return(0);
}