public void Correctly_generates_random_code()
{
MockRepository mocks = new MockRepository();
IRandomCharacterGenerator characterGenerator = mocks.CreateMock <IRandomCharacterGenerator>();
using (mocks.Record())
{
Expect.Call(characterGenerator.GetRandomCharacter()).Return('k');
Expect.Call(characterGenerator.GetRandomCharacter()).Return('w');
Expect.Call(characterGenerator.GetRandomCharacter()).Return('h');
}
using (mocks.Playback())
{
ICodeGenerator codeGenerator = new CodeGenerator(characterGenerator);
string code = codeGenerator.GetRandomCode(3);
Assert.That(code, Is.EqualTo("kwh"));
}
mocks.VerifyAll();
}
public string GetRandomCode(int numberOfCharacters)
{
var characters = new List <char>();
for (var i = 0; i < numberOfCharacters; i++)
{
var randomCharacter = _characterGenerator.GetRandomCharacter();
characters.Add(randomCharacter);
}
var randomCode = new string(characters.ToArray());
return(randomCode);
}
