public void AdapterPattern_TestCanNotAccessOldmethod()
{
// arrange
ThirdPartyAuthenticatorAdapter thirdPartyAuthenticatorAdapter = new ThirdPartyAuthenticatorAdapter();
// act
var methods = thirdPartyAuthenticatorAdapter.GetType().GetMethods();
bool hasStillOldMethod = methods.Any(method => method.Name == "TryToAuthenciate");
// assert
Assert.IsFalse(hasStillOldMethod);
}
/// <summary>
/// By introducing the ThirdPartyAuthenticatorAdapter-class we have effectively wrapped the third-party authenticator, and can now call them in the same fashion.
/// </summary>
private static void Main()
{
User clint = User.CreateUser("Clint Eastwood", "MakeMyDayPunk");
IUserAuthenticator inHouseAuthenticator = new UserAuthenticator();
IUserAuthenticator thirdpartyAuthenticatorAdapter = new ThirdPartyAuthenticatorAdapter();
if (inHouseAuthenticator.CanAuthenticate(clint) || thirdpartyAuthenticatorAdapter.CanAuthenticate(clint))
{
Debug.WriteLine(clint.Name + " can access our site.");
}
else
{
Debug.WriteLine(clint.Name + " cannot access this website");
}
}
