/// <summary>
/// Checks the given password to ensure that it passes the validation rules
/// that were given in the constructor.
/// </summary>
/// <param name="password">The password to check against the validation rules</param>
/// <returns>true if the validation has passed and the password is suitable;
/// false indicates the password failed the validation.</returns>
public bool Validate(string password)
{
if (password == null)
{
throw new ArgumentNullException("password");
}
return(_validationChain.Validate(password));
}
public void Validate_TwoChainedHandlers_LogLengthIsTwo()
{
var node1 = new ValidationHandlerNode(new AlwaysPassesValidationHandler());
var node2 = new ValidationHandlerNode(new AlwaysPassesValidationHandler());
node1.Successor = node2;
node1.Validate("");
Assert.AreEqual(2, log.Length);
}
public void Validate_TwoChainedHanldersFirstFails_LogLengthIsOne()
{
var node1 = new ValidationHandlerNode(new AlwaysFailsValidationHandler());
var node2 = new ValidationHandlerNode(new AlwaysPassesValidationHandler());
node1.Successor = node2;
node1.Validate("");
Assert.AreEqual(1, log.Length);
Assert.AreEqual("F", log);
}
public void Validate_ThreeChainedHanldersMiddleFails_LogLengthIsTwo()
{
var node1 = new ValidationHandlerNode(new AlwaysPassesValidationHandler());
var node2 = new ValidationHandlerNode(new AlwaysFailsValidationHandler());
var node3 = new ValidationHandlerNode(new AlwaysPassesValidationHandler());
node1.Successor = node2;
node2.Successor = node3;
node1.Validate("");
Assert.AreEqual(2, log.Length);
Assert.AreEqual("TF", log);
}
public void Validate_ThreeChainedHanldersAllPass_LogLengthIsThree()
{
var node1 = new ValidationHandlerNode(new AlwaysPassesValidationHandler());
var node2 = new ValidationHandlerNode(new AlwaysPassesValidationHandler());
var node3 = new ValidationHandlerNode(new AlwaysPassesValidationHandler());
node1.Successor = node2;
node2.Successor = node3;
bool result = node1.Validate("");
Assert.AreEqual(3, log.Length);
Assert.AreEqual("TTT", log);
Assert.IsTrue(result);
}
