static void Main(string[] args)
{
Console.WriteLine("Please enter a sentence");
string input = Console.ReadLine();
Action actionToCheckPalindrome = () =>
{
Container container = new Container();
string palindromeStrategyValue = ConfigUtils.GetValueByKey("PalindromeStrategyType");
PalindromeStrategyType palindromeStrategyType = StringUtils.ToEnum(palindromeStrategyValue, PalindromeStrategyType.Recursive);
IPalindromeFactory palindromeProcessor = container.GetInstance <IPalindromeFactory>();
IPalindromeStrategy palindromeStrategy = palindromeProcessor.GetPalindromeStrategy(palindromeStrategyType);
bool isInputPalindrome = palindromeStrategy.CheckIfInputIsPalindrome(input);
Console.WriteLine(string.Format("Your input is {0} Palindrome", (isInputPalindrome ? "a" : "not a")));
};
Action <Exception> actionToLogException = excpetion => Console.WriteLine(excpetion.Message);
ExceptionHandler.TryCatch(actionToCheckPalindrome, actionToLogException);
Console.ReadLine();
}
public void ReturnPalindromeStrategyIfStrategyTypeIsImplemented()
{
PalindromeStrategyType strategyType = PalindromeStrategyType.Recursive;
IPalindromeStrategy strategy = factory.GetPalindromeStrategy(strategyType);
Assert.IsType<RecursivePalindromeStrategy>(strategy);
}
public void ReturnDefualtEnumWhenStrategyTypeIsInvalid()
{
string strategyTypeValue = "Advanced";
PalindromeStrategyType strategyType = StringUtils.ToEnum(strategyTypeValue, PalindromeStrategyType.None);
Assert.Equal(PalindromeStrategyType.None, strategyType);
}
public void ReturnTargetEnumWhenStrategyTypeIsValid()
{
string strategyTypeValue = "Recursive";
PalindromeStrategyType strategyType = StringUtils.ToEnum(strategyTypeValue, PalindromeStrategyType.None);
Assert.Equal(PalindromeStrategyType.Recursive, strategyType);
}
// Summary:
// Create a strategy instance base on required strategy type.
//
// Parameters:
// strategyType:
// The enum represents the type of target strategy.
//
// Returns:
// The palindrome strategy instance.
//
// Exceptions:
// PalindromeStrategyNotImplementedException:
// When cannot initialize an instance meets target strategy type.
public IPalindromeStrategy GetPalindromeStrategy(PalindromeStrategyType strategyType)
{
IPalindromeStrategy palindromeStrategy = palindromeStrategies.SingleOrDefault(p => p.StategyType == strategyType);
if (palindromeStrategy == null)
{
throw new PalindromeStrategyNotImplementedException(strategyType.ToString());
}
return(palindromeStrategy);
}
public void ThrowExceptionIfStrategyTypeIsNotImplemented()
{
PalindromeStrategyType strategyType = PalindromeStrategyType.NotImplementedStrategyType;
Assert.Throws<PalindromeStrategyNotImplementedException>(() => factory.GetPalindromeStrategy(strategyType));
}
