public void ProfanityCheck_FirstDisallowedCharacter_Returns()
{
char bad = Convert.ToChar(23);
char random = Convert.ToChar(17);
var result = ProfanityFilter.FirstDisallowedCharacter("I3" + bad + random);
Assert.Equal(result, bad.ToString());
result = ProfanityFilter.FirstDisallowedCharacter("I3");
Assert.Null(result);
}
/// <summary>
/// Returns validated query string for GET method or null.
/// </summary>
/// <returns></returns>
private ValidationResult ValidateInputForGet()
{
// do not return anything on empty input
if (!Request.Query.ContainsKey(QUERY_STRING_PARAMETER_USER_INPUT))
{
return(null);
}
var userInput = Request.Query[QUERY_STRING_PARAMETER_USER_INPUT][0];
// Check null or spaces or empty
if (string.IsNullOrEmpty(userInput) || string.IsNullOrWhiteSpace(userInput))
{
return(null);
}
userInput = userInput.Trim();
// Check minimal length
if (userInput.Length < MINIMAL_WORD_LENGTH + 1)
{
return(null);
}
// This is what we will return
var result = new ValidationResult()
{
CleanedInput = userInput
};
// Check for bad characters.
string badCharacter = ProfanityFilter.FirstDisallowedCharacter(result.CleanedInput);
// let's only serve alphanumeric for now.
if (badCharacter != null)
{
result.Passed = false;
result.ErrorMessage = badCharacter;
}
return(result);
}