public void ReturnAValueFromALookupThatIsDifferentToTheOriginalValue()
{
var originalValue = "Tester";
var newValue = systemUnderTest.GenerateFromLookup(originalValue, GenerateValidArgs());
newValue.Should().NotBe(originalValue);
}
private double Format(double originalValue, FieldToBeObfuscated field)
{
if (field.ObfuscationFormatArgs.Count > 1)
{
throw new ValidationException($"Only a single ObfuscationFormatOption of type {ObfuscationFormatType.Lookup} can be applied to a field of type double.");
}
if (!field.ObfuscationFormatArgs[0].FormatType.Equals(ObfuscationFormatType.Lookup))
{
throw new NotImplementedException($"The ObfuscationFormatType({field.ObfuscationFormatArgs[0].FormatType}) is not implemented for fields of type double.");
}
string lookupValue = optionProcessor.GenerateFromLookup(originalValue.ToString("G", CultureInfo.InvariantCulture), field.ObfuscationFormatArgs[0]);
if (double.TryParse(lookupValue, out double replacementValue))
{
return(replacementValue);
}
throw new InvalidCastException($"The value ({lookupValue}) read from the lookup source ({field.ObfuscationFormatArgs[0].Arguments["filename"]}) field ({field.ObfuscationFormatArgs[0].Arguments["columnname"]}) could not be converted to a double.");
}
private string Format(string originalValue, FieldToBeObfuscated field, Dictionary <string, object> metadataParameters)
{
List <string> obfuscatedStrings = new List <string>();
foreach (var arg in field.ObfuscationFormatArgs)
{
switch (arg.FormatType)
{
case ObfuscationFormatType.RandomString:
obfuscatedStrings.Add(optionProcessor.GenerateRandomString(originalValue, arg));
break;
case ObfuscationFormatType.RandomNumber:
obfuscatedStrings.Add(optionProcessor.GenerateRandomNumber(originalValue, arg).ToString(CultureInfo.InvariantCulture));
break;
case ObfuscationFormatType.Lookup:
obfuscatedStrings.Add(optionProcessor.GenerateFromLookup(originalValue, arg));
break;
}
}
string replacementString = string.Format(CultureInfo.InvariantCulture, field.ObfuscationFormat, obfuscatedStrings.ToArray());
if (metadataParameters != null && metadataParameters.ContainsKey("maxlength"))
{
var maxLength = (int)metadataParameters["maxlength"];
if (replacementString.Length > maxLength)
{
replacementString = replacementString.Substring(0, maxLength);
}
}
return(replacementString);
}