public void ReturnMaxCombinationForAPinsLength()
{
// Arrange
var pinLength = 4;
// Act: We can mock the Func<> params
var result = _randomPinService.MaxPinCombinations(pinLength);
// Assert
Assert.AreEqual(10000, result, "Max combinations for 4 digit pin is 10 000");
}
public HashSet <string> GetPins(int batchSize, int pinLength)
{
// Must not exceed max combinations for the length of the pin
if (batchSize < _randomPinService.MaxPinCombinations(pinLength))
{
var pinHashset = new HashSet <string>();
while (pinHashset.Count() < batchSize)
{
pinHashset.Add(_randomPinService.GeneratePin(pinLength));
}
return(pinHashset);
}
throw new ArgumentOutOfRangeException("Batch size exceeds max combinations for pin length");
}