public void GenerateValidValue_GivenRandomReturnLength_ResultValueOfEqualLength(int length)
{
var realRandom = new EnhancedRandom();
Random.Setup(r => r.NextDimension(It.IsAny <ModelProperty>(), It.IsAny <int>(), It.IsAny <int>())).Returns(length);
Random.Setup(r => r.NextString(It.IsAny <int>())).Returns((int i) => realRandom.NextString(i));
var result = (string)Sut.GenerateValidValue(EmailModelProperty);
Assert.Equal(length, result.Length);
}
public object GenerateValidValue(ModelProperty property)
{
if (property.Max.HasValue && property.Max.Value < MIN_LENGTH)
{
throw new InvalidOperationException(MAX_LENGTH_ERROR);
}
if (property.Min.HasValue && property.Min < MIN_LENGTH)
{
property.Min = MIN_LENGTH;
}
var generatedCharacterCount = _random.NextDimension(property, MIN_LENGTH, DEFAULT_MAX_LENGTH)
- REQUIRED_EMAIL_CHARACTERS.Length;
var partLength = generatedCharacterCount / 3;
var username = _random.NextString(partLength);
var domain = _random.NextString(partLength);
var topLevelDomain = _random.NextString(partLength + (generatedCharacterCount % 3));
return($"{username}@{domain}.{topLevelDomain}");
}