public void _02_Convert_ShouldSortTheNumbersByPosition()
{
//Arrange
var drawNumber5 = new DrawNumberBuilder(_random).WithPosition(5).Build();
var drawNumber10 = new DrawNumberBuilder(_random).WithPosition(10).Build();
var drawNumber1 = new DrawNumberBuilder(_random).WithPosition(1).Build();
var drawNumberWithoutPosition = new DrawNumberBuilder(_random).Build();
var drawedNumbers = new Collection <DrawNumber>
{
drawNumber5,
drawNumber10,
drawNumber1,
drawNumberWithoutPosition
};
//Act
object result = null;
try
{
result = _converter.Convert(drawedNumbers, null, null, null);
}
catch (InvalidCastException)
{
Assert.Fail("An InvalidCastException is thrown when the value is a Collection<DrawNumber>. " +
"Cast to an IEnumerable<DrawNumber> to be able to handle more collection types.");
}
//Assert
Assert.That(result, Is.Not.Null, () => "The converted object should not be null.");
Assert.That(result, Is.TypeOf <string>(),
() => $"The converted object should be a string, but was '{result.GetType().FullName}'.");
var numberString = (string)result;
List <int> numbers = null;
try
{
numbers = numberString.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries)
.Select(n => int.Parse(n.Trim())).ToList();
}
catch (Exception)
{
Assert.Fail("The converted string is not a list of numbers separated by a comma.");
}
Assert.That(numbers, Has.Count.EqualTo(drawedNumbers.Count),
"The converted string does not contain all the numbers.");
Assert.That(numbers[0], Is.EqualTo(drawNumberWithoutPosition.Number),
"Incorrect order. Numbers without a position should be first.");
Assert.That(numbers[1], Is.EqualTo(drawNumber1.Number), "Incorrect order.");
Assert.That(numbers[2], Is.EqualTo(drawNumber5.Number), "Incorrect order.");
Assert.That(numbers[3], Is.EqualTo(drawNumber10.Number), "Incorrect order.");
}
public DrawBuilder WithRandomDrawNumbers(int minimumAmount, int maximumAmount)
{
_draw.DrawNumbers = new List <DrawNumber>();
var amountOfNumbers = _random.Next(minimumAmount, maximumAmount + 1);
for (int i = 0; i < amountOfNumbers; i++)
{
var drawNumber = new DrawNumberBuilder(_random).WithNumber(i + 1).Build();
_draw.DrawNumbers.Add(drawNumber);
}
return(this);
}
