public void Should_ReturnNumberOfColoursThatCanEventuallyContainABag_When_BagColourExists(string bagColour, int expectedNumberFound)
{
var sut = new BagService(DemoValidRules.Rules.ToArray());
var actualNumberFound = sut.FindNumberOfBagsThatEventuallyContain(bagColour);
Assert.That(actualNumberFound == expectedNumberFound);
}
public void Should_ThrowException_When_ColourNotFound(string bagColour)
{
var sut = new BagService(DemoValidRules.Rules.ToArray());
Assert.Throws <ArgumentException>(() => sut.FindNumberOfBagsThatEventuallyContain(bagColour));
}