public void NearbyWords_should_HandleNullWords()
{
//arrange
var target = new NearbyWords(new WordHelperStub());
//act
var result = target.GetWords(null);
//assert
result.Count().ShouldEqual(0);
}
public void NearbyWords_should_ReturnValidResults()
{
//arrange
var target = new NearbyWords(new WordHelperStub());
//act
var result = target.GetWords("gi").ToList();
//assert
result.ShouldContain("hi");
result.ShouldContain("go");
}
public void NearbyWords_should_ReturnCorrectNumberOfPermutations()
{
//arrange
var helperMock = new Mock<IWordHelper>();
helperMock.Setup(h => h.IsWord(It.IsAny<string>())).Returns(true);
helperMock.Setup(h => h.LettersNear(It.IsAny<char>())).Returns(new List<char>(){'a','b','c'});
var target = new NearbyWords(helperMock.Object);
//act
var result = target.GetWords("abc");
//assert
result.Count().ShouldEqual(27);
}
