public void PlayShouldReturnTheLongestLastingOptionWhenThereIsNoWinningOption()
{
wordsRepositoryMock
.Setup(repo => repo.GetAllWords())
.Returns(new List <string>()
{
"aba", "abb", "aca", "acb", "acaa"
});
player = new OptimalGhostPlayer(wordsRepositoryMock.Object);
var result = player.Play("a");
Assert.Equal("ac", result);
}
public void PlayShouldNotTakeAsAWinningOptionIfASubsetOfThatBranchIsAlsoAWord()
{
wordsRepositoryMock
.Setup(repo => repo.GetAllWords())
.Returns(new List <string>()
{
"abababa", "abab", "acaca"
});
player = new OptimalGhostPlayer(wordsRepositoryMock.Object);
var result = player.Play("a");
Assert.Equal("ac", result);
}
public void PlayShouldReturnOneOfTheWinningOptionsWhenThereAreSome()
{
wordsRepositoryMock
.Setup(repo => repo.GetAllWords())
.Returns(new List <string>()
{
"aba", "aca", "acb", "ada"
});
player = new OptimalGhostPlayer(wordsRepositoryMock.Object);
var result = player.Play("a");
Assert.True(result.Equals("ab") || result.Equals("ad"));
}
