public List <string> Find(string word)
{
StringCombinationGenerator combinationGenerator = new StringCombinationGenerator();
List <string> anagrams = combinationGenerator.ProvideSameLengthCombinations(word);
return(anagrams.FindAll(anagram => repository.Contains(anagram)));
}
public void DoesNotReturnAnagramsNotInRepository()
{
var word = "wired";
var anagramWord = "wierd";
IWordRepository repository = Substitute.For <IWordRepository>();
repository.Contains(anagramWord).Returns(false);
var anagramFinder = new DeterministicAnagramFinder(repository);
List <string> foundedAnagrams = anagramFinder.Find(word);
Assert.IsFalse(foundedAnagrams.Contains(anagramWord));
}
public void ReturnsAnagramsInRepository()
{
var word = "abc";
List <string> anagrams = new List <string> {
"acb", "bac", "bca", "cab", "cba"
};
IWordRepository repository = Substitute.For <IWordRepository>();
anagrams.ForEach(a => repository.Contains(a).Returns(true));
var anagramFinder = new DeterministicAnagramFinder(repository);
List <string> foundedAnagrams = anagramFinder.Find(word);
anagrams.ForEach(anagram => Assert.IsTrue(foundedAnagrams.Contains(anagram)));
}