public void Execute_ValidatesInput_InitialisesDictionarires_SolvesWordLadder_WritesAnswerFile_OpensAnswerFile()
{
var exceptionCaught = false;
var startWord = "sure";
var endWord = "HIRE";
var wordDictionaryFilePath = ".\\words.txt";
var wordLadderResultFilePath = "answers.txt";
var args = new Options(startWord, endWord, wordDictionaryFilePath, wordLadderResultFilePath);
IDictionary <string, bool> dictionary = new Dictionary <string, bool>()
{
{ "SAME", false },
{ "TIME", false },
{ "TAME", false },
{ "SOME", false },
{ "MUST", false },
{ "HIRE", false },
{ "SIRE", false },
{ "SITE", false }
};
IDictionary <string, ICollection <string> > preProcessedDictionary =
new Dictionary <string, ICollection <string> >()
{
{ "*AME", new[] { "SAME", "TAME" } },
{ "S*ME", new[] { "SAME", "SOME" } },
{ "SA*E", new[] { "SAME" } },
{ "SAM*", new[] { "SAME" } },
{ "T*ME", new[] { "TAME", "TIME" } },
{ "TA*E", new[] { "TAME" } },
{ "TAM*", new[] { "TAME" } },
{ "TI*E", new[] { "TAME" } },
{ "TIM*", new[] { "TIME" } },
{ "*OME", new[] { "SOME" } },
{ "SO*E", new[] { "SOME" } },
{ "SOM*", new[] { "SOME" } },
{ "*IRE", new[] { "SIRE", "HIRE" } },
{ "S*RE", new[] { "SIRE" } },
{ "SI*E", new[] { "SIRE", "SITE" } },
{ "SIR*", new[] { "SIRE" } },
{ "*ITE", new[] { "SITE" } },
{ "S*TE", new[] { "SITE" } },
{ "SIT*", new[] { "SITE" } }
};
var wordLadderSolved = new List <string>()
{
"SURE", "SIRE", "HIRE"
};
_inputValidator.Validate(Arg.Is <Options>(args), Arg.Invoke(args));
_wordDictionaryService.Initialise(Arg.Is <Options>(args));
_wordDictionaryService.GetWordDictionary().Returns(dictionary);
_wordDictionaryService.GetPreprocessedWordsDictionary().Returns(preProcessedDictionary);
_wordLadderSolver.SolveLadder(Arg.Is(startWord), Arg.Is(endWord), Arg.Is(dictionary),
Arg.Is(preProcessedDictionary))
.Returns(wordLadderSolved);
// ACT
_sut.Execute(args, s => { exceptionCaught = true; });
// ASSERT
Assert.False(exceptionCaught);
_inputValidator.Received(1).Validate(Arg.Is <Options>(args), Arg.Invoke(args));
_wordDictionaryService.Received(1).Initialise(Arg.Is <Options>(args));
_wordLadderSolver.Received(1).SolveLadder(Arg.Is(startWord),
Arg.Is(endWord),
Arg.Is(dictionary),
Arg.Is(preProcessedDictionary));
_openFileHelper.Received(1).OpenFile(Arg.Is <string>(a => a.Contains(wordLadderResultFilePath)));
_fileWrapper.Received(1).Write(Arg.Any <IList <string> >(), Arg.Is(wordLadderResultFilePath));
}