public void DoesAddWordsGenerationServiceWork()
{
//arrange
var expectedOptions = new WordsGenerationOptions
{
WordsDictionaryLocation = "words.json"
};
IConfiguration configuration = new ConfigurationBuilder()
.AddJsonStream(
"{\"StringGenerationOptions\" : {\"WordsDictionaryLocation\" : \"words.json\"}}".ToStream())
.Build();
//act
var serviceProvider = new ServiceCollection()
.AddMemoryCache()
.AddSingleton <IFileReader>(new FakeFileReader("[\"Hamburger\"]"))
.AddRandomService()
.AddWordGenerationService()
.AddScoped(_ => configuration)
.BuildServiceProvider();
//assert
serviceProvider.GetService <Api.WordGeneration.WordGeneration>().Should().NotBeNull();
serviceProvider.GetService <WordsGenerationOptions>().Should().BeEquivalentTo(expectedOptions);
}
public WordGeneration(WordsGenerationOptions options, IRandomGenerator randomGenerator,
GetWordParametersValidator validator, IFileReader fileReader, IMemoryCache memoryCache)
{
_randomGenerator = randomGenerator;
_validator = validator;
_words = LoadDictionary(memoryCache, fileReader, options.WordsDictionaryLocation);
}
public void ConstructorShouldReturnWordsDictionaryLocationUnspecifiedExceptionOnInvalidPath(string path)
{
//arrange
var fakeFile = new FakeFileReader("Hamburger");
var fakeOptions = new WordsGenerationOptions
{
WordsDictionaryLocation = path
};
Action constructWordsStringGenerationService = ()
=> GetWordGenerationService(fakeFile, fakeOptions);
//act/assert
constructWordsStringGenerationService.Should().ThrowExactly <WordsDictionaryLocationUnspecifiedException>();
}
private static Api.WordGeneration.WordGeneration GetWordGenerationService(IFileReader fileReader, WordsGenerationOptions options = null)
{
return(new Api.WordGeneration.WordGeneration(options ?? GetFakeOptions(), new RandomGenerator(),
new GetWordParametersValidator(), fileReader, new MemoryCache(new MemoryCacheOptions())));
}
