public WordTutorApplication Reduce(IReduxMessage message, WordTutorApplication currentState)
{
if (currentState is null)
{
throw new ArgumentNullException(nameof(currentState));
}
if (!(currentState.CurrentScreen is VocabularyBrowserScreen))
{
return(currentState);
}
return((message ?? throw new ArgumentNullException(nameof(message)))
switch
{
ClearSelectedWordMessage _ => currentState.UpdateScreen(
(VocabularyBrowserScreen s) => s.ClearSelection()),
SelectWordMessage m => currentState.UpdateScreen(
(VocabularyBrowserScreen s) => s.WithSelection(m.Word)),
OpenScreenForNewWordMessage _ => currentState.OpenScreen(
ModifyVocabularyWordScreen.ForNewWord()),
OpenScreenForModifyingWordMessage m => currentState.OpenScreen(
ModifyVocabularyWordScreen.ForExistingWord(m.Word)),
_ => currentState,
});
public void Create_WhenGivenScreen_ReturnsExpectedViewModel()
{
var screen = ModifyVocabularyWordScreen.ForNewWord();
var viewModel = _factory.Create(screen);
viewModel.Should().NotBeNull();
viewModel.Should().BeOfType <ModifyVocabularyWordViewModel>();
}
public void WhenScreenConfigured_ReturnsExpectedWord()
{
var screen =
ModifyVocabularyWordScreen.ForNewWord()
.WithSpelling(_word.Spelling)
.WithPronunciation(_word.Pronunciation)
.WithPhrase(_word.Phrase);
screen.AsWord().Should().Be(_word);
}
public ModifyVocabularyWordScreenReducerTests()
{
var screen =
ModifyVocabularyWordScreen.ForNewWord()
.WithSpelling("Phoo")
.WithPronunciation("Foo")
.WithPhrase("Phrase");
_initialState = new WordTutorApplication(screen);
}
public ModifyVocabularyWordViewModelTests()
{
_screen = ModifyVocabularyWordScreen.ForNewWord()
.WithSpelling("spelling")
.WithPhrase("phrase")
.WithPronunciation("pronunciation");
var application = new WordTutorApplication(_screen);
_store = new FakeApplicationStore(application);
_logger = new FakeLogger();
_model = new ModifyVocabularyWordViewModel(_store, _logger);
_notifyPropertyChanged = new NotifyPropertyChangedProbe(_model);
_store.ClearCapturedMessages();
}