public async Task Index_ShouldReturnConferencesIndexView()
{
// Arrange
var conferencesIndexViewModel = A.Fake <IConferencesIndexViewModel>();
var conferencesDetailsViewModel = A.Fake <IConferencesDetailsViewModel>();
var conferenceRepository = A.Fake <IConferenceRepository>();
var conferences = new List <Conference>();
A.CallTo(() => conferenceRepository.GetConferencesAsync()).Returns(conferences);
var sharedRepository = A.Fake <ISharedRepository>();
var testController = new ConferencesController(conferencesIndexViewModel, conferencesDetailsViewModel,
conferenceRepository, sharedRepository);
// Act
var result = await testController.Index();
// Assert
A.CallTo(() => conferenceRepository.GetConferencesAsync()).MustHaveHappenedOnceExactly();
conferencesIndexViewModel.Conferences.ShouldBe(conferences);
result.ShouldBeOfType <ViewResult>();
((ViewResult)result).Model.ShouldBe(conferencesIndexViewModel);
}