public void SelectedItemModified_Test()
{
// arrange
var fakeBookRepo = A.Fake <IBookService>();
var fakeMediaItemService = A.Fake <IMediaItemService>();
var fakeTagService = A.Fake <ITagService>();
var fakeAuthorService = A.Fake <IAuthorService>();
var fakePublisherService = A.Fake <IPublisherService>();
var fakeView = A.Fake <IMainWindow>();
MainWindowPresenter presenter = new MainWindowPresenter(fakeBookRepo, fakeMediaItemService, fakeTagService, fakeAuthorService, fakePublisherService, fakeView);
// act
presenter.SelectedItemModified(null, null);
// assert
Assert.IsTrue(fakeView.UpdateSelectedItemButtonEnabled);
Assert.IsTrue(fakeView.DiscardSelectedItemChangesButtonEnabled);
}