public MainWindowViewModel(IFundViewModel fundViewModel, ISummaryViewModel summaryViewModel,
IAddStockViewModel addStockViewModel)
{
// This is painful to look at, and we should really use DI here with a proper composition root and bindings and everything,
// but I couldn't bring myself to also introduce a DI container here. This solution feels slightly bloated as it is.
// I hope the overall design that I strove for in the Domain Model will demonstrate my awareness of the concept.
//Fund = new FundViewModel(TestDataProvider.CreateTestFund());
//Summary = new SummaryViewModel(Fund.GetStocksFunc);
//AddStock = new AddStockViewModel(_addStockHelper);
//_addStockHelper = addStockHelper;
AddStock = addStockViewModel;
Fund = fundViewModel;
Summary = summaryViewModel;
}
public void ValidateOnFundChangedEventHandler()
{
_fundServiceMock.Setup(f => f.AllTotals()).Returns(new[]
{
new TotalStocksModel()
{
Type = null,
Number = 100,
MarketValue = 200,
StockWeight = 300
},
new TotalStocksModel()
{
Type = StockType.Bond,
Number = 40,
MarketValue = 200,
StockWeight = 300
},
new TotalStocksModel()
{
Type = StockType.Equity,
Number = 60,
MarketValue = 200,
StockWeight = 300
},
});
_fundChangedEventMock.Setup(e => e.Subscribe(It.IsAny <Action>(), It.IsAny <bool>())).Callback(
(Action act, bool keep) =>
{
_model.OnFundChanged();
});
_model = new FundViewModel(_eventAggregatorMock.Object, _fundServiceMock.Object, new StockConverter());
Assert.That(_model.FundSummaryItems, Is.NaN);
Assert.That(_model.FundSummaryItems.Count(), Is.EqualTo(3));
Assert.That(_model.FundSummaryItems.Count(t => t.Type == null), Is.EqualTo(1));
Assert.That(_model.FundSummaryItems.Count(t => t.Type == StockType.Bond), Is.EqualTo(1));
Assert.That(_model.FundSummaryItems.Count(t => t.Type == StockType.Equity), Is.EqualTo(1));
}
