public void WhenConstructed_IntializesValues()
{
// Prepare
MockMarketPricesUpdatedEvent marketPricesUpdatedEvent = new MockMarketPricesUpdatedEvent();
ObservableCollection<string> watchList = new ObservableCollection<string>();
watchList.Add("A");
watchList.Add("B");
watchList.Add("C");
Mock<IWatchListService> mockWatchListService = new Mock<IWatchListService>();
mockWatchListService.Setup(x => x.RetrieveWatchList()).Returns(watchList).Verifiable();
Mock<IMarketFeedService> mockMarketFeedService = new Mock<IMarketFeedService>();
mockMarketFeedService.Setup(x => x.GetPrice("A")).Returns(1);
mockMarketFeedService.Setup(x => x.GetPrice("B")).Returns(2);
mockMarketFeedService.Setup(x => x.GetPrice("C")).Returns(3);
Mock<IRegionManager> mockRegionManager = new Mock<IRegionManager>();
Mock<IEventAggregator> mockEventAggregator = new Mock<IEventAggregator>();
mockEventAggregator.Setup(x => x.GetEvent<MarketPricesUpdatedEvent>()).Returns(marketPricesUpdatedEvent);
IWatchListService watchListService = mockWatchListService.Object;
IMarketFeedService marketFeedService = mockMarketFeedService.Object;
IRegionManager regionManager = mockRegionManager.Object;
IEventAggregator eventAggregator = mockEventAggregator.Object;
// Act
WatchListViewModel actual = new WatchListViewModel(watchListService, marketFeedService, regionManager, eventAggregator);
// Verify
Assert.IsNotNull(actual);
Assert.AreEqual("WATCH LIST", actual.HeaderInfo);
Assert.AreEqual(3, actual.WatchListItems.Count);
Assert.IsNull(actual.CurrentWatchItem);
Assert.IsNotNull(actual.RemoveWatchCommand);
mockWatchListService.VerifyAll();
}
public WatchListView(WatchListViewModel viewModel)
{
InitializeComponent();
ViewModel = viewModel;
}
public void WhenCurrentWatchItemSet_PropertyIsUpdated()
{
// Prepare
MockMarketPricesUpdatedEvent marketPricesUpdatedEvent = new MockMarketPricesUpdatedEvent();
Mock<TickerSymbolSelectedEvent> mockTickerSymbolSelectedEvent = new Mock<TickerSymbolSelectedEvent>();
ObservableCollection<string> watchList = new ObservableCollection<string>();
watchList.Add("A");
watchList.Add("B");
watchList.Add("C");
Mock<IWatchListService> mockWatchListService = new Mock<IWatchListService>();
mockWatchListService.Setup(x => x.RetrieveWatchList()).Returns(watchList).Verifiable();
Mock<IMarketFeedService> mockMarketFeedService = new Mock<IMarketFeedService>();
mockMarketFeedService.Setup(x => x.GetPrice("A")).Returns(1);
mockMarketFeedService.Setup(x => x.GetPrice("B")).Returns(2);
mockMarketFeedService.Setup(x => x.GetPrice("C")).Returns(3);
Mock<IRegionManager> mockRegionManager = new Mock<IRegionManager>();
Mock<IEventAggregator> mockEventAggregator = new Mock<IEventAggregator>();
mockEventAggregator.Setup(x => x.GetEvent<MarketPricesUpdatedEvent>()).Returns(marketPricesUpdatedEvent);
mockEventAggregator.Setup(x => x.GetEvent<TickerSymbolSelectedEvent>()).Returns(mockTickerSymbolSelectedEvent.Object);
IWatchListService watchListService = mockWatchListService.Object;
IMarketFeedService marketFeedService = mockMarketFeedService.Object;
IRegionManager regionManager = mockRegionManager.Object;
IEventAggregator eventAggregator = mockEventAggregator.Object;
WatchListViewModel target = new WatchListViewModel(watchListService, marketFeedService, regionManager, eventAggregator);
bool propertyChangedRaised = false;
target.PropertyChanged += delegate(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName == "CurrentWatchItem")
{
propertyChangedRaised = true;
}
};
// Act
target.CurrentWatchItem = target.WatchListItems[1];
// Verify
Assert.AreSame(target.WatchListItems[1], target.CurrentWatchItem);
Assert.IsTrue(propertyChangedRaised);
}
public void WhenMarketPriceChagnes_PriceUpdated()
{
// Prepare
MockMarketPricesUpdatedEvent marketPricesUpdatedEvent = new MockMarketPricesUpdatedEvent();
ObservableCollection<string> watchList = new ObservableCollection<string>();
watchList.Add("A");
watchList.Add("B");
watchList.Add("C");
Mock<IWatchListService> mockWatchListService = new Mock<IWatchListService>();
mockWatchListService.Setup(x => x.RetrieveWatchList()).Returns(watchList).Verifiable();
Mock<IMarketFeedService> mockMarketFeedService = new Mock<IMarketFeedService>();
mockMarketFeedService.Setup(x => x.GetPrice("A")).Returns(1);
mockMarketFeedService.Setup(x => x.GetPrice("B")).Returns(2);
mockMarketFeedService.Setup(x => x.GetPrice("C")).Returns(3);
Mock<IRegionManager> mockRegionManager = new Mock<IRegionManager>();
Mock<IEventAggregator> mockEventAggregator = new Mock<IEventAggregator>();
mockEventAggregator.Setup(x => x.GetEvent<MarketPricesUpdatedEvent>()).Returns(marketPricesUpdatedEvent);
IWatchListService watchListService = mockWatchListService.Object;
IMarketFeedService marketFeedService = mockMarketFeedService.Object;
IRegionManager regionManager = mockRegionManager.Object;
IEventAggregator eventAggregator = mockEventAggregator.Object;
WatchListViewModel target = new WatchListViewModel(watchListService, marketFeedService, regionManager, eventAggregator);
Dictionary<string, decimal> newPrices = new Dictionary<string,decimal>()
{
{ "A", 10 },
{ "B", 20 },
{ "C", 30 },
};
// Act
marketPricesUpdatedEvent.Publish(newPrices);
// Verify
Assert.AreEqual(3, target.WatchListItems.Count);
Assert.AreEqual(10, target.WatchListItems[0].CurrentPrice);
Assert.AreEqual(20, target.WatchListItems[1].CurrentPrice);
Assert.AreEqual(30, target.WatchListItems[2].CurrentPrice);
}
public void WhenMarketPriceNotAvailable_PriceSetToNull()
{
// Prepare
MockMarketPricesUpdatedEvent marketPricesUpdatedEvent = new MockMarketPricesUpdatedEvent();
ObservableCollection<string> watchList = new ObservableCollection<string>();
watchList.Add("A");
Mock<IWatchListService> mockWatchListService = new Mock<IWatchListService>();
mockWatchListService.Setup(x => x.RetrieveWatchList()).Returns(watchList).Verifiable();
Mock<IMarketFeedService> mockMarketFeedService = new Mock<IMarketFeedService>();
mockMarketFeedService.Setup(x => x.GetPrice("A")).Throws(new ArgumentException("tickerSymbol"));
Mock<IRegionManager> mockRegionManager = new Mock<IRegionManager>();
Mock<IEventAggregator> mockEventAggregator = new Mock<IEventAggregator>();
mockEventAggregator.Setup(x => x.GetEvent<MarketPricesUpdatedEvent>()).Returns(marketPricesUpdatedEvent);
IWatchListService watchListService = mockWatchListService.Object;
IMarketFeedService marketFeedService = mockMarketFeedService.Object;
IRegionManager regionManager = mockRegionManager.Object;
IEventAggregator eventAggregator = mockEventAggregator.Object;
// Act
WatchListViewModel actual = new WatchListViewModel(watchListService, marketFeedService, regionManager, eventAggregator);
// Verify
Assert.IsNotNull(actual);
Assert.AreEqual(1, actual.WatchListItems.Count);
Assert.AreEqual("A", actual.WatchListItems[0].TickerSymbol);
Assert.AreEqual(null, actual.WatchListItems[0].CurrentPrice);
}
public void WhenWatchListItemAdded_NavigatesToWatchListView()
{
// Prepare
MockMarketPricesUpdatedEvent marketPricesUpdatedEvent = new MockMarketPricesUpdatedEvent();
ObservableCollection<string> watchList = new ObservableCollection<string>();
watchList.Add("A");
watchList.Add("B");
watchList.Add("C");
Mock<IWatchListService> mockWatchListService = new Mock<IWatchListService>();
mockWatchListService.Setup(x => x.RetrieveWatchList()).Returns(watchList).Verifiable();
Mock<IMarketFeedService> mockMarketFeedService = new Mock<IMarketFeedService>();
mockMarketFeedService.Setup(x => x.GetPrice("A")).Returns(1);
mockMarketFeedService.Setup(x => x.GetPrice("B")).Returns(2);
mockMarketFeedService.Setup(x => x.GetPrice("C")).Returns(3);
Mock<IRegion> mockMainRegion = new Mock<IRegion>();
mockMainRegion.Setup(x => x.RequestNavigate(new Uri("/WatchListView", UriKind.RelativeOrAbsolute), It.IsAny<Action<NavigationResult>>())).Verifiable();
Mock<IRegionManager> mockRegionManager = new Mock<IRegionManager>();
mockRegionManager.Setup(x => x.Regions[RegionNames.MainRegion]).Returns(mockMainRegion.Object);
Mock<IEventAggregator> mockEventAggregator = new Mock<IEventAggregator>();
mockEventAggregator.Setup(x => x.GetEvent<MarketPricesUpdatedEvent>()).Returns(marketPricesUpdatedEvent);
IWatchListService watchListService = mockWatchListService.Object;
IMarketFeedService marketFeedService = mockMarketFeedService.Object;
IRegionManager regionManager = mockRegionManager.Object;
IEventAggregator eventAggregator = mockEventAggregator.Object;
WatchListViewModel target = new WatchListViewModel(watchListService, marketFeedService, regionManager, eventAggregator);
// Act
target.WatchListItems.Add(new WatchItem("D", 20));
// Verify
mockMainRegion.Verify(x => x.RequestNavigate(new Uri("/WatchListView", UriKind.RelativeOrAbsolute), It.IsAny<Action<NavigationResult>>()), Times.Once());
}
public void WhenRemoveCommandExecuted_RemovesWatchEntry()
{
// Prepare
MockMarketPricesUpdatedEvent marketPricesUpdatedEvent = new MockMarketPricesUpdatedEvent();
ObservableCollection<string> watchList = new ObservableCollection<string>();
watchList.Add("A");
watchList.Add("B");
watchList.Add("C");
Mock<IWatchListService> mockWatchListService = new Mock<IWatchListService>();
mockWatchListService.Setup(x => x.RetrieveWatchList()).Returns(watchList).Verifiable();
Mock<IMarketFeedService> mockMarketFeedService = new Mock<IMarketFeedService>();
mockMarketFeedService.Setup(x => x.GetPrice("A")).Returns(1);
mockMarketFeedService.Setup(x => x.GetPrice("B")).Returns(2);
mockMarketFeedService.Setup(x => x.GetPrice("C")).Returns(3);
Mock<IRegion> mockMainRegion = new Mock<IRegion>();
Mock<IRegionManager> mockRegionManager = new Mock<IRegionManager>();
mockRegionManager.Setup(x => x.Regions[RegionNames.MainRegion]).Returns(mockMainRegion.Object);
Mock<IEventAggregator> mockEventAggregator = new Mock<IEventAggregator>();
mockEventAggregator.Setup(x => x.GetEvent<MarketPricesUpdatedEvent>()).Returns(marketPricesUpdatedEvent);
IWatchListService watchListService = mockWatchListService.Object;
IMarketFeedService marketFeedService = mockMarketFeedService.Object;
IRegionManager regionManager = mockRegionManager.Object;
IEventAggregator eventAggregator = mockEventAggregator.Object;
WatchListViewModel target = new WatchListViewModel(watchListService, marketFeedService, regionManager, eventAggregator);
// Act
target.RemoveWatchCommand.Execute("A");
// Verify
Assert.AreEqual(2, target.WatchListItems.Count);
}
public void WhenCurrentWatchItemSet_TickerSymbolSelectedEventRaised()
{
// Prepare
MockMarketPricesUpdatedEvent marketPricesUpdatedEvent = new MockMarketPricesUpdatedEvent();
Mock<TickerSymbolSelectedEvent> mockTickerSymbolSelectedEvent = new Mock<TickerSymbolSelectedEvent>();
mockTickerSymbolSelectedEvent.Setup(x => x.Publish("B")).Verifiable();
ObservableCollection<string> watchList = new ObservableCollection<string>();
watchList.Add("A");
watchList.Add("B");
watchList.Add("C");
Mock<IWatchListService> mockWatchListService = new Mock<IWatchListService>();
mockWatchListService.Setup(x => x.RetrieveWatchList()).Returns(watchList).Verifiable();
Mock<IMarketFeedService> mockMarketFeedService = new Mock<IMarketFeedService>();
mockMarketFeedService.Setup(x => x.GetPrice("A")).Returns(1);
mockMarketFeedService.Setup(x => x.GetPrice("B")).Returns(2);
mockMarketFeedService.Setup(x => x.GetPrice("C")).Returns(3);
Mock<IRegionManager> mockRegionManager = new Mock<IRegionManager>();
Mock<IEventAggregator> mockEventAggregator = new Mock<IEventAggregator>();
mockEventAggregator.Setup(x => x.GetEvent<MarketPricesUpdatedEvent>()).Returns(marketPricesUpdatedEvent);
mockEventAggregator.Setup(x => x.GetEvent<TickerSymbolSelectedEvent>()).Returns(mockTickerSymbolSelectedEvent.Object);
IWatchListService watchListService = mockWatchListService.Object;
IMarketFeedService marketFeedService = mockMarketFeedService.Object;
IRegionManager regionManager = mockRegionManager.Object;
IEventAggregator eventAggregator = mockEventAggregator.Object;
WatchListViewModel target = new WatchListViewModel(watchListService, marketFeedService, regionManager, eventAggregator);
// Act
target.CurrentWatchItem = target.WatchListItems[1];
// Verify
mockTickerSymbolSelectedEvent.VerifyAll();
}
