public void NavigateToEmptyUrlShouldThrow(string emptyUri)
{
var regionManagerMock = new Mock <IRegionManager>();
var sut = new NavigableViewModelBase(regionManagerMock.Object);
var thrown = Assert.Throws <ArgumentException>(() => sut.NavigateCommand.Execute(emptyUri));
Assert.AreEqual("uri", thrown.ParamName);
}
public void NavigateToUriShouldNavigateContentRegionViaManager()
{
const string expectedUri = "Test Uri";
var regionManagerMock = new Mock <IRegionManager>();
var sut = new NavigableViewModelBase(regionManagerMock.Object);
sut.NavigateCommand.Execute(expectedUri);
regionManagerMock.Verify(rm => rm.RequestNavigate(ContentRegions.MainContentRegion, expectedUri));
}
protected override void OnAttached()
{
base.OnAttached();
// Enable navigation on the new frame
Frame frame = this.AssociatedObject;
NavigableViewModelBase newNavigableViewModel = frame.DataContext as NavigableViewModelBase;
if (newNavigableViewModel == null)
{
throw new InvalidOperationException("Set NavigableViewModel-based class ad DataContext for the associated frame.");
}
NavigationServiceFrame navigationService = new NavigationServiceFrame(newNavigableViewModel, frame);
newNavigableViewModel.EnableNavigation(navigationService);
}
