public void Constructor_Exception_NullStorageManager()
{
INavigationTarget navigationTarget = new MockNavigationTarget();
IViewFactory viewFactory = MockViewFactory.WithPageAndViewModel;
ILifetimeManager lifetimeManager = new MockLifetimeManager();
IStorageManager storageManager = null;
var e = Assert.Throws<ArgumentNullException>(() => new NavigationManager(navigationTarget, viewFactory, lifetimeManager, storageManager));
Assert.Equal("Value cannot be null.\r\nParameter name: storageManager", e.Message);
Assert.Equal("storageManager", e.ParamName);
}
public void DisplayPage_PassesNavigationManagerToNavigationTarget()
{
MockNavigationTarget navigationTarget = new MockNavigationTarget();
TestableNavigationManager navigationManager = CreateNavigationManager(navigationTarget: navigationTarget);
object page = new object();
navigationManager.DisplayPage(page);
Assert.Equal(new INavigationBase[] { navigationManager }, navigationTarget.NavigateToCalls.Select(c => c.Item2).ToArray());
}
// *** Private Methods ***
private TestableNavigationManager CreateNavigationManager(INavigationTarget navigationTarget = null, IViewFactory viewFactory = null, INavigationStack navigationStack = null, ILifetimeManager lifetimeManager = null, IStorageManager storageManager = null, bool navigationTargetIsNull = false)
{
if (navigationTarget == null && !navigationTargetIsNull)
navigationTarget = new MockNavigationTarget();
if (viewFactory == null)
viewFactory = MockViewFactory.WithPageAndViewModel;
if (navigationStack == null)
navigationStack = new MockNavigationStack();
if (lifetimeManager == null)
lifetimeManager = new MockLifetimeManager();
if (storageManager == null)
storageManager = new MockStorageManager();
TestableNavigationManager navigationManager = new TestableNavigationManager(navigationTarget, viewFactory, navigationStack, lifetimeManager, storageManager);
return navigationManager;
}
public void NavigationTarget_SetViaConstructor()
{
MockNavigationTarget navigationTarget = new MockNavigationTarget();
TestableNavigationManager navigationManager = CreateNavigationManager(navigationTarget: navigationTarget);
Assert.Equal(navigationTarget, navigationManager.NavigationTarget);
}