| public Add ( object view ) : IRegionManager | ||
| view | object | The view to add. |
| return | IRegionManager | |
public void WhenRegionHasMultipleViews_ThenViewsWithMatchingTypeNameAreConsidered()
{
// Arrange
var serviceLocatorMock = new Mock<IServiceLocator>();
var region = new Region();
var view1 = new TestView();
var view2 = "view";
region.Add(view1);
region.Add(view2);
var navigationContext = new NavigationContext(null, new Uri(view2.GetType().Name, UriKind.Relative));
var navigationTargetHandler = new TestRegionNavigationContentLoader(serviceLocatorMock.Object);
// Act
var returnedView = navigationTargetHandler.LoadContent(region, navigationContext);
// Assert
Assert.AreSame(view2, returnedView);
}
public void WhenViewExistsAndDoesNotImplementINavigationAware_ThenReturnsView()
{
// Arrange
var serviceLocatorMock = new Mock<IServiceLocator>();
var region = new Region();
var view = new TestView();
region.Add(view);
var navigationContext = new NavigationContext(null, new Uri(view.GetType().Name, UriKind.Relative));
var navigationTargetHandler = new TestRegionNavigationContentLoader(serviceLocatorMock.Object);
// Act
var returnedView = navigationTargetHandler.LoadContent(region, navigationContext);
// Assert
Assert.AreSame(view, returnedView);
}
public void WhenNavigatingWithQueryString_ViewIsActivated()
{
// Prepare
object view = new object();
Uri viewUri = new Uri(view.GetType().Name + "?MyQuery=true", UriKind.Relative);
IRegion region = new Region();
region.Add(view);
string regionName = "RegionName";
RegionManager regionManager = new RegionManager();
regionManager.Regions.Add(regionName, region);
var serviceLocatorMock = new Mock<IServiceLocator>();
serviceLocatorMock.Setup(x => x.GetInstance<IRegionNavigationJournalEntry>()).Returns(new RegionNavigationJournalEntry());
IServiceLocator serviceLocator = serviceLocatorMock.Object;
RegionNavigationContentLoader contentLoader = new RegionNavigationContentLoader(serviceLocator);
IRegionNavigationJournal journal = new Mock<IRegionNavigationJournal>().Object;
RegionNavigationService target = new RegionNavigationService(serviceLocator, contentLoader, journal);
target.Region = region;
// Act
bool isNavigationSuccessful = false;
target.RequestNavigate(viewUri, nr => isNavigationSuccessful = nr.Result == true);
// Verify
Assert.IsTrue(isNavigationSuccessful);
bool isViewActive = region.ActiveViews.Contains(view);
Assert.IsTrue(isViewActive);
}
public void CanAddAndRetrieveNamedViewInstance()
{
IRegion region = new Region();
object myView = new object();
region.Add(myView, "MyView");
object returnedView = region.GetView("MyView");
Assert.IsNotNull(returnedView);
Assert.AreSame(returnedView, myView);
}
public void CanAddContentToRegion()
{
IRegion region = new Region();
Assert.AreEqual(0, region.Views.Cast<object>().Count());
region.Add(new object());
Assert.AreEqual(1, region.Views.Cast<object>().Count());
}
public void CanRemoveContentFromRegion()
{
IRegion region = new Region();
object view = new object();
region.Add(view);
region.Remove(view);
Assert.AreEqual(0, region.Views.Cast<object>().Count());
}
public void RegionExposesCollectionOfContainedViews()
{
IRegion region = new Region();
object view = new object();
region.Add(view);
var views = region.Views;
Assert.IsNotNull(views);
Assert.AreEqual(1, views.Cast<object>().Count());
Assert.AreSame(view, views.Cast<object>().ElementAt(0));
}
public void ShouldFindCandidateViewWithFriendlyNameInRegion()
{
this.ConfigureMockServiceLocator();
// We cannot access the MefRegionNavigationContentLoader directly so we need to call its
// GetCandidatesFromRegion method through a navigation request.
IRegion testRegion = new Region();
MockView2 view = new MockView2();
testRegion.Add(view);
testRegion.Deactivate(view);
testRegion.RequestNavigate("SomeView");
Assert.IsTrue(testRegion.Views.Contains(view));
Assert.IsTrue(testRegion.Views.Count() == 1);
Assert.IsTrue(testRegion.ActiveViews.Count() == 1);
Assert.IsTrue(testRegion.ActiveViews.Contains(view));
}
public void WhenClearChildViewsPropertyIsNotSet_ThenChildViewsRegionManagerIsNotCleared()
{
var regionManager = new MockRegionManager();
var region = new Region();
region.RegionManager = regionManager;
var behavior = new ClearChildViewsRegionBehavior();
behavior.Region = region;
behavior.Attach();
var childView = new MockFrameworkElement();
region.Add(childView);
Assert.AreEqual(regionManager, childView.GetValue(RegionManager.RegionManagerProperty));
region.RegionManager = null;
Assert.AreEqual(regionManager, childView.GetValue(RegionManager.RegionManagerProperty));
}
public async Task WhenClearChildViewsPropertyIsNotSet_ThenChildViewsRegionManagerIsNotCleared()
{
await ExecuteOnUIThread(() =>
{
var regionManager = new MockRegionManager();
var region = new Region() { RegionManager = regionManager };
var behavior = new ClearChildViewsRegionBehavior() { Region = region };
behavior.Attach();
var childView = new MockFrameworkElement();
region.Add(childView);
Assert.AreEqual(regionManager, childView.GetValue(RegionManager.RegionManagerProperty));
region.RegionManager = null;
Assert.AreEqual(regionManager, childView.GetValue(RegionManager.RegionManagerProperty));
});
}
public void ShouldFindCandidateViewInRegion()
{
IUnityContainer container = new UnityContainer();
container.RegisterType<object, MockView>("MockView");
this.ConfigureMockServiceLocator(container);
// We cannot access the UnityRegionNavigationContentLoader directly so we need to call its
// GetCandidatesFromRegion method through a navigation request.
IRegion testRegion = new Region();
MockView view = new MockView();
testRegion.Add(view);
testRegion.Deactivate(view);
testRegion.RequestNavigate("MockView");
Assert.IsTrue(testRegion.Views.Contains(view));
Assert.IsTrue(testRegion.Views.Count() == 1);
Assert.IsTrue(testRegion.ActiveViews.Count() == 1);
Assert.IsTrue(testRegion.ActiveViews.Contains(view));
}
public void AddingSameViewTwiceThrows()
{
object view = new object();
IRegion region = new Region();
region.Add(view);
try
{
region.Add(view);
Assert.Fail();
}
catch (InvalidOperationException ex)
{
Assert.AreEqual("View already exists in region.", ex.Message);
}
catch
{
Assert.Fail();
}
}
public void ShowViewFiresViewShowedEvent()
{
bool viewActivated = false;
IRegion region = new Region();
object model = new object();
region.ActiveViews.CollectionChanged += (o, e) =>
{
if (e.Action == NotifyCollectionChangedAction.Add && e.NewItems.Contains(model))
viewActivated = true;
};
region.Add(model);
Assert.IsFalse(viewActivated);
region.Activate(model);
Assert.IsTrue(viewActivated);
}
public void ViewRemovedEventPassesTheViewRemovedInTheEventArgs()
{
object removedView = null;
IRegion region = new Region();
region.Views.CollectionChanged += (sender, e) =>
{
if (e.Action == NotifyCollectionChangedAction.Remove)
removedView = e.OldItems[0];
};
object model = new object();
region.Add(model);
Assert.IsNull(removedView);
region.Remove(model);
Assert.AreSame(model, removedView);
}
public void AddNamedViewIsAlsoListedInViewsCollection()
{
IRegion region = new Region();
object myView = new object();
region.Add(myView, "MyView");
Assert.AreEqual(1, region.Views.Cast<object>().Count());
Assert.AreSame(myView, region.Views.Cast<object>().ElementAt(0));
}
public void WhenViewsWithSortHintsAdded_RegionSortsViews()
{
IRegion region = new Region();
object view1 = new ViewOrder1();
object view2 = new ViewOrder2();
object view3 = new ViewOrder3();
region.Add(view1);
region.Add(view2);
region.Add(view3);
Assert.AreEqual(3, region.Views.Count());
Assert.AreSame(view2, region.Views.ElementAt(0));
Assert.AreSame(view3, region.Views.ElementAt(1));
Assert.AreSame(view1, region.Views.ElementAt(2));
}
public void AddingNonDependencyObjectToRegionDoesNotThrow()
{
IRegion region = new Region();
object model = new object();
region.Add(model);
Assert.AreEqual(1, region.Views.Cast<object>().Count());
}
public void AddViewPassesDiferentScopeWhenAdding()
{
var regionManager = new MockRegionManager();
IRegion region = new Region();
region.RegionManager = regionManager;
var myView = new MockDependencyObject();
region.Add(myView, "MyView", true);
Assert.AreNotSame(regionManager, myView.GetValue(RegionManager.RegionManagerProperty));
}
public void CreatingNewScopesAsksTheRegionManagerForNewInstance()
{
var regionManager = new MockRegionManager();
IRegion region = new Region();
region.RegionManager = regionManager;
var myView = new object();
region.Add(myView, "MyView", true);
Assert.IsTrue(regionManager.CreateRegionManagerCalled);
}
public void AddViewPassesSameScopeByDefaultToNamedView()
{
var regionManager = new MockRegionManager();
IRegion region = new Region();
region.RegionManager = regionManager;
var myView = new MockDependencyObject();
region.Add(myView, "MyView");
Assert.AreSame(regionManager, myView.GetValue(RegionManager.RegionManagerProperty));
}
public void GetViewReturnsNullAfterRemovingViewFromRegion()
{
IRegion region = new Region();
object myView = new object();
region.Add(myView, "MyView");
region.Remove(myView);
Assert.IsNull(region.GetView("MyView"));
}
public void AddNamedViewWithNullOrEmptyStringNameThrows()
{
IRegion region = new Region();
Assert.ThrowsException<ArgumentException>(() => region.Add(new object(), string.Empty));
}
public void RemovingViewAlsoRemovesItFromActiveViews()
{
IRegion region = new Region();
object model = new object();
region.Add(model);
region.Activate(model);
Assert.IsTrue(region.ActiveViews.Contains(model));
region.Remove(model);
Assert.IsFalse(region.ActiveViews.Contains(model));
}
public void AddViewRaisesCollectionViewEvent()
{
bool viewAddedCalled = false;
IRegion region = new Region();
region.Views.CollectionChanged += (sender, e) =>
{
if (e.Action == NotifyCollectionChangedAction.Add)
viewAddedCalled = true;
};
object model = new object();
Assert.IsFalse(viewAddedCalled);
region.Add(model);
Assert.IsTrue(viewAddedCalled);
}
public void NavigateDelegatesToIRegionNavigationService()
{
try
{
// Prepare
IRegion region = new Region();
object view = new object();
region.Add(view);
Uri uri = new Uri(view.GetType().Name, UriKind.Relative);
Action<NavigationResult> navigationCallback = nr => { };
Mock<IRegionNavigationService> mockRegionNavigationService = new Mock<IRegionNavigationService>();
mockRegionNavigationService.Setup(x => x.RequestNavigate(uri, navigationCallback)).Verifiable();
Mock<IServiceLocator> mockServiceLocator = new Mock<IServiceLocator>();
mockServiceLocator.Setup(x => x.GetInstance<IRegionNavigationService>()).Returns(mockRegionNavigationService.Object);
ServiceLocator.SetLocatorProvider(() => mockServiceLocator.Object);
// Act
region.RequestNavigate(uri, navigationCallback);
// Verify
mockRegionNavigationService.VerifyAll();
}
finally
{
ServiceLocator.SetLocatorProvider(() => null);
}
}
public void ViewAddedEventPassesTheViewAddedInTheEventArgs()
{
object viewAdded = null;
IRegion region = new Region();
region.Views.CollectionChanged += (sender, e) =>
{
if (e.Action == NotifyCollectionChangedAction.Add)
{
viewAdded = e.NewItems[0];
}
};
object model = new object();
Assert.IsNull(viewAdded);
region.Add(model);
Assert.IsNotNull(viewAdded);
Assert.AreSame(model, viewAdded);
}
public void WhenViewHasBeenRemovedAndRegionManagerPropertyCleared_ThenItCanBeAddedAgainToARegion()
{
IRegion region = new Region { RegionManager = new MockRegionManager() };
var view = new MockFrameworkElement();
var scopedRegionManager = region.Add(view, null, true);
Assert.AreEqual(view, region.Views.First());
region.Remove(view);
view.ClearValue(RegionManager.RegionManagerProperty);
Assert.AreEqual(0, region.Views.Cast<object>().Count());
var newScopedRegion = region.Add(view, null, true);
Assert.AreEqual(view, region.Views.First());
Assert.AreSame(newScopedRegion, view.GetValue(RegionManager.RegionManagerProperty));
}
public void RemoveViewFiresViewRemovedEvent()
{
bool viewRemoved = false;
IRegion region = new Region();
object model = new object();
region.Views.CollectionChanged += (sender, e) =>
{
if (e.Action == NotifyCollectionChangedAction.Remove)
viewRemoved = true;
};
region.Add(model);
Assert.IsFalse(viewRemoved);
region.Remove(model);
Assert.IsTrue(viewRemoved);
}
public void AddViewReturnsNewRegionManager()
{
var regionManager = new MockRegionManager();
IRegion region = new Region();
region.RegionManager = regionManager;
var myView = new object();
var returnedRegionManager = region.Add(myView, "MyView", true);
Assert.AreNotSame(regionManager, returnedRegionManager);
}
public void AddingDuplicateNamedViewThrows()
{
IRegion region = new Region();
region.Add(new object(), "MyView");
Assert.ThrowsException<InvalidOperationException>(() => region.Add(new object(), "MyView"));
}
