public void RegionWillNotGetCreatedTwiceWhenThereAreMoreRegions()
{
var control1 = new MockFrameworkElement();
var control2 = new MockFrameworkElement();
var accessor = new MockRegionManagerAccessor
{
GetRegionName = d => d == control1 ? "Region1" : "Region2"
};
var adapter = new MockRegionAdapter();
adapter.Accessor = accessor;
var behavior1 = this.GetBehavior(control1, accessor, adapter);
var behavior2 = this.GetBehavior(control2, accessor, adapter);
behavior1.Attach();
behavior2.Attach();
accessor.UpdateRegions();
Assert.IsTrue(adapter.CreatedRegions.Contains("Region1"));
Assert.IsTrue(adapter.CreatedRegions.Contains("Region2"));
Assert.AreEqual(1, adapter.CreatedRegions.Count((name) => name == "Region2"));
}
public void WhenWindowContentIsSet_ShouldWrapContentInCommonWindow()
{
MockFrameworkElement element = new MockFrameworkElement();
TestablePopupWindowAction popupWindowAction = new TestablePopupWindowAction();
popupWindowAction.WindowContent = element;
INotification notification = new Notification();
notification.Title = "Title";
notification.Content = "Content";
Window window = popupWindowAction.GetWindow(notification);
Assert.IsNotInstanceOfType(window, typeof(DefaultNotificationWindow));
Assert.IsNotInstanceOfType(window, typeof(DefaultConfirmationWindow));
Assert.IsInstanceOfType(window, typeof(Window));
}
public void RegionGetsCreatedWhenAccessingRegions()
{
var control = new MockFrameworkElement();
var accessor = new MockRegionManagerAccessor
{
GetRegionName = d => "myRegionName"
};
var behavior = this.GetBehavior(control, accessor);
behavior.Attach();
accessor.UpdateRegions();
Assert.IsNotNull(RegionManager.GetObservableRegion(control).Value);
Assert.IsInstanceOfType(RegionManager.GetObservableRegion(control).Value, typeof(IRegion));
}
public void WhenDataContextOfWindowContentImplementsIInteractionRequestAware_ShouldSetUpProperties()
{
MockInteractionRequestAwareElement dataContext = new MockInteractionRequestAwareElement();
MockFrameworkElement element = new MockFrameworkElement();
TestablePopupWindowAction popupWindowAction = new TestablePopupWindowAction();
element.DataContext = dataContext;
popupWindowAction.WindowContent = element;
INotification notification = new Notification();
notification.Title = "Title";
notification.Content = "Content";
Window window = popupWindowAction.GetWindow(notification);
Assert.IsNotNull(dataContext.Notification);
Assert.ReferenceEquals(dataContext.Notification, notification);
Assert.IsNotNull(dataContext.FinishInteraction);
}
public void BehaviorShouldUnhookEventWhenDetaching()
{
var control = new MockFrameworkElement();
var accessor = new MockRegionManagerAccessor
{
GetRegionName = d => "myRegionName",
};
var behavior = this.GetBehavior(control, accessor);
behavior.Attach();
int startingCount = accessor.GetSubscribersCount();
behavior.Detach();
Assert.AreEqual<int>(startingCount - 1, accessor.GetSubscribersCount());
}
public void RegionDoesNotGetCreatedTwiceWhenUpdatingRegions()
{
var control = new MockFrameworkElement();
var accessor = new MockRegionManagerAccessor
{
GetRegionName = d => "myRegionName"
};
var behavior = this.GetBehavior(control, accessor);
behavior.Attach();
accessor.UpdateRegions();
IRegion region = RegionManager.GetObservableRegion(control).Value;
accessor.UpdateRegions();
Assert.AreSame(region, RegionManager.GetObservableRegion(control).Value);
}
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 void BehaviorDoesNotPreventControlFromBeingGarbageCollected()
{
var control = new MockFrameworkElement();
WeakReference controlWeakReference = new WeakReference(control);
var accessor = new MockRegionManagerAccessor
{
GetRegionName = d => "myRegionName"
};
var behavior = this.GetBehavior(control, accessor);
behavior.Attach();
Assert.IsTrue(controlWeakReference.IsAlive);
GC.KeepAlive(control);
control = null;
GC.Collect();
Assert.IsFalse(controlWeakReference.IsAlive);
}
public void WhenParentViewWithoutScopedRegionGetsActivatedOrDeactivated_ThenSyncedChildViewIsNotUpdated()
{
var commonRegionManager = new RegionManager();
var nonScopedRegion = new Region { Name="MyRegion", RegionManager = commonRegionManager };
commonRegionManager.Regions.Add(nonScopedRegion);
var behaviorForScopedRegion = new RegionActiveAwareBehavior { Region = nonScopedRegion };
behaviorForScopedRegion.Attach();
var childActiveAwareView = new SyncedActiveAwareObject();
var region = new MockPresentationRegion { RegionManager = commonRegionManager };
var behavior = new RegionActiveAwareBehavior { Region = region };
behavior.Attach();
var view = new MockFrameworkElement();
region.Add(view);
RegionManager.SetRegionManager(view, commonRegionManager);
region.Activate(view);
nonScopedRegion.Add(childActiveAwareView);
nonScopedRegion.Activate(childActiveAwareView);
Assert.IsTrue(childActiveAwareView.IsActive);
region.Deactivate(view);
Assert.IsTrue(childActiveAwareView.IsActive);
}
public void WhenParentViewGetsActivatedOrDeactivated_ThenSyncedChildViewNotInActiveViewsIsNotUpdated()
{
var scopedRegionManager = new RegionManager();
var scopedRegion = new Region { Name="MyScopedRegion", RegionManager = scopedRegionManager };
scopedRegionManager.Regions.Add(scopedRegion);
var behaviorForScopedRegion = new RegionActiveAwareBehavior { Region = scopedRegion };
behaviorForScopedRegion.Attach();
var childActiveAwareView = new SyncedActiveAwareObject();
var region = new MockPresentationRegion();
var behavior = new RegionActiveAwareBehavior { Region = region };
behavior.Attach();
var view = new MockFrameworkElement();
region.Add(view);
RegionManager.SetRegionManager(view, scopedRegionManager);
region.Activate(view);
scopedRegion.Add(childActiveAwareView);
scopedRegion.Deactivate(childActiveAwareView);
Assert.IsFalse(childActiveAwareView.IsActive);
region.Deactivate(view);
Assert.IsFalse(childActiveAwareView.IsActive);
region.Activate(view);
Assert.IsFalse(childActiveAwareView.IsActive);
}
public void WhenAViewIsRemovedFromARegion_ThenRegionContextIsNotClearedInRegion()
{
var behavior = new BindRegionContextToDependencyObjectBehavior();
var region = new MockPresentationRegion();
behavior.Region = region;
behavior.Attach();
var myView = new MockFrameworkElement();
region.Add(myView);
region.Context = "new context";
region.Remove(myView);
Assert.IsNotNull(region.Context);
}
public virtual void WillRemoveDeactivatedItemIfDataContextKeepAliveAttributeFalse()
{
// Arrange
var regionItemDataContext = new RegionMemberNotKeptAlive();
var regionItem = new MockFrameworkElement() { DataContext = regionItemDataContext };
Region.Add(regionItem);
Region.Activate(regionItem);
// Act
Region.Deactivate(regionItem);
// Assert
Assert.IsFalse(Region.Views.Contains(regionItem));
}
public virtual void RemovesOnlyDeactivatedItemsInRegionBasedOnDataContextKeepAlive()
{
// Arrange
var retionItemDataContextToKeepAlive = new Mock<IRegionMemberLifetime>();
retionItemDataContextToKeepAlive.Setup(i => i.KeepAlive).Returns(true);
var regionItemToKeepAlive = new MockFrameworkElement();
regionItemToKeepAlive.DataContext = retionItemDataContextToKeepAlive.Object;
Region.Add(regionItemToKeepAlive);
Region.Activate(regionItemToKeepAlive);
var regionItemMock = new Mock<IRegionMemberLifetime>();
regionItemMock.Setup(i => i.KeepAlive).Returns(false);
var regionItem = new MockFrameworkElement();
regionItem.DataContext = regionItemMock.Object;
Region.Add(regionItem);
Region.Activate(regionItem);
// Act
Region.Deactivate(regionItem);
// Assert
Assert.IsFalse(Region.Views.Contains(regionItem));
Assert.IsTrue(Region.Views.Contains(regionItemToKeepAlive));
}
public virtual void RemovesRegionItemIfDataContextReturnsKeepAliveFalse()
{
// Arrange
var regionItemMock = new Mock<IRegionMemberLifetime>();
regionItemMock.Setup(i => i.KeepAlive).Returns(false);
var regionItem = new MockFrameworkElement();
regionItem.DataContext = regionItemMock.Object;
Region.Add(regionItem);
Region.Activate(regionItem);
// Act
Region.Deactivate(regionItem);
// Assert
Assert.IsFalse(Region.Views.Contains(regionItem));
}
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 ShouldCleanupBehaviorOnceRegionIsCreated()
{
var control = new MockFrameworkElement();
var accessor = new MockRegionManagerAccessor
{
GetRegionName = d => "myRegionName"
};
var behavior = this.GetBehavior(control, accessor);
WeakReference behaviorWeakReference = new WeakReference(behavior);
behavior.Attach();
accessor.UpdateRegions();
Assert.IsTrue(behaviorWeakReference.IsAlive);
GC.KeepAlive(behavior);
behavior = null;
GC.Collect();
Assert.IsFalse(behaviorWeakReference.IsAlive);
}
