public void ShouldCreateRegion()
{
try
{
var regionManager = new MockRegionManager();
ServiceLocator.SetLocatorProvider(() => new MockServiceLocator(() => regionManager));
FrameworkElement hostControl = new MockFrameworkElement();
RegionPopupBehaviors.RegisterNewPopupRegion(hostControl, "MyPopupRegion");
Assert.IsTrue(regionManager.MockRegions.Regions.ContainsKey("MyPopupRegion"));
Assert.IsNotNull(regionManager.MockRegions.Regions["MyPopupRegion"]);
Assert.IsInstanceOfType(regionManager.MockRegions.Regions["MyPopupRegion"], typeof(SingleActiveRegion));
Assert.IsTrue(regionManager.MockRegions.Regions["MyPopupRegion"].Behaviors.ContainsKey(DialogActivationBehavior.BehaviorKey));
#if SILVERLIGHT
Assert.IsInstanceOfType(regionManager.MockRegions.Regions["MyPopupRegion"].Behaviors[DialogActivationBehavior.BehaviorKey], typeof(PopupDialogActivationBehavior));
#else
Assert.IsInstanceOfType(regionManager.MockRegions.Regions["MyPopupRegion"].Behaviors[DialogActivationBehavior.BehaviorKey], typeof(WindowDialogActivationBehavior));
#endif
}
finally
{
ServiceLocator.SetLocatorProvider(() => null);
}
}
public void ShouldCreateRegion()
{
try
{
var regionManager = new MockRegionManager();
ServiceLocator.SetLocatorProvider(() => new MockServiceLocator(() => regionManager));
FrameworkElement hostControl = new MockFrameworkElement();
RegionPopupBehaviors.RegisterNewPopupRegion(hostControl, "MyPopupRegion");
RegionPopupBehaviors.SetCreatePopupRegionWithName(hostControl, "MyPopupRegion");
Assert.AreEqual("MyPopupRegion", RegionPopupBehaviors.GetCreatePopupRegionWithName(hostControl));
var style = new Style();
RegionPopupBehaviors.SetContainerWindowStyle(hostControl, style);
Assert.AreEqual(style, RegionPopupBehaviors.GetContainerWindowStyle(hostControl));
Assert.IsTrue(regionManager.MockRegions.Regions.ContainsKey("MyPopupRegion"));
Assert.IsNotNull(regionManager.MockRegions.Regions["MyPopupRegion"]);
Assert.IsInstanceOfType(regionManager.MockRegions.Regions["MyPopupRegion"], typeof(SingleActiveRegion));
Assert.IsTrue(regionManager.MockRegions.Regions["MyPopupRegion"].Behaviors.ContainsKey(DialogActivationBehavior.BehaviorKey));
Assert.IsInstanceOfType(regionManager.MockRegions.Regions["MyPopupRegion"].Behaviors[DialogActivationBehavior.BehaviorKey], typeof(WindowDialogActivationBehavior));
}
finally
{
ServiceLocator.SetLocatorProvider(() => null);
}
}
public void RegionGetsRemovedFromRegionManagerWhenRemovedFromScope()
{
var regionManager = new MockRegionManager();
var control = new MockFrameworkElement();
var regionScopeControl = new ContentControl();
var accessor = new MockRegionManagerAccessor
{
GetRegionManager = d => d == regionScopeControl ? regionManager : null
};
var region = new MockPresentationRegion()
{
Name = "myRegionName"
};
var behavior = new RegionManagerRegistrationBehavior()
{
RegionManagerAccessor = accessor,
Region = region,
HostControl = control
};
behavior.Attach();
regionScopeControl.Content = control;
accessor.UpdateRegions();
Assert.IsTrue(regionManager.MockRegionCollection.AddCalled);
Assert.AreSame(region, regionManager.MockRegionCollection.AddArgument);
regionScopeControl.Content = null;
accessor.UpdateRegions();
Assert.IsTrue(regionManager.MockRegionCollection.RemoveCalled);
}
public void ShouldCreateRegion()
{
try
{
var regionManager = new MockRegionManager();
var windowManager = new MockWindowManager();
var dialogActivationBehavior = new DialogActivationBehavior(windowManager);
ServiceLocator.SetLocatorProvider(
() =>
new MockServiceLocator(
new Tuple <Type, Func <object> >(typeof(IRegionManager), () => regionManager),
new Tuple <Type, Func <object> >(typeof(DialogActivationBehavior), () => dialogActivationBehavior)));
FrameworkElement hostControl = new MockFrameworkElement();
RegionWindowBehaviors.RegisterNewWindowRegion(hostControl, "MyPopupRegion");
Assert.IsTrue(regionManager.MockRegions.Regions.ContainsKey("MyPopupRegion"));
Assert.IsNotNull(regionManager.MockRegions.Regions["MyPopupRegion"]);
Assert.IsInstanceOfType(regionManager.MockRegions.Regions["MyPopupRegion"], typeof(AllActiveRegion));
Assert.IsTrue(regionManager.MockRegions.Regions["MyPopupRegion"].Behaviors.ContainsKey(DialogActivationBehavior.BehaviorKey));
Assert.IsInstanceOfType(regionManager.MockRegions.Regions["MyPopupRegion"].Behaviors[DialogActivationBehavior.BehaviorKey], typeof(DialogActivationBehavior));
}
finally
{
ServiceLocator.SetLocatorProvider(() => null);
}
}
public async Task RegionWillNotGetCreatedTwiceWhenThereAreMoreRegions()
{
await ExecuteOnUIThread(() =>
{
var control1 = new MockFrameworkElement();
var control2 = new MockFrameworkElement();
var accessor = new MockRegionManagerAccessor
{
GetRegionName = d => d == control1 ? "Region1" : "Region2"
};
var adapter = new MockRegionAdapter() { Accessor = accessor };
var behavior1 = DelayedRegionCreationBehaviorFixture.GetBehavior(control1, accessor, adapter);
var behavior2 = DelayedRegionCreationBehaviorFixture.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 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 void RegionDoesNotGetAddedTwiceWhenUpdatingRegions()
{
var regionManager = new MockRegionManager();
var control = new MockFrameworkElement();
var regionScopeControl = new ContentControl();
var accessor = new MockRegionManagerAccessor
{
GetRegionManager = d => d == regionScopeControl ? regionManager : null
};
var behavior = new RegionManagerRegistrationBehavior()
{
RegionManagerAccessor = accessor,
Region = new MockPresentationRegion()
{
Name = "myRegionName"
},
HostControl = control
};
behavior.Attach();
Assert.IsFalse(regionManager.MockRegionCollection.AddCalled);
regionScopeControl.Content = control;
accessor.UpdateRegions();
Assert.IsTrue(regionManager.MockRegionCollection.AddCalled);
regionManager.MockRegionCollection.AddCalled = false;
accessor.UpdateRegions();
Assert.IsFalse(regionManager.MockRegionCollection.AddCalled);
}
public void BehaviorDoesNotPreventRegionManagerFromBeingGarbageCollected()
{
var control = new MockFrameworkElement();
var regionManager = new MockRegionManager();
var regionManagerWeakReference = new WeakReference(regionManager);
var accessor = new MockRegionManagerAccessor
{
GetRegionName = d => "myRegionName",
GetRegionManager = d => regionManager
};
var behavior = new RegionManagerRegistrationBehavior()
{
RegionManagerAccessor = accessor,
Region = new MockPresentationRegion(),
HostControl = control
};
behavior.Attach();
Assert.IsTrue(regionManagerWeakReference.IsAlive);
GC.KeepAlive(regionManager);
regionManager = null;
GC.Collect();
Assert.IsFalse(regionManagerWeakReference.IsAlive);
}
public void WhenClearChildViewsPropertyIsTrue_ThenChildViewsRegionManagerIsCleared()
{
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);
ClearChildViewsRegionBehavior.SetClearChildViews(childView, true);
Assert.Equal(regionManager, childView.GetValue(RegionManager.RegionManagerProperty));
region.RegionManager = null;
Assert.Null(childView.GetValue(RegionManager.RegionManagerProperty));
}
public void WhenRegionManagerChangesToNotNullValue_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);
childView.SetValue(ClearChildViewsRegionBehavior.ClearChildViewsProperty, true);
Assert.AreEqual(regionManager, childView.GetValue(RegionManager.RegionManagerProperty));
region.RegionManager = new MockRegionManager();
Assert.IsNotNull(childView.GetValue(RegionManager.RegionManagerProperty));
}
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 ShouldCreateRegion()
{
try
{
var regionManager = new MockRegionManager();
ServiceLocator.SetLocatorProvider(() => new MockServiceLocator(() => regionManager));
FrameworkElement hostControl = new MockFrameworkElement();
RegionPopupBehaviors.RegisterNewPopupRegion(hostControl, "MyPopupRegion");
RegionPopupBehaviors.SetCreatePopupRegionWithName(hostControl, "MyPopupRegion");
Assert.AreEqual("MyPopupRegion", RegionPopupBehaviors.GetCreatePopupRegionWithName(hostControl));
var style = new Style();
RegionPopupBehaviors.SetContainerWindowStyle(hostControl, style);
Assert.AreEqual(style, RegionPopupBehaviors.GetContainerWindowStyle(hostControl));
Assert.IsTrue(regionManager.MockRegions.Regions.ContainsKey("MyPopupRegion"));
Assert.IsNotNull(regionManager.MockRegions.Regions["MyPopupRegion"]);
Assert.IsInstanceOfType(regionManager.MockRegions.Regions["MyPopupRegion"], typeof(SingleActiveRegion));
Assert.IsTrue(regionManager.MockRegions.Regions["MyPopupRegion"].Behaviors.ContainsKey(DialogActivationBehavior.BehaviorKey));
Assert.IsInstanceOfType(regionManager.MockRegions.Regions["MyPopupRegion"].Behaviors[DialogActivationBehavior.BehaviorKey], typeof(WindowDialogActivationBehavior));
}
finally
{
ServiceLocator.SetLocatorProvider(() => null);
}
}
public void ShouldCreateRegion()
{
try
{
var regionManager = new MockRegionManager();
ServiceLocator.SetLocatorProvider(() => new MockServiceLocator(() => regionManager));
FrameworkElement hostControl = new MockFrameworkElement();
RegionPopupBehaviors.RegisterNewPopupRegion(hostControl, "MyPopupRegion");
Assert.IsTrue(regionManager.MockRegions.Regions.ContainsKey("MyPopupRegion"));
Assert.IsNotNull(regionManager.MockRegions.Regions["MyPopupRegion"]);
Assert.IsInstanceOfType(regionManager.MockRegions.Regions["MyPopupRegion"], typeof(SingleActiveRegion));
Assert.IsTrue(regionManager.MockRegions.Regions["MyPopupRegion"].Behaviors.ContainsKey(DialogActivationBehavior.BehaviorKey));
#if SILVERLIGHT
Assert.IsInstanceOfType(regionManager.MockRegions.Regions["MyPopupRegion"].Behaviors[DialogActivationBehavior.BehaviorKey], typeof(PopupDialogActivationBehavior));
#else
Assert.IsInstanceOfType(regionManager.MockRegions.Regions["MyPopupRegion"].Behaviors[DialogActivationBehavior.BehaviorKey], typeof(WindowDialogActivationBehavior));
#endif
}
finally
{
ServiceLocator.SetLocatorProvider(() => null);
}
}
public void TriggerReceivesNotificationsFromBindedInteractionRequest()
{
var page = new MockFrameworkElement();
var myNotificationAwareObject = new MyNotificationAwareClass();
var binding = new Binding("InteractionRequest")
{
Source = myNotificationAwareObject, Mode = BindingMode.OneWay
};
var trigger = new InteractionRequestTrigger()
{
SourceObject = binding,
};
InteractionRequestedEventArgs eventArgs = null;
var actionListener = new ActionListener((e) => { eventArgs = (InteractionRequestedEventArgs)e; });
trigger.Actions.Add(actionListener);
trigger.Attach(page);
myNotificationAwareObject.InteractionRequest.Raise(new Notification {
Title = "Bar"
});
Assert.IsNotNull(eventArgs);
Assert.AreEqual("Bar", eventArgs.Context.Title);
}
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 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 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 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 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 ShouldSetDataContextInContainerTabItemToContainedFrameworkElementsDataContext()
{
var tabControl = new TabControl();
var adapter = new TabControlRegionAdapter(null);
var region = adapter.Initialize(tabControl, "region");
var dataContext = new object();
var view = new MockFrameworkElement()
{
DataContext = dataContext
};
region.Add(view);
TabItem container = (TabItem)tabControl.Items[0];
Assert.AreSame(dataContext, container.DataContext);
}
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 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 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.IsNotType <DefaultNotificationWindow>(window);
Assert.IsNotType <DefaultConfirmationWindow>(window);
Assert.IsType <DefaultWindow>(window);
}
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 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.NotNull(dataContext.Notification);
Assert.Same(dataContext.Notification, notification);
Assert.NotNull(dataContext.FinishInteraction);
}
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 async Task RegionGetsCreatedWhenAccessingRegions()
{
await ExecuteOnUIThread(() =>
{
var control = new MockFrameworkElement();
var accessor = new MockRegionManagerAccessor
{
GetRegionName = d => "myRegionName"
};
var behavior = DelayedRegionCreationBehaviorFixture.GetBehavior(control, accessor);
behavior.Attach();
accessor.UpdateRegions();
Assert.IsNotNull(RegionManager.GetObservableRegion(control).Value);
Assert.IsInstanceOfType(RegionManager.GetObservableRegion(control).Value, typeof(IRegion));
});
}
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 WhenAssociatedObjectIsUnloadedAndDiscarded_ShouldBeGarbageCollected()
{
InteractionRequest <INotification> request = new InteractionRequest <INotification>();
TestableInteractionRequestTrigger trigger = new TestableInteractionRequestTrigger();
MockFrameworkElement associatedObject = new MockFrameworkElement();
trigger.Attach(associatedObject);
trigger.SourceObject = request;
WeakReference weakTrigger = new WeakReference(trigger);
trigger = null;
GC.Collect();
Assert.IsTrue(weakTrigger.IsAlive);
associatedObject.RaiseUnloaded();
associatedObject = null;
GC.Collect();
Assert.IsFalse(weakTrigger.IsAlive);
}
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 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);
}
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 WhenAssociatedObjectIsReloaded_ShouldReactToEventBeingRaisedAgain()
{
InteractionRequest <INotification> request = new InteractionRequest <INotification>();
TestableInteractionRequestTrigger trigger = new TestableInteractionRequestTrigger();
MockFrameworkElement associatedObject = new MockFrameworkElement();
trigger.Attach(associatedObject);
trigger.SourceObject = request;
Assert.IsTrue(trigger.ExecutionCount == 0);
request.Raise(new Notification());
Assert.IsTrue(trigger.ExecutionCount == 1);
associatedObject.RaiseUnloaded();
request.Raise(new Notification());
Assert.IsTrue(trigger.ExecutionCount == 1);
associatedObject.RaiseLoaded();
request.Raise(new Notification());
Assert.IsTrue(trigger.ExecutionCount == 2);
}
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 WhenViewHasBeenRemovedAndRegionManagerPropertyCleared_ThenItCanBeAddedAgainToARegion()
{
IRegion region = new Region {
RegionManager = new MockRegionManager()
};
var view = new MockFrameworkElement();
var scopedRegionManager = region.Add(view, null, true);
Assert.Equal(view, region.Views.First());
region.Remove(view);
view.ClearValue(RegionManager.RegionManagerProperty);
Assert.Empty(region.Views.Cast <object>());
var newScopedRegion = region.Add(view, null, true);
Assert.Equal(view, region.Views.First());
Assert.Same(newScopedRegion, view.GetValue(RegionManager.RegionManagerProperty));
}
public void RegionGetsCreatedWhenAccessingRegions()
{
var control1 = new MockFrameworkElement();
var control2 = new MockFrameworkContentElement();
var accessor = new MockRegionManagerAccessor
{
GetRegionName = d => "myRegionName"
};
var behavior1 = this.GetBehavior(control1, accessor);
behavior1.Attach();
var behavior2 = this.GetBehavior(control2, accessor);
behavior2.Attach();
accessor.UpdateRegions();
Assert.NotNull(RegionManager.GetObservableRegion(control1).Value);
Assert.IsAssignableFrom <IRegion>(RegionManager.GetObservableRegion(control1).Value);
Assert.NotNull(RegionManager.GetObservableRegion(control2).Value);
Assert.IsAssignableFrom <IRegion>(RegionManager.GetObservableRegion(control2).Value);
}
public async Task BehaviorShouldUnhookEventWhenDetaching()
{
await ExecuteOnUIThread(() =>
{
var control = new MockFrameworkElement();
var accessor = new MockRegionManagerAccessor
{
GetRegionName = d => "myRegionName",
};
var behavior = DelayedRegionCreationBehaviorFixture.GetBehavior(control, accessor);
behavior.Attach();
int startingCount = accessor.GetSubscribersCount();
behavior.Detach();
Assert.AreEqual<int>(startingCount - 1, accessor.GetSubscribersCount());
});
}
public async Task ShouldCleanupBehaviorOnceRegionIsCreated()
{
await ExecuteOnUIThread(() =>
{
var control = new MockFrameworkElement();
var accessor = new MockRegionManagerAccessor
{
GetRegionName = d => "myRegionName"
};
var behavior = DelayedRegionCreationBehaviorFixture.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);
});
}
public async Task RegionDoesNotGetCreatedTwiceWhenUpdatingRegions()
{
await ExecuteOnUIThread(() =>
{
var control = new MockFrameworkElement();
var accessor = new MockRegionManagerAccessor
{
GetRegionName = d => "myRegionName"
};
var behavior = DelayedRegionCreationBehaviorFixture.GetBehavior(control, accessor);
behavior.Attach();
accessor.UpdateRegions();
IRegion region = RegionManager.GetObservableRegion(control).Value;
accessor.UpdateRegions();
Assert.AreSame(region, RegionManager.GetObservableRegion(control).Value);
});
}
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 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 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 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 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 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 ShouldSetDataContextInContainerTabItemToContainedFrameworkElementsDataContext()
{
var tabControl = new TabControl();
var adapter = new TabControlRegionAdapter(null);
var region = adapter.Initialize(tabControl, "region");
var dataContext = new object();
var view = new MockFrameworkElement() { DataContext = dataContext };
region.Add(view);
TabItem container = (TabItem)tabControl.Items[0];
Assert.AreSame(dataContext, container.DataContext);
}
public async Task WhenAViewIsRemovedFromARegion_ThenRegionContextIsNotClearedInRegion()
{
await ExecuteOnUIThread(() =>
{
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 void BehaviorDoesNotPreventControlFromBeingGarbageCollectedWhenRegionWasCreated()
{
var control = new MockFrameworkElement();
WeakReference controlWeakReference = new WeakReference(control);
var accessor = new MockRegionManagerAccessor
{
GetRegionName = d => "myRegionName"
};
var behavior = this.GetBehavior(control, accessor);
behavior.Attach();
accessor.UpdateRegions();
Assert.IsTrue(controlWeakReference.IsAlive);
GC.KeepAlive(control);
control = null;
GC.Collect();
Assert.IsFalse(controlWeakReference.IsAlive);
}
public async Task BehaviorDoesNotPreventControlFromBeingGarbageCollectedWhenRegionWasCreated()
{
await ExecuteOnUIThread(() =>
{
var control = new MockFrameworkElement();
WeakReference controlWeakReference = new WeakReference(control);
var accessor = new MockRegionManagerAccessor
{
GetRegionName = d => "myRegionName"
};
var behavior = DelayedRegionCreationBehaviorFixture.GetBehavior(control, accessor);
behavior.Attach();
accessor.UpdateRegions();
Assert.IsTrue(controlWeakReference.IsAlive);
GC.KeepAlive(control);
control = null;
GC.Collect();
Assert.IsFalse(controlWeakReference.IsAlive);
});
}
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 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);
}
