public void ViewModelKeyTest()
{
ViewInjectionService service = new ViewInjectionService();
IViewInjectionService iService = service;
ContentControl target = new ContentControl();
Interaction.GetBehaviors(target).Add(service);
object vm1 = new object();
object vm2 = new object();
Window.Content = target;
EnqueueShowWindow();
EnqueueCallback(() => {
iService.Inject(null, null);
iService.Inject(null, vm1);
Assert.AreEqual(1, iService.ViewModels.Count());
Assert.AreSame(vm1, iService.ViewModels.ElementAt(0));
Assert.AreEqual(vm1, iService.GetKey(vm1));
Assert.AreSame(vm1, iService.GetViewModel(vm1));
AssertHelper.AssertThrows <InvalidOperationException>(() => iService.Inject(null, vm1),
x => Assert.AreEqual("A view model with the same key already exists in the ViewInjectionService region.", x.Message));
service.RegionName = "Test";
AssertHelper.AssertThrows <InvalidOperationException>(() => iService.Inject(null, vm1),
x => Assert.AreEqual("A view model with the same key already exists in the Test region.", x.Message));
iService.Inject("New", vm2);
Assert.AreEqual(2, iService.ViewModels.Count());
Assert.AreSame(vm2, iService.ViewModels.ElementAt(1));
Assert.AreEqual("New", iService.GetKey(vm2));
Assert.AreSame(vm2, iService.GetViewModel("New"));
iService.Remove(vm1);
Assert.AreEqual(1, iService.ViewModels.Count());
iService.Remove(vm2);
Assert.AreEqual(0, iService.ViewModels.Count());
});
EnqueueTestComplete();
}
public void RegisterUnregister()
{
Grid container = new Grid();
Window.Content = container;
ViewInjectionService service1 = new ViewInjectionService()
{
RegionName = "region1"
};
ContentPresenter target1 = new ContentPresenter();
container.Children.Add(target1);
Interactivity.Interaction.GetBehaviors(target1).Add(service1);
ViewInjectionService service2 = new ViewInjectionService()
{
RegionName = "region2"
};
ContentPresenter target2 = new ContentPresenter();
container.Children.Add(target2);
Interactivity.Interaction.GetBehaviors(target2).Add(service2);
EnqueueShowWindow();
EnqueueCallback(() => {
Assert.AreSame(service1, ViewInjectionManager.Default.GetService("region1"));
Assert.AreSame(service2, ViewInjectionManager.Default.GetService("region2"));
Interactivity.Interaction.GetBehaviors(target1).Remove(service1);
container.Children.Remove(target2);
});
EnqueueWindowUpdateLayout();
EnqueueCallback(() => {
Assert.IsNull(ViewInjectionManager.Default.GetService("region1"));
Assert.IsNull(ViewInjectionManager.Default.GetService("region2"));
});
EnqueueTestComplete();
}
WeakReference[] PersistentMode_InjectRemove_Core(Func <object> vmFactory, object vm)
{
Grid container = new Grid();
Window.Content = container;
ViewInjectionManager.PersistentManager.Inject("region", null, vmFactory, typeof(TestInjectionView1));
ViewInjectionService service1 = new ViewInjectionService()
{
RegionName = "region", ViewInjectionManager = ViewInjectionManager.PersistentManager
};
ContentPresenter target1 = new ContentPresenter();
container.Children.Add(target1);
Interactivity.Interaction.GetBehaviors(target1).Add(service1);
ViewInjectionService service2 = new ViewInjectionService()
{
RegionName = "region", ViewInjectionManager = ViewInjectionManager.PersistentManager
};
ItemsControl target2 = new ItemsControl();
EnqueueShowWindow();
EnqueueCallback(() => {
Assert.AreSame(vm, target1.Content);
Assert.AreEqual(1, ((IViewInjectionService)service1).ViewModels.Count());
container.Children.Remove(target1);
});
EnqueueWindowUpdateLayout();
EnqueueCallback(() => {
Assert.AreEqual(0, ((IViewInjectionService)service1).ViewModels.Count());
container.Children.Add(target1);
});
EnqueueWindowUpdateLayout();
EnqueueCallback(() => {
Assert.AreSame(vm, target1.Content);
Assert.AreEqual(1, ((IViewInjectionService)service1).ViewModels.Count());
container.Children.Remove(target1);
});
EnqueueWindowUpdateLayout();
EnqueueCallback(() => {
Interactivity.Interaction.GetBehaviors(target2).Add(service2);
container.Children.Add(target2);
});
EnqueueWindowUpdateLayout();
EnqueueCallback(() => {
Assert.AreSame(vm, target2.Items[0]);
Assert.AreEqual(0, ((IViewInjectionService)service1).ViewModels.Count());
Assert.AreEqual(1, ((IViewInjectionService)service2).ViewModels.Count());
Interaction.GetBehaviors(target1).Remove(service1);
Interaction.GetBehaviors(target2).Remove(service2);
});
EnqueueWindowUpdateLayout();
EnqueueCallback(() => {
service1.ViewInjectionManager = null;
service2.ViewInjectionManager = null;
Assert.AreEqual(0, ((IViewInjectionService)service1).ViewModels.Count());
Assert.AreEqual(0, ((IViewInjectionService)service2).ViewModels.Count());
});
EnqueueTestComplete();
WeakReference target1Reference = new WeakReference(target1);
WeakReference target2Reference = new WeakReference(target2);
WeakReference service1Reference = new WeakReference(service1);
WeakReference service2Reference = new WeakReference(service2);
return(new WeakReference[] { target1Reference, target2Reference, service1Reference, service2Reference });
}
WeakReference[] NavigatedEvent_NavigatedAwayEvent_Core()
{
TabControl target = new TabControl();
VM vm1 = new VM();
VM vm2 = new VM();
VM vm3 = new VM();
ViewInjectionManager.Default.Inject("region1", null, () => vm1);
ViewInjectionManager.Default.Inject("region1", null, () => vm2);
ViewInjectionManager.Default.Navigate("region1", vm2);
ViewInjectionService service = new ViewInjectionService()
{
RegionName = "region1"
};
Interaction.GetBehaviors(target).Add(service);
Window.Content = target;
EnqueueShowWindow();
EnqueueCallback(() => {
Assert.AreEqual(1, vm1.NavigatedCount);
Assert.AreEqual(1, vm1.NavigatedAwayCount);
Assert.AreEqual(1, vm2.NavigatedCount);
Assert.AreEqual(0, vm2.NavigatedAwayCount);
Assert.AreEqual(0, vm3.NavigatedCount);
Assert.AreEqual(0, vm3.NavigatedAwayCount);
ViewInjectionManager.Default.Navigate("region1", vm3);
ViewInjectionManager.Default.Inject("region1", null, () => vm3);
});
EnqueueWindowUpdateLayout();
EnqueueCallback(() => {
Assert.AreEqual(1, vm1.NavigatedCount);
Assert.AreEqual(1, vm1.NavigatedAwayCount);
Assert.AreEqual(1, vm2.NavigatedCount);
Assert.AreEqual(1, vm2.NavigatedAwayCount);
Assert.AreEqual(1, vm3.NavigatedCount);
Assert.AreEqual(0, vm3.NavigatedAwayCount);
});
EnqueueWindowUpdateLayout();
EnqueueCallback(() => {
target.SelectedItem = vm1;
});
EnqueueWindowUpdateLayout();
EnqueueCallback(() => {
Assert.AreEqual(2, vm1.NavigatedCount);
Assert.AreEqual(1, vm1.NavigatedAwayCount);
Assert.AreEqual(1, vm2.NavigatedCount);
Assert.AreEqual(1, vm2.NavigatedAwayCount);
Assert.AreEqual(1, vm3.NavigatedCount);
Assert.AreEqual(1, vm3.NavigatedAwayCount);
});
EnqueueTestComplete();
WeakReference targetReference = new WeakReference(target);
WeakReference serviceReference = new WeakReference(service);
WeakReference vm1Reference = new WeakReference(vm1);
WeakReference vm2Reference = new WeakReference(vm2);
WeakReference vm3Reference = new WeakReference(vm3);
Interaction.GetBehaviors(target).Remove(service);
Window.Content = null;
return(new WeakReference[] { targetReference, serviceReference, vm1Reference, vm2Reference, vm3Reference });
}
WeakReference[] InjectRemove_Core()
{
Grid container = new Grid();
Window.Content = container;
object vm1 = null;
object vm2 = null;
object vm3 = null;
ViewInjectionManager.Default.Inject("region1", null, () => vm1 = new object(), "TestInjectionView1");
ViewInjectionManager.Default.Inject("region2", null, () => vm2 = new object());
ViewInjectionService service1 = new ViewInjectionService()
{
RegionName = "region1"
};
ContentPresenter target1 = new ContentPresenter();
container.Children.Add(target1);
Interactivity.Interaction.GetBehaviors(target1).Add(service1);
ViewInjectionService service2 = new ViewInjectionService()
{
RegionName = "region2"
};
ContentPresenter target2 = new ContentPresenter();
container.Children.Add(target2);
Interactivity.Interaction.GetBehaviors(target2).Add(service2);
Assert.IsNull(vm1);
Assert.IsNull(vm2);
Assert.IsNull(vm3);
EnqueueShowWindow();
EnqueueCallback(() => {
Assert.AreSame(vm1, target1.Content);
Assert.AreSame(vm2, target2.Content);
ViewInjectionManager.Default.Inject("region2", null, () => vm3 = new object(), typeof(TestInjectionView1));
Assert.AreSame(vm1, target1.Content);
Assert.AreSame(vm2, target2.Content);
ViewInjectionManager.Default.Navigate("region2", vm3);
Assert.AreSame(vm3, target2.Content);
Assert.AreEqual(2, ((IViewInjectionService)service2).ViewModels.Count());
});
EnqueueWindowUpdateLayout();
EnqueueCallback(() => {
ViewInjectionManager.Default.Remove("region1", vm1);
ViewInjectionManager.Default.Remove("region2", vm2);
ViewInjectionManager.Default.Remove("region2", vm3);
});
EnqueueWindowUpdateLayout();
EnqueueCallback(() => {
Assert.AreEqual(0, ViewInjectionManager.Default.GetService("region1").ViewModels.Count());
Assert.AreEqual(0, ViewInjectionManager.Default.GetService("region2").ViewModels.Count());
});
EnqueueTestComplete();
WeakReference target1Reference = new WeakReference(target1);
WeakReference target2Reference = new WeakReference(target2);
WeakReference service1Reference = new WeakReference(service1);
WeakReference service2Reference = new WeakReference(service2);
WeakReference vm1Reference = new WeakReference(vm1);
WeakReference vm2Reference = new WeakReference(vm2);
WeakReference vm3Reference = new WeakReference(vm3);
Interaction.GetBehaviors(target1).Remove(service1);
Interaction.GetBehaviors(target2).Remove(service2);
Window.Content = null;
return(new WeakReference[] { target1Reference, target2Reference, service1Reference, service2Reference, vm1Reference, vm2Reference, vm3Reference });
}
