Example #1
0
        public void ResolverShouldRegisterAndResolveDynamicObjectTarget()
        {
            string name = BindingServiceProvider.ResourceResolver.RootElementResourceName;
            var    visualTreeManagerMock = new VisualTreeManagerMock();

            BindingServiceProvider.VisualTreeManager = visualTreeManagerMock;
            var rootMember = AttachedBindingMember.CreateAutoProperty <object, object>("root");

            visualTreeManagerMock.GetRootMember = type => rootMember;
            var target = new object();

            rootMember.SetValue(target, target);

            var dataContext = new DataContext
            {
                { BindingBuilderConstants.Target, target }
            };

            var resolver = CreateBindingResourceResolver();

            bool isInvoked = false;
            var  value     = resolver.ResolveObject(name, dataContext, false);

            value.Value.ShouldEqual(target);
            value.ValueChanged += (sender, args) => isInvoked = true;

            rootMember.SetValue(target, name);
            value.Value.ShouldEqual(name);
            isInvoked.ShouldBeTrue();
        }
        public void ManagerShouldRaiseEventWhenParentChanged()
        {
            bool           contextChanged = false;
            var            context        = new object();
            IEventListener eventListener  = null;
            var            memberMock     = new BindingMemberInfoMock
            {
                TryObserveMember = (o, listener) =>
                {
                    eventListener = listener;
                    return(null);
                }
            };
            var managerMock = new VisualTreeManagerMock
            {
                FindParent      = o => null,
                GetParentMember = type =>
                {
                    type.ShouldEqual(context.GetType());
                    return(memberMock);
                }
            };

            var manager        = CreateContextManager(managerMock);
            var bindingContext = manager.GetBindingContext(context);

            bindingContext.ValueChanged += (sender, args) => contextChanged = true;
            eventListener.ShouldNotBeNull();
            eventListener.Handle(this, EventArgs.Empty);
            contextChanged.ShouldBeTrue();
        }
Example #3
0
        public void ManagerShouldRaiseEventWhenDataContextChangedNotExplicit()
        {
            bool contextChanged = false;
            var  context        = new object();
            var  managerMock    = new VisualTreeManagerMock
            {
                FindParent      = o => null,
                GetParentMember = type => null
            };

            var manager        = CreateContextManager(managerMock);
            var bindingContext = manager.GetBindingContext(context);

            bindingContext.ValueChanged += (sender, args) => contextChanged = true;
            bindingContext.Value         = context;
            contextChanged.ShouldBeTrue();
        }
Example #4
0
        public void ManagerShouldNotUpdateContextWhenParentChangedIfHasValue()
        {
            bool           isFindParentInvoked = false;
            var            context             = new object();
            IEventListener eventListener       = null;
            var            memberMock          = new BindingMemberInfoMock
            {
                TryObserveMember = (o, listener) =>
                {
                    eventListener = listener;
                    return(null);
                }
            };
            var managerMock = new VisualTreeManagerMock
            {
                FindParent = o =>
                {
                    o.ShouldEqual(context);
                    isFindParentInvoked = true;
                    return(null);
                },
                GetParentMember = type =>
                {
                    type.ShouldEqual(context.GetType());
                    return(memberMock);
                }
            };

            var manager        = CreateContextManager(managerMock);
            var bindingContext = manager.GetBindingContext(context);

            isFindParentInvoked.ShouldBeTrue();
            bindingContext.Value.ShouldBeNull();

            isFindParentInvoked  = false;
            bindingContext.Value = context;
            eventListener.ShouldNotBeNull();
            eventListener.Handle(this, EventArgs.Empty);
            isFindParentInvoked.ShouldBeFalse();
        }
Example #5
0
        public void ManagerShouldUseParentBindingContextIfItHasNotExplicit()
        {
            bool isFindParentInvoked    = false;
            bool isObserveParentInvoked = false;
            var  context = new object();

            var memberMock = new BindingMemberInfoMock
            {
                TryObserveMember = (o, listener) =>
                {
                    o.ShouldEqual(context);
                    isObserveParentInvoked = true;
                    return(null);
                }
            };
            var managerMock = new VisualTreeManagerMock
            {
                FindParent = o =>
                {
                    o.ShouldEqual(context);
                    isFindParentInvoked = true;
                    return(null);
                },
                GetParentMember = type =>
                {
                    type.ShouldEqual(context.GetType());
                    return(memberMock);
                }
            };

            var manager        = CreateContextManager(managerMock);
            var bindingContext = manager.GetBindingContext(context);

            isFindParentInvoked.ShouldBeTrue();
            isObserveParentInvoked.ShouldBeTrue();
            bindingContext.Value.ShouldBeNull();
        }
Example #6
0
        public void ResolverShouldResolveRootMember()
        {
            string name = BindingServiceProvider.ResourceResolver.RootElementResourceName;
            var    visualTreeManagerMock = new VisualTreeManagerMock();

            BindingServiceProvider.VisualTreeManager = visualTreeManagerMock;
            var rootMember = AttachedBindingMember.CreateAutoProperty <object, object>(name);

            visualTreeManagerMock.GetRootMember = type => rootMember;
            var target = new object();

            var dataContext = new DataContext
            {
                { BindingBuilderConstants.Target, target }
            };

            var resolver = CreateBindingResourceResolver();
            var value    = resolver.ResolveObject(name, dataContext, false);

            value.Value.ShouldBeNull();

            rootMember.SetValue(target, target);
            value.Value.ShouldEqual(target);
        }