Пример #1
0
        public void ConnectAndDisconnectFireAppropriateNumberOfTimes()
        {
            HandlerStub handlerStub = new HandlerStub();

            handlerStub.SetVirtualView(new Maui.Controls.Button());

            Assert.Equal(1, handlerStub.ConnectHandlerCount);
            Assert.Equal(0, handlerStub.DisconnectHandlerCount);

            handlerStub.SetVirtualView(new Maui.Controls.Button());
            handlerStub.SetVirtualView(new Maui.Controls.Button());
            handlerStub.SetVirtualView(new Maui.Controls.Button());
            Assert.Equal(1, handlerStub.ConnectHandlerCount);
            Assert.Equal(0, handlerStub.DisconnectHandlerCount);

            (handlerStub as IViewHandler).DisconnectHandler();
            Assert.Equal(1, handlerStub.ConnectHandlerCount);
            Assert.Equal(1, handlerStub.DisconnectHandlerCount);

            (handlerStub as IViewHandler).DisconnectHandler();
            Assert.Equal(1, handlerStub.ConnectHandlerCount);
            Assert.Equal(1, handlerStub.DisconnectHandlerCount);


            handlerStub.SetVirtualView(new Maui.Controls.Button());
            Assert.Equal(2, handlerStub.ConnectHandlerCount);
            Assert.Equal(1, handlerStub.DisconnectHandlerCount);
            (handlerStub as IViewHandler).DisconnectHandler();
            Assert.Equal(2, handlerStub.ConnectHandlerCount);
            Assert.Equal(2, handlerStub.DisconnectHandlerCount);
        }
Пример #2
0
        public void CanUseFactoryForAlternateType()
        {
            HandlerStub.PlatformViewFactory = (h) => { return(new CustomNativeButton()); };

            HandlerStub handlerStub = new HandlerStub();

            handlerStub.SetVirtualView(new Maui.Controls.Button());

            Assert.True(handlerStub.PlatformView is CustomNativeButton);
        }
Пример #3
0
        public void SettingVirtualViewOnHandlerRemovesHandlerFromPreviousVirtualView()
        {
            HandlerStub handlerStub = new HandlerStub();
            var         button1     = new Maui.Controls.Button();
            var         button2     = new Maui.Controls.Button();

            handlerStub.SetVirtualView(button1);
            handlerStub.SetVirtualView(button2);

            Assert.Null(button1.Handler);
        }
Пример #4
0
        public void GetRequiredServiceThrowsOnNoContext()
        {
            HandlerStub handlerStub = new HandlerStub();

            Assert.Null((handlerStub as IViewHandler).MauiContext);

            var ex = Assert.Throws <InvalidOperationException>(() => handlerStub.GetRequiredService <IFooService>());

            Assert.Contains("the context", ex.Message);
            Assert.Contains("MauiContext", ex.Message);
        }
Пример #5
0
        public void FactoryCanPuntAndUseOriginalType()
        {
            HandlerStub.PlatformViewFactory = (h) => { return(null); };

            HandlerStub handlerStub = new HandlerStub();

            handlerStub.SetVirtualView(new Maui.Controls.Button());

            Assert.NotNull(handlerStub.PlatformView);
            Assert.False(handlerStub.PlatformView is CustomNativeButton);
            Assert.True(handlerStub.PlatformView is object);
        }
Пример #6
0
        public void GetRequiredServiceThrowsOnNoServices()
        {
            HandlerStub handlerStub = new HandlerStub();

            handlerStub.SetMauiContext(new InvalidHandlersContextStub());

            Assert.NotNull(handlerStub.MauiContext);
            Assert.Null(handlerStub.MauiContext.Services);

            var ex = Assert.Throws <InvalidOperationException>(() => handlerStub.GetRequiredService <IFooService>());

            Assert.Contains("the service provider", ex.Message);
            Assert.Contains("MauiContext", ex.Message);
        }
Пример #7
0
        public void GetRequiredServiceRetrievesService()
        {
            HandlerStub handlerStub = new HandlerStub();

            var collection = new MauiServiceCollection();

            collection.TryAddSingleton <IMauiHandlersFactory>(new MauiHandlersFactory(null));
            collection.TryAddSingleton <IFooService, FooService>();

            var provider = new MauiFactory(collection);

            handlerStub.SetMauiContext(new HandlersContextStub(provider));

            Assert.NotNull(handlerStub.MauiContext);
            Assert.NotNull(handlerStub.MauiContext.Services);

            var foo = handlerStub.GetRequiredService <IFooService>();

            Assert.IsType <FooService>(foo);
        }
Пример #8
0
        public void ChainingToLessTypedParentWorks()
        {
            bool wasMapper1Called = false;
            bool wasMapper2Called = false;
            var  mapper1          = new PropertyMapper <IView, HandlerStub>
            {
                [nameof(IView.Background)] = (r, v) => wasMapper1Called = true
            };


            var mapper2 = new PropertyMapper <Button, HandlerStub>(mapper1)
            {
                [nameof(IView.Background)] = (r, v) => wasMapper2Called = true
            };

            HandlerStub handlerStub = new HandlerStub(mapper2);

            handlerStub.SetVirtualView(new ButtonStub());
            handlerStub.UpdateValue(nameof(IView.Background));

            Assert.True(wasMapper1Called);
            Assert.False(wasMapper2Called);
        }
Пример #9
0
        public void FactoryCanCustomizeBasedOnVirtualView()
        {
            HandlerStub.PlatformViewFactory = (h) =>
            {
                if (h.VirtualView is CustomButton)
                {
                    return(new CustomNativeButton());
                }

                return(null);
            };

            HandlerStub handlerStub = new HandlerStub();

            handlerStub.SetVirtualView(new CustomButton());

            Assert.True(handlerStub.PlatformView is CustomNativeButton);

            HandlerStub handlerStub2 = new HandlerStub();

            handlerStub2.SetVirtualView(new Maui.Controls.Button());

            Assert.True(handlerStub2.PlatformView is object);
        }