Add E2E test pages for conditional component rendering to test persistent state restoration

Co-authored-by: javiercn <6995051+javiercn@users.noreply.github.com>

Author: Copilot

src/Components/Components/test/PersistentValueProviderComponentSubscriptionTests.cs

@@ -708,158 +708,4 @@ public void Constructor_WorksCorrectly_ForPublicProperty()
         Assert.NotNull(subscription);
         subscription.Dispose();
     }
-
-    [Fact]
-    public async Task ComponentRecreation_PreservesPersistedState_WhenComponentIsRecreatedDuringNavigation()
-    {
-        // This test simulates the scenario where a component is destroyed and recreated (like during navigation)
-        // and verifies that the persisted state is correctly restored in the new component instance
-        
-        // Arrange
-        var appState = new Dictionary<string, byte[]>();
-        var manager = new ComponentStatePersistenceManager(NullLogger<ComponentStatePersistenceManager>.Instance);
-        var serviceProvider = PersistentStateProviderServiceCollectionExtensions.AddSupplyValueFromPersistentComponentStateProvider(new ServiceCollection())
-            .AddSingleton(manager)
-            .AddSingleton(manager.State)
-            .AddFakeLogging()
-            .BuildServiceProvider();
-        var renderer = new TestRenderer(serviceProvider);
-        var provider = (PersistentStateValueProvider)renderer.ServiceProviderCascadingValueSuppliers.Single();
-        var cascadingParameterInfo = CreateCascadingParameterInfo(nameof(TestComponent.State), typeof(string));
-
-        // Setup initial persisted state
-        var component1 = new TestComponent { State = "initial-property-value" };
-        var componentId1 = renderer.AssignRootComponentId(component1);
-        var componentState1 = renderer.GetComponentState(component1);
-        var key = PersistentStateValueProviderKeyResolver.ComputeKey(componentState1, nameof(TestComponent.State));
-        
-        appState[key] = JsonSerializer.SerializeToUtf8Bytes("persisted-value-from-previous-session", JsonSerializerOptions.Web);
-        await manager.RestoreStateAsync(new TestStore(appState), RestoreContext.InitialValue);
-
-        // Act & Assert - First component instance should get the persisted value
-        await renderer.Dispatcher.InvokeAsync(() => renderer.RenderRootComponentAsync(componentId1, ParameterView.Empty));
-        Assert.Equal("persisted-value-from-previous-session", component1.State);
-
-        // Simulate component destruction (like during navigation away)
-        renderer.RemoveRootComponent(componentId1);
-
-        // Simulate component recreation (like during navigation back) - NEW SUBSCRIPTION CREATED
-        var component2 = new TestComponent { State = "new-component-initial-value" };
-        var componentId2 = renderer.AssignRootComponentId(component2);
-        var componentState2 = renderer.GetComponentState(component2);
-
-        // Verify the key is the same (important for components without @key)
-        var key2 = PersistentStateValueProviderKeyResolver.ComputeKey(componentState2, nameof(TestComponent.State));
-        Assert.Equal(key, key2);
-
-        // The state should still be available for restoration
-        await renderer.Dispatcher.InvokeAsync(() => renderer.RenderRootComponentAsync(componentId2, ParameterView.Empty));
-        
-        // Assert - The new component instance should get the same persisted value
-        Assert.Equal("persisted-value-from-previous-session", component2.State);
-    }
-
-    [Fact]
-    public async Task ComponentRecreation_WithStateUpdates_PreservesCorrectValueTransitionSequence()
-    {
-        // This test simulates the full lifecycle with component recreation and state updates
-        // following the pattern from GetOrComputeLastValue_FollowsCorrectValueTransitionSequence
-        // but with subscription recreation between state restorations
-        
-        // Arrange
-        var appState = new Dictionary<string, byte[]>();
-        var manager = new ComponentStatePersistenceManager(NullLogger<ComponentStatePersistenceManager>.Instance);
-        var serviceProvider = PersistentStateProviderServiceCollectionExtensions.AddSupplyValueFromPersistentComponentStateProvider(new ServiceCollection())
-            .AddSingleton(manager)
-            .AddSingleton(manager.State)
-            .AddFakeLogging()
-            .BuildServiceProvider();
-        var renderer = new TestRenderer(serviceProvider);
-        var provider = (PersistentStateValueProvider)renderer.ServiceProviderCascadingValueSuppliers.Single();
-        var cascadingParameterInfo = CreateCascadingParameterInfo(nameof(TestComponent.State), typeof(string));
-
-        // First component lifecycle
-        var component1 = new TestComponent { State = "initial-property-value" };
-        var componentId1 = renderer.AssignRootComponentId(component1);
-        var componentState1 = renderer.GetComponentState(component1);
-        var key = PersistentStateValueProviderKeyResolver.ComputeKey(componentState1, nameof(TestComponent.State));
-
-        // Pre-populate with first persisted value
-        appState[key] = JsonSerializer.SerializeToUtf8Bytes("first-restored-value", JsonSerializerOptions.Web);
-        await manager.RestoreStateAsync(new TestStore(appState), RestoreContext.InitialValue);
-
-        await renderer.Dispatcher.InvokeAsync(() => renderer.RenderRootComponentAsync(componentId1, ParameterView.Empty));
-        
-        // Act & Assert - First component gets restored value
-        Assert.Equal("first-restored-value", component1.State);
-
-        // Update component property
-        component1.State = "updated-by-component-1";
-        Assert.Equal("updated-by-component-1", provider.GetCurrentValue(componentState1, cascadingParameterInfo));
-
-        // Simulate component destruction and recreation (NEW SUBSCRIPTION CREATED)
-        renderer.RemoveRootComponent(componentId1);
-        
-        var component2 = new TestComponent { State = "new-component-initial-value" };
-        var componentId2 = renderer.AssignRootComponentId(component2);
-        var componentState2 = renderer.GetComponentState(component2);
-
-        // Restore state with a different value
-        appState.Clear();
-        appState[key] = JsonSerializer.SerializeToUtf8Bytes("second-restored-value", JsonSerializerOptions.Web);
-        await manager.RestoreStateAsync(new TestStore(appState), RestoreContext.ValueUpdate);
-
-        await renderer.Dispatcher.InvokeAsync(() => renderer.RenderRootComponentAsync(componentId2, ParameterView.Empty));
-        
-        // Assert - New component gets the updated restored value
-        Assert.Equal("second-restored-value", component2.State);
-
-        // Continue with property updates on the new component
-        component2.State = "updated-by-component-2";
-        Assert.Equal("updated-by-component-2", provider.GetCurrentValue(componentState2, cascadingParameterInfo));
-    }
-
-    [Fact]
-    public async Task ComponentRecreation_WithSkipNotifications_StillRestoresCorrectly()
-    {
-        // This test verifies that the fix works even when skipNotifications is true during component recreation,
-        // which is the core scenario that was broken before our fix
-        
-        // Arrange  
-        var appState = new Dictionary<string, byte[]>();
-        var manager = new ComponentStatePersistenceManager(NullLogger<ComponentStatePersistenceManager>.Instance);
-        var serviceProvider = PersistentStateProviderServiceCollectionExtensions.AddSupplyValueFromPersistentComponentStateProvider(new ServiceCollection())
-            .AddSingleton(manager)
-            .AddSingleton(manager.State)
-            .AddFakeLogging()
-            .BuildServiceProvider();
-        var renderer = new TestRenderer(serviceProvider);
-        var cascadingParameterInfo = CreateCascadingParameterInfo(nameof(TestComponent.State), typeof(string));
-
-        // Setup persisted state
-        var component1 = new TestComponent { State = "component-initial-value" };
-        var componentId1 = renderer.AssignRootComponentId(component1);
-        var componentState1 = renderer.GetComponentState(component1);
-        var key = PersistentStateValueProviderKeyResolver.ComputeKey(componentState1, nameof(TestComponent.State));
-        
-        appState[key] = JsonSerializer.SerializeToUtf8Bytes("persisted-value", JsonSerializerOptions.Web);
-        await manager.RestoreStateAsync(new TestStore(appState), RestoreContext.InitialValue);
-
-        // First component gets the persisted value
-        await renderer.Dispatcher.InvokeAsync(() => renderer.RenderRootComponentAsync(componentId1, ParameterView.Empty));
-        Assert.Equal("persisted-value", component1.State);
-
-        // Destroy and recreate component (simulating navigation or component without @key)
-        renderer.RemoveRootComponent(componentId1);
-        
-        // Create new component instance - this will create a NEW SUBSCRIPTION
-        var component2 = new TestComponent { State = "different-initial-value" };
-        var componentId2 = renderer.AssignRootComponentId(component2);
-        
-        // Render the new component - this should restore the persisted value even if skipNotifications is true
-        await renderer.Dispatcher.InvokeAsync(() => renderer.RenderRootComponentAsync(componentId2, ParameterView.Empty));
-        
-        // Assert - The new component should get the persisted value, not its initial property value
-        Assert.Equal("persisted-value", component2.State);
-    }
 }