[Blazor][Wasm] Add missing state callbacks (#19405)

* Adds missing callback when logging in and logging out successfully

src/Components/WebAssembly/WebAssembly.Authentication/src/RemoteAuthenticatorViewCore.cs

@@ -74,6 +74,16 @@ namespace Microsoft.AspNetCore.Components.WebAssembly.Authentication
         /// </summary>
         [Parameter] public RenderFragment LogOutSucceeded { get; set; } = DefaultLoggedOutFragment;
 
+        /// <summary>
+        /// Gets or sets an event callback that will be invoked with the stored authentication state when a log in operation succeeds.
+        /// </summary>
+        [Parameter] public EventCallback<TAuthenticationState> OnLogInSucceeded { get; set; }
+
+        /// <summary>
+        /// Gets or sets an event callback that will be invoked with the stored authentication state when a log out operation succeeds.
+        /// </summary>
+        [Parameter] public EventCallback<TAuthenticationState> OnLogOutSucceeded { get; set; }
+
         /// <summary>
         /// Gets or sets the <see cref="IJSRuntime"/> to use for performin JavaScript interop.
         /// </summary>
@@ -242,6 +252,10 @@ namespace Microsoft.AspNetCore.Components.WebAssembly.Authentication
                     // is when we are doing a redirect sign in flow.
                     throw new InvalidOperationException("Should not redirect.");
                 case RemoteAuthenticationStatus.Success:
+                    if (OnLogInSucceeded.HasDelegate)
+                    {
+                        await OnLogInSucceeded.InvokeAsync(result.State);
+                    }
                     await NavigateToReturnUrl(GetReturnUrl(result.State));
                     break;
                 case RemoteAuthenticationStatus.OperationCompleted:
@@ -305,6 +319,10 @@ namespace Microsoft.AspNetCore.Components.WebAssembly.Authentication
                     // is when we are doing a redirect sign in flow.
                     throw new InvalidOperationException("Should not redirect.");
                 case RemoteAuthenticationStatus.Success:
+                    if (OnLogOutSucceeded.HasDelegate)
+                    {
+                        await OnLogOutSucceeded.InvokeAsync(result.State);
+                    }
                     await NavigateToReturnUrl(GetReturnUrl(result.State, Navigation.ToAbsoluteUri(ApplicationPaths.LogOutSucceededPath).ToString()));
                     break;
                 case RemoteAuthenticationStatus.OperationCompleted:

src/Components/WebAssembly/WebAssembly.Authentication/test/RemoteAuthenticatorCoreTests.cs

@@ -21,6 +21,8 @@ namespace Microsoft.AspNetCore.Components.WebAssembly.Authentication
     public class RemoteAuthenticatorCoreTests
     {
         private const string _action = nameof(RemoteAuthenticatorViewCore<RemoteAuthenticationState>.Action);
+        private const string _onLogInSucceded = nameof(RemoteAuthenticatorViewCore<RemoteAuthenticationState>.OnLogInSucceeded);        
+        private const string _onLogOutSucceeded = nameof(RemoteAuthenticatorViewCore<RemoteAuthenticationState>.OnLogOutSucceeded);        
 
         [Fact]
         public async Task AuthenticationManager_Throws_ForInvalidAction()
@@ -183,9 +185,14 @@ namespace Microsoft.AspNetCore.Components.WebAssembly.Authentication
                 State = remoteAuthenticator.AuthenticationState
             });
 
+            var loggingSucceededCalled = false;
+
             var parameters = ParameterView.FromDictionary(new Dictionary<string, object>
             {
-                [_action] = RemoteAuthenticationActions.LogInCallback
+                [_action] = RemoteAuthenticationActions.LogInCallback,
+                [_onLogInSucceded] = new EventCallbackFactory().Create< RemoteAuthenticationState>(
+                    remoteAuthenticator,
+                    (state) => loggingSucceededCalled = true),
             });
 
             // Act
@@ -193,6 +200,7 @@ namespace Microsoft.AspNetCore.Components.WebAssembly.Authentication
 
             // Assert
             Assert.Equal(fetchDataUrl, jsRuntime.LastInvocation.args[0]);
+            Assert.True(loggingSucceededCalled);
 
         }
 
@@ -431,9 +439,14 @@ namespace Microsoft.AspNetCore.Components.WebAssembly.Authentication
                 State = remoteAuthenticator.AuthenticationState
             });
 
+            var loggingOutSucceededCalled = false;
             var parameters = ParameterView.FromDictionary(new Dictionary<string, object>
             {
-                [_action] = RemoteAuthenticationActions.LogOutCallback
+                [_action] = RemoteAuthenticationActions.LogOutCallback,
+                [_onLogOutSucceeded] = new EventCallbackFactory().Create<RemoteAuthenticationState>(
+                    remoteAuthenticator,
+                    (state) => loggingOutSucceededCalled = true),
+
             });
 
             // Act
@@ -441,6 +454,7 @@ namespace Microsoft.AspNetCore.Components.WebAssembly.Authentication
 
             // Assert
             Assert.Equal(fetchDataUrl, jsRuntime.LastInvocation.args[0]);
+            Assert.True(loggingOutSucceededCalled);
 
         }