feat(central-ui): standalone Notification Lists page

tests/ScadaLink.CentralUI.Tests/Pages/NotificationListsPageTests.cs

@@ -0,0 +1,76 @@
+using System.Security.Claims;
+using Bunit;
+using Microsoft.AspNetCore.Components.Authorization;
+using Microsoft.Extensions.DependencyInjection;
+using NSubstitute;
+using ScadaLink.CentralUI.Components.Shared;
+using ScadaLink.Commons.Entities.Notifications;
+using ScadaLink.Commons.Interfaces.Repositories;
+using NotificationListsPage = ScadaLink.CentralUI.Components.Pages.Notifications.NotificationLists;
+
+namespace ScadaLink.CentralUI.Tests.Pages;
+
+/// <summary>
+/// bUnit rendering tests for the standalone Notification Lists page (Task 7).
+/// </summary>
+public class NotificationListsPageTests : BunitContext
+{
+    private void WireAuthAndDialog()
+    {
+        Services.AddSingleton<IDialogService>(new AlwaysConfirmDialogService());
+
+        var claims = new[]
+        {
+            new Claim("Username", "tester"),
+            new Claim(ClaimTypes.Role, "Design"),
+        };
+        var user = new ClaimsPrincipal(new ClaimsIdentity(claims, "TestAuth"));
+        Services.AddSingleton<AuthenticationStateProvider>(new TestAuthStateProvider(user));
+        Services.AddAuthorizationCore();
+    }
+
+    [Fact]
+    public void RendersNotificationListRows()
+    {
+        var repo = Substitute.For<INotificationRepository>();
+        repo.GetAllNotificationListsAsync()
+            .Returns(Task.FromResult<IReadOnlyList<NotificationList>>(
+                new List<NotificationList> { new("Ops On-Call") { Id = 1 } }));
+        repo.GetRecipientsByListIdAsync(1)
+            .Returns(Task.FromResult<IReadOnlyList<NotificationRecipient>>(
+                new List<NotificationRecipient> { new("Jane", "jane@example.com") }));
+        Services.AddSingleton(repo);
+        WireAuthAndDialog();
+
+        var cut = Render<NotificationListsPage>();
+
+        Assert.Contains("Ops On-Call", cut.Markup);
+        Assert.Contains("jane@example.com", cut.Markup);
+    }
+
+    [Fact]
+    public void ShowsEmptyState_WhenNoLists()
+    {
+        var repo = Substitute.For<INotificationRepository>();
+        repo.GetAllNotificationListsAsync()
+            .Returns(Task.FromResult<IReadOnlyList<NotificationList>>(
+                new List<NotificationList>()));
+        Services.AddSingleton(repo);
+        WireAuthAndDialog();
+
+        var cut = Render<NotificationListsPage>();
+
+        Assert.Contains("No notification lists", cut.Markup);
+    }
+
+    /// <summary>A dialog service that auto-confirms, so action paths run end-to-end.</summary>
+    private sealed class AlwaysConfirmDialogService : IDialogService
+    {
+        public Task<bool> ConfirmAsync(string title, string message, bool danger = false)
+            => Task.FromResult(true);
+
+        public Task<string?> PromptAsync(
+            string title, string label, string initialValue = "", string? placeholder = null)
+            => Task.FromResult<string?>(null);
+    }
+}