perf(centralui): load template stubs/analysis projections instead of the full tracked graph (review 2026-10-21 07/P-1, 08/P1)

2026-10-22 08:40:49 -04:00
parent 0ebfafa98b
commit c429fb374b
12 changed files with 103 additions and 28 deletions
@@ -0,0 +1,41 @@
+using System.Security.Claims;
+using Bunit;
+using Microsoft.AspNetCore.Components.Authorization;
+using Microsoft.Extensions.DependencyInjection;
+using NSubstitute;
+using ZB.MOM.WW.ScadaBridge.Commons.Entities.Sites;
+using ZB.MOM.WW.ScadaBridge.Commons.Interfaces.Repositories;
+using ZB.MOM.WW.ScadaBridge.Commons.Interfaces.Security;
+using ZB.MOM.WW.ScadaBridge.Commons.Types.Templates;
+using Dashboard = ZB.MOM.WW.ScadaBridge.CentralUI.Components.Pages.Dashboard;
+
+namespace ZB.MOM.WW.ScadaBridge.CentralUI.Tests.Pages;
+
+/// <summary>Review 2026-10-21 07/P-1: the landing page must not load the full tracked template graph just to count.</summary>
+public class TemplateListLoadTests : BunitContext
+{
+    /// <summary>The Dashboard counts templates from stubs, never the full graph.</summary>
+    /// <returns>A task that represents the asynchronous operation.</returns>
+    [Fact]
+    public async Task Dashboard_CountsTemplatesFromStubs_NotFullGraph()
+    {
+        var repo = Substitute.For<ITemplateEngineRepository>();
+        repo.GetTemplateStubsAsync(Arg.Any<CancellationToken>()).Returns(Task.FromResult<IReadOnlyList<TemplateStub>>(
+            new List<TemplateStub> { new(1, "A", null, null, false, null), new(2, "B", null, null, false, null) }));
+        var sites = Substitute.For<ISiteRepository>();
+        sites.GetAllSitesAsync().Returns(new List<Site>());
+        sites.GetAllDataConnectionsAsync().Returns(new List<DataConnection>());
+        var keys = Substitute.For<IInboundApiKeyAdmin>();
+        Services.AddSingleton(repo);
+        Services.AddSingleton(sites);
+        Services.AddSingleton(keys);
+        Services.AddSingleton(Substitute.For<AuthenticationStateProvider>());
+        AddAuthorization();
+
+        var cut = Render<Dashboard>();
+        await cut.WaitForStateAsync(() => cut.Markup.Contains("Templates"));
+
+        await repo.Received(1).GetTemplateStubsAsync(Arg.Any<CancellationToken>());
+        await repo.DidNotReceive().GetAllTemplatesAsync(Arg.Any<CancellationToken>());
+    }
+}