Forgot unversioned xd

SVSim.UnitTests/Repositories/ViewerRepositoryTests.cs

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+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.DependencyInjection;
+using SVSim.Database;
+using SVSim.Database.Enums;
+using SVSim.Database.Models;
+using SVSim.Database.Repositories.Viewer;
+using SVSim.UnitTests.Infrastructure;
+
+namespace SVSim.UnitTests.Repositories;
+
+/// <summary>
+/// Direct tests against <see cref="ViewerRepository"/>. The owned-type lookup in
+/// <see cref="ViewerRepository.GetViewerBySocialConnection"/> previously used
+/// <c>_dbContext.Set&lt;SocialAccountConnection&gt;()</c> which EF couldn't translate (owned
+/// types aren't queryable as a root). This test would have caught the regression.
+/// </summary>
+public class ViewerRepositoryTests
+{
+    [Test]
+    public async Task GetViewerBySocialConnection_returns_viewer_when_steam_id_matches()
+    {
+        using var factory = new SVSimTestFactory();
+        const ulong steamId = 76_561_198_111_222_333UL;
+
+        long expectedViewerId = await factory.SeedViewerAsync(steamId: steamId, displayName: "Owner");
+
+        using var scope = factory.Services.CreateScope();
+        var repo = scope.ServiceProvider.GetRequiredService<IViewerRepository>();
+
+        Viewer? found = await repo.GetViewerBySocialConnection(SocialAccountType.Steam, steamId);
+
+        Assert.That(found, Is.Not.Null, "Expected to find the seeded viewer by Steam social connection.");
+        Assert.That(found!.Id, Is.EqualTo(expectedViewerId));
+        Assert.That(found.DisplayName, Is.EqualTo("Owner"));
+    }
+
+    [Test]
+    public async Task GetViewerBySocialConnection_returns_null_when_steam_id_does_not_match()
+    {
+        using var factory = new SVSimTestFactory();
+        await factory.SeedViewerAsync(steamId: 76_561_198_111_222_333UL);
+
+        using var scope = factory.Services.CreateScope();
+        var repo = scope.ServiceProvider.GetRequiredService<IViewerRepository>();
+
+        Viewer? found = await repo.GetViewerBySocialConnection(SocialAccountType.Steam, 76_561_198_999_999_999UL);
+
+        Assert.That(found, Is.Null);
+    }
+
+    [Test]
+    public async Task RegisterViewer_grants_default_leader_skins_to_classes()
+    {
+        // Guards the just-fixed nav-graph NRE — RegisterViewer iterates ClassEntry.LeaderSkins
+        // and needs the .Include to populate them. If the include is lost, this throws inside
+        // SeedViewerAsync rather than reaching the assertion.
+        using var factory = new SVSimTestFactory();
+        long viewerId = await factory.SeedViewerAsync();
+
+        using var scope = factory.Services.CreateScope();
+        var db = scope.ServiceProvider.GetRequiredService<SVSimDbContext>();
+
+        Viewer viewer = await db.Viewers
+            .Include(v => v.Classes).ThenInclude(c => c.LeaderSkin)
+            .Include(v => v.LeaderSkins)
+            .FirstAsync(v => v.Id == viewerId);
+
+        Assert.That(viewer.Classes, Is.Not.Empty, "RegisterViewer should populate Classes from seed data.");
+        Assert.That(viewer.Classes.Select(c => c.LeaderSkin).All(s => s is not null), Is.True,
+            "Every class should have a LeaderSkin assigned (placeholder or real).");
+        Assert.That(viewer.LeaderSkins, Is.Not.Empty,
+            "Viewer should own at least one leader skin from class defaults.");
+    }
+}