Increase coverage with identity and filter tests

GameList.Tests/IdentityTests.cs

@@ -0,0 +1,69 @@
+using System.Security.Claims;
+using GameList.Domain;
+using GameList.Infrastructure;
+using GameList.Tests.Support;
+using Microsoft.AspNetCore.Http;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.AspNetCore.Authentication.Cookies;
+using Microsoft.Extensions.DependencyInjection.Extensions;
+
+namespace GameList.Tests;
+
+public class IdentityTests
+{
+    [Fact]
+    public async Task Sign_in_sets_claims_and_cookie()
+    {
+        using var factory = new TestWebApplicationFactory();
+        var ctx = BuildAuthContext(factory.Services);
+
+        var player = new Player
+        {
+            Id = Guid.NewGuid(),
+            Username = "claimuser",
+            NormalizedUsername = "claimuser",
+            PasswordHash = new byte[] { 1 },
+            PasswordSalt = new byte[] { 1 },
+            DisplayName = "Claim",
+            IsAdmin = true
+        };
+
+        await PlayerIdentityExtensions.SignInPlayerAsync(ctx, player);
+
+        var cookies = ctx.Response.Headers["Set-Cookie"];
+        Assert.NotNull(cookies);
+        Assert.Contains(cookies!, v => v.Contains(PlayerIdentityExtensions.PlayerCookieName));
+    }
+
+    [Fact]
+    public async Task Sign_out_clears_principal()
+    {
+        using var factory = new TestWebApplicationFactory();
+        var ctx = BuildAuthContext(factory.Services);
+        var player = new Player();
+        await PlayerIdentityExtensions.SignInPlayerAsync(ctx, player);
+
+        await PlayerIdentityExtensions.SignOutPlayerAsync(ctx);
+
+        Assert.False(ctx.User.Identity?.IsAuthenticated ?? false);
+    }
+
+    private static DefaultHttpContext BuildAuthContext(IServiceProvider services)
+    {
+        var serviceCollection = new ServiceCollection();
+        serviceCollection.AddSingleton<IHttpContextAccessor, HttpContextAccessor>();
+        serviceCollection.AddAuthentication(CookieAuthenticationDefaults.AuthenticationScheme)
+            .AddCookie(options =>
+            {
+                options.Cookie.Name = PlayerIdentityExtensions.PlayerCookieName;
+            });
+        serviceCollection.AddLogging();
+        var provider = serviceCollection.BuildServiceProvider();
+
+        return new DefaultHttpContext
+        {
+            RequestServices = provider,
+            Response = { Body = new MemoryStream() }
+        };
+    }
+}