Add test for RobotsRedirectionMiddleware

tests/Jellyfin.Server.Integration.Tests/JellyfinApplicationFactory.cs

@@ -44,10 +44,7 @@ namespace Jellyfin.Server.Integration.Tests
         protected override void ConfigureWebHost(IWebHostBuilder builder)
         {
             // Specify the startup command line options
-            var commandLineOpts = new StartupOptions
-            {
-                NoWebClient = true
-            };
+            var commandLineOpts = new StartupOptions();
 
             // Use a temporary directory for the application paths
             var webHostPathRoot = Path.Combine(_testPathRoot, "test-host-" + Path.GetFileNameWithoutExtension(Path.GetRandomFileName()));

tests/Jellyfin.Server.Integration.Tests/Middleware/RobotsRedirectionMiddlewareTests.cs

@@ -0,0 +1,32 @@
+using System.Net;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Mvc.Testing;
+using Xunit;
+
+namespace Jellyfin.Server.Integration.Tests.Middleware
+{
+    public sealed class RobotsRedirectionMiddlewareTests : IClassFixture<JellyfinApplicationFactory>
+    {
+        private readonly JellyfinApplicationFactory _factory;
+
+        public RobotsRedirectionMiddlewareTests(JellyfinApplicationFactory factory)
+        {
+            _factory = factory;
+        }
+
+        [Fact]
+        public async Task RobotsDotTxtRedirects()
+        {
+            var client = _factory.CreateClient(
+                new WebApplicationFactoryClientOptions()
+                {
+                    AllowAutoRedirect = false
+                });
+
+            var response = await client.GetAsync("robots.txt").ConfigureAwait(false);
+
+            Assert.Equal(HttpStatusCode.Redirect, response.StatusCode);
+            Assert.Equal("web/robots.txt", response.Headers.Location?.ToString());
+        }
+    }
+}