Split integration tests from unit tests

tests/Jellyfin.Server.Integration.Tests/Controllers/BrandingControllerTests.cs

@@ -0,0 +1,53 @@
+using System.Net.Mime;
+using System.Text;
+using System.Text.Json;
+using System.Threading.Tasks;
+using MediaBrowser.Model.Branding;
+using Xunit;
+
+namespace Jellyfin.Server.Integration.Tests
+{
+    public sealed class BrandingControllerTests : IClassFixture<JellyfinApplicationFactory>
+    {
+        private readonly JellyfinApplicationFactory _factory;
+
+        public BrandingControllerTests(JellyfinApplicationFactory factory)
+        {
+            _factory = factory;
+        }
+
+        [Fact]
+        public async Task GetConfiguration_ReturnsCorrectResponse()
+        {
+            // Arrange
+            var client = _factory.CreateClient();
+
+            // Act
+            var response = await client.GetAsync("/Branding/Configuration");
+
+            // Assert
+            Assert.True(response.IsSuccessStatusCode);
+            Assert.Equal(MediaTypeNames.Application.Json, response.Content.Headers.ContentType?.MediaType);
+            Assert.Equal(Encoding.UTF8.BodyName, response.Content.Headers.ContentType?.CharSet);
+            var responseBody = await response.Content.ReadAsStreamAsync();
+            _ = await JsonSerializer.DeserializeAsync<BrandingOptions>(responseBody);
+        }
+
+        [Theory]
+        [InlineData("/Branding/Css")]
+        [InlineData("/Branding/Css.css")]
+        public async Task GetCss_ReturnsCorrectResponse(string url)
+        {
+            // Arrange
+            var client = _factory.CreateClient();
+
+            // Act
+            var response = await client.GetAsync(url);
+
+            // Assert
+            Assert.True(response.IsSuccessStatusCode);
+            Assert.Equal("text/css", response.Content.Headers.ContentType?.MediaType);
+            Assert.Equal(Encoding.UTF8.BodyName, response.Content.Headers.ContentType?.CharSet);
+        }
+    }
+}