Minor improvements

* Removed some allocations
* Removed some useless abstractions

1 files changed, 29 insertions, 26 deletions

diff --git a/tests/Jellyfin.Providers.Tests/Manager/ItemImageProviderTests.cs b/tests/Jellyfin.Providers.Tests/Manager/ItemImageProviderTests.cs
index 6d65ba2d7..f9ac8f46b 100644
--- a/tests/Jellyfin.Providers.Tests/Manager/ItemImageProviderTests.cs
+++ b/tests/Jellyfin.Providers.Tests/Manager/ItemImageProviderTests.cs
@@ -28,13 +28,13 @@ namespace Jellyfin.Providers.Tests.Manager
 {
     public class ItemImageProviderTests
     {
-        private static readonly string TestDataImagePath = "Test Data/Images/blank{0}.jpg";
+        private const string TestDataImagePath = "Test Data/Images/blank{0}.jpg";
 
         [Fact]
         public void ValidateImages_PhotoEmptyProviders_NoChange()
         {
             var itemImageProvider = GetItemImageProvider(null, null);
-            var changed = itemImageProvider.ValidateImages(new Photo(), new List<ILocalImageProvider>(), null);
+            var changed = itemImageProvider.ValidateImages(new Photo(), Enumerable.Empty<ILocalImageProvider>(), null);
 
             Assert.False(changed);
         }
@@ -43,7 +43,7 @@ namespace Jellyfin.Providers.Tests.Manager
         public void ValidateImages_EmptyItemEmptyProviders_NoChange()
         {
             var itemImageProvider = GetItemImageProvider(null, null);
-            var changed = itemImageProvider.ValidateImages(new MovieWithScreenshots(), new List<ILocalImageProvider>(), null);
+            var changed = itemImageProvider.ValidateImages(new MovieWithScreenshots(), Enumerable.Empty<ILocalImageProvider>(), null);
 
             Assert.False(changed);
         }
@@ -73,7 +73,7 @@ namespace Jellyfin.Providers.Tests.Manager
             var imageProvider = GetImageProvider(imageType, imageCount, true);
 
             var itemImageProvider = GetItemImageProvider(null, null);
-            var changed = itemImageProvider.ValidateImages(item, new List<ILocalImageProvider> { imageProvider }, null);
+            var changed = itemImageProvider.ValidateImages(item, new[] { imageProvider }, null);
 
             Assert.True(changed);
             Assert.Equal(imageCount, item.GetImages(imageType).Count());
@@ -86,7 +86,7 @@ namespace Jellyfin.Providers.Tests.Manager
             var item = GetItemWithImages(imageType, imageCount, true);
 
             var itemImageProvider = GetItemImageProvider(null, null);
-            var changed = itemImageProvider.ValidateImages(item, new List<ILocalImageProvider>(), null);
+            var changed = itemImageProvider.ValidateImages(item, Enumerable.Empty<ILocalImageProvider>(), null);
 
             Assert.False(changed);
             Assert.Equal(imageCount, item.GetImages(imageType).Count());
@@ -99,7 +99,7 @@ namespace Jellyfin.Providers.Tests.Manager
             var item = GetItemWithImages(imageType, imageCount, false);
 
             var itemImageProvider = GetItemImageProvider(null, null);
-            var changed = itemImageProvider.ValidateImages(item, new List<ILocalImageProvider>(), null);
+            var changed = itemImageProvider.ValidateImages(item, Enumerable.Empty<ILocalImageProvider>(), null);
 
             Assert.True(changed);
             Assert.Empty(item.GetImages(imageType));
@@ -109,7 +109,7 @@ namespace Jellyfin.Providers.Tests.Manager
         public void MergeImages_EmptyItemNewImagesEmpty_NoChange()
         {
             var itemImageProvider = GetItemImageProvider(null, null);
-            var changed = itemImageProvider.MergeImages(new MovieWithScreenshots(), new List<LocalImageInfo>());
+            var changed = itemImageProvider.MergeImages(new MovieWithScreenshots(), Array.Empty<LocalImageInfo>());
 
             Assert.False(changed);
         }
@@ -237,7 +237,8 @@ namespace Jellyfin.Providers.Tests.Manager
             var refreshOptions = forceRefresh
                 ? new ImageRefreshOptions(null)
                 {
-                    ImageRefreshMode = MetadataRefreshMode.FullRefresh, ReplaceAllImages = true
+                    ImageRefreshMode = MetadataRefreshMode.FullRefresh,
+                    ReplaceAllImages = true
                 }
                 : new ImageRefreshOptions(null);
 
@@ -330,19 +331,20 @@ namespace Jellyfin.Providers.Tests.Manager
             var refreshOptions = forceRefresh
                 ? new ImageRefreshOptions(null)
                 {
-                    ImageRefreshMode = MetadataRefreshMode.FullRefresh, ReplaceAllImages = true
+                    ImageRefreshMode = MetadataRefreshMode.FullRefresh,
+                    ReplaceAllImages = true
                 }
                 : new ImageRefreshOptions(null);
 
-            var remoteInfo = new List<RemoteImageInfo>();
+            var remoteInfo = new RemoteImageInfo[imageCount];
             for (int i = 0; i < imageCount; i++)
             {
-                remoteInfo.Add(new RemoteImageInfo
+                remoteInfo[i] = new RemoteImageInfo
                 {
                     Type = imageType,
                     Url = "image url " + i,
                     Width = 1 // min width is set to 0, this will always pass
-                });
+                };
             }
 
             var providerManager = new Mock<IProviderManager>(MockBehavior.Strict);
@@ -383,7 +385,7 @@ namespace Jellyfin.Providers.Tests.Manager
             // seek 2 so it won't short-circuit out of downloading when populated
             var libraryOptions = GetLibraryOptions(item, imageType, 2);
 
-            var content = "Content";
+            const string Content = "Content";
             var remoteProvider = new Mock<IRemoteImageProvider>(MockBehavior.Strict);
             remoteProvider.Setup(rp => rp.Name).Returns("MockRemoteProvider");
             remoteProvider.Setup(rp => rp.GetSupportedImages(item))
@@ -393,7 +395,7 @@ namespace Jellyfin.Providers.Tests.Manager
                 {
                     ReasonPhrase = url,
                     StatusCode = HttpStatusCode.OK,
-                    Content = new StringContent(content, Encoding.UTF8, "image/jpeg")
+                    Content = new StringContent(Content, Encoding.UTF8, "image/jpeg")
                 });
 
             var refreshOptions = fullRefresh
@@ -404,15 +406,15 @@ namespace Jellyfin.Providers.Tests.Manager
                 }
                 : new ImageRefreshOptions(null);
 
-            var remoteInfo = new List<RemoteImageInfo>();
+            var remoteInfo = new RemoteImageInfo[targetImageCount];
             for (int i = 0; i < targetImageCount; i++)
             {
-                remoteInfo.Add(new RemoteImageInfo
+                remoteInfo[i] = new RemoteImageInfo()
                 {
                     Type = imageType,
                     Url = "image url " + i,
                     Width = 1 // min width is set to 0, this will always pass
-                });
+                };
             }
 
             var providerManager = new Mock<IProviderManager>(MockBehavior.Strict);
@@ -425,7 +427,7 @@ namespace Jellyfin.Providers.Tests.Manager
             var fileSystem = new Mock<IFileSystem>();
             // match reported file size to image content length - condition for skipping already downloaded multi-images
             fileSystem.Setup(fs => fs.GetFileInfo(It.IsAny<string>()))
-                .Returns(new FileSystemMetadata { Length = content.Length });
+                .Returns(new FileSystemMetadata { Length = Content.Length });
             var itemImageProvider = GetItemImageProvider(providerManager.Object, fileSystem);
             var result = await itemImageProvider.RefreshImages(item, libraryOptions, new List<IImageProvider> { remoteProvider.Object }, refreshOptions, CancellationToken.None);
 
@@ -449,15 +451,16 @@ namespace Jellyfin.Providers.Tests.Manager
             var refreshOptions = new ImageRefreshOptions(null);
 
             // populate remote with double the required images to verify count is trimmed to the library option count
-            var remoteInfo = new List<RemoteImageInfo>();
-            for (int i = 0; i < imageCount * 2; i++)
+            var remoteInfoCount = imageCount * 2;
+            var remoteInfo = new RemoteImageInfo[remoteInfoCount];
+            for (int i = 0; i < remoteInfoCount; i++)
             {
-                remoteInfo.Add(new RemoteImageInfo
+                remoteInfo[i] = new RemoteImageInfo()
                 {
                     Type = imageType,
                     Url = "image url " + i,
                     Width = 1 // min width is set to 0, this will always pass
-                });
+                };
             }
 
             var providerManager = new Mock<IProviderManager>(MockBehavior.Strict);
@@ -552,20 +555,20 @@ namespace Jellyfin.Providers.Tests.Manager
         /// <summary>
         /// Creates a list of <see cref="LocalImageInfo"/> references of the specified type and size, optionally pointing to files that exist.
         /// </summary>
-        private static List<LocalImageInfo> GetImages(ImageType type, int count, bool validPaths)
+        private static LocalImageInfo[] GetImages(ImageType type, int count, bool validPaths)
         {
             var path = validPaths ? TestDataImagePath : "invalid path {0}";
-            var images = new List<LocalImageInfo>(count);
+            var images = new LocalImageInfo[count];
             for (int i = 0; i < count; i++)
             {
-                images.Add(new LocalImageInfo
+                images[i] = new LocalImageInfo
                 {
                     Type = type,
                     FileInfo = new FileSystemMetadata
                     {
                         FullName = string.Format(CultureInfo.InvariantCulture, path, i)
                     }
-                });
+                };
             }
 
             return images;