Add CacheKey benchmarks

Author: ronaldbarendse

tests/Directory.Build.targets

@@ -20,6 +20,7 @@
   <ItemGroup>
     <PackageReference Update="Azure.Storage.Blobs" Version="12.10.0" />
     <PackageReference Update="BenchmarkDotNet" Version="0.13.1" />
+    <PackageReference Update="Microsoft.AspNetCore.Http" Version="2.2.2" />
     <PackageReference Update="Microsoft.Azure.KeyVault.Core" Version="3.0.4" />
     <PackageReference Update="Microsoft.Azure.Storage.Blob" Version="11.1.2" />
 

tests/ImageSharp.Web.Benchmarks/Caching/CacheKeyBenchmarks.cs

@@ -0,0 +1,42 @@
+// Copyright (c) Six Labors.
+// Licensed under the Apache License, Version 2.0.
+
+using System;
+using BenchmarkDotNet.Attributes;
+using Microsoft.AspNetCore.Http;
+using SixLabors.ImageSharp.Web.Caching;
+using SixLabors.ImageSharp.Web.Commands;
+
+namespace SixLabors.ImageSharp.Web.Benchmarks.Caching
+{
+    [Config(typeof(MemoryConfig))]
+    public class CacheKeyBenchmarks
+    {
+        private static readonly HttpContext Context = CreateContext();
+        private static readonly CommandCollection Commands = new()
+        {
+            { "width", "400" }
+        };
+
+        private static readonly ICacheKey UriRelativeCacheKey = new UriRelativeCacheKey();
+        private static readonly ICacheKey UriAbsoluteCacheKey = new UriAbsoluteCacheKey();
+
+        [Benchmark(Baseline = true, Description = "UriRelativeCacheKey")]
+        public string CreateUsingUriRelativeCacheKey() => UriRelativeCacheKey.Create(Context, Commands);
+
+        [Benchmark(Description = "UriAbsoluteCacheKey")]
+        public string CreateUsingUriAbsoluteCacheKey() => UriAbsoluteCacheKey.Create(Context, Commands);
+
+        private static HttpContext CreateContext()
+        {
+            var httpContext = new DefaultHttpContext();
+            httpContext.Request.Scheme = Uri.UriSchemeHttp;
+            httpContext.Request.Host = new HostString("testwebsite.com");
+            httpContext.Request.PathBase = "/images";
+            httpContext.Request.Path = "/image-12345.jpeg";
+            httpContext.Request.QueryString = new QueryString("?should-be=ignored");
+
+            return httpContext;
+        }
+    }
+}

tests/ImageSharp.Web.Benchmarks/ImageSharp.Web.Benchmarks.csproj

@@ -12,6 +12,7 @@
 
   <ItemGroup>
     <PackageReference Include="BenchmarkDotNet"/>
+    <PackageReference Include="Microsoft.AspNetCore.Http"/>
   </ItemGroup>
 
   <ItemGroup>