Refactor utils in converter tests

Author: Tyrrrz

YoutubeExplode.Converter.Tests/Utils/Extensions/FileExtensions.cs

@@ -1,12 +1,13 @@
-using System.IO;
+using System;
+using System.IO;
 
 namespace YoutubeExplode.Converter.Tests.Utils.Extensions;
 
 internal static class FileExtensions
 {
     extension(File)
     {
-        public static bool ContainsBytes(string filePath, byte[] data)
+        public static bool ContainsBytes(string filePath, ReadOnlySpan<byte> data)
         {
             using var stream = File.OpenRead(filePath);
             using var reader = new BinaryReader(stream);

YoutubeExplode.Converter.Tests/Utils/Extensions/HttpExtensions.cs

@@ -1,5 +1,6 @@
 using System.IO;
 using System.Net.Http;
+using System.Threading;
 using System.Threading.Tasks;
 
 namespace YoutubeExplode.Converter.Tests.Utils.Extensions;
@@ -8,15 +9,24 @@ internal static class HttpExtensions
 {
     extension(HttpClient http)
     {
-        public async Task DownloadAsync(string url, string filePath)
+        public async Task DownloadAsync(
+            string url,
+            string filePath,
+            CancellationToken cancellationToken = default
+        )
         {
-            using var response = await http.GetAsync(url, HttpCompletionOption.ResponseHeadersRead);
+            using var response = await http.GetAsync(
+                url,
+                HttpCompletionOption.ResponseHeadersRead,
+                cancellationToken
+            );
+
             response.EnsureSuccessStatusCode();
 
-            await using var source = await response.Content.ReadAsStreamAsync();
+            await using var source = await response.Content.ReadAsStreamAsync(cancellationToken);
             await using var destination = File.Create(filePath);
 
-            await source.CopyToAsync(destination);
+            await source.CopyToAsync(destination, cancellationToken);
         }
     }
 }