Refactor code structure for improved readability and maintainability

dotnet/src/TwitchArchive.Tests/ProcessorServiceTests.cs

@@ -0,0 +1,57 @@
+using System;
+using System.IO;
+using System.Threading.Tasks;
+using Moq;
+using Xunit;
+using TwitchArchive.Core.Services;
+
+namespace TwitchArchive.Tests
+{
+    public class ProcessorServiceTests : IDisposable
+    {
+        private readonly string _tmp;
+
+        public ProcessorServiceTests()
+        {
+            _tmp = Path.Combine(Path.GetTempPath(), "ta_proc_" + Guid.NewGuid().ToString("N"));
+            Directory.CreateDirectory(_tmp);
+        }
+
+        [Fact]
+        public async Task ProcessRawStream_CallsFfmpeg_CopyMode()
+        {
+            var mock = new Mock<IProcessRunner>();
+            mock.Setup(r => r.RunAsync(It.IsAny<ProcessRunOptions>(), default)).ReturnsAsync(new ProcessRunResult { ExitCode = 0 });
+            var svc = new ProcessorService(mock.Object);
+
+            var raw = Path.Combine(_tmp, "in.ts");
+            var outp = Path.Combine(_tmp, "out.mp4");
+            File.WriteAllText(raw, "x");
+
+            var ok = await svc.ProcessRawStreamAsync(raw, outp, "best");
+            Assert.True(ok);
+            mock.Verify(r => r.RunAsync(It.Is<ProcessRunOptions>(o => o.FileName == "ffmpeg" && o.Arguments.Contains("-c:v copy")), default), Times.Once);
+        }
+
+        [Fact]
+        public async Task ProcessRawStream_AudioOnly_UsesAac()
+        {
+            var mock = new Mock<IProcessRunner>();
+            mock.Setup(r => r.RunAsync(It.IsAny<ProcessRunOptions>(), default)).ReturnsAsync(new ProcessRunResult { ExitCode = 0 });
+            var svc = new ProcessorService(mock.Object);
+
+            var raw = Path.Combine(_tmp, "in.ts");
+            var outp = Path.Combine(_tmp, "out.mp4");
+            File.WriteAllText(raw, "x");
+
+            var ok = await svc.ProcessRawStreamAsync(raw, outp, "audio_only");
+            Assert.True(ok);
+            mock.Verify(r => r.RunAsync(It.Is<ProcessRunOptions>(o => o.FileName == "ffmpeg" && o.Arguments.Contains("-vn") && o.Arguments.Contains("-c:a aac")), default), Times.Once);
+        }
+
+        public void Dispose()
+        {
+            try { Directory.Delete(_tmp, true); } catch { }
+        }
+    }
+}