feat(ads/seo/release): v1.2.0 with live Google Ads, isolated ad profile, ads.txt, and SEO/AEO/GEO optimization

tests/Paca.Tests/Core/TranscodingPresetEngineGateTests.cs

@@ -0,0 +1,46 @@
+using System;
+using Paca.Mobile.Core;
+using Xunit;
+
+namespace Paca.Tests.Core;
+
+public class TranscodingPresetEngineGateTests
+{
+    [Fact]
+    public void Gate245_TranscodingPresetEngine_BuildsRemuxArguments_WhenCompatible()
+    {
+        var args = TranscodingPresetEngine.BuildFfmpegArgs("input.mkv", "output.mp4", TranscodePreset.FastRemux);
+
+        Assert.Contains("-c:v copy", args);
+        Assert.Contains("-c:a copy", args);
+        Assert.Contains("-movflags +faststart", args);
+    }
+
+    [Fact]
+    public void Gate246_TranscodingPresetEngine_BuildsMobileCompatibilityArguments()
+    {
+        var args = TranscodingPresetEngine.BuildFfmpegArgs("input.webm", "output.mp4", TranscodePreset.MobileCompatibleH264);
+
+        Assert.Contains("-c:v libx264", args);
+        Assert.Contains("-c:a aac", args);
+        Assert.Contains("-movflags +faststart", args);
+    }
+
+    [Fact]
+    public void Gate247_TranscodingPresetEngine_BuildsAudioExtractionArguments()
+    {
+        var args = TranscodingPresetEngine.BuildFfmpegArgs("video.mp4", "audio.mp3", TranscodePreset.AudioMp3High);
+
+        Assert.Contains("-vn", args);
+        Assert.Contains("-c:a libmp3lame", args);
+        Assert.Contains("-b:a 320k", args);
+    }
+
+    [Fact]
+    public void Gate248_TranscodingPresetEngine_EstimatesOutputFilename()
+    {
+        Assert.Equal("clip.mp3", TranscodingPresetEngine.GetTargetFileName("clip.mkv", TranscodePreset.AudioMp3High));
+        Assert.Equal("lecture.mp4", TranscodingPresetEngine.GetTargetFileName("lecture.webm", TranscodePreset.MobileCompatibleH264));
+        Assert.Equal("video.mp4", TranscodingPresetEngine.GetTargetFileName("video.mkv", TranscodePreset.FastRemux));
+    }
+}