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/AudioAlbumTrackSplitterGateTests.cs

@@ -0,0 +1,72 @@
+using System;
+using System.Collections.Generic;
+using Paca.Core;
+using Xunit;
+
+namespace Paca.Tests.Core;
+
+public class AudioAlbumTrackSplitterGateTests
+{
+    [Fact]
+    public void Gate409_AudioAlbumTrackSplitter_BuildsSilenceDetectArgs_Properly()
+    {
+        var args = AudioAlbumTrackSplitter.BuildSilenceDetectArgs("album.mp3", noiseDb: -35.0, durationSec: 2.0);
+
+        Assert.Contains("-i \"album.mp3\"", args);
+        Assert.Contains("silencedetect=noise=-35dB:d=2.0", args);
+        Assert.Contains("-f null -", args);
+    }
+
+    [Fact]
+    public void Gate410_AudioAlbumTrackSplitter_ParsesSilenceSegments_IntoTracks_WithMinDurationFilter()
+    {
+        var log = "[silence_detect @ 0x1234] silence_start: 177.5\n[silence_detect @ 0x1234] silence_end: 180.0 | silence_duration: 2.5\n[silence_detect @ 0x1234] silence_start: 357.0\n[silence_detect @ 0x1234] silence_end: 360.0 | silence_duration: 3.0";
+
+        var tracks = AudioAlbumTrackSplitter.ParseSilenceToTracks(log, totalDurationSec: 600.0, minTrackDurationSec: 30.0);
+
+        Assert.Equal(3, tracks.Count);
+
+        Assert.Equal(1, tracks[0].Index);
+        Assert.Equal(0.0, tracks[0].StartSec, 1);
+        Assert.Equal(177.5, tracks[0].EndSec, 1);
+
+        Assert.Equal(2, tracks[1].Index);
+        Assert.Equal(180.0, tracks[1].StartSec, 1);
+        Assert.Equal(357.0, tracks[1].EndSec, 1);
+
+        Assert.Equal(3, tracks[2].Index);
+        Assert.Equal(360.0, tracks[2].StartSec, 1);
+        Assert.Equal(600.0, tracks[2].EndSec, 1);
+    }
+
+    [Fact]
+    public void Gate411_AudioAlbumTrackSplitter_BuildsLosslessSplitCommand_PerTrack()
+    {
+        var track = new AlbumTrackSegment(1, 0.0, 177.5, "Track 01");
+        var cmd = AudioAlbumTrackSplitter.BuildSplitCommand("album.mp3", track, "out_01.mp3");
+
+        Assert.Contains("-ss 0.000", cmd);
+        Assert.Contains("-to 177.500", cmd);
+        Assert.Contains("-i \"album.mp3\"", cmd);
+        Assert.Contains("-c copy", cmd);
+        Assert.Contains("\"out_01.mp3\"", cmd);
+    }
+
+    [Fact]
+    public void Gate412_AudioAlbumTrackSplitter_GeneratesM3uPlaylist_Accurately()
+    {
+        var tracks = new List<AlbumTrackSegment>
+        {
+            new(1, 0.0, 180.0, "Intro Jam"),
+            new(2, 180.0, 420.0, "Main Song")
+        };
+
+        var m3u = AudioAlbumTrackSplitter.GenerateM3uPlaylist("My Album", tracks, "track_{0:D2}.mp3");
+
+        Assert.StartsWith("#EXTM3U", m3u.TrimStart());
+        Assert.Contains("#EXTINF:180,My Album - Intro Jam", m3u);
+        Assert.Contains("track_01.mp3", m3u);
+        Assert.Contains("#EXTINF:240,My Album - Main Song", m3u);
+        Assert.Contains("track_02.mp3", m3u);
+    }
+}