feat: ConvertGUI v2.0 (Wails + preview/trim + NSIS + Gitea CI)

internal/media/probe_test.go

@@ -0,0 +1,96 @@
+package media
+
+import (
+	"testing"
+)
+
+func TestParseProbeJSON_MultiAudio(t *testing.T) {
+	sample := `{
+		"format": {
+			"filename": "clip.mp4",
+			"format_name": "mov,mp4,m4a,3gp,3g2,mj2",
+			"duration": "125.500000",
+			"size": "104857600",
+			"bit_rate": "6683824"
+		},
+		"streams": [
+			{
+				"index": 0,
+				"codec_type": "video",
+				"codec_name": "h264",
+				"width": 1920,
+				"height": 1080,
+				"pix_fmt": "yuv420p",
+				"avg_frame_rate": "60/1",
+				"r_frame_rate": "60/1"
+			},
+			{
+				"index": 1,
+				"codec_type": "audio",
+				"codec_name": "aac",
+				"channels": 2,
+				"channel_layout": "stereo",
+				"sample_rate": "48000",
+				"tags": {"title": "Desktop Audio"}
+			},
+			{
+				"index": 2,
+				"codec_type": "audio",
+				"codec_name": "aac",
+				"channels": 1,
+				"channel_layout": "mono",
+				"sample_rate": "48000",
+				"tags": {"title": "Microphone", "language": "rus"}
+			}
+		]
+	}`
+
+	info, err := ParseProbeJSON([]byte(sample), `C:\clips\clip.mp4`, 123)
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	if info.Width != 1920 || info.Height != 1080 {
+		t.Fatalf("unexpected resolution: %dx%d", info.Width, info.Height)
+	}
+	if info.FPS != 60 {
+		t.Fatalf("expected 60 fps, got %v", info.FPS)
+	}
+	if info.Duration != 125.5 {
+		t.Fatalf("expected duration 125.5, got %v", info.Duration)
+	}
+	if len(info.AudioStreams) != 2 {
+		t.Fatalf("expected 2 audio streams, got %d", len(info.AudioStreams))
+	}
+	if info.AudioStreams[1].AudioOrder != 1 || info.AudioStreams[1].Title != "Microphone" || info.AudioStreams[1].Language != "rus" {
+		t.Fatalf("unexpected audio stream 1: %+v", info.AudioStreams[1])
+	}
+	if !info.BrowserNative {
+		t.Fatalf("expected mp4 h264+aac to be browser native")
+	}
+}
+
+func TestParseProbeJSON_NoVideo(t *testing.T) {
+	sample := `{"format":{"duration":"10"},"streams":[{"index":0,"codec_type":"audio","codec_name":"mp3"}]}`
+	if _, err := ParseProbeJSON([]byte(sample), "audio.mp3", 100); err == nil {
+		t.Fatalf("expected error when no video stream exists")
+	}
+}
+
+func TestParseRationalFPS(t *testing.T) {
+	cases := []struct {
+		in   string
+		want float64
+	}{
+		{"60/1", 60},
+		{"30000/1001", 30000.0 / 1001.0},
+		{"0/0", 0},
+		{"", 0},
+		{"24", 24},
+	}
+	for _, tc := range cases {
+		got := parseRationalFPS(tc.in)
+		if got != tc.want {
+			t.Fatalf("parseRationalFPS(%q) = %v, want %v", tc.in, got, tc.want)
+		}
+	}
+}