67 lines
1.5 KiB
Go
67 lines
1.5 KiB
Go
package app
|
|
|
|
import (
|
|
"os"
|
|
"os/exec"
|
|
"path/filepath"
|
|
"testing"
|
|
)
|
|
|
|
func TestFFmpegArgs(t *testing.T) {
|
|
args := ffmpegArgs("/in/a.flac", "/out/a.mp3", "128k", "Neon Rain", "AI Radio")
|
|
joined := ""
|
|
for _, a := range args {
|
|
joined += a + " "
|
|
}
|
|
for _, want := range []string{
|
|
"-i /in/a.flac",
|
|
"libmp3lame",
|
|
"-b:a 128k",
|
|
"-ar 44100",
|
|
"-ac 2",
|
|
"-id3v2_version 3",
|
|
"-write_id3v1 1",
|
|
"-metadata title=Neon Rain",
|
|
"-metadata album=AI Radio",
|
|
"/out/a.mp3",
|
|
} {
|
|
if !contains(joined, want) {
|
|
t.Fatalf("args missing %q:\n%s", want, joined)
|
|
}
|
|
}
|
|
}
|
|
|
|
func contains(hay, needle string) bool {
|
|
return len(hay) >= len(needle) && (func() bool {
|
|
for i := 0; i+len(needle) <= len(hay); i++ {
|
|
if hay[i:i+len(needle)] == needle {
|
|
return true
|
|
}
|
|
}
|
|
return false
|
|
})()
|
|
}
|
|
|
|
// TestTranscodeReal actually runs ffmpeg if present; skips otherwise.
|
|
func TestTranscodeReal(t *testing.T) {
|
|
if _, err := exec.LookPath("ffmpeg"); err != nil {
|
|
t.Skip("ffmpeg not installed")
|
|
}
|
|
dir := t.TempDir()
|
|
src := filepath.Join(dir, "s.flac")
|
|
// generate a 1s sine flac
|
|
cmd := exec.Command("ffmpeg", "-y", "-hide_banner", "-loglevel", "error",
|
|
"-f", "lavfi", "-i", "sine=frequency=440:duration=1", "-c:a", "flac", src)
|
|
if err := cmd.Run(); err != nil {
|
|
t.Fatalf("fixture gen: %v", err)
|
|
}
|
|
dst := filepath.Join(dir, "s.mp3")
|
|
if err := Transcode(src, dst, "128k", "Test", "Station"); err != nil {
|
|
t.Fatalf("Transcode: %v", err)
|
|
}
|
|
st, err := os.Stat(dst)
|
|
if err != nil || st.Size() == 0 {
|
|
t.Fatal("mp3 not produced")
|
|
}
|
|
}
|