func TestDecodeFileWithError(t *testing.T) {
_, err := drum.DecodeFile("no-such-file")
if err == nil {
t.Fatalf("no error from Decode: expected no-such-file error")
}
if !os.IsNotExist(err) {
t.Fatalf("unexpected error; got %q; expected not-found error", err)
}
}
func TestDecodeFile(t *testing.T) {
f, err := ioutil.TempFile("", "")
if err != nil {
t.Fatalf("cannot make temp file: %v", err)
}
defer f.Close()
defer os.Remove(f.Name())
test := decodeTests[0]
_, err = f.Write(undump(test.data))
if err != nil {
t.Fatalf("cannot make temp file: %v", err)
}
p, err := drum.DecodeFile(f.Name())
if err != nil {
t.Fatalf("cannot decode file: %v", err)
}
output := p.String()
if output != test.expectOutput {
t.Fatalf("unexpected output\nGot\n%s\nWant\n%s\n", output, test.expectOutput)
}
}
func main() {
flag.Usage = func() {
fmt.Fprint(os.Stderr, usage)
flag.PrintDefaults()
os.Exit(2)
}
flag.Parse()
if flag.NArg() != 1 {
flag.Usage()
}
p, err := drum.DecodeFile(flag.Arg(0))
if err != nil {
log.Fatalf("cannot decode splice file: %v", err)
}
if *showInfo {
fmt.Print(p)
return
}
patches, err := readPatches(p, *sampleDir)
if err != nil {
log.Fatalf("cannot read sample patches: %v", err)
}
drumMod, err := drummachine.New(p, patches)
if err != nil {
log.Fatalf("cannot make new drum machine: %v", err)
}
portaudio.Initialize()
defer portaudio.Terminate()
portmidi.Initialize()
defer portmidi.Terminate()
e := audio.NewEngine()
e.Input("in", drumMod)
if err := e.Start(); err != nil {
panic(err)
}
select {}
}