⬥ ID3 encoding/decoding library in Go ⬥
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package v1
import (
"os"
"path/filepath"
"testing"
)
var TESTDATAPATH string = filepath.Join("..", "testData")
var TESTv1TAGS = &ID3v1Tags{
SongName: "testsong",
Artist: "testartist",
Album: "testalbum",
Year: 727,
Comment: "testcomment",
Genre: "Blues",
}
func TestGetv1Tags(t *testing.T) {
testfile, err := os.OpenFile(filepath.Join(TESTDATAPATH, "testreadv1.mp3"), os.O_CREATE|os.O_RDONLY, os.ModePerm)
if err != nil {
t.Errorf("could not open file for testing: %s", err)
}
tags, err := Getv1Tags(testfile)
if err != nil {
t.Errorf("GetID3v1Tags failed: %s", err)
}
if tags.Comment != "Comment here " {
t.Errorf("GetID3v1Tags failed: expected %s; got %s", "Comment here ", tags.Comment)
}
}
func TestWritev1Tags(t *testing.T) {
f, err := os.OpenFile(filepath.Join(TESTDATAPATH, "testwritev1.mp3"), os.O_CREATE|os.O_RDWR, os.ModePerm)
if err != nil {
t.Errorf("%s", err)
}
defer f.Close()
tags := TESTv1TAGS
// writing tags
err = tags.Write(f)
if err != nil {
t.Errorf("WriteID3v1Tags failed: %s", err)
}
// reading tags
readTags, err := Getv1Tags(f)
if err != nil {
t.Errorf("%s", err)
}
if readTags.Album != "testalbum" {
t.Errorf("WriteID3v1Tags failed: expected %s; got %s", "testalbum", readTags.Album)
}
if readTags.Year != 727 {
t.Errorf("WriteID3v1Tags failed: expected %d; got %d", 727, readTags.Year)
}
}
func TestWriteID3v1ToFile(t *testing.T) {
f, err := os.OpenFile(filepath.Join(TESTDATAPATH, "testwritev1.mp3"), os.O_CREATE|os.O_RDWR, os.ModePerm)
if err != nil {
t.Errorf("%s", err)
}
tags := TESTv1TAGS
err = tags.WriteToFile(f)
if err != nil {
t.Errorf("WriteID3v1ToFile failed: %s", err)
}
}