⬥ ID3 encoding/decoding library in Go ⬥
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package v1
import (
"os"
"path/filepath"
"testing"
)
var TESTDATAPATH string = filepath.Join("..", "testData")
var TESTv1TAG = &ID3v1Tag{
SongName: "testsong",
Artist: "testartist",
Album: "testalbum",
Year: 727,
Comment: "testcomment",
Genre: "Blues",
}
func TestReadv1Tag(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)
}
tag, err := Readv1Tag(testfile)
if err != nil {
t.Errorf("GetID3v1Tag failed: %s", err)
}
if tag.Version != V1_1 {
t.Errorf("GetID3v1Tag failed: expected version to be %s; got %s", V1_1, tag.Version)
}
if tag.Comment != "Comment here " {
t.Errorf("GetID3v1Tag failed: expected comment to be %s; got %s", "Comment here ", tag.Comment)
}
if tag.Genre != "Soundtrack" {
t.Errorf("GetID3v1Tag failed: expected genre to be %s; got %s", "Soundtrack", tag.Genre)
}
if tag.Track != 8 {
t.Errorf("GetID3v1Tag failed: expected track number to be %d; got %d", 8, tag.Track)
}
}
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()
tag := TESTv1TAG
// writing a tag
err = tag.write(f)
if err != nil {
t.Errorf("WriteID3v1Tag failed: %s", err)
}
// reading a tag
readTag, err := Readv1Tag(f)
if err != nil {
t.Errorf("%s", err)
}
if readTag.Album != "testalbum" {
t.Errorf("WriteID3v1Tag failed: expected %s; got %s", "testalbum", readTag.Album)
}
if readTag.Year != 727 {
t.Errorf("WriteID3v1Tag failed: expected %d; got %d", 727, readTag.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)
}
tag := TESTv1TAG
err = tag.WriteToFile(f)
if err != nil {
t.Errorf("WriteID3v1ToFile failed: %s", err)
}
}