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save_test.go
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save_test.go
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package audiometa
import (
"bytes"
"errors"
"image"
"io"
"os"
"path/filepath"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/mock"
)
func compareImages(src1 [][][3]float32, src2 [][][3]float32) bool {
dif := 0
for i, dat1 := range src1 {
for j := range dat1 {
if len(src1[i][j]) != len(src2[i][j]) {
dif++
}
}
}
return dif == 0
}
func image_2_array_at(src image.Image) [][][3]float32 {
bounds := src.Bounds()
width, height := bounds.Max.X, bounds.Max.Y
iaa := make([][][3]float32, height)
for y := 0; y < height; y++ {
row := make([][3]float32, width)
for x := 0; x < width; x++ {
r, g, b, _ := src.At(x, y).RGBA()
// A color's RGBA method returns values in the range [0, 65535].
// Shifting by 8 reduces this to the range [0, 255].
row[x] = [3]float32{float32(r >> 8), float32(g >> 8), float32(b >> 8)}
}
iaa[y] = row
}
return iaa
}
func TestMP3(t *testing.T) {
t.Run("TestWriteEmptyTagsMP3-buffers", func(t *testing.T) {
path, _ := filepath.Abs("testdata/testdata-mp3-nonEmpty.mp3")
f, err := os.Open(path)
assert.NoError(t, err)
b, err := io.ReadAll(f)
assert.NoError(t, err)
r := bytes.NewReader(b)
tag, err := parse(r, ParseOptions{MP3})
assert.NoError(t, err)
tag.ClearAllTags()
buffy := new(bytes.Buffer)
err = SaveTag(tag, buffy)
assert.NoError(t, err)
r = bytes.NewReader(buffy.Bytes())
tag, err = parse(r, ParseOptions{MP3})
assert.NoError(t, err)
assert.Empty(t, tag.Artist())
assert.Empty(t, tag.Album())
assert.Empty(t, tag.Title())
})
t.Run("TestWriteEmptyTagsMP3-file", func(t *testing.T) {
err := os.Mkdir("testdata/temp", 0755)
assert.NoError(t, err)
of, err := os.ReadFile("testdata/testdata-mp3-nonEmpty.mp3")
assert.NoError(t, err)
err = os.WriteFile("testdata/temp/testdata-mp3-nonEmpty.mp3", of, 0755)
assert.NoError(t, err)
path, _ := filepath.Abs("testdata/temp/testdata-mp3-nonEmpty.mp3")
f, err := os.OpenFile(path, os.O_RDONLY, 0755)
assert.NoError(t, err)
defer f.Close()
tag, err := Open(f, ParseOptions{MP3})
assert.NoError(t, err)
tag.ClearAllTags()
err = SaveTag(tag, f)
assert.NoError(t, err)
_, err = f.Seek(0, io.SeekStart)
assert.NoError(t, err)
tag, err = Open(f, ParseOptions{MP3})
assert.NoError(t, err)
f.Close()
err = os.RemoveAll("testdata/temp")
assert.NoError(t, err)
assert.Empty(t, tag.Artist())
assert.Empty(t, tag.Album())
assert.Empty(t, tag.Title())
})
t.Run("TestWriteTagsMP3FromEmpty-buffers", func(t *testing.T) {
path, _ := filepath.Abs("testdata/testdata-mp3-nonEmpty.mp3")
f, err := os.Open(path)
assert.NoError(t, err)
defer f.Close()
b, err := io.ReadAll(f)
assert.NoError(t, err)
r := bytes.NewReader(b)
tag, err := Open(r, ParseOptions{MP3})
assert.NoError(t, err)
tag.ClearAllTags()
buffy := new(bytes.Buffer)
err = SaveTag(tag, buffy)
assert.NoError(t, err)
r = bytes.NewReader(buffy.Bytes())
tag, err = Open(r, ParseOptions{MP3})
assert.NoError(t, err)
tag.SetArtist("TestArtist1")
tag.SetTitle("TestTitle1")
tag.SetAlbum("TestAlbum1")
p, err := filepath.Abs("./testdata/withAlbumArt/testdata-img-1.jpg")
assert.NoError(t, err)
err = tag.SetAlbumArtFromFilePath(p)
assert.NoError(t, err)
buffy = new(bytes.Buffer)
err = SaveTag(tag, buffy)
assert.NoError(t, err)
r = bytes.NewReader(buffy.Bytes())
tag, err = Open(r, ParseOptions{MP3})
assert.NoError(t, err)
assert.Equal(t, tag.Artist(), "TestArtist1")
assert.Equal(t, tag.Album(), "TestAlbum1")
assert.Equal(t, tag.Title(), "TestTitle1")
picFile, err := os.Open(p)
assert.NoError(t, err)
picData, _, err := image.Decode(picFile)
assert.NoError(t, err)
img1data := image_2_array_at(picData)
img2data := image_2_array_at(*tag.albumArt)
assert.True(t, compareImages(img1data, img2data))
})
t.Run("TestWriteTagsMP3FromEmpty-file", func(t *testing.T) {
err := os.Mkdir("testdata/temp", 0755)
assert.NoError(t, err)
of, err := os.ReadFile("testdata/testdata-mp3-nonEmpty.mp3")
assert.NoError(t, err)
err = os.WriteFile("testdata/temp/testdata-mp3-nonEmpty.mp3", of, 0755)
assert.NoError(t, err)
path, _ := filepath.Abs("testdata/temp/testdata-mp3-nonEmpty.mp3")
f, err := os.Open(path)
assert.NoError(t, err)
defer f.Close()
tag, err := Open(f, ParseOptions{MP3})
assert.NoError(t, err)
tag.SetArtist("TestArtist1")
tag.SetTitle("TestTitle1")
tag.SetAlbum("TestAlbum1")
p, err := filepath.Abs("./testdata/withAlbumArt/testdata-img-1.jpg")
assert.NoError(t, err)
err = tag.SetAlbumArtFromFilePath(p)
assert.NoError(t, err)
err = SaveTag(tag, f)
assert.NoError(t, err)
_, err = f.Seek(0, io.SeekStart)
assert.NoError(t, err)
tag, err = Open(f, ParseOptions{MP3})
assert.NoError(t, err)
err = os.RemoveAll("testdata/temp")
assert.NoError(t, err)
assert.Equal(t, tag.Artist(), "TestArtist1")
assert.Equal(t, tag.Album(), "TestAlbum1")
assert.Equal(t, tag.Title(), "TestTitle1")
picFile, err := os.Open(p)
assert.NoError(t, err)
picData, _, err := image.Decode(picFile)
assert.NoError(t, err)
img1data := image_2_array_at(picData)
img2data := image_2_array_at(*tag.albumArt)
assert.True(t, compareImages(img1data, img2data))
})
t.Run("TestUpdateTagsMP3-buffers", func(t *testing.T) {
path, _ := filepath.Abs("testdata/testdata-mp3-nonEmpty.mp3")
f, err := os.Open(path)
assert.NoError(t, err)
defer f.Close()
b, err := io.ReadAll(f)
assert.NoError(t, err)
r := bytes.NewReader(b)
tag, err := Open(r, ParseOptions{MP3})
assert.NoError(t, err)
tag.ClearAllTags()
buffy := new(bytes.Buffer)
err = SaveTag(tag, buffy)
assert.NoError(t, err)
r = bytes.NewReader(buffy.Bytes())
tag, err = Open(r, ParseOptions{MP3})
assert.NoError(t, err)
tag.SetArtist("TestArtist1")
tag.SetTitle("TestTitle1")
tag.SetAlbum("TestAlbum1")
p, err := filepath.Abs("./testdata/withAlbumArt/testdata-img-1.jpg")
assert.NoError(t, err)
err = tag.SetAlbumArtFromFilePath(p)
assert.NoError(t, err)
buffy = new(bytes.Buffer)
err = SaveTag(tag, buffy)
assert.NoError(t, err)
r = bytes.NewReader(buffy.Bytes())
tag, err = Open(r, ParseOptions{MP3})
assert.NoError(t, err)
assert.Equal(t, tag.Artist(), "TestArtist1")
assert.Equal(t, tag.Album(), "TestAlbum1")
assert.Equal(t, tag.Title(), "TestTitle1")
tag.SetArtist("TestArtist2")
buffy = new(bytes.Buffer)
err = SaveTag(tag, buffy)
assert.NoError(t, err)
r = bytes.NewReader(buffy.Bytes())
tag, err = Open(r, ParseOptions{MP3})
assert.NoError(t, err)
assert.Equal(t, tag.Artist(), "TestArtist2")
assert.Equal(t, tag.Album(), "TestAlbum1")
assert.Equal(t, tag.Title(), "TestTitle1")
picFile, err := os.Open(p)
assert.NoError(t, err)
picData, _, err := image.Decode(picFile)
assert.NoError(t, err)
img1data := image_2_array_at(picData)
img2data := image_2_array_at(*tag.albumArt)
assert.True(t, compareImages(img1data, img2data))
})
t.Run("TestUpdateTagsMP3-file", func(t *testing.T) {
err := os.Mkdir("testdata/temp", 0755)
assert.NoError(t, err)
of, err := os.ReadFile("testdata/testdata-mp3-nonEmpty.mp3")
assert.NoError(t, err)
err = os.WriteFile("testdata/temp/testdata-mp3-nonEmpty.mp3", of, 0755)
assert.NoError(t, err)
path, _ := filepath.Abs("testdata/temp/testdata-mp3-nonEmpty.mp3")
f, err := os.Open(path)
assert.NoError(t, err)
defer f.Close()
tag, err := Open(f, ParseOptions{MP3})
assert.NoError(t, err)
tag.SetArtist("TestArtist1")
tag.SetTitle("TestTitle1")
tag.SetAlbum("TestAlbum1")
p, err := filepath.Abs("./testdata/withAlbumArt/testdata-img-1.jpg")
assert.NoError(t, err)
err = tag.SetAlbumArtFromFilePath(p)
assert.NoError(t, err)
err = SaveTag(tag, f)
assert.NoError(t, err)
_, err = f.Seek(0, io.SeekStart)
assert.NoError(t, err)
tag, err = Open(f, ParseOptions{MP3})
assert.NoError(t, err)
assert.Equal(t, tag.Artist(), "TestArtist1")
assert.Equal(t, tag.Album(), "TestAlbum1")
assert.Equal(t, tag.Title(), "TestTitle1")
tag.SetArtist("TestArtist2")
err = SaveTag(tag, f)
assert.NoError(t, err)
_, err = f.Seek(0, io.SeekStart)
assert.NoError(t, err)
tag, err = Open(f, ParseOptions{MP3})
assert.NoError(t, err)
f.Close()
err = os.RemoveAll("testdata/temp")
assert.NoError(t, err)
assert.Equal(t, tag.Artist(), "TestArtist2")
assert.Equal(t, tag.Album(), "TestAlbum1")
assert.Equal(t, tag.Title(), "TestTitle1")
picFile, err := os.Open(p)
assert.NoError(t, err)
picData, _, err := image.Decode(picFile)
assert.NoError(t, err)
img1data := image_2_array_at(picData)
img2data := image_2_array_at(*tag.albumArt)
assert.True(t, compareImages(img1data, img2data))
})
}
func TestM4A(t *testing.T) {
t.Run("TestWriteEmptyTagsM4A-buffers", func(t *testing.T) {
path, _ := filepath.Abs("testdata/testdata-m4a-nonEmpty.m4a")
f, err := os.Open(path)
assert.NoError(t, err)
b, err := io.ReadAll(f)
assert.NoError(t, err)
r := bytes.NewReader(b)
tag, err := parse(r, ParseOptions{M4A})
assert.NoError(t, err)
tag.ClearAllTags()
buffy := new(bytes.Buffer)
err = SaveTag(tag, buffy)
assert.NoError(t, err)
r = bytes.NewReader(buffy.Bytes())
tag, err = parse(r, ParseOptions{M4A})
assert.NoError(t, err)
assert.Empty(t, tag.Artist())
assert.Empty(t, tag.Album())
assert.Empty(t, tag.Title())
})
t.Run("TestWriteEmptyTagsM4A-file", func(t *testing.T) {
err := os.Mkdir("testdata/temp", 0755)
assert.NoError(t, err)
of, err := os.ReadFile("testdata/testdata-m4a-nonEmpty.m4a")
assert.NoError(t, err)
err = os.WriteFile("testdata/temp/testdata-m4a-nonEmpty.m4a", of, 0755)
assert.NoError(t, err)
path, _ := filepath.Abs("testdata/temp/testdata-m4a-nonEmpty.m4a")
f, err := os.OpenFile(path, os.O_RDONLY, 0755)
assert.NoError(t, err)
defer f.Close()
tag, err := Open(f, ParseOptions{M4A})
assert.NoError(t, err)
tag.ClearAllTags()
err = SaveTag(tag, f)
assert.NoError(t, err)
_, err = f.Seek(0, io.SeekStart)
assert.NoError(t, err)
tag, err = Open(f, ParseOptions{M4A})
assert.NoError(t, err)
f.Close()
err = os.RemoveAll("testdata/temp")
assert.NoError(t, err)
assert.Empty(t, tag.Artist())
assert.Empty(t, tag.Album())
assert.Empty(t, tag.Title())
})
t.Run("TestWriteTagsM4AFromEmpty-buffers", func(t *testing.T) {
path, _ := filepath.Abs("testdata/testdata-m4a-nonEmpty.m4a")
f, err := os.Open(path)
assert.NoError(t, err)
defer f.Close()
b, err := io.ReadAll(f)
assert.NoError(t, err)
r := bytes.NewReader(b)
tag, err := Open(r, ParseOptions{M4A})
assert.NoError(t, err)
tag.ClearAllTags()
buffy := new(bytes.Buffer)
err = SaveTag(tag, buffy)
assert.NoError(t, err)
r = bytes.NewReader(buffy.Bytes())
tag, err = Open(r, ParseOptions{M4A})
assert.NoError(t, err)
tag.SetArtist("TestArtist1")
tag.SetTitle("TestTitle1")
tag.SetAlbum("TestAlbum1")
p, err := filepath.Abs("./testdata/withAlbumArt/testdata-img-1.jpg")
assert.NoError(t, err)
err = tag.SetAlbumArtFromFilePath(p)
assert.NoError(t, err)
buffy = new(bytes.Buffer)
err = SaveTag(tag, buffy)
assert.NoError(t, err)
r = bytes.NewReader(buffy.Bytes())
tag, err = Open(r, ParseOptions{M4A})
assert.NoError(t, err)
assert.Equal(t, tag.Artist(), "TestArtist1")
assert.Equal(t, tag.Album(), "TestAlbum1")
assert.Equal(t, tag.Title(), "TestTitle1")
})
t.Run("TestWriteTagsM4AFromEmpty-file", func(t *testing.T) {
err := os.Mkdir("testdata/temp", 0755)
assert.NoError(t, err)
of, err := os.ReadFile("testdata/testdata-m4a-nonEmpty.m4a")
assert.NoError(t, err)
err = os.WriteFile("testdata/temp/testdata-m4a-nonEmpty.m4a", of, 0755)
assert.NoError(t, err)
path, _ := filepath.Abs("testdata/temp/testdata-m4a-nonEmpty.m4a")
f, err := os.Open(path)
assert.NoError(t, err)
defer f.Close()
tag, err := Open(f, ParseOptions{M4A})
assert.NoError(t, err)
tag.SetArtist("TestArtist1")
tag.SetTitle("TestTitle1")
tag.SetAlbum("TestAlbum1")
p, err := filepath.Abs("./testdata/withAlbumArt/testdata-img-1.jpg")
assert.NoError(t, err)
err = tag.SetAlbumArtFromFilePath(p)
assert.NoError(t, err)
err = SaveTag(tag, f)
assert.NoError(t, err)
_, err = f.Seek(0, io.SeekStart)
assert.NoError(t, err)
tag, err = Open(f, ParseOptions{M4A})
assert.NoError(t, err)
err = os.RemoveAll("testdata/temp")
assert.NoError(t, err)
assert.Equal(t, tag.Artist(), "TestArtist1")
assert.Equal(t, tag.Album(), "TestAlbum1")
assert.Equal(t, tag.Title(), "TestTitle1")
})
t.Run("TestUpdateTagsM4A-buffers", func(t *testing.T) {
path, _ := filepath.Abs("testdata/testdata-m4a-nonEmpty.m4a")
f, err := os.Open(path)
assert.NoError(t, err)
defer f.Close()
b, err := io.ReadAll(f)
assert.NoError(t, err)
r := bytes.NewReader(b)
tag, err := Open(r, ParseOptions{M4A})
assert.NoError(t, err)
tag.ClearAllTags()
buffy := new(bytes.Buffer)
err = SaveTag(tag, buffy)
assert.NoError(t, err)
r = bytes.NewReader(buffy.Bytes())
tag, err = Open(r, ParseOptions{M4A})
assert.NoError(t, err)
tag.SetArtist("TestArtist1")
tag.SetTitle("TestTitle1")
tag.SetAlbum("TestAlbum1")
p, err := filepath.Abs("./testdata/withAlbumArt/testdata-img-1.jpg")
assert.NoError(t, err)
err = tag.SetAlbumArtFromFilePath(p)
assert.NoError(t, err)
buffy = new(bytes.Buffer)
err = SaveTag(tag, buffy)
assert.NoError(t, err)
r = bytes.NewReader(buffy.Bytes())
tag, err = Open(r, ParseOptions{M4A})
assert.NoError(t, err)
assert.Equal(t, tag.Artist(), "TestArtist1")
assert.Equal(t, tag.Album(), "TestAlbum1")
assert.Equal(t, tag.Title(), "TestTitle1")
tag.SetArtist("TestArtist2")
buffy = new(bytes.Buffer)
err = SaveTag(tag, buffy)
assert.NoError(t, err)
r = bytes.NewReader(buffy.Bytes())
tag, err = Open(r, ParseOptions{M4A})
assert.NoError(t, err)
assert.Equal(t, tag.Artist(), "TestArtist2")
assert.Equal(t, tag.Album(), "TestAlbum1")
assert.Equal(t, tag.Title(), "TestTitle1")
})
t.Run("TestUpdateTagsM4A-file", func(t *testing.T) {
err := os.Mkdir("testdata/temp", 0755)
assert.NoError(t, err)
of, err := os.ReadFile("testdata/testdata-m4a-nonEmpty.m4a")
assert.NoError(t, err)
err = os.WriteFile("testdata/temp/testdata-m4a-nonEmpty.m4a", of, 0755)
assert.NoError(t, err)
path, _ := filepath.Abs("testdata/temp/testdata-m4a-nonEmpty.m4a")
f, err := os.Open(path)
assert.NoError(t, err)
defer f.Close()
tag, err := Open(f, ParseOptions{M4A})
assert.NoError(t, err)
tag.SetArtist("TestArtist1")
tag.SetTitle("TestTitle1")
tag.SetAlbum("TestAlbum1")
p, err := filepath.Abs("./testdata/withAlbumArt/testdata-img-1.jpg")
assert.NoError(t, err)
err = tag.SetAlbumArtFromFilePath(p)
assert.NoError(t, err)
err = SaveTag(tag, f)
assert.NoError(t, err)
_, err = f.Seek(0, io.SeekStart)
assert.NoError(t, err)
tag, err = Open(f, ParseOptions{M4A})
assert.NoError(t, err)
assert.Equal(t, tag.Artist(), "TestArtist1")
assert.Equal(t, tag.Album(), "TestAlbum1")
assert.Equal(t, tag.Title(), "TestTitle1")
tag.SetArtist("TestArtist2")
err = SaveTag(tag, f)
assert.NoError(t, err)
_, err = f.Seek(0, io.SeekStart)
assert.NoError(t, err)
tag, err = Open(f, ParseOptions{M4A})
assert.NoError(t, err)
f.Close()
err = os.RemoveAll("testdata/temp")
assert.NoError(t, err)
assert.Equal(t, tag.Artist(), "TestArtist2")
assert.Equal(t, tag.Album(), "TestAlbum1")
assert.Equal(t, tag.Title(), "TestTitle1")
})
t.Run("TestNoChangeM4A-file", func(t *testing.T) {
err := os.Mkdir("testdata/temp", 0755)
assert.NoError(t, err)
of, err := os.ReadFile("testdata/withAlbumArt/test1.m4a")
assert.NoError(t, err)
err = os.WriteFile("testdata/temp/test1.m4a", of, 0755)
assert.NoError(t, err)
path, _ := filepath.Abs("testdata/temp/test1.m4a")
f, err := os.Open(path)
assert.NoError(t, err)
defer f.Close()
tag, err := Open(f, ParseOptions{M4A})
assert.NoError(t, err)
err = SaveTag(tag, f)
assert.NoError(t, err)
_, err = f.Seek(0, io.SeekStart)
assert.NoError(t, err)
tag, err = Open(f, ParseOptions{M4A})
assert.NoError(t, err)
err = os.RemoveAll("testdata/temp")
assert.NoError(t, err)
assert.Equal(t, tag.Artist(), "test1")
assert.Equal(t, tag.Album(), "test1")
assert.Equal(t, tag.Title(), "test1")
})
}
func TestFLAC(t *testing.T) {
t.Run("TestWriteEmptyTagsFLAC-buffers", func(t *testing.T) {
path, _ := filepath.Abs("testdata/testdata-flac-nonEmpty.flac")
f, err := os.Open(path)
assert.NoError(t, err)
b, err := io.ReadAll(f)
assert.NoError(t, err)
r := bytes.NewReader(b)
tag, err := parse(r, ParseOptions{FLAC})
assert.NoError(t, err)
tag.ClearAllTags()
buffy := new(bytes.Buffer)
err = SaveTag(tag, buffy)
assert.NoError(t, err)
r = bytes.NewReader(buffy.Bytes())
tag, err = parse(r, ParseOptions{FLAC})
assert.NoError(t, err)
assert.Empty(t, tag.Artist())
assert.Empty(t, tag.Album())
assert.Empty(t, tag.Title())
})
t.Run("TestWriteEmptyTagsFLAC-file", func(t *testing.T) {
err := os.Mkdir("testdata/temp", 0755)
assert.NoError(t, err)
of, err := os.ReadFile("testdata/testdata-flac-nonEmpty.flac")
assert.NoError(t, err)
err = os.WriteFile("testdata/temp/testdata-flac-nonEmpty.flac", of, 0755)
assert.NoError(t, err)
path, _ := filepath.Abs("testdata/temp/testdata-flac-nonEmpty.flac")
f, err := os.OpenFile(path, os.O_RDONLY, 0755)
assert.NoError(t, err)
defer f.Close()
tag, err := Open(f, ParseOptions{FLAC})
assert.NoError(t, err)
tag.ClearAllTags()
err = SaveTag(tag, f)
assert.NoError(t, err)
_, err = f.Seek(0, io.SeekStart)
assert.NoError(t, err)
tag, err = Open(f, ParseOptions{FLAC})
assert.NoError(t, err)
f.Close()
err = os.RemoveAll("testdata/temp")
assert.NoError(t, err)
assert.Empty(t, tag.Artist())
assert.Empty(t, tag.Album())
assert.Empty(t, tag.Title())
})
t.Run("TestWriteTagsFLACFromEmpty-buffers", func(t *testing.T) {
path, _ := filepath.Abs("testdata/testdata-flac-nonEmpty.flac")
f, err := os.Open(path)
assert.NoError(t, err)
defer f.Close()
b, err := io.ReadAll(f)
assert.NoError(t, err)
r := bytes.NewReader(b)
tag, err := Open(r, ParseOptions{FLAC})
assert.NoError(t, err)
tag.ClearAllTags()
buffy := new(bytes.Buffer)
err = SaveTag(tag, buffy)
assert.NoError(t, err)
r = bytes.NewReader(buffy.Bytes())
tag, err = Open(r, ParseOptions{FLAC})
assert.NoError(t, err)
tag.SetArtist("TestArtist1")
tag.SetTitle("TestTitle1")
tag.SetAlbum("TestAlbum1")
p, err := filepath.Abs("./testdata/withAlbumArt/testdata-img-1.jpg")
assert.NoError(t, err)
err = tag.SetAlbumArtFromFilePath(p)
assert.NoError(t, err)
buffy = new(bytes.Buffer)
err = SaveTag(tag, buffy)
assert.NoError(t, err)
r = bytes.NewReader(buffy.Bytes())
tag, err = Open(r, ParseOptions{FLAC})
assert.NoError(t, err)
assert.Equal(t, tag.Artist(), "TestArtist1")
assert.Equal(t, tag.Album(), "TestAlbum1")
assert.Equal(t, tag.Title(), "TestTitle1")
picFile, err := os.Open(p)
assert.NoError(t, err)
picData, _, err := image.Decode(picFile)
assert.NoError(t, err)
img1data := image_2_array_at(picData)
img2data := image_2_array_at(*tag.albumArt)
assert.True(t, compareImages(img1data, img2data))
})
t.Run("TestWriteTagsFLACFromEmpty-file", func(t *testing.T) {
err := os.Mkdir("testdata/temp", 0755)
assert.NoError(t, err)
of, err := os.ReadFile("testdata/testdata-flac-nonEmpty.flac")
assert.NoError(t, err)
err = os.WriteFile("testdata/temp/testdata-flac-nonEmpty.flac", of, 0755)
assert.NoError(t, err)
path, _ := filepath.Abs("testdata/temp/testdata-flac-nonEmpty.flac")
f, err := os.Open(path)
assert.NoError(t, err)
defer f.Close()
tag, err := Open(f, ParseOptions{FLAC})
assert.NoError(t, err)
tag.SetArtist("TestArtist1")
tag.SetTitle("TestTitle1")
tag.SetAlbum("TestAlbum1")
p, err := filepath.Abs("./testdata/withAlbumArt/testdata-img-1.jpg")
assert.NoError(t, err)
err = tag.SetAlbumArtFromFilePath(p)
assert.NoError(t, err)
err = SaveTag(tag, f)
assert.NoError(t, err)
_, err = f.Seek(0, io.SeekStart)
assert.NoError(t, err)
tag, err = Open(f, ParseOptions{FLAC})
assert.NoError(t, err)
err = os.RemoveAll("testdata/temp")
assert.NoError(t, err)
assert.Equal(t, tag.Artist(), "TestArtist1")
assert.Equal(t, tag.Album(), "TestAlbum1")
assert.Equal(t, tag.Title(), "TestTitle1")
picFile, err := os.Open(p)
assert.NoError(t, err)
picData, _, err := image.Decode(picFile)
assert.NoError(t, err)
img1data := image_2_array_at(picData)
img2data := image_2_array_at(*tag.albumArt)
assert.True(t, compareImages(img1data, img2data))
})
t.Run("TestUpdateTagsFLAC-buffers", func(t *testing.T) {
path, _ := filepath.Abs("testdata/testdata-flac-nonEmpty.flac")
f, err := os.Open(path)
assert.NoError(t, err)
defer f.Close()
b, err := io.ReadAll(f)
assert.NoError(t, err)
r := bytes.NewReader(b)
tag, err := Open(r, ParseOptions{FLAC})
assert.NoError(t, err)
tag.ClearAllTags()
buffy := new(bytes.Buffer)
err = SaveTag(tag, buffy)
assert.NoError(t, err)
r = bytes.NewReader(buffy.Bytes())
tag, err = Open(r, ParseOptions{FLAC})
assert.NoError(t, err)
tag.SetArtist("TestArtist1")
tag.SetTitle("TestTitle1")
tag.SetAlbum("TestAlbum1")
buffy = new(bytes.Buffer)
err = SaveTag(tag, buffy)
assert.NoError(t, err)
r = bytes.NewReader(buffy.Bytes())
tag, err = Open(r, ParseOptions{FLAC})
assert.NoError(t, err)
assert.Equal(t, tag.Artist(), "TestArtist1")
assert.Equal(t, tag.Album(), "TestAlbum1")
assert.Equal(t, tag.Title(), "TestTitle1")
tag.SetArtist("TestArtist2")
buffy = new(bytes.Buffer)
err = SaveTag(tag, buffy)
assert.NoError(t, err)
r = bytes.NewReader(buffy.Bytes())
tag, err = Open(r, ParseOptions{FLAC})
assert.NoError(t, err)
assert.Equal(t, tag.Artist(), "TestArtist2")
assert.Equal(t, tag.Album(), "TestAlbum1")
assert.Equal(t, tag.Title(), "TestTitle1")
})
t.Run("TestUpdateTagsFLAC-file", func(t *testing.T) {
err := os.Mkdir("testdata/temp", 0755)
assert.NoError(t, err)
of, err := os.ReadFile("testdata/testdata-flac-nonEmpty.flac")
assert.NoError(t, err)
err = os.WriteFile("testdata/temp/testdata-flac-nonEmpty.flac", of, 0755)
assert.NoError(t, err)
path, _ := filepath.Abs("testdata/temp/testdata-flac-nonEmpty.flac")
f, err := os.Open(path)
assert.NoError(t, err)
defer f.Close()
tag, err := Open(f, ParseOptions{FLAC})
assert.NoError(t, err)
tag.SetArtist("TestArtist1")
tag.SetTitle("TestTitle1")
tag.SetAlbum("TestAlbum1")
err = SaveTag(tag, f)
assert.NoError(t, err)
_, err = f.Seek(0, io.SeekStart)
assert.NoError(t, err)
tag, err = Open(f, ParseOptions{FLAC})
assert.NoError(t, err)
assert.Equal(t, tag.Artist(), "TestArtist1")
assert.Equal(t, tag.Album(), "TestAlbum1")
assert.Equal(t, tag.Title(), "TestTitle1")
tag.SetArtist("TestArtist2")
err = SaveTag(tag, f)
assert.NoError(t, err)
_, err = f.Seek(0, io.SeekStart)
assert.NoError(t, err)
tag, err = Open(f, ParseOptions{FLAC})
assert.NoError(t, err)
f.Close()
err = os.RemoveAll("testdata/temp")
assert.NoError(t, err)
assert.Equal(t, tag.Artist(), "TestArtist2")
assert.Equal(t, tag.Album(), "TestAlbum1")
assert.Equal(t, tag.Title(), "TestTitle1")
})
}
func TestOggVorbis(t *testing.T) {
t.Run("TestWriteEmptyTagsOggVorbis-buffers", func(t *testing.T) {
path, _ := filepath.Abs("testdata/testdata-ogg-vorbis-nonEmpty.ogg")
f, err := os.Open(path)
assert.NoError(t, err)
b, err := io.ReadAll(f)
assert.NoError(t, err)
r := bytes.NewReader(b)
tag, err := parse(r, ParseOptions{OGG})
assert.NoError(t, err)
tag.ClearAllTags()
buffy := new(bytes.Buffer)
err = SaveTag(tag, buffy)
assert.NoError(t, err)
r = bytes.NewReader(buffy.Bytes())
tag, err = parse(r, ParseOptions{OGG})
assert.NoError(t, err)
assert.Empty(t, tag.Artist())
assert.Empty(t, tag.Album())
assert.Empty(t, tag.Title())
})
t.Run("TestWriteEmptyTagsOggVorbis-file", func(t *testing.T) {
err := os.Mkdir("testdata/temp", 0755)
assert.NoError(t, err)
of, err := os.ReadFile("testdata/testdata-ogg-vorbis-nonEmpty.ogg")
assert.NoError(t, err)
err = os.WriteFile("testdata/temp/testdata-ogg-vorbis-nonEmpty.ogg", of, 0755)
assert.NoError(t, err)
path, _ := filepath.Abs("testdata/temp/testdata-ogg-vorbis-nonEmpty.ogg")
f, err := os.OpenFile(path, os.O_RDONLY, 0755)
assert.NoError(t, err)
defer f.Close()
tag, err := Open(f, ParseOptions{OGG})
assert.NoError(t, err)
tag.ClearAllTags()
err = SaveTag(tag, f)
assert.NoError(t, err)
_, err = f.Seek(0, io.SeekStart)
assert.NoError(t, err)
tag, err = Open(f, ParseOptions{OGG})
assert.NoError(t, err)
f.Close()
err = os.RemoveAll("testdata/temp")
assert.NoError(t, err)
assert.Empty(t, tag.Artist())
assert.Empty(t, tag.Album())
assert.Empty(t, tag.Title())
})
t.Run("TestWriteTagsOggVorbisFromEmpty-buffers", func(t *testing.T) {
path, _ := filepath.Abs("testdata/testdata-ogg-vorbis-nonEmpty.ogg")
f, err := os.Open(path)
assert.NoError(t, err)
defer f.Close()
b, err := io.ReadAll(f)
assert.NoError(t, err)
r := bytes.NewReader(b)
tag, err := Open(r, ParseOptions{OGG})
assert.NoError(t, err)
tag.ClearAllTags()
buffy := new(bytes.Buffer)
err = SaveTag(tag, buffy)
assert.NoError(t, err)
r = bytes.NewReader(buffy.Bytes())
tag, err = Open(r, ParseOptions{OGG})
assert.NoError(t, err)
tag.SetArtist("TestArtist1")
tag.SetTitle("TestTitle1")
tag.SetAlbum("TestAlbum1")
tag.SetGenre("Trap")
tag.SetDate("2024-06-01")
tag.SetAlbumArtist("a talented guy")
tag.SetComments("I wrote some comments about your song")
tag.SetPublisher("I am the publisher")
tag.SetCopyrightMsg("hey please don't steal")
tag.SetComposer("someone composed I suppose")
p, err := filepath.Abs("./testdata/withAlbumArt/testdata-img-1.jpg")
assert.NoError(t, err)
err = tag.SetAlbumArtFromFilePath(p)
assert.NoError(t, err)
buffy = new(bytes.Buffer)
err = SaveTag(tag, buffy)
assert.NoError(t, err)
r = bytes.NewReader(buffy.Bytes())
tag, err = Open(r, ParseOptions{OGG})
assert.NoError(t, err)
assert.Equal(t, tag.Artist(), "TestArtist1")
assert.Equal(t, tag.Album(), "TestAlbum1")
assert.Equal(t, tag.Title(), "TestTitle1")
assert.Equal(t, tag.Genre(), "Trap")
assert.Equal(t, tag.Date(), "2024-06-01")
assert.Equal(t, tag.AlbumArtist(), "a talented guy")
assert.Equal(t, tag.Comments(), "I wrote some comments about your song")
assert.Equal(t, tag.Publisher(), "I am the publisher")
assert.Equal(t, tag.CopyrightMsg(), "hey please don't steal")
assert.Equal(t, tag.Composer(), "someone composed I suppose")
picFile, err := os.Open(p)
assert.NoError(t, err)
picData, _, err := image.Decode(picFile)
assert.NoError(t, err)
img1data := image_2_array_at(picData)
img2data := image_2_array_at(*tag.albumArt)
assert.True(t, compareImages(img1data, img2data))
})
t.Run("TestWriteTagsOggVorbisFromEmpty-file", func(t *testing.T) {
err := os.Mkdir("testdata/temp", 0755)
assert.NoError(t, err)
of, err := os.ReadFile("testdata/testdata-ogg-vorbis-nonEmpty.ogg")
assert.NoError(t, err)
err = os.WriteFile("testdata/temp/testdata-ogg-vorbis-nonEmpty.ogg", of, 0755)
assert.NoError(t, err)
path, _ := filepath.Abs("testdata/temp/testdata-ogg-vorbis-nonEmpty.ogg")
f, err := os.Open(path)
assert.NoError(t, err)
defer f.Close()
tag, err := Open(f, ParseOptions{OGG})
assert.NoError(t, err)
tag.SetArtist("TestArtist1")
tag.SetTitle("TestTitle1")
tag.SetAlbum("TestAlbum1")
p, err := filepath.Abs("./testdata/withAlbumArt/testdata-img-1.jpg")
assert.NoError(t, err)
err = tag.SetAlbumArtFromFilePath(p)
assert.NoError(t, err)
err = SaveTag(tag, f)
assert.NoError(t, err)
_, err = f.Seek(0, io.SeekStart)
assert.NoError(t, err)
tag, err = Open(f, ParseOptions{OGG})
assert.NoError(t, err)
err = os.RemoveAll("testdata/temp")
assert.NoError(t, err)
assert.Equal(t, tag.Artist(), "TestArtist1")
assert.Equal(t, tag.Album(), "TestAlbum1")
assert.Equal(t, tag.Title(), "TestTitle1")
picFile, err := os.Open(p)
assert.NoError(t, err)
picData, _, err := image.Decode(picFile)
assert.NoError(t, err)
img1data := image_2_array_at(picData)
img2data := image_2_array_at(*tag.albumArt)
assert.True(t, compareImages(img1data, img2data))
})
t.Run("TestUpdateTagsOggVorbis-buffers", func(t *testing.T) {
path, _ := filepath.Abs("testdata/testdata-ogg-vorbis-nonEmpty.ogg")
f, err := os.Open(path)
assert.NoError(t, err)
defer f.Close()
b, err := io.ReadAll(f)
assert.NoError(t, err)
r := bytes.NewReader(b)
tag, err := Open(r, ParseOptions{OGG})
assert.NoError(t, err)
tag.ClearAllTags()
buffy := new(bytes.Buffer)
err = SaveTag(tag, buffy)
assert.NoError(t, err)
r = bytes.NewReader(buffy.Bytes())
tag, err = Open(r, ParseOptions{OGG})
assert.NoError(t, err)
tag.SetArtist("TestArtist1")
tag.SetTitle("TestTitle1")
tag.SetAlbum("TestAlbum1")
p, err := filepath.Abs("./testdata/withAlbumArt/testdata-img-1.jpg")
assert.NoError(t, err)
err = tag.SetAlbumArtFromFilePath(p)
assert.NoError(t, err)
buffy = new(bytes.Buffer)
err = SaveTag(tag, buffy)
assert.NoError(t, err)
r = bytes.NewReader(buffy.Bytes())
tag, err = Open(r, ParseOptions{OGG})
assert.NoError(t, err)
assert.Equal(t, tag.Artist(), "TestArtist1")
assert.Equal(t, tag.Album(), "TestAlbum1")
assert.Equal(t, tag.Title(), "TestTitle1")
tag.SetArtist("TestArtist2")
buffy = new(bytes.Buffer)
err = SaveTag(tag, buffy)
assert.NoError(t, err)
r = bytes.NewReader(buffy.Bytes())
tag, err = Open(r, ParseOptions{OGG})
assert.NoError(t, err)
assert.Equal(t, tag.Artist(), "TestArtist2")
assert.Equal(t, tag.Album(), "TestAlbum1")
assert.Equal(t, tag.Title(), "TestTitle1")
picFile, err := os.Open(p)
assert.NoError(t, err)
picData, _, err := image.Decode(picFile)
assert.NoError(t, err)
img1data := image_2_array_at(picData)
img2data := image_2_array_at(*tag.albumArt)
assert.True(t, compareImages(img1data, img2data))