package scanner
import (
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
var _ = Describe("Metadata", func() {
// TODO Need to mock `ffmpeg`
XContext("ExtractAllMetadata", func() {
It("correctly parses metadata from all files in folder", func() {
mds, err := ExtractAllMetadata([]string{"tests/fixtures/test.mp3", "tests/fixtures/test.ogg"})
Expect(err).NotTo(HaveOccurred())
Expect(mds).To(HaveLen(2))
m := mds["tests/fixtures/test.mp3"]
Expect(m.Title()).To(Equal("Song"))
Expect(m.Album()).To(Equal("Album"))
Expect(m.Artist()).To(Equal("Artist"))
Expect(m.AlbumArtist()).To(Equal("Album Artist"))
Expect(m.Composer()).To(Equal("Composer"))
Expect(m.Compilation()).To(BeTrue())
Expect(m.Genre()).To(Equal("Rock"))
Expect(m.Year()).To(Equal(2014))
n, t := m.TrackNumber()
Expect(n).To(Equal(2))
Expect(t).To(Equal(10))
n, t = m.DiscNumber()
Expect(n).To(Equal(1))
Expect(t).To(Equal(2))
Expect(m.HasPicture()).To(BeTrue())
Expect(m.Duration()).To(Equal(1))
Expect(m.BitRate()).To(Equal(476))
Expect(m.FilePath()).To(Equal("tests/fixtures/test.mp3"))
Expect(m.Suffix()).To(Equal("mp3"))
Expect(m.Size()).To(Equal(60845))
m = mds["tests/fixtures/test.ogg"]
Expect(err).To(BeNil())
Expect(m.Title()).To(BeEmpty())
Expect(m.HasPicture()).To(BeFalse())
Expect(m.Duration()).To(Equal(3))
Expect(m.BitRate()).To(Equal(9))
Expect(m.Suffix()).To(Equal("ogg"))
Expect(m.FilePath()).To(Equal("tests/fixtures/test.ogg"))
Expect(m.Size()).To(Equal(4408))
})
})
Context("LoadAllAudioFiles", func() {
It("return all audiofiles from the folder", func() {
files, err := LoadAllAudioFiles("tests/fixtures")
Expect(err).ToNot(HaveOccurred())
Expect(files).To(HaveLen(3))
Expect(files).To(HaveKey("tests/fixtures/test.ogg"))
Expect(files).To(HaveKey("tests/fixtures/test.mp3"))
Expect(files).To(HaveKey("tests/fixtures/01 Invisible (RED) Edit Version.mp3"))
})
It("returns error if path does not exist", func() {
_, err := LoadAllAudioFiles("./INVALID/PATH")
Expect(err).To(HaveOccurred())
})
It("returns empty map if there are no audio files in path", func() {
Expect(LoadAllAudioFiles("tests/fixtures/empty_folder")).To(BeEmpty())
})
})
Context("extractMetadata", func() {
It("detects embedded cover art correctly", func() {
const output = `
Input #0, mp3, from '/Users/deluan/Music/iTunes/iTunes Media/Music/Compilations/Putumayo Presents Blues Lounge/09 Pablo's Blues.mp3':
Metadata:
compilation : 1
Duration: 00:00:01.02, start: 0.000000, bitrate: 477 kb/s
Stream #0:0: Audio: mp3, 44100 Hz, stereo, fltp, 192 kb/s
Stream #0:1: Video: mjpeg, yuvj444p(pc, bt470bg/unknown/unknown), 600x600 [SAR 1:1 DAR 1:1], 90k tbr, 90k tbn, 90k tbc`
md, _ := extractMetadata("tests/fixtures/test.mp3", output)
Expect(md.HasPicture()).To(BeTrue())
})
It("detects embedded cover art in ogg containers", func() {
const output = `
Input #0, ogg, from '/Users/deluan/Music/iTunes/iTunes Media/Music/_Testes/Jamaican In New York/01-02 Jamaican In New York (Album Version).opus':
Duration: 00:04:28.69, start: 0.007500, bitrate: 139 kb/s
Stream #0:0(eng): Audio: opus, 48000 Hz, stereo, fltp
Metadata:
ALBUM : Jamaican In New York
metadata_block_picture: AAAAAwAAAAppbWFnZS9qcGVnAAAAAAAAAAAAAAAAAAAAAAAAAAAAA4Id/9j/4AAQSkZJRgABAQEAYABgAAD/2wBDAAMCAgMCAgMDAwMEAwMEBQgFBQQEBQoHBwYIDAoMDAsKCwsNDhIQDQ4RDgsLEBYQERMUFRUVDA8XGBYUGBIUFRT/2wBDAQMEBAUEBQkFBQkUDQsNFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQ
TITLE : Jamaican In New York (Album Version)`
md, _ := extractMetadata("tests/fixtures/test.mp3", output)
Expect(md.HasPicture()).To(BeTrue())
})
It("gets bitrate from the stream, if available", func() {
const output = `
Input #0, mp3, from '/Users/deluan/Music/iTunes/iTunes Media/Music/Compilations/Putumayo Presents Blues Lounge/09 Pablo's Blues.mp3':
Duration: 00:00:01.02, start: 0.000000, bitrate: 477 kb/s
Stream #0:0: Audio: mp3, 44100 Hz, stereo, fltp, 192 kb/s`
md, _ := extractMetadata("tests/fixtures/test.mp3", output)
Expect(md.BitRate()).To(Equal(192))
})
It("parses correctly the compilation tag", func() {
const output = `
Input #0, mp3, from '/Users/deluan/Music/iTunes/iTunes Media/Music/Compilations/Putumayo Presents Blues Lounge/09 Pablo's Blues.mp3':
Metadata:
compilation : 1
Duration: 00:05:02.63, start: 0.000000, bitrate: 140 kb/s`
md, _ := extractMetadata("tests/fixtures/test.mp3", output)
Expect(md.Compilation()).To(BeTrue())
})
It("parses duration with milliseconds", func() {
const output = `
Input #0, mp3, from '/Users/deluan/Music/iTunes/iTunes Media/Music/Compilations/Putumayo Presents Blues Lounge/09 Pablo's Blues.mp3':
Duration: 00:05:02.63, start: 0.000000, bitrate: 140 kb/s`
md, _ := extractMetadata("tests/fixtures/test.mp3", output)
Expect(md.Duration()).To(BeNumerically("~", 302.63, 0.001))
})
It("parses stream level tags", func() {
const output = `
Input #0, ogg, from './01-02 Drive (Teku).opus':
Metadata:
ALBUM : Hot Wheels Acceleracers Soundtrack
Duration: 00:03:37.37, start: 0.007500, bitrate: 135 kb/s
Stream #0:0(eng): Audio: opus, 48000 Hz, stereo, fltp
Metadata:
TITLE : Drive (Teku)`
md, _ := extractMetadata("tests/fixtures/test.mp3", output)
Expect(md.Title()).To(Equal("Drive (Teku)"))
})
It("does not overlap top level tags with the stream level tags", func() {
const output = `
Input #0, mp3, from 'groovin.mp3':
Metadata:
title : Groovin' (feat. Daniel Sneijers, Susanne Alt)
Duration: 00:03:34.28, start: 0.025056, bitrate: 323 kb/s
Metadata:
title : garbage`
md, _ := extractMetadata("tests/fixtures/test.mp3", output)
Expect(md.Title()).To(Equal("Groovin' (feat. Daniel Sneijers, Susanne Alt)"))
})
It("ignores case in the tag name", func() {
const output = `
Input #0, flac, from '/Users/deluan/Downloads/06. Back In Black.flac':
Metadata:
ALBUM : Back In Black
DATE : 1980.07.25
disc : 1
GENRE : Hard Rock
TITLE : Back In Black
DISCTOTAL : 1
TRACKTOTAL : 10
track : 6
Duration: 00:04:16.00, start: 0.000000, bitrate: 995 kb/s`
md, _ := extractMetadata("tests/fixtures/test.mp3", output)
Expect(md.Title()).To(Equal("Back In Black"))
Expect(md.Album()).To(Equal("Back In Black"))
Expect(md.Genre()).To(Equal("Hard Rock"))
n, t := md.TrackNumber()
Expect(n).To(Equal(6))
Expect(t).To(Equal(10))
n, t = md.DiscNumber()
Expect(n).To(Equal(1))
Expect(t).To(Equal(1))
Expect(md.Year()).To(Equal(1980))
})
// TODO Handle multiline tags
XIt("parses multiline tags", func() {
const outputWithMultilineComment = `
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'modulo.m4a':
Metadata:
comment : https://www.mixcloud.com/codigorock/30-minutos-com-saara-saara/
:
: Tracklist:
:
: 01. Saara Saara
: 02. Carta Corrente
: 03. X
: 04. Eclipse Lunar
: 05. Vírus de Sírius
: 06. Doktor Fritz
: 07. Wunderbar
: 08. Quarta Dimensão
Duration: 00:26:46.96, start: 0.052971, bitrate: 69 kb/s`
const expectedComment = `https://www.mixcloud.com/codigorock/30-minutos-com-saara-saara/
Tracklist:
01. Saara Saara
02. Carta Corrente
03. X
04. Eclipse Lunar
05. Vírus de Sírius
06. Doktor Fritz
07. Wunderbar
08. Quarta Dimensão
`
md, _ := extractMetadata("tests/fixtures/test.mp3", outputWithMultilineComment)
Expect(md.Comment()).To(Equal(expectedComment))
})
It("parses sort tags correctly", func() {
const output = `
Input #0, mp3, from '/Users/deluan/Downloads/椎名林檎 - 加爾基 精液 栗ノ花 - 2003/02 - ドツペルゲンガー.mp3':
Metadata:
title-sort : Dopperugengā
album : 加爾基 精液 栗ノ花
artist : 椎名林檎
album_artist : 椎名林檎
title : ドツペルゲンガー
albumsort : Kalk Samen Kuri No Hana
artist_sort : Shiina, Ringo
ALBUMARTISTSORT : Shiina, Ringo
`
md, _ := extractMetadata("tests/fixtures/test.mp3", output)
Expect(md.Title()).To(Equal("ドツペルゲンガー"))
Expect(md.Album()).To(Equal("加爾基 精液 栗ノ花"))
Expect(md.Artist()).To(Equal("椎名林檎"))
Expect(md.AlbumArtist()).To(Equal("椎名林檎"))
Expect(md.SortTitle()).To(Equal("Dopperugengā"))
Expect(md.SortAlbum()).To(Equal("Kalk Samen Kuri No Hana"))
Expect(md.SortArtist()).To(Equal("Shiina, Ringo"))
Expect(md.SortAlbumArtist()).To(Equal("Shiina, Ringo"))
})
})
Context("parseYear", func() {
It("parses the year correctly", func() {
var examples = map[string]int{
"1985": 1985,
"2002-01": 2002,
"1969.06": 1969,
"1980.07.25": 1980,
"2004-00-00": 2004,
"2013-May-12": 2013,
"May 12, 2016": 0,
}
for tag, expected := range examples {
md := &Metadata{tags: map[string]string{"date": tag}}
Expect(md.Year()).To(Equal(expected))
}
})
It("returns 0 if year is invalid", func() {
md := &Metadata{tags: map[string]string{"date": "invalid"}}
Expect(md.Year()).To(Equal(0))
})
})
It("creates a valid command line", func() {
args := createProbeCommand([]string{"/music library/one.mp3", "/music library/two.mp3"})
Expect(args).To(Equal([]string{"ffmpeg", "-i", "/music library/one.mp3", "-i", "/music library/two.mp3", "-f", "ffmetadata"}))
})
})