119 lines
2.7 KiB
Go
119 lines
2.7 KiB
Go
// Copyright 2015, David Howden
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package tag
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import (
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"os"
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"testing"
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)
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type testMetadata struct {
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Album string
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AlbumArtist string
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Artist string
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Comment string
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Composer string
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Disc int
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DiscTotal int
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Genre string
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Lyrics string
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Title string
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Track int
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TrackTotal int
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Year int
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}
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var emptyMetadata = testMetadata{}
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var fullMetadata = testMetadata{
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Album: "Test Album",
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AlbumArtist: "Test AlbumArtist",
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Artist: "Test Artist",
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Composer: "Test Composer",
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Disc: 2,
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DiscTotal: 0,
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Genre: "Jazz",
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Lyrics: "",
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Title: "Test Title",
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Track: 3,
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TrackTotal: 6,
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Year: 2000,
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}
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var mp3id3v11Metadata = testMetadata{
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Album: "Test Album",
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Artist: "Test Artist",
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Genre: "Jazz",
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Lyrics: "",
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Title: "Test Title",
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Track: 3,
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Year: 2000,
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}
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func TestReadFrom(t *testing.T) {
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testdata := map[string]testMetadata{
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"with_tags/sample.flac": fullMetadata,
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"with_tags/sample.id3v11.mp3": mp3id3v11Metadata,
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"with_tags/sample.id3v22.mp3": fullMetadata,
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"with_tags/sample.id3v23.mp3": fullMetadata,
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"with_tags/sample.id3v24.mp3": fullMetadata,
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"with_tags/sample.m4a": fullMetadata,
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"with_tags/sample.mp4": fullMetadata,
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"without_tags/sample.flac": emptyMetadata,
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"without_tags/sample.m4a": emptyMetadata,
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"without_tags/sample.mp3": emptyMetadata,
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"without_tags/sample.mp4": emptyMetadata,
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}
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for path, metadata := range testdata {
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if err := test(t, path, metadata); err != nil {
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// mp3 id3v11 returns an err if it doesn't find any tags
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if err != ErrNoTagsFound && path != "without_tags/sample.mp3" {
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t.Error(err)
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}
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}
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}
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}
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func test(t *testing.T, path string, metadata testMetadata) error {
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f, err := os.Open("testdata/" + path)
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if err != nil {
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return err
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}
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defer f.Close()
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m, err := ReadFrom(f)
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if err != nil {
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return err
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}
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compareMetadata(t, m, metadata)
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return nil
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}
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func compareMetadata(t *testing.T, m Metadata, tt testMetadata) {
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testValue(t, tt.Album, m.Album())
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testValue(t, tt.AlbumArtist, m.AlbumArtist())
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testValue(t, tt.Artist, m.Artist())
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testValue(t, tt.Composer, m.Composer())
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testValue(t, tt.Genre, m.Genre())
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testValue(t, tt.Lyrics, m.Lyrics())
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testValue(t, tt.Title, m.Title())
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testValue(t, tt.Year, m.Year())
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disc, discTotal := m.Disc()
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testValue(t, tt.Disc, disc)
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testValue(t, tt.DiscTotal, discTotal)
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track, trackTotal := m.Track()
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testValue(t, tt.Track, track)
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testValue(t, tt.TrackTotal, trackTotal)
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}
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func testValue(t *testing.T, expected interface{}, found interface{}) {
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if expected != found {
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t.Errorf("expected '%v', found '%v'", expected, found)
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}
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}
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