navidrome/core/artwork/disc_test.go

493 lines
16 KiB
Go

package artwork
import (
"context"
"os"
"path/filepath"
"github.com/navidrome/navidrome/model"
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
)
var _ = Describe("Disc Artwork Reader", func() {
Describe("extractDiscNumber", func() {
DescribeTable("extracts disc number from filename based on glob pattern",
func(pattern, filename string, expectedNum int, expectedOk bool) {
num, ok := extractDiscNumber(pattern, filename)
Expect(ok).To(Equal(expectedOk))
if expectedOk {
Expect(num).To(Equal(expectedNum))
}
},
// Standard disc patterns
Entry("disc1.jpg", "disc*.*", "disc1.jpg", 1, true),
Entry("disc2.png", "disc*.*", "disc2.png", 2, true),
Entry("disc01.jpg", "disc*.*", "disc01.jpg", 1, true),
Entry("disc02.png", "disc*.*", "disc02.png", 2, true),
Entry("disc10.jpg", "disc*.*", "disc10.jpg", 10, true),
// CD patterns
Entry("cd1.jpg", "cd*.*", "cd1.jpg", 1, true),
Entry("cd02.png", "cd*.*", "cd02.png", 2, true),
// No number in filename
Entry("disc.jpg has no number", "disc*.*", "disc.jpg", 0, false),
Entry("cd.jpg has no number", "cd*.*", "cd.jpg", 0, false),
// Extra text after number
Entry("disc2-bonus.jpg", "disc*.*", "disc2-bonus.jpg", 2, true),
Entry("disc01_front.png", "disc*.*", "disc01_front.png", 1, true),
// Case insensitive (filename already lowered by caller)
Entry("Disc1.jpg lowered", "disc*.*", "disc1.jpg", 1, true),
// HasPrefix guard: filename doesn't share the pattern's literal prefix
Entry("cover.jpg with disc*.* (no prefix match)", "disc*.*", "cover.jpg", 0, false),
// Pattern with no wildcard before dot
Entry("front1.jpg with front*.*", "front*.*", "front1.jpg", 1, true),
// '?' single-char wildcard
Entry("disc?.jpg with disc1.jpg", "disc?.jpg", "disc1.jpg", 1, true),
Entry("disc?.jpg with disc2.jpg", "disc?.jpg", "disc2.jpg", 2, true),
Entry("cd??.jpg with cd07.jpg", "cd??.jpg", "cd07.jpg", 7, true),
// '[...]' character class wildcard
Entry("cd[12].jpg with cd1.jpg", "cd[12].jpg", "cd1.jpg", 1, true),
Entry("cd[12].jpg with cd2.jpg", "cd[12].jpg", "cd2.jpg", 2, true),
Entry("disc[0-9].jpg with disc5.jpg", "disc[0-9].jpg", "disc5.jpg", 5, true),
// Literal pattern (no wildcard) returns false
Entry("shellac.png literal", "shellac.png", "shellac.png", 0, false),
)
})
Describe("fromExternalFile", func() {
var (
ctx context.Context
tmpDir string
)
BeforeEach(func() {
ctx = context.Background()
tmpDir = GinkgoT().TempDir()
})
// createFile creates the file on disk and returns its library-relative forward-slash path.
createFile := func(relPath string) string {
fullPath := filepath.Join(tmpDir, filepath.FromSlash(relPath))
Expect(os.MkdirAll(filepath.Dir(fullPath), 0755)).To(Succeed())
Expect(os.WriteFile(fullPath, []byte("image data"), 0600)).To(Succeed())
return relPath
}
// removeFile removes a library-relative file from disk.
removeFile := func(relPath string) {
Expect(os.Remove(filepath.Join(tmpDir, filepath.FromSlash(relPath)))).To(Succeed())
}
It("matches file with disc number in single-folder album", func() {
f1 := createFile("album/disc1.jpg")
f2 := createFile("album/disc2.jpg")
reader := &discArtworkReader{
discNumber: 1,
imgFiles: []string{f1, f2},
discFoldersRel: map[string]bool{"album": true},
lib: libraryView{FS: osDirFS{os.DirFS(tmpDir)}, absRoot: tmpDir},
}
sf := reader.fromExternalFile(ctx, "disc*.*")
r, path, err := sf()
Expect(err).ToNot(HaveOccurred())
Expect(r).ToNot(BeNil())
r.Close()
Expect(path).To(Equal(f1))
})
It("matches file without number in single-folder album (shared disc art)", func() {
f1 := createFile("album/cover.png")
reader := &discArtworkReader{
discNumber: 1,
imgFiles: []string{f1},
discFoldersRel: map[string]bool{"album": true},
lib: libraryView{FS: osDirFS{os.DirFS(tmpDir)}, absRoot: tmpDir},
}
sf := reader.fromExternalFile(ctx, "cover.*")
r, path, err := sf()
Expect(err).ToNot(HaveOccurred())
Expect(r).ToNot(BeNil())
r.Close()
Expect(path).To(Equal(f1))
})
It("returns shared disc art for every disc number in single-folder album", func() {
f1 := createFile("album/shellac.png")
makeReader := func(discNum int) *discArtworkReader {
return &discArtworkReader{
discNumber: discNum,
imgFiles: []string{f1},
discFoldersRel: map[string]bool{"album": true},
lib: libraryView{FS: osDirFS{os.DirFS(tmpDir)}, absRoot: tmpDir},
}
}
for _, disc := range []int{1, 2, 5} {
sf := makeReader(disc).fromExternalFile(ctx, "shellac.png")
r, path, err := sf()
Expect(err).ToNot(HaveOccurred(), "disc %d", disc)
Expect(r).ToNot(BeNil())
r.Close()
Expect(path).To(Equal(f1), "disc %d", disc)
}
})
It("numbered and unnumbered patterns both resolve against the same reader", func() {
f1 := createFile("album/cover.png")
f2 := createFile("album/disc1.jpg")
f3 := createFile("album/disc2.jpg")
reader := &discArtworkReader{
discNumber: 2,
imgFiles: []string{f1, f2, f3},
discFoldersRel: map[string]bool{"album": true},
lib: libraryView{FS: osDirFS{os.DirFS(tmpDir)}, absRoot: tmpDir},
}
sf := reader.fromExternalFile(ctx, "disc*.*")
r, path, err := sf()
Expect(err).ToNot(HaveOccurred())
Expect(r).ToNot(BeNil())
r.Close()
Expect(path).To(Equal(f3))
sf = reader.fromExternalFile(ctx, "cover.*")
r, path, err = sf()
Expect(err).ToNot(HaveOccurred())
Expect(r).ToNot(BeNil())
r.Close()
Expect(path).To(Equal(f1))
})
It("respects DiscArtPriority order when both numbered and unnumbered patterns match", func() {
f1 := createFile("album/cover.png")
f2 := createFile("album/disc1.jpg")
reader := &discArtworkReader{
discNumber: 1,
imgFiles: []string{f1, f2},
discFoldersRel: map[string]bool{"album": true},
lib: libraryView{FS: osDirFS{os.DirFS(tmpDir)}, absRoot: tmpDir},
}
ff := reader.fromDiscArtPriority(ctx, nil, "disc*.*, cover.*")
Expect(ff).To(HaveLen(2))
r, path, err := ff[0]()
Expect(err).ToNot(HaveOccurred())
Expect(path).To(Equal(f2))
r.Close()
ff = reader.fromDiscArtPriority(ctx, nil, "cover.*, disc*.*")
Expect(ff).To(HaveLen(2))
r, path, err = ff[0]()
Expect(err).ToNot(HaveOccurred())
Expect(path).To(Equal(f1))
r.Close()
})
DescribeTable("numbered match wins over shared fallback within a pattern",
func(discNumber, expectedIdx int) {
files := []string{
createFile("album/disc.jpg"),
createFile("album/disc1.jpg"),
createFile("album/disc2.jpg"),
}
reader := &discArtworkReader{
discNumber: discNumber,
imgFiles: files,
discFoldersRel: map[string]bool{"album": true},
lib: libraryView{FS: osDirFS{os.DirFS(tmpDir)}, absRoot: tmpDir},
}
sf := reader.fromExternalFile(ctx, "disc*.*")
r, path, err := sf()
Expect(err).ToNot(HaveOccurred())
Expect(r).ToNot(BeNil())
r.Close()
Expect(path).To(Equal(files[expectedIdx]))
},
Entry("disc 2 picks disc2.jpg over the shared disc.jpg", 2, 2),
Entry("disc 3 falls back to disc.jpg when no numbered match exists", 3, 0),
)
It("tries the next fallback candidate when the first one cannot be opened", func() {
f1 := createFile("album/cover.jpg")
f2 := createFile("album/cover.png")
// Remove f1 so Open will fail on it; f2 should still win.
removeFile(f1)
reader := &discArtworkReader{
discNumber: 1,
imgFiles: []string{f1, f2},
discFoldersRel: map[string]bool{"album": true},
lib: libraryView{FS: osDirFS{os.DirFS(tmpDir)}, absRoot: tmpDir},
}
sf := reader.fromExternalFile(ctx, "cover.*")
r, path, err := sf()
Expect(err).ToNot(HaveOccurred())
Expect(r).ToNot(BeNil())
r.Close()
Expect(path).To(Equal(f2))
})
It("keeps scanning literal-pattern matches so fallback retry still works", func() {
// Guards against an 'early break on first literal match' optimization.
// Multiple imgFiles entries can share a basename (symlinks, case-variant
// duplicates on case-sensitive filesystems). If the loop breaks after
// recording just the first, the fallback retry cannot recover when
// that first file is unreadable.
f1 := createFile("album/stale/cover.png")
f2 := createFile("album/cover.png")
removeFile(f1)
reader := &discArtworkReader{
discNumber: 1,
imgFiles: []string{f1, f2},
discFoldersRel: map[string]bool{
"album": true,
"album/stale": true,
},
isMultiFolder: true,
lib: libraryView{FS: osDirFS{os.DirFS(tmpDir)}, absRoot: tmpDir},
}
sf := reader.fromExternalFile(ctx, "cover.png")
r, path, err := sf()
Expect(err).ToNot(HaveOccurred())
Expect(r).ToNot(BeNil())
r.Close()
Expect(path).To(Equal(f2))
})
DescribeTable("filters by disc number for non-'*' wildcard patterns",
func(pattern string, discNumber, expectedIdx int) {
files := []string{
createFile("album/disc1.jpg"),
createFile("album/disc2.jpg"),
}
reader := &discArtworkReader{
discNumber: discNumber,
imgFiles: files,
discFoldersRel: map[string]bool{"album": true},
lib: libraryView{FS: osDirFS{os.DirFS(tmpDir)}, absRoot: tmpDir},
}
sf := reader.fromExternalFile(ctx, pattern)
r, path, err := sf()
Expect(err).ToNot(HaveOccurred())
Expect(r).ToNot(BeNil())
r.Close()
Expect(path).To(Equal(files[expectedIdx]))
},
Entry("disc?.jpg, target disc 1 → disc1.jpg", "disc?.jpg", 1, 0),
Entry("disc?.jpg, target disc 2 → disc2.jpg", "disc?.jpg", 2, 1),
Entry("disc[0-9].jpg, target disc 1 → disc1.jpg", "disc[0-9].jpg", 1, 0),
Entry("disc[0-9].jpg, target disc 2 → disc2.jpg", "disc[0-9].jpg", 2, 1),
)
It("matches file without number in multi-folder album by folder", func() {
f1 := createFile("album/cd1/disc.jpg")
f2 := createFile("album/cd2/disc.jpg")
reader := &discArtworkReader{
discNumber: 1,
imgFiles: []string{f1, f2},
discFoldersRel: map[string]bool{"album/cd1": true},
isMultiFolder: true,
lib: libraryView{FS: osDirFS{os.DirFS(tmpDir)}, absRoot: tmpDir},
}
sf := reader.fromExternalFile(ctx, "disc*.*")
r, path, err := sf()
Expect(err).ToNot(HaveOccurred())
Expect(r).ToNot(BeNil())
r.Close()
Expect(path).To(Equal(f1))
})
It("prefers disc number over folder when number is present", func() {
// disc2.jpg in cd1 folder should match disc 2, not disc 1
f1 := createFile("album/cd1/disc2.jpg")
reader := &discArtworkReader{
discNumber: 2,
imgFiles: []string{f1},
discFoldersRel: map[string]bool{"album/cd1": true},
isMultiFolder: true,
lib: libraryView{FS: osDirFS{os.DirFS(tmpDir)}, absRoot: tmpDir},
}
sf := reader.fromExternalFile(ctx, "disc*.*")
r, path, err := sf()
Expect(err).ToNot(HaveOccurred())
Expect(r).ToNot(BeNil())
r.Close()
Expect(path).To(Equal(f1))
})
It("does not match disc2.jpg when looking for disc 1", func() {
f1 := createFile("album/disc2.jpg")
reader := &discArtworkReader{
discNumber: 1,
imgFiles: []string{f1},
discFoldersRel: map[string]bool{"album": true},
lib: libraryView{FS: osDirFS{os.DirFS(tmpDir)}, absRoot: tmpDir},
}
sf := reader.fromExternalFile(ctx, "disc*.*")
r, _, _ := sf()
Expect(r).To(BeNil())
})
})
Describe("fromDiscSubtitle", func() {
var (
ctx context.Context
tmpDir string
)
BeforeEach(func() {
ctx = context.Background()
tmpDir = GinkgoT().TempDir()
})
createFile := func(relPath string) string {
fullPath := filepath.Join(tmpDir, filepath.FromSlash(relPath))
Expect(os.MkdirAll(filepath.Dir(fullPath), 0755)).To(Succeed())
Expect(os.WriteFile(fullPath, []byte("image data"), 0600)).To(Succeed())
return relPath
}
It("matches image file whose stem equals the disc subtitle (case-insensitive)", func() {
f1 := createFile("album/The Blue Disc.jpg")
reader := &discArtworkReader{
discNumber: 1,
imgFiles: []string{f1},
lib: libraryView{FS: osDirFS{os.DirFS(tmpDir)}, absRoot: tmpDir},
}
sf := reader.fromDiscSubtitle(ctx, "The Blue Disc")
r, path, err := sf()
Expect(err).ToNot(HaveOccurred())
Expect(r).ToNot(BeNil())
r.Close()
Expect(path).To(Equal(f1))
})
It("matches case-insensitively", func() {
f1 := createFile("album/bonus tracks.png")
reader := &discArtworkReader{
discNumber: 2,
imgFiles: []string{f1},
lib: libraryView{FS: osDirFS{os.DirFS(tmpDir)}, absRoot: tmpDir},
}
sf := reader.fromDiscSubtitle(ctx, "Bonus Tracks")
r, path, err := sf()
Expect(err).ToNot(HaveOccurred())
Expect(r).ToNot(BeNil())
r.Close()
Expect(path).To(Equal(f1))
})
It("returns error when no matching file found", func() {
f1 := createFile("album/cover.jpg")
reader := &discArtworkReader{
discNumber: 1,
imgFiles: []string{f1},
lib: libraryView{FS: osDirFS{os.DirFS(tmpDir)}, absRoot: tmpDir},
}
sf := reader.fromDiscSubtitle(ctx, "The Blue Disc")
_, _, err := sf()
Expect(err).To(HaveOccurred())
})
It("matches first file when multiple extensions exist", func() {
f1 := createFile("album/The Blue Disc.jpg")
f2 := createFile("album/The Blue Disc.png")
reader := &discArtworkReader{
discNumber: 1,
imgFiles: []string{f1, f2},
lib: libraryView{FS: osDirFS{os.DirFS(tmpDir)}, absRoot: tmpDir},
}
sf := reader.fromDiscSubtitle(ctx, "The Blue Disc")
r, path, err := sf()
Expect(err).ToNot(HaveOccurred())
Expect(r).ToNot(BeNil())
r.Close()
Expect(path).To(Equal(f1))
})
})
Describe("discArtworkReader", func() {
Describe("fromDiscArtPriority", func() {
var (
reader *discArtworkReader
tmpDir string
)
BeforeEach(func() {
tmpDir = GinkgoT().TempDir()
reader = &discArtworkReader{
discNumber: 2,
isMultiFolder: true,
discFoldersRel: map[string]bool{"music/album/cd2": true},
imgFiles: []string{
"music/album/cd1/disc.jpg",
"music/album/cd2/disc.jpg",
"music/album/cd2/disc2.jpg",
},
firstTrackRel: "music/album/cd2/track1.flac",
lib: libraryView{FS: osDirFS{os.DirFS(tmpDir)}, absRoot: tmpDir},
}
})
It("returns source funcs for glob patterns", func() {
ff := reader.fromDiscArtPriority(context.Background(), nil, "disc*.*")
Expect(ff).To(HaveLen(1))
})
It("returns source funcs for embedded pattern", func() {
ff := reader.fromDiscArtPriority(context.Background(), nil, "embedded")
Expect(ff).To(HaveLen(2)) // fromTag + fromFFmpegTag
})
It("handles multiple comma-separated patterns", func() {
ff := reader.fromDiscArtPriority(context.Background(), nil, "disc*.*, cd*.*, embedded")
Expect(ff).To(HaveLen(4)) // disc*.* + cd*.* + fromTag + fromFFmpegTag
})
It("ignores 'external' pattern silently", func() {
ff := reader.fromDiscArtPriority(context.Background(), nil, "external")
Expect(ff).To(HaveLen(0))
})
It("returns no source funcs when imgFiles is empty and pattern is not embedded", func() {
reader.imgFiles = nil
ff := reader.fromDiscArtPriority(context.Background(), nil, "disc*.*")
Expect(ff).To(HaveLen(0))
})
It("returns source func for discsubtitle pattern", func() {
reader.album = model.Album{Discs: model.Discs{2: "Bonus Tracks"}}
ff := reader.fromDiscArtPriority(context.Background(), nil, "discsubtitle")
Expect(ff).To(HaveLen(1))
})
It("returns no source func for discsubtitle when disc has no subtitle", func() {
reader.album = model.Album{Discs: model.Discs{2: ""}}
ff := reader.fromDiscArtPriority(context.Background(), nil, "discsubtitle")
Expect(ff).To(HaveLen(0))
})
})
})
})