/
mockfs.go
279 lines (242 loc) · 7.17 KB
/
mockfs.go
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package mockfs
import (
"errors"
"fmt"
"io/fs"
"io/ioutil"
"os"
"path/filepath"
"testing"
"time"
"go.senan.xyz/gonic/server/db"
"go.senan.xyz/gonic/server/scanner"
"go.senan.xyz/gonic/server/scanner/tags"
)
var ErrPathNotFound = errors.New("path not found")
type MockFS struct {
t *testing.T
scanner *scanner.Scanner
dir string
reader *mreader
db *db.DB
}
func New(t *testing.T) *MockFS {
return new(t, []string{""})
}
func NewWithDirs(t *testing.T, dirs []string) *MockFS {
return new(t, dirs)
}
func new(t *testing.T, dirs []string) *MockFS {
dbc, err := db.NewMock()
if err != nil {
t.Fatalf("create db: %v", err)
}
if err := dbc.Migrate(db.MigrationContext{}); err != nil {
t.Fatalf("migrate db db: %v", err)
}
dbc.LogMode(false)
tmpDir, err := ioutil.TempDir("", "gonic-test-")
if err != nil {
t.Fatalf("create tmp dir: %v", err)
}
var absDirs []string
for _, dir := range dirs {
absDirs = append(absDirs, filepath.Join(tmpDir, dir))
}
for _, absDir := range absDirs {
if err := os.MkdirAll(absDir, os.ModePerm); err != nil {
t.Fatalf("mk abs dir: %v", err)
}
}
parser := &mreader{map[string]*Tags{}}
scanner := scanner.New(absDirs, dbc, ";", parser)
return &MockFS{
t: t,
scanner: scanner,
dir: tmpDir,
reader: parser,
db: dbc,
}
}
func (m *MockFS) DB() *db.DB { return m.db }
func (m *MockFS) TmpDir() string { return m.dir }
func (m *MockFS) ScanAndClean() {
if err := m.scanner.ScanAndClean(scanner.ScanOptions{}); err != nil {
m.t.Fatalf("error scan and cleaning: %v", err)
}
}
func (m *MockFS) ResetDates() {
t := time.Date(2020, 0, 0, 0, 0, 0, 0, time.UTC)
if err := m.db.Model(db.Album{}).Updates(db.Album{CreatedAt: t, UpdatedAt: t, ModifiedAt: t}).Error; err != nil {
m.t.Fatalf("reset album times: %v", err)
}
if err := m.db.Model(db.Track{}).Updates(db.Track{CreatedAt: t, UpdatedAt: t}).Error; err != nil {
m.t.Fatalf("reset track times: %v", err)
}
}
func (m *MockFS) CleanUp() {
if err := m.db.Close(); err != nil {
m.t.Fatalf("close db: %v", err)
}
if err := os.RemoveAll(m.dir); err != nil {
m.t.Fatalf("remove all: %v", err)
}
}
func (m *MockFS) addItems(prefix string, covers bool) {
p := func(format string, a ...interface{}) string {
return filepath.Join(prefix, fmt.Sprintf(format, a...))
}
for ar := 0; ar < 3; ar++ {
for al := 0; al < 3; al++ {
for tr := 0; tr < 3; tr++ {
m.AddTrack(p("artist-%d/album-%d/track-%d.flac", ar, al, tr))
m.SetTags(p("artist-%d/album-%d/track-%d.flac", ar, al, tr), func(tags *Tags) {
tags.RawArtist = fmt.Sprintf("artist-%d", ar)
tags.RawAlbumArtist = fmt.Sprintf("artist-%d", ar)
tags.RawAlbum = fmt.Sprintf("album-%d", al)
tags.RawTitle = fmt.Sprintf("title-%d", tr)
})
}
if covers {
m.AddCover(p("artist-%d/album-%d/cover.png", ar, al))
}
}
}
}
func (m *MockFS) AddItems() { m.addItems("", false) }
func (m *MockFS) AddItemsPrefix(prefix string) { m.addItems(prefix, false) }
func (m *MockFS) AddItemsWithCovers() { m.addItems("", true) }
func (m *MockFS) AddItemsPrefixWithCovers(prefix string) { m.addItems(prefix, true) }
func (m *MockFS) RemoveAll(path string) {
abspath := filepath.Join(m.dir, path)
if err := os.RemoveAll(abspath); err != nil {
m.t.Fatalf("remove all: %v", err)
}
}
func (m *MockFS) LogItems() {
m.t.Logf("\nitems")
var dirs int
err := filepath.Walk(m.dir, func(path string, info fs.FileInfo, err error) error {
m.t.Logf("item %q", path)
if info.IsDir() {
dirs++
}
return nil
})
if err != nil {
m.t.Fatalf("error logging items: %v", err)
}
m.t.Logf("total %d", dirs)
}
func (m *MockFS) LogAlbums() {
var albums []*db.Album
if err := m.db.Find(&albums).Error; err != nil {
m.t.Fatalf("error logging items: %v", err)
}
m.t.Logf("\nalbums")
for _, album := range albums {
m.t.Logf("id %-3d root %-3s lr %-15s %-10s pid %-3d aid %-3d cov %-10s",
album.ID, album.RootDir, album.LeftPath, album.RightPath, album.ParentID, album.TagArtistID, album.Cover)
}
m.t.Logf("total %d", len(albums))
}
func (m *MockFS) LogArtists() {
var artists []*db.Artist
if err := m.db.Find(&artists).Error; err != nil {
m.t.Fatalf("error logging items: %v", err)
}
m.t.Logf("\nartists")
for _, artist := range artists {
m.t.Logf("id %-3d %-10s", artist.ID, artist.Name)
}
m.t.Logf("total %d", len(artists))
}
func (m *MockFS) LogTracks() {
var tracks []*db.Track
if err := m.db.Find(&tracks).Error; err != nil {
m.t.Fatalf("error logging items: %v", err)
}
m.t.Logf("\ntracks")
for _, track := range tracks {
m.t.Logf("id %-3d aid %-3d filename %-10s tagtitle %-10s",
track.ID, track.AlbumID, track.Filename, track.TagTitle)
}
}
func (m *MockFS) LogTrackGenres() {
var tgs []*db.TrackGenre
if err := m.db.Find(&tgs).Error; err != nil {
m.t.Fatalf("error logging items: %v", err)
}
m.t.Logf("\ntrack genres")
for _, tg := range tgs {
m.t.Logf("tid %-3d gid %-3d", tg.TrackID, tg.GenreID)
}
}
func (m *MockFS) AddTrack(path string) {
abspath := filepath.Join(m.dir, path)
dir := filepath.Dir(abspath)
if err := os.MkdirAll(dir, os.ModePerm); err != nil {
m.t.Fatalf("mkdir: %v", err)
}
f, err := os.Create(abspath)
if err != nil {
m.t.Fatalf("create track: %v", err)
}
defer f.Close()
}
func (m *MockFS) AddCover(path string) {
abspath := filepath.Join(m.dir, path)
if err := os.MkdirAll(filepath.Dir(abspath), os.ModePerm); err != nil {
m.t.Fatalf("mkdir: %v", err)
}
f, err := os.Create(abspath)
if err != nil {
m.t.Fatalf("create cover: %v", err)
}
defer f.Close()
}
func (m *MockFS) SetTags(path string, cb func(*Tags)) {
abspath := filepath.Join(m.dir, path)
if err := os.Chtimes(abspath, time.Time{}, time.Now()); err != nil {
m.t.Fatalf("touch track: %v", err)
}
if _, ok := m.reader.tags[abspath]; !ok {
m.reader.tags[abspath] = &Tags{}
}
cb(m.reader.tags[abspath])
}
type mreader struct {
tags map[string]*Tags
}
func (m *mreader) Read(abspath string) (tags.Parser, error) {
parser, ok := m.tags[abspath]
if !ok {
return nil, ErrPathNotFound
}
return parser, nil
}
var _ tags.Reader = (*mreader)(nil)
type Tags struct {
RawTitle string
RawArtist string
RawAlbum string
RawAlbumArtist string
RawGenre string
}
func (m *Tags) Title() string { return m.RawTitle }
func (m *Tags) BrainzID() string { return "" }
func (m *Tags) Artist() string { return m.RawArtist }
func (m *Tags) Album() string { return m.RawAlbum }
func (m *Tags) AlbumArtist() string { return m.RawAlbumArtist }
func (m *Tags) AlbumBrainzID() string { return "" }
func (m *Tags) Genre() string { return m.RawGenre }
func (m *Tags) TrackNumber() int { return 1 }
func (m *Tags) DiscNumber() int { return 1 }
func (m *Tags) Length() int { return 100 }
func (m *Tags) Bitrate() int { return 100 }
func (m *Tags) Year() int { return 2021 }
func (m *Tags) SomeAlbum() string { return m.Album() }
func (m *Tags) SomeArtist() string { return m.Artist() }
func (m *Tags) SomeAlbumArtist() string { return m.AlbumArtist() }
func (m *Tags) SomeGenre() string { return m.Genre() }
var _ tags.Parser = (*Tags)(nil)