Раскладка файлов после распознавния

This commit is contained in:
2026-06-14 14:53:40 +03:00
parent 91c501624a
commit 9c1b178e46
19 changed files with 3001 additions and 38 deletions
+260
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@@ -0,0 +1,260 @@
package layout
import (
"context"
"errors"
"os"
"path/filepath"
"testing"
)
func intp(n int) *int { return &n }
// fixture создаёт раскладчик с временными корнями downloads/movies/series и
// одним исходным файлом.
type fixture struct {
l *Layouter
downloads string
movies string
series string
}
func newFixture(t *testing.T) fixture {
t.Helper()
root := t.TempDir()
downloads := filepath.Join(root, "downloads")
movies := filepath.Join(root, "movies")
series := filepath.Join(root, "series")
for _, d := range []string{downloads, movies, series} {
if err := os.MkdirAll(d, 0o755); err != nil {
t.Fatal(err)
}
}
l, err := New(Config{MoviesDir: movies, SeriesDir: series})
if err != nil {
t.Fatal(err)
}
return fixture{l: l, downloads: downloads, movies: movies, series: series}
}
func (f fixture) srcFile(t *testing.T, rel, content string) string {
t.Helper()
p := filepath.Join(f.downloads, rel)
if err := os.MkdirAll(filepath.Dir(p), 0o755); err != nil {
t.Fatal(err)
}
if err := os.WriteFile(p, []byte(content), 0o644); err != nil {
t.Fatal(err)
}
return p
}
func TestBuildLinks_Movie(t *testing.T) {
f := newFixture(t)
src := f.srcFile(t, "The.Matrix/movie.mkv", "x")
sub := f.srcFile(t, "The.Matrix/movie.ru.srt", "y")
plan := Plan{
Type: Movie, Title: "The Matrix", Year: 1999, ProviderTag: "tmdbid-603",
Files: []PlanFile{
{Src: src, Role: RoleMain},
{Src: sub, Role: RoleSubtitle, Lang: "ru"},
{Src: f.srcFile(t, "The.Matrix/sample.mkv", "z"), Role: "sample"},
},
}
links, err := f.l.BuildLinks(plan)
if err != nil {
t.Fatalf("BuildLinks: %v", err)
}
if len(links) != 2 { // sample пропущен
t.Fatalf("want 2 links, got %d: %+v", len(links), links)
}
wantMain := filepath.Join(f.movies, "The Matrix (1999) [tmdbid-603]", "The Matrix (1999).mkv")
wantSub := filepath.Join(f.movies, "The Matrix (1999) [tmdbid-603]", "The Matrix (1999).ru.srt")
if links[0].Dst != wantMain || links[0].Kind != KindVideo {
t.Errorf("main = %+v, want %q", links[0], wantMain)
}
if links[1].Dst != wantSub || links[1].Kind != KindSubtitle {
t.Errorf("sub = %+v, want %q", links[1], wantSub)
}
}
func TestBuildLinks_Series(t *testing.T) {
f := newFixture(t)
plan := Plan{
Type: Series, Title: "Fargo", Year: 2015,
Files: []PlanFile{
{Src: f.srcFile(t, "Fargo/e1.mkv", "1"), Role: RoleEpisode, Season: intp(2), Episode: intp(1)},
{Src: f.srcFile(t, "Fargo/e2.mkv", "2"), Role: RoleEpisode, Season: intp(2), Episode: intp(2)},
},
}
links, err := f.l.BuildLinks(plan)
if err != nil {
t.Fatalf("BuildLinks: %v", err)
}
want := filepath.Join(f.series, "Fargo (2015)", "Season 02", "Fargo (2015) S02E01.mkv")
if links[0].Dst != want {
t.Errorf("ep1 = %q, want %q", links[0].Dst, want)
}
}
func TestBuildLinks_SeriesEpisodeWithoutNumber(t *testing.T) {
f := newFixture(t)
plan := Plan{
Type: Series, Title: "X", Year: 2020,
Files: []PlanFile{{Src: f.srcFile(t, "x/e.mkv", "1"), Role: RoleEpisode, Season: intp(1)}},
}
if _, err := f.l.BuildLinks(plan); err == nil {
t.Fatal("want error for episode without number")
}
}
func TestBuildLinks_EmptyPlanRejected(t *testing.T) {
f := newFixture(t)
plan := Plan{Type: Movie, Title: "X", Year: 2020,
Files: []PlanFile{{Src: "/x/sample.mkv", Role: "sample"}}}
if _, err := f.l.BuildLinks(plan); err == nil {
t.Fatal("want error when no linkable files")
}
}
func TestBuildLinks_TraversalTitleStaysInside(t *testing.T) {
f := newFixture(t)
// Враждебное название не должно вывести за пределы библиотеки.
plan := Plan{Type: Movie, Title: "../../etc/passwd", Year: 2020,
Files: []PlanFile{{Src: f.srcFile(t, "m/f.mkv", "1"), Role: RoleMain}}}
links, err := f.l.BuildLinks(plan)
if err != nil {
t.Fatalf("BuildLinks: %v", err)
}
if !underRoot(f.movies, links[0].Dst) {
t.Errorf("dst escaped library: %q", links[0].Dst)
}
}
func TestApply_CreatesHardlink(t *testing.T) {
f := newFixture(t)
src := f.srcFile(t, "m/film.mkv", "data")
links, _ := f.l.BuildLinks(Plan{Type: Movie, Title: "Film", Year: 2020,
Files: []PlanFile{{Src: src, Role: RoleMain}}})
res, err := f.l.Apply(context.Background(), links)
if err != nil {
t.Fatalf("Apply: %v", err)
}
if len(res) != 1 || res[0].Status != StatusLinked {
t.Fatalf("res = %+v", res)
}
// Тот же inode, источник цел.
si, _ := os.Stat(src)
di, _ := os.Stat(links[0].Dst)
if !os.SameFile(si, di) {
t.Error("dst is not a hardlink of src")
}
if _, err := os.Stat(src); err != nil {
t.Errorf("source must remain: %v", err)
}
}
func TestApply_Idempotent(t *testing.T) {
f := newFixture(t)
src := f.srcFile(t, "m/film.mkv", "data")
links, _ := f.l.BuildLinks(Plan{Type: Movie, Title: "Film", Year: 2020,
Files: []PlanFile{{Src: src, Role: RoleMain}}})
if _, err := f.l.Apply(context.Background(), links); err != nil {
t.Fatalf("first apply: %v", err)
}
res, err := f.l.Apply(context.Background(), links)
if err != nil {
t.Fatalf("second apply: %v", err)
}
if res[0].Status != StatusExists {
t.Errorf("status = %q, want exists (idempotent)", res[0].Status)
}
}
func TestApply_CollisionNotOverwritten(t *testing.T) {
f := newFixture(t)
src := f.srcFile(t, "m/film.mkv", "original")
links, _ := f.l.BuildLinks(Plan{Type: Movie, Title: "Film", Year: 2020,
Files: []PlanFile{{Src: src, Role: RoleMain}}})
// Занимаем цель посторонним файлом.
if err := os.MkdirAll(filepath.Dir(links[0].Dst), 0o755); err != nil {
t.Fatal(err)
}
if err := os.WriteFile(links[0].Dst, []byte("foreign"), 0o644); err != nil {
t.Fatal(err)
}
_, err := f.l.Apply(context.Background(), links)
if !errors.Is(err, ErrCollision) {
t.Fatalf("err = %v, want ErrCollision", err)
}
// Посторонний файл не тронут.
b, _ := os.ReadFile(links[0].Dst)
if string(b) != "foreign" {
t.Errorf("foreign file overwritten: %q", b)
}
}
func TestUndo_RemovesLinksAndPrunesDirs(t *testing.T) {
f := newFixture(t)
links, _ := f.l.BuildLinks(Plan{Type: Series, Title: "Show", Year: 2021,
Files: []PlanFile{
{Src: f.srcFile(t, "s/e1.mkv", "1"), Role: RoleEpisode, Season: intp(1), Episode: intp(1)},
}})
if _, err := f.l.Apply(context.Background(), links); err != nil {
t.Fatal(err)
}
n, err := f.l.Undo(context.Background(), links)
if err != nil {
t.Fatalf("Undo: %v", err)
}
if n != 1 {
t.Errorf("removed = %d, want 1", n)
}
if _, err := os.Stat(links[0].Dst); !errors.Is(err, os.ErrNotExist) {
t.Errorf("link still exists: %v", err)
}
// Пустые каталоги сезона и сериала подчищены, корень цел.
if _, err := os.Stat(filepath.Join(f.series, "Show (2021)")); !errors.Is(err, os.ErrNotExist) {
t.Errorf("show dir not pruned: %v", err)
}
if _, err := os.Stat(f.series); err != nil {
t.Errorf("series root must remain: %v", err)
}
// Источник цел.
if _, err := os.Stat(links[0].Src); err != nil {
t.Errorf("source removed by undo: %v", err)
}
}
func TestUndo_Idempotent(t *testing.T) {
f := newFixture(t)
links, _ := f.l.BuildLinks(Plan{Type: Movie, Title: "Film", Year: 2020,
Files: []PlanFile{{Src: f.srcFile(t, "m/film.mkv", "1"), Role: RoleMain}}})
if _, err := f.l.Apply(context.Background(), links); err != nil {
t.Fatal(err)
}
if _, err := f.l.Undo(context.Background(), links); err != nil {
t.Fatal(err)
}
// Повторный undo — не ошибка (цель уже снята).
n, err := f.l.Undo(context.Background(), links)
if err != nil {
t.Fatalf("second undo: %v", err)
}
if n != 0 {
t.Errorf("removed = %d, want 0", n)
}
}
func TestUndo_RefusesOutsideLibrary(t *testing.T) {
f := newFixture(t)
outside := filepath.Join(f.downloads, "victim.mkv")
if _, err := f.l.Undo(context.Background(), []Link{{Dst: outside}}); err == nil {
t.Fatal("undo must refuse paths outside libraries")
}
}