fix: stabilize library paths and subscription matching

internal/service/storage_test.go

@@ -0,0 +1,50 @@
+package service
+
+import (
+	"slices"
+	"testing"
+
+	"github.com/ShukeBta/MediaStationGo/internal/model"
+	"github.com/ShukeBta/MediaStationGo/internal/repository"
+	"go.uber.org/zap"
+)
+
+func TestStorageBreakdownUsesCanonicalLibraryDisplay(t *testing.T) {
+	db := newServiceTestDB(t, &model.Library{}, &model.Media{})
+	repos := repository.New(db)
+	libs := []model.Library{
+		{Name: "外语电影", Path: "/media/电影/外语电影", Type: "movie", Enabled: true},
+		{Name: "欧美动漫", Path: "/media/动漫/欧美动漫", Type: "tv", Enabled: true},
+		{Name: "9KG", Path: "/media/成人/9KG", Type: "movie", Enabled: true},
+	}
+	for i := range libs {
+		if err := repos.Library.Create(t.Context(), &libs[i]); err != nil {
+			t.Fatal(err)
+		}
+		if err := repos.Media.Upsert(t.Context(), &model.Media{
+			LibraryID: libs[i].ID,
+			Title:     libs[i].Name,
+			Path:      libs[i].Path + "/item.mkv",
+			SizeBytes: 1024,
+		}); err != nil {
+			t.Fatal(err)
+		}
+	}
+
+	breakdown, err := NewStorageService(zap.NewNop(), repos).Compute(t.Context())
+	if err != nil {
+		t.Fatal(err)
+	}
+	gotNames := make([]string, 0, len(breakdown.ByLibrary))
+	gotTypes := make([]string, 0, len(breakdown.ByLibrary))
+	for _, row := range breakdown.ByLibrary {
+		gotNames = append(gotNames, row.Name)
+		gotTypes = append(gotTypes, row.Type)
+	}
+	if want := []string{"欧美电影", "美漫", "成人"}; !slices.Equal(gotNames, want) {
+		t.Fatalf("library names = %#v, want %#v", gotNames, want)
+	}
+	if want := []string{"movie", "anime", "adult"}; !slices.Equal(gotTypes, want) {
+		t.Fatalf("library types = %#v, want %#v", gotTypes, want)
+	}
+}