重构核心模块并同步更新项目配置与相关实现

internal/service/media_display_library_test.go

@@ -0,0 +1,43 @@
+package service
+
+import (
+	"path/filepath"
+	"testing"
+
+	"github.com/truewhile/MeBox/internal/model"
+)
+
+func TestMediaDisplayLibraryResolverUsesMostSpecificPath(t *testing.T) {
+	root := t.TempDir()
+	parentPath := filepath.Join(root, "media")
+	nestedPath := filepath.Join(parentPath, "anime")
+	parent := model.Library{
+		Base:    model.Base{ID: "parent"},
+		Name:    "媒体",
+		Path:    parentPath,
+		Enabled: true,
+	}
+	nested := model.Library{
+		Base:    model.Base{ID: "nested"},
+		Name:    "动漫",
+		Path:    nestedPath,
+		Enabled: true,
+	}
+
+	resolver := newMediaDisplayLibraryResolver(t.Context(), nil, []model.Library{parent, nested})
+	got, ok := resolver.DisplayLibraryForMedia(model.Media{
+		LibraryID: parent.ID,
+		Path:      filepath.Join(nestedPath, "Show", "S01E01.mkv"),
+	})
+	if !ok || got.ID != nested.ID {
+		t.Fatalf("display library = %q, %t; want nested library", got.ID, ok)
+	}
+
+	got, ok = resolver.DisplayLibraryForMedia(model.Media{
+		LibraryID: parent.ID,
+		Path:      filepath.Join(parentPath, "Movie", "Movie.mkv"),
+	})
+	if !ok || got.ID != parent.ID {
+		t.Fatalf("display library = %q, %t; want parent library", got.ID, ok)
+	}
+}