Create named subdirectories for new repositories

internal/platform/mounts_test.go

@@ -0,0 +1,32 @@
+package platform
+
+import (
+	"context"
+	"path/filepath"
+	"testing"
+
+	"git.casaderoll.de/michael/urbm/internal/model"
+)
+
+func TestExternalMountAllowsNewRepositorySubdirectory(t *testing.T) {
+	base := t.TempDir()
+	repo := model.Repository{Type: model.RepositorySMB, Location: filepath.Join(base, "Photos")}
+	manager := &MountManager{}
+
+	mounted, err := manager.Prepare(context.Background(), repo)
+	if err != nil {
+		t.Fatalf("new repository subdirectory rejected: %v", err)
+	}
+	if mounted.Repository.Location != repo.Location {
+		t.Fatalf("location = %q, want %q", mounted.Repository.Location, repo.Location)
+	}
+}
+
+func TestExternalMountRejectsMissingBaseDirectory(t *testing.T) {
+	repo := model.Repository{Type: model.RepositoryNFS, Location: filepath.Join(t.TempDir(), "missing", "Photos")}
+	manager := &MountManager{}
+
+	if _, err := manager.Prepare(context.Background(), repo); err == nil {
+		t.Fatal("missing external mount base accepted")
+	}
+}