feat(infra): auto-commit con 6 cambios

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

functions/infra/resolve_registry_root_test.go

@@ -0,0 +1,60 @@
+package infra
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+)
+
+func TestResolveRegistryRoot(t *testing.T) {
+	t.Run("env var apunta a tmpdir con registry.db", func(t *testing.T) {
+		dir := t.TempDir()
+		dbPath := filepath.Join(dir, "registry.db")
+		if err := os.WriteFile(dbPath, []byte("SQLite format 3\x00"), 0644); err != nil {
+			t.Fatal(err)
+		}
+		t.Setenv("FN_REGISTRY_ROOT", dir)
+
+		got, err := ResolveRegistryRoot()
+		if err != nil {
+			t.Fatalf("expected no error, got: %v", err)
+		}
+		if got != filepath.Clean(dir) {
+			t.Errorf("got %q, want %q", got, filepath.Clean(dir))
+		}
+	})
+
+	t.Run("HOME apunta a tmpdir con fn_registry/registry.db", func(t *testing.T) {
+		homeDir := t.TempDir()
+		registryDir := filepath.Join(homeDir, "fn_registry")
+		if err := os.MkdirAll(registryDir, 0755); err != nil {
+			t.Fatal(err)
+		}
+		dbPath := filepath.Join(registryDir, "registry.db")
+		if err := os.WriteFile(dbPath, []byte("SQLite format 3\x00"), 0644); err != nil {
+			t.Fatal(err)
+		}
+		// Clear env var so we fall through to the HOME check.
+		t.Setenv("FN_REGISTRY_ROOT", "")
+		t.Setenv("HOME", homeDir)
+
+		got, err := ResolveRegistryRoot()
+		if err != nil {
+			t.Fatalf("expected no error, got: %v", err)
+		}
+		if got != registryDir {
+			t.Errorf("got %q, want %q", got, registryDir)
+		}
+	})
+
+	t.Run("nada existe devuelve error", func(t *testing.T) {
+		emptyHome := t.TempDir()
+		t.Setenv("FN_REGISTRY_ROOT", "")
+		t.Setenv("HOME", emptyHome)
+
+		_, err := ResolveRegistryRoot()
+		if err == nil {
+			t.Error("expected error when nothing exists, got nil")
+		}
+	})
+}