diff --git a/pkg/internal/polymorphichelpers/attachablepodforobject_test.go b/pkg/internal/polymorphichelpers/attachablepodforobject_test.go
new file mode 100644
index 0000000..3799062
--- /dev/null
+++ b/pkg/internal/polymorphichelpers/attachablepodforobject_test.go
@@ -0,0 +1,111 @@
+/*
+Copyright 2025 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package polymorphichelpers
+
+import (
+	"errors"
+	"strings"
+	"testing"
+	"time"
+
+	corev1 "k8s.io/api/core/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/cli-runtime/pkg/genericclioptions"
+	"k8s.io/client-go/rest"
+
+	"k8s.io/apimachinery/pkg/api/meta"
+	"k8s.io/client-go/discovery"
+	"k8s.io/client-go/tools/clientcmd"
+)
+
+type mockRESTClientGetter struct {
+	config *rest.Config
+	err    error
+}
+
+func (m *mockRESTClientGetter) ToRESTConfig() (*rest.Config, error) {
+	return m.config, m.err
+}
+
+func (m *mockRESTClientGetter) ToDiscoveryClient() (discovery.CachedDiscoveryInterface, error) {
+	return nil, errors.New("not implemented")
+}
+func (m *mockRESTClientGetter) ToRESTMapper() (meta.RESTMapper, error) {
+	return nil, errors.New("not implemented")
+}
+func (m *mockRESTClientGetter) ToRawKubeConfigLoader() clientcmd.ClientConfig {
+	return nil
+}
+
+func TestAttachablePodForObject(t *testing.T) {
+	// Test objects
+	testPod := &corev1.Pod{
+		ObjectMeta: metav1.ObjectMeta{Name: "test-pod"},
+	}
+	testService := &corev1.Service{
+		ObjectMeta: metav1.ObjectMeta{Name: "unsupported-service"},
+	}
+
+	tests := []struct {
+		name          string
+		object        runtime.Object
+		getter        genericclioptions.RESTClientGetter
+		expectedPod   *corev1.Pod
+		expectedError string
+	}{
+		{
+			name:        "Direct pod object returns itself",
+			object:      testPod,
+			getter:      nil,
+			expectedPod: testPod,
+		},
+		{
+			name:          "REST config error",
+			object:        testService,
+			getter:        &mockRESTClientGetter{err: errors.New("fake config error")},
+			expectedError: "fake config error",
+		},
+		{
+			name:          "Selector error for unsupported type",
+			object:        testService,
+			getter:        &mockRESTClientGetter{config: &rest.Config{}},
+			expectedError: "cannot attach to *v1.Service",
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			pod, err := attachablePodForObject(tt.getter, tt.object, 10*time.Second)
+
+			if tt.expectedError != "" {
+				if err == nil || !strings.Contains(err.Error(), tt.expectedError) {
+					t.Errorf("Expected error containing '%s', got '%v'", tt.expectedError, err)
+				}
+				return
+			}
+
+			// Validate success cases
+			if err != nil {
+				t.Fatalf("Unexpected error: %v", err)
+			}
+			if pod.Name != tt.expectedPod.Name {
+				t.Errorf("Expected pod %q, got %q", tt.expectedPod.Name, pod.Name)
+			}
+		})
+	}
+}