From 20affda7f74bfcb6ce5b8be47bbf977bdb611a60 Mon Sep 17 00:00:00 2001
From: ZhangYu <zhang.yu61@zte.com.cn>
Date: Wed, 3 Aug 2022 15:01:55 +0800
Subject: [PATCH] Add test for cmd/kubeadm/app/cmd/util/cmdutil.go

---
 cmd/kubeadm/app/cmd/util/cmdutil_test.go | 27 ++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/cmd/kubeadm/app/cmd/util/cmdutil_test.go b/cmd/kubeadm/app/cmd/util/cmdutil_test.go
index 72ee829315c..703674d6c9c 100644
--- a/cmd/kubeadm/app/cmd/util/cmdutil_test.go
+++ b/cmd/kubeadm/app/cmd/util/cmdutil_test.go
@@ -17,6 +17,7 @@ limitations under the License.
 package util
 
 import (
+	"k8s.io/client-go/tools/clientcmd"
 	"testing"
 )
 
@@ -70,3 +71,29 @@ func TestValidateExactArgNumber(t *testing.T) {
 		})
 	}
 }
+
+func TestGetKubeConfigPath(t *testing.T) {
+	var tests = []struct {
+		name     string
+		file     string
+		expected string
+	}{
+		{
+			name:     "provide an empty value",
+			file:     "",
+			expected: clientcmd.NewDefaultClientConfigLoadingRules().GetDefaultFilename(),
+		},
+		{
+			name:     "provide a non-empty value",
+			file:     "kubelet.kubeconfig",
+			expected: "kubelet.kubeconfig",
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if GetKubeConfigPath(tt.file) != tt.expected {
+				t.Error("unexpected result")
+			}
+		})
+	}
+}