diff --git a/internal/pkg/controller/utils_test.go b/internal/pkg/controller/utils_test.go
new file mode 100644
index 0000000..323b388
--- /dev/null
+++ b/internal/pkg/controller/utils_test.go
@@ -0,0 +1,66 @@
+/*
+* Copyright 2022-present Open Networking Foundation
+* 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 controller
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestPadString(t *testing.T) {
+	type args struct {
+		value   string
+		padSize int
+	}
+	tests := []struct {
+		name string
+		args args
+	}{
+		{
+			name: "PadString",
+			args: args{
+				value:   "test_value",
+				padSize: 20,
+			},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got := PadString(tt.args.value, tt.args.padSize)
+			assert.NotNil(t, got)
+		})
+	}
+}
+
+func TestGetXid(t *testing.T) {
+	tests := []struct {
+		name string
+		want uint32
+	}{
+		{
+			name: "GetXid",
+			want: uint32(2),
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := GetXid(); got != tt.want {
+				t.Errorf("GetXid() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}