diff --git a/internal/pkg/application/igmpport_test.go b/internal/pkg/application/igmpport_test.go
new file mode 100644
index 0000000..7ff2459
--- /dev/null
+++ b/internal/pkg/application/igmpport_test.go
@@ -0,0 +1,131 @@
+/*
+* 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 application
+
+import (
+	"net"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestNewIgmpGroupPort(t *testing.T) {
+	type args struct {
+		port      string
+		cvlan     uint16
+		pbit      uint8
+		version   uint8
+		incl      bool
+		ponPortID uint32
+	}
+	tests := []struct {
+		name string
+		args args
+		want *IgmpGroupPort
+	}{
+		{
+			name: "NewIgmpGroupPort",
+			args: args{
+				port:      "256",
+				cvlan:     AnyVlan,
+				pbit:      0,
+				version:   uint8(12),
+				incl:      true,
+				ponPortID: uint32(256),
+			},
+			want: &IgmpGroupPort{},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got := NewIgmpGroupPort(tt.args.port, tt.args.cvlan, tt.args.pbit, tt.args.version, tt.args.incl, tt.args.ponPortID)
+			assert.NotNil(t, got)
+		})
+	}
+}
+
+func TestIgmpGroupPort_DelExclSource(t *testing.T) {
+	type args struct {
+		src net.IP
+	}
+	tests := []struct {
+		name string
+		args args
+	}{
+		{
+			name: "DelExclSource",
+			args: args{
+				src: AllSystemsMulticastGroupIP,
+			},
+		},
+		{
+			name: "AddExclSource",
+			args: args{
+				src: AllSystemsMulticastGroupIP,
+			},
+		},
+		{
+			name: "DelInclSource",
+			args: args{
+				src: AllSystemsMulticastGroupIP,
+			},
+		},
+		{
+			name: "AddInclSource",
+			args: args{
+				src: AllSystemsMulticastGroupIP,
+			},
+		},
+		{
+			name: "InclSourceIsIn",
+			args: args{
+				src: AllSystemsMulticastGroupIP,
+			},
+		},
+		{
+			name: "ExclSourceIsIn",
+			args: args{
+				src: AllSystemsMulticastGroupIP,
+			},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			igp := &IgmpGroupPort{
+				ExcludeList: []net.IP{
+					AllSystemsMulticastGroupIP,
+				},
+				IncludeList: []net.IP{
+					AllSystemsMulticastGroupIP,
+				},
+			}
+			switch tt.name {
+			case "DelExclSource":
+				igp.DelExclSource(tt.args.src)
+			case "AddExclSource":
+				igp.AddExclSource(tt.args.src)
+			case "DelInclSource":
+				igp.DelInclSource(tt.args.src)
+			case "AddInclSource":
+				igp.AddInclSource(tt.args.src)
+			case "InclSourceIsIn":
+				igp.InclSourceIsIn(tt.args.src)
+			case "ExclSourceIsIn":
+				igp.ExclSourceIsIn(tt.args.src)
+			}
+		})
+	}
+}