diff --git a/internal/pkg/application/igmpgroup_test.go b/internal/pkg/application/igmpgroup_test.go
new file mode 100644
index 0000000..aec7f45
--- /dev/null
+++ b/internal/pkg/application/igmpgroup_test.go
@@ -0,0 +1,253 @@
+/*
+* 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 (
+	"context"
+	"net"
+	"reflect"
+	"testing"
+	"time"
+	"voltha-go-controller/internal/pkg/of"
+	"voltha-go-controller/internal/test/mocks"
+
+	"github.com/golang/mock/gomock"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestNewIgmpGroup(t *testing.T) {
+	type args struct {
+		name string
+		vlan of.VlanType
+	}
+	group := &IgmpGroup{
+		GroupName: "test_key",
+	}
+	tests := []struct {
+		name string
+		args args
+		want *IgmpGroup
+	}{
+		{
+			name: "NewIgmpGroup",
+			args: args{
+				name: "test_key",
+			},
+			want: group,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got := NewIgmpGroup(tt.args.name, tt.args.vlan)
+			assert.NotNil(t, got)
+		})
+	}
+}
+
+func TestIgmpGroup_IgmpGroupInit(t *testing.T) {
+	type args struct {
+		name string
+		gip  net.IP
+		mvp  *MvlanProfile
+	}
+	grp := make(map[string]*MvlanGroup)
+	grp["test_key"] = &MvlanGroup{
+		Name:     "test_key",
+		IsStatic: true,
+	}
+	tests := []struct {
+		name string
+		args args
+	}{
+		{
+			name: "IgmpGroupInit",
+			args: args{
+				name: "test_key",
+				gip:  AllSystemsMulticastGroupIP,
+				mvp: &MvlanProfile{
+					Version: "test_version",
+					Name:    "test_key",
+					Groups:  grp,
+				},
+			},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			ig := &IgmpGroup{}
+			ig.IgmpGroupInit(tt.args.name, tt.args.gip, tt.args.mvp)
+		})
+	}
+}
+
+func TestIgmpGroup_IgmpGroupReInit(t *testing.T) {
+	type args struct {
+		cntx context.Context
+		name string
+		gip  net.IP
+	}
+	tests := []struct {
+		name string
+		args args
+	}{
+		{
+			name: "IgmpGroupInit",
+			args: args{
+				cntx: context.Background(),
+				name: "test_key",
+				gip:  AllSystemsMulticastGroupIP,
+			},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			ig := &IgmpGroup{}
+			ig.IgmpGroupReInit(tt.args.cntx, tt.args.name, tt.args.gip)
+		})
+	}
+}
+
+func TestIgmpGroup_DeleteIgmpGroupDevice(t *testing.T) {
+	type args struct {
+		cntx   context.Context
+		device string
+	}
+	devices := map[string]*IgmpGroupDevice{}
+	igmpDevice := &IgmpGroupDevice{
+		Device:    "SDX6320031",
+		SerialNo:  "SDX6320031",
+		GroupName: "group1",
+		Mvlan:     of.VlanAny,
+	}
+	devices["SDX6320031"] = igmpDevice
+	tests := []struct {
+		name string
+		args args
+	}{
+		{
+			name: "DeleteIgmpGroupDevice",
+			args: args{
+				cntx:   context.Background(),
+				device: "SDX6320031",
+			},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			ig := &IgmpGroup{
+				Devices: devices,
+			}
+			dbintf := mocks.NewMockDBIntf(gomock.NewController(t))
+			db = dbintf
+			dbintf.EXPECT().DelIgmpDevice(gomock.Any(), gomock.Any(), gomock.Any(), gomock.Any(), gomock.Any()).AnyTimes()
+			ig.DeleteIgmpGroupDevice(tt.args.cntx, tt.args.device)
+		})
+	}
+}
+
+func TestIgmpGroup_removeExpiredGroupFromDevice(t *testing.T) {
+	type args struct {
+		cntx context.Context
+	}
+	PendingGroupForDevice := make(map[string]time.Time)
+	PendingGroupForDevice["SDX6320031"] = time.Now().Add(time.Duration(GroupExpiryTime) * time.Minute)
+	tests := []struct {
+		name string
+		args args
+	}{
+		{
+			name: "DeleteIgmpGroupDevice",
+			args: args{
+				cntx: context.Background(),
+			},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			ig := &IgmpGroup{
+				PendingGroupForDevice: PendingGroupForDevice,
+			}
+			ig.removeExpiredGroupFromDevice(tt.args.cntx)
+		})
+	}
+}
+
+func TestIgmpGroup_GetAllIgmpChannel(t *testing.T) {
+	devices := map[string]*IgmpGroupDevice{}
+	igmpDevice := &IgmpGroupDevice{
+		Device:    "SDX6320031",
+		SerialNo:  "SDX6320031",
+		GroupName: "group1",
+		Mvlan:     of.VlanAny,
+	}
+	devices["SDX6320031"] = igmpDevice
+	tests := []struct {
+		name string
+		want map[string]string
+	}{
+		{
+			name: "GetAllIgmpChannel",
+			want: make(map[string]string),
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			ig := &IgmpGroup{
+				Devices: devices,
+			}
+			if got := ig.GetAllIgmpChannel(); !reflect.DeepEqual(got, tt.want) {
+				t.Errorf("IgmpGroup.GetAllIgmpChannel() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}
+
+func TestIgmpGroup_GetAllIgmpChannelForDevice(t *testing.T) {
+	type args struct {
+		deviceID string
+	}
+	devices := map[string]*IgmpGroupDevice{}
+	igmpDevice := &IgmpGroupDevice{
+		Device:    "SDX6320031",
+		SerialNo:  "SDX6320031",
+		GroupName: "group1",
+		Mvlan:     of.VlanAny,
+	}
+	devices["SDX6320031"] = igmpDevice
+	tests := []struct {
+		name string
+		args args
+		want map[string]string
+	}{
+		{
+			name: "GetAllIgmpChannelForDevice",
+			args: args{
+				deviceID: "SDX6320031",
+			},
+			want: make(map[string]string),
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			ig := &IgmpGroup{
+				Devices: devices,
+			}
+			if got := ig.GetAllIgmpChannelForDevice(tt.args.deviceID); !reflect.DeepEqual(got, tt.want) {
+				t.Errorf("IgmpGroup.GetAllIgmpChannelForDevice() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}