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path: root/dhcpv6/ztpv6/parse_vendor_options_test.go
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package ztpv6

import (
	"testing"

	"github.com/insomniacslk/dhcp/dhcpv6"
	"github.com/stretchr/testify/require"
)

func TestParseVendorDataWithVendorOpts(t *testing.T) {
	tt := []struct {
		name string
		vc   string
		want *VendorData
		fail bool
	}{
		{name: "empty", fail: true},
		{name: "unknownVendor", vc: "VendorX;BFR10K;XX12345", fail: true, want: nil},
		{name: "truncatedArista", vc: "Arista;1234", fail: true, want: nil},
		{name: "truncatedZPE", vc: "ZPESystems:1234", fail: true, want: nil},
		{
			name: "arista",
			vc:   "Arista;DCS-7050S-64;01.23;JPE12345678",
			want: &VendorData{VendorName: "Arista", Model: "DCS-7050S-64", Serial: "JPE12345678"},
		}, {
			name: "zpe",
			vc:   "ZPESystems:NSC:001234567",
			want: &VendorData{VendorName: "ZPESystems", Model: "NSC", Serial: "001234567"},
		},
	}

	for _, tc := range tt {
		t.Run(tc.name, func(t *testing.T) {
			packet, err := dhcpv6.NewMessage()
			if err != nil {
				t.Fatalf("failed to creat dhcpv6 packet object: %v", err)
			}

			opts := []dhcpv6.Option{&dhcpv6.OptionGeneric{OptionData: []byte(tc.vc), OptionCode: 1}}
			packet.AddOption(&dhcpv6.OptVendorOpts{
				VendorOpts: opts, EnterpriseNumber: 0000})

			vd, err := ParseVendorData(packet)
			if err != nil && !tc.fail {
				t.Errorf("unexpected failure: %v", err)
			}

			if vd != nil {
				require.Equal(t, *tc.want, *vd, "comparing vendor option data")
			} else {
				require.Equal(t, tc.want, vd, "comparing vendor option data")
			}
		})
	}
}

func TestParseVendorDataWithVendorClass(t *testing.T) {
	tt := []struct {
		name string
		vc   string
		want *VendorData
		fail bool
	}{
		{name: "empty", fail: true},
		{name: "unknownVendor", vc: "VendorX;BFR10K;XX12345", fail: true, want: nil},
		{name: "truncatedArista", vc: "Arista;1234", fail: true, want: nil},
		{name: "truncatedZPE", vc: "ZPESystems:1234", fail: true, want: nil},
		{
			name: "arista",
			vc:   "Arista;DCS-7050S-64;01.23;JPE12345678",
			want: &VendorData{VendorName: "Arista", Model: "DCS-7050S-64", Serial: "JPE12345678"},
		}, {
			name: "zpe",
			vc:   "ZPESystems:NSC:001234567",
			want: &VendorData{VendorName: "ZPESystems", Model: "NSC", Serial: "001234567"},
		},
	}

	for _, tc := range tt {
		t.Run(tc.name, func(t *testing.T) {
			packet, err := dhcpv6.NewMessage()
			if err != nil {
				t.Fatalf("failed to creat dhcpv6 packet object: %v", err)
			}

			packet.AddOption(&dhcpv6.OptVendorClass{
				EnterpriseNumber: 0000, Data: [][]byte{[]byte(tc.vc)}})

			vd, err := ParseVendorData(packet)
			if err != nil && !tc.fail {
				t.Errorf("unexpected failure: %v", err)
			}

			if vd != nil {
				require.Equal(t, *tc.want, *vd, "comparing vendor class data")
			} else {
				require.Equal(t, tc.want, vd, "comparing vendor class data")
			}
		})
	}
}