1 files changed, 47 insertions, 1 deletions
diff --git a/dhcpv6/ztpv6/parse_vendor_options_test.go b/dhcpv6/ztpv6/parse_vendor_options_test.go
index 083866c..45b42d6 100644
--- a/dhcpv6/ztpv6/parse_vendor_options_test.go
+++ b/dhcpv6/ztpv6/parse_vendor_options_test.go
@@ -7,7 +7,7 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
-func TestParseVendorData(t *testing.T) {
+func TestParseVendorDataWithVendorOpts(t *testing.T) {
 	tt := []struct {
 		name string
 		vc   string
@@ -53,3 +53,49 @@ func TestParseVendorData(t *testing.T) {
 		})
 	}
 }
+
+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")
+			}
+		})
+	}
+}