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|
package dhcpv6
import (
"errors"
"fmt"
"reflect"
"testing"
"github.com/google/go-cmp/cmp"
"github.com/u-root/uio/uio"
)
func TestVendorOptsParseAndGetter(t *testing.T) {
for i, tt := range []struct {
buf []byte
err error
want []*OptVendorOpts
}{
{
buf: []byte{
0, 17, // VendorOpts option
0, 10, // length
0, 0, 0, 16,
0, 5, // type
0, 2, // length
0xa, 0xb,
0, 17, // VendorOpts option
0, 9, // length
0, 0, 0, 14,
0, 9, // type
0, 1, // length
0xa,
},
want: []*OptVendorOpts{
&OptVendorOpts{
EnterpriseNumber: 16,
VendorOpts: Options{
&OptionGeneric{OptionCode: 5, OptionData: []byte{0xa, 0xb}},
},
},
&OptVendorOpts{
EnterpriseNumber: 14,
VendorOpts: Options{
&OptionGeneric{OptionCode: 9, OptionData: []byte{0xa}},
},
},
},
},
{
buf: nil,
want: nil,
},
{
buf: []byte{0, 17, 0, 1, 0},
want: nil,
err: uio.ErrUnreadBytes,
},
{
buf: []byte{0, 17, 0},
want: nil,
err: uio.ErrUnreadBytes,
},
} {
t.Run(fmt.Sprintf("%d", i), func(t *testing.T) {
var mo MessageOptions
if err := mo.FromBytes(tt.buf); !errors.Is(err, tt.err) {
t.Errorf("FromBytes = %v, want %v", err, tt.err)
}
if got := mo.VendorOpts(); !reflect.DeepEqual(got, tt.want) {
t.Errorf("VendorOpts = %v, want %v", got, tt.want)
}
for _, vo := range tt.want {
if got := mo.VendorOpt(vo.EnterpriseNumber); !reflect.DeepEqual(got, vo.VendorOpts) {
t.Errorf("VendorOpt(%d) = %v, want %v", vo.EnterpriseNumber, got, vo.VendorOpts)
}
}
if got := mo.VendorOpt(100); got != nil {
t.Errorf("VendorOpt(100) = %v, not nil", got)
}
if tt.want != nil {
var m MessageOptions
for _, opt := range tt.want {
m.Add(opt)
}
got := m.ToBytes()
if diff := cmp.Diff(tt.buf, got); diff != "" {
t.Errorf("ToBytes mismatch (-want, +got): %s", diff)
}
}
})
}
}
|
