67 lines
1.3 KiB
Go
67 lines
1.3 KiB
Go
package expr
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import (
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"encoding/binary"
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"reflect"
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"testing"
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"github.com/mdlayher/netlink"
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"golang.org/x/sys/unix"
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)
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func TestNat(t *testing.T) {
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t.Parallel()
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tests := []struct {
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name string
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nat NAT
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}{
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{
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name: "Unmarshal DNAT specified case",
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nat: NAT{
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Type: NATTypeDestNAT,
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Family: unix.NFPROTO_IPV4,
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RegAddrMin: 1,
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RegProtoMin: 2,
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Specified: true,
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},
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},
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{
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name: "Unmarshal SNAT persistent case",
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nat: NAT{
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Type: NATTypeSourceNAT,
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Family: unix.NFPROTO_IPV4,
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RegAddrMin: 1,
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RegProtoMin: 2,
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Persistent: true,
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},
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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nnat := NAT{}
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data, err := tt.nat.marshal(0 /* don't care in this test */)
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if err != nil {
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t.Fatalf("marshal error: %+v", err)
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}
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ad, err := netlink.NewAttributeDecoder(data)
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if err != nil {
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t.Fatalf("NewAttributeDecoder() error: %+v", err)
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}
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ad.ByteOrder = binary.BigEndian
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for ad.Next() {
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if ad.Type() == unix.NFTA_EXPR_DATA {
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if err := nnat.unmarshal(0, ad.Bytes()); err != nil {
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t.Errorf("unmarshal error: %+v", err)
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break
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}
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}
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}
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if !reflect.DeepEqual(tt.nat, nnat) {
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t.Fatalf("original %+v and recovered %+v Ct structs are different", tt.nat, nnat)
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}
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})
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}
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}
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