nftables/expr/ct_test.go

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package expr
import (
"encoding/binary"
"reflect"
"testing"
"github.com/mdlayher/netlink"
"golang.org/x/sys/unix"
)
func TestCt(t *testing.T) {
t.Parallel()
tests := []struct {
name string
ct Ct
}{
{
name: "Unmarshal Ct status case",
ct: Ct{
Register: 1,
Key: CtKeySTATUS,
},
},
{
name: "Unmarshal Ct proto-dst direction original case",
ct: Ct{
Register: 1,
Key: CtKeyPROTODST,
Direction: 0, // direction: original
},
},
{
name: "Unmarshal Ct src direction reply case",
ct: Ct{
Register: 1,
Key: CtKeySRC,
Direction: 1, // direction: reply
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
nct := Ct{}
data, err := tt.ct.marshal(0 /* don't care in this test */)
if err != nil {
t.Fatalf("marshal error: %+v", err)
}
ad, err := netlink.NewAttributeDecoder(data)
if err != nil {
t.Fatalf("NewAttributeDecoder() error: %+v", err)
}
ad.ByteOrder = binary.BigEndian
for ad.Next() {
if ad.Type() == unix.NFTA_EXPR_DATA {
if err := nct.unmarshal(0, ad.Bytes()); err != nil {
t.Errorf("unmarshal error: %+v", err)
break
}
}
}
if !reflect.DeepEqual(tt.ct, nct) {
t.Fatalf("original %+v and recovered %+v Ct structs are different", tt.ct, nct)
}
})
}
}