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// Copyright 2023 Google LLC. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package expr
import (
"encoding/binary"
"reflect"
"testing"
"github.com/mdlayher/netlink"
"golang.org/x/sys/unix"
)
func TestSocket(t *testing.T) {
t.Parallel()
tests := []struct {
name string
socket Socket
}{
{
name: "Unmarshal `socket transparent`",
socket: Socket{
Key: SocketKeyTransparent,
Level: 0,
Register: 1,
},
},
{
name: "Unmarshal `socket cgroup level 5`",
socket: Socket{
Key: SocketKeyCgroupv2,
Level: 5,
Register: 1,
},
},
{
name: "Unmarshal `socket cgroup level 1`",
socket: Socket{
Key: SocketKeyCgroupv2,
Level: 1,
Register: 1,
},
},
{
name: "Unmarshal `socket wildcard`",
socket: Socket{
Key: SocketKeyWildcard,
Level: 0,
Register: 1,
},
},
{
name: "Unmarshal `socket mark`",
socket: Socket{
Key: SocketKeyMark,
Level: 0,
Register: 1,
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
nSocket := Socket{}
data, err := tt.socket.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 := nSocket.unmarshal(0, ad.Bytes()); err != nil {
t.Errorf("unmarshal error: %+v", err)
break
}
}
}
if !reflect.DeepEqual(tt.socket, nSocket) {
t.Fatalf("original %+v and recovered %+v Socket structs are different", tt.socket, nSocket)
}
})
}
}
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