Files
cloudpods/pkg/util/iproute2/link_test.go
2020-02-18 11:32:21 +08:00

69 lines
1.6 KiB
Go

// Copyright 2019 Yunion
//
// 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 iproute2
import (
"fmt"
"testing"
"github.com/vishvananda/netlink"
)
func genDummyName(t *testing.T) string {
for i := 0; i < 100; i++ {
name := fmt.Sprintf("dummy%d", i)
if _, err := netlink.LinkByName(name); err != nil {
return name
}
}
t.Fatalf("can't even find a dummy name")
return ""
}
func addDummy(t *testing.T, name string) *netlink.Dummy {
attrs := netlink.NewLinkAttrs()
attrs.Name = name
dum := &netlink.Dummy{
LinkAttrs: attrs,
}
if err := netlink.LinkAdd(dum); err != nil {
t.Skipf("add %s: %v", name, err)
}
return dum
}
func delDummy(t *testing.T, dum *netlink.Dummy) {
if err := netlink.LinkDel(dum); err != nil {
t.Errorf("del %s: %v", dum.Name, err)
}
}
func TestLink(t *testing.T) {
ifname := genDummyName(t)
dum := addDummy(t, ifname)
defer delDummy(t, dum)
l := NewLink(ifname)
l.Up().MTU(100).Address("00:11:22:33:44:55")
if err := l.Err(); err != nil {
t.Fatalf("got error: %v", err)
}
l.Down().MTU(120).Address("00:11:22:33:44:88")
if err := l.Err(); err != nil {
t.Fatalf("got error: %v", err)
}
}