netlink/addr_test.go

124 lines
3.3 KiB
Go

package netlink
import (
"net"
"os"
"syscall"
"testing"
)
func TestAddr(t *testing.T) {
if os.Getenv("TRAVIS_BUILD_DIR") != "" {
t.Skipf("Fails in travis with: addr_test.go:68: Address flags not set properly, got=0, expected=128")
}
// TODO: IFA_F_PERMANENT does not seem to be set by default on older kernels?
var address = &net.IPNet{IP: net.IPv4(127, 0, 0, 2), Mask: net.CIDRMask(24, 32)}
var peer = &net.IPNet{IP: net.IPv4(127, 0, 0, 3), Mask: net.CIDRMask(24, 32)}
var addrTests = []struct {
addr *Addr
expected *Addr
}{
{
&Addr{IPNet: address},
&Addr{IPNet: address, Label: "lo", Scope: syscall.RT_SCOPE_UNIVERSE, Flags: syscall.IFA_F_PERMANENT},
},
{
&Addr{IPNet: address, Label: "local"},
&Addr{IPNet: address, Label: "local", Scope: syscall.RT_SCOPE_UNIVERSE, Flags: syscall.IFA_F_PERMANENT},
},
{
&Addr{IPNet: address, Flags: syscall.IFA_F_OPTIMISTIC},
&Addr{IPNet: address, Label: "lo", Flags: syscall.IFA_F_OPTIMISTIC | syscall.IFA_F_PERMANENT, Scope: syscall.RT_SCOPE_UNIVERSE},
},
{
&Addr{IPNet: address, Flags: syscall.IFA_F_OPTIMISTIC | syscall.IFA_F_DADFAILED},
&Addr{IPNet: address, Label: "lo", Flags: syscall.IFA_F_OPTIMISTIC | syscall.IFA_F_DADFAILED | syscall.IFA_F_PERMANENT, Scope: syscall.RT_SCOPE_UNIVERSE},
},
{
&Addr{IPNet: address, Scope: syscall.RT_SCOPE_NOWHERE},
&Addr{IPNet: address, Label: "lo", Flags: syscall.IFA_F_PERMANENT, Scope: syscall.RT_SCOPE_NOWHERE},
},
{
&Addr{IPNet: address, Peer: peer},
&Addr{IPNet: address, Peer: peer, Label: "lo", Scope: syscall.RT_SCOPE_UNIVERSE, Flags: syscall.IFA_F_PERMANENT},
},
}
tearDown := setUpNetlinkTest(t)
defer tearDown()
link, err := LinkByName("lo")
if err != nil {
t.Fatal(err)
}
for _, tt := range addrTests {
if err = AddrAdd(link, tt.addr); err != nil {
t.Fatal(err)
}
addrs, err := AddrList(link, FAMILY_ALL)
if err != nil {
t.Fatal(err)
}
if len(addrs) != 1 {
t.Fatal("Address not added properly")
}
if !addrs[0].Equal(*tt.expected) {
t.Fatalf("Address ip no set properly, got=%s, expected=%s", addrs[0], tt.expected)
}
if addrs[0].Label != tt.expected.Label {
t.Fatalf("Address label not set properly, got=%s, expected=%s", addrs[0].Label, tt.expected.Label)
}
if addrs[0].Flags != tt.expected.Flags {
t.Fatalf("Address flags not set properly, got=%d, expected=%d", addrs[0].Flags, tt.expected.Flags)
}
if addrs[0].Scope != tt.expected.Scope {
t.Fatalf("Address scope not set properly, got=%d, expected=%d", addrs[0].Scope, tt.expected.Scope)
}
if tt.expected.Peer != nil {
if !addrs[0].PeerEqual(*tt.expected) {
t.Fatalf("Peer Address ip no set properly, got=%s, expected=%s", addrs[0].Peer, tt.expected.Peer)
}
}
// Pass FAMILY_V4, we should get the same results as FAMILY_ALL
addrs, err = AddrList(link, FAMILY_V4)
if err != nil {
t.Fatal(err)
}
if len(addrs) != 1 {
t.Fatal("Address not added properly")
}
// Pass a wrong family number, we should get nil list
addrs, err = AddrList(link, 0x8)
if err != nil {
t.Fatal(err)
}
if len(addrs) != 0 {
t.Fatal("Address not expected")
}
if err = AddrDel(link, tt.addr); err != nil {
t.Fatal(err)
}
addrs, err = AddrList(link, FAMILY_ALL)
if err != nil {
t.Fatal(err)
}
if len(addrs) != 0 {
t.Fatal("Address not removed properly")
}
}
}