go-ethereum/p2p/nat/natpmp_gateway_linux_test.go
2026-05-28 16:07:06 -05:00

56 lines
1.7 KiB
Go

// Copyright 2026 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
//go:build linux
package nat
import (
"net"
"testing"
)
func TestParseLinuxRouteTable(t *testing.T) {
data := []byte(`Iface Destination Gateway Flags RefCnt Use Metric Mask MTU Window IRTT
eth0 00000000 0101A8C0 0003 0 0 100 00000000 0 0 0
eth0 0001A8C0 00000000 0001 0 0 100 00FFFFFF 0 0 0
wlan0 00000000 FE01A8C0 0003 0 0 600 00000000 0 0 0
`)
got := parseLinuxRouteTable(data)
want := []net.IP{
net.IPv4(192, 168, 1, 1).To4(),
net.IPv4(192, 168, 1, 254).To4(),
}
if len(got) != len(want) {
t.Fatalf("got %d gateways, want %d", len(got), len(want))
}
for i := range want {
if !got[i].Equal(want[i]) {
t.Fatalf("gateway %d: got %v, want %v", i, got[i], want[i])
}
}
}
func TestParseLinuxRouteHexIPv4(t *testing.T) {
got, err := parseLinuxRouteHexIPv4("0101A8C0")
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
want := net.IPv4(192, 168, 1, 1).To4()
if !got.Equal(want) {
t.Fatalf("got %v, want %v", got, want)
}
}