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tailscale/net/tsaddr/tsaddr_test.go

122 lines
3.0 KiB
Go

// Copyright (c) 2020 Tailscale Inc & AUTHORS All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package tsaddr
import (
"net/netip"
"testing"
"tailscale.com/net/netaddr"
)
func TestInCrostiniRange(t *testing.T) {
tests := []struct {
ip netip.Addr
want bool
}{
{netaddr.IPv4(192, 168, 0, 1), false},
{netaddr.IPv4(100, 101, 102, 103), false},
{netaddr.IPv4(100, 115, 92, 0), true},
{netaddr.IPv4(100, 115, 92, 5), true},
{netaddr.IPv4(100, 115, 92, 255), true},
{netaddr.IPv4(100, 115, 93, 40), true},
{netaddr.IPv4(100, 115, 94, 1), false},
}
for _, test := range tests {
if got := ChromeOSVMRange().Contains(test.ip); got != test.want {
t.Errorf("inCrostiniRange(%q) = %v, want %v", test.ip, got, test.want)
}
}
}
func TestTailscaleServiceIP(t *testing.T) {
got := TailscaleServiceIP().String()
want := "100.100.100.100"
if got != want {
t.Errorf("got %q; want %q", got, want)
}
if TailscaleServiceIPString != want {
t.Error("TailscaleServiceIPString is not consistent")
}
}
func TestTailscaleServiceIPv6(t *testing.T) {
got := TailscaleServiceIPv6().String()
want := "fd7a:115c:a1e0::53"
if got != want {
t.Errorf("got %q; want %q", got, want)
}
if TailscaleServiceIPv6String != want {
t.Error("TailscaleServiceIPv6String is not consistent")
}
}
func TestChromeOSVMRange(t *testing.T) {
if got, want := ChromeOSVMRange().String(), "100.115.92.0/23"; got != want {
t.Errorf("got %q; want %q", got, want)
}
}
func TestCGNATRange(t *testing.T) {
if got, want := CGNATRange().String(), "100.64.0.0/10"; got != want {
t.Errorf("got %q; want %q", got, want)
}
}
func TestNewContainsIPFunc(t *testing.T) {
f := NewContainsIPFunc([]netip.Prefix{netip.MustParsePrefix("10.0.0.0/8")})
if f(netip.MustParseAddr("8.8.8.8")) {
t.Fatal("bad")
}
if !f(netip.MustParseAddr("10.1.2.3")) {
t.Fatal("bad")
}
f = NewContainsIPFunc([]netip.Prefix{netip.MustParsePrefix("10.1.2.3/32")})
if !f(netip.MustParseAddr("10.1.2.3")) {
t.Fatal("bad")
}
f = NewContainsIPFunc([]netip.Prefix{
netip.MustParsePrefix("10.1.2.3/32"),
netip.MustParsePrefix("::2/128"),
})
if !f(netip.MustParseAddr("::2")) {
t.Fatal("bad")
}
f = NewContainsIPFunc([]netip.Prefix{
netip.MustParsePrefix("10.1.2.3/32"),
netip.MustParsePrefix("10.1.2.4/32"),
netip.MustParsePrefix("::2/128"),
})
if !f(netip.MustParseAddr("10.1.2.4")) {
t.Fatal("bad")
}
}
var sinkIP netip.Addr
func BenchmarkTailscaleServiceAddr(b *testing.B) {
b.ReportAllocs()
for i := 0; i < b.N; i++ {
sinkIP = TailscaleServiceIP()
}
}
func TestUnmapVia(t *testing.T) {
tests := []struct {
ip string
want string
}{
{"1.2.3.4", "1.2.3.4"}, // unchanged v4
{"fd7a:115c:a1e0:b1a::bb:10.2.1.3", "10.2.1.3"},
{"fd7a:115c:a1e0:b1b::bb:10.2.1.4", "fd7a:115c:a1e0:b1b:0:bb:a02:104"}, // "b1b",not "bia"
}
for _, tt := range tests {
if got := UnmapVia(netip.MustParseAddr(tt.ip)).String(); got != tt.want {
t.Errorf("for %q: got %q, want %q", tt.ip, got, tt.want)
}
}
}