mirror of
https://github.com/tailscale/tailscale.git
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71 lines
1.5 KiB
Go
71 lines
1.5 KiB
Go
// Copyright (c) 2020 Tailscale Inc & AUTHORS All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package interfaces
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import (
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"encoding/json"
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"testing"
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"inet.af/netaddr"
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)
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func TestGetState(t *testing.T) {
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st, err := GetState()
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if err != nil {
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t.Fatal(err)
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}
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j, err := json.MarshalIndent(st, "", "\t")
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if err != nil {
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t.Errorf("JSON: %v", err)
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}
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t.Logf("Got: %s", j)
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t.Logf("As string: %s", st)
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st2, err := GetState()
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if err != nil {
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t.Fatal(err)
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}
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if !st.EqualFiltered(st2, FilterAll) {
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// let's assume nobody was changing the system network interfaces between
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// the two GetState calls.
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t.Fatal("two States back-to-back were not equal")
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}
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t.Logf("As string:\n\t%s", st)
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}
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func TestLikelyHomeRouterIP(t *testing.T) {
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gw, my, ok := LikelyHomeRouterIP()
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if !ok {
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t.Logf("no result")
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return
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}
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t.Logf("myIP = %v; gw = %v", my, gw)
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}
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func TestIsUsableV6(t *testing.T) {
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tests := []struct {
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name string
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ip string
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want bool
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}{
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{"first ULA", "fc00::1", true},
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{"Tailscale", "fd7a:115c:a1e0::1", false},
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{"Cloud Run", "fddf:3978:feb1:d745::1", true},
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{"zeros", "0000:0000:0000:0000:0000:0000:0000:0000", false},
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{"Link Local", "fe80::1", false},
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{"Global", "2602::1", true},
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{"IPv4 public", "192.0.2.1", false},
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{"IPv4 private", "192.168.1.1", false},
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}
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for _, test := range tests {
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if got := isUsableV6(netaddr.MustParseIP(test.ip)); got != test.want {
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t.Errorf("isUsableV6(%s) = %v, want %v", test.name, got, test.want)
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}
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}
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}
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