479 lines
8.7 KiB
Go
479 lines
8.7 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 tailcfg
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import (
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"encoding"
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"reflect"
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"strings"
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"testing"
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"time"
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"inet.af/netaddr"
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"tailscale.com/types/wgkey"
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)
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func fieldsOf(t reflect.Type) (fields []string) {
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for i := 0; i < t.NumField(); i++ {
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fields = append(fields, t.Field(i).Name)
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}
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return
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}
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func TestHostinfoEqual(t *testing.T) {
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hiHandles := []string{
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"IPNVersion", "FrontendLogID", "BackendLogID",
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"OS", "OSVersion", "Package", "DeviceModel", "Hostname",
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"ShieldsUp", "ShareeNode",
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"GoArch",
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"RoutableIPs", "RequestTags",
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"Services", "NetInfo",
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}
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if have := fieldsOf(reflect.TypeOf(Hostinfo{})); !reflect.DeepEqual(have, hiHandles) {
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t.Errorf("Hostinfo.Equal check might be out of sync\nfields: %q\nhandled: %q\n",
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have, hiHandles)
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}
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nets := func(strs ...string) (ns []netaddr.IPPrefix) {
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for _, s := range strs {
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n, err := netaddr.ParseIPPrefix(s)
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if err != nil {
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panic(err)
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}
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ns = append(ns, n)
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}
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return ns
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}
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tests := []struct {
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a, b *Hostinfo
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want bool
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}{
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{
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nil,
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nil,
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true,
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},
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{
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&Hostinfo{},
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nil,
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false,
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},
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{
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nil,
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&Hostinfo{},
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false,
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},
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{
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&Hostinfo{},
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&Hostinfo{},
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true,
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},
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{
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&Hostinfo{IPNVersion: "1"},
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&Hostinfo{IPNVersion: "2"},
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false,
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},
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{
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&Hostinfo{IPNVersion: "2"},
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&Hostinfo{IPNVersion: "2"},
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true,
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},
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{
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&Hostinfo{FrontendLogID: "1"},
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&Hostinfo{FrontendLogID: "2"},
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false,
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},
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{
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&Hostinfo{FrontendLogID: "2"},
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&Hostinfo{FrontendLogID: "2"},
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true,
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},
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{
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&Hostinfo{BackendLogID: "1"},
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&Hostinfo{BackendLogID: "2"},
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false,
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},
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{
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&Hostinfo{BackendLogID: "2"},
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&Hostinfo{BackendLogID: "2"},
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true,
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},
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{
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&Hostinfo{OS: "windows"},
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&Hostinfo{OS: "linux"},
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false,
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},
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{
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&Hostinfo{OS: "windows"},
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&Hostinfo{OS: "windows"},
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true,
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},
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{
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&Hostinfo{Hostname: "vega"},
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&Hostinfo{Hostname: "iris"},
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false,
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},
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{
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&Hostinfo{Hostname: "vega"},
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&Hostinfo{Hostname: "vega"},
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true,
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},
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{
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&Hostinfo{RoutableIPs: nil},
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&Hostinfo{RoutableIPs: nets("10.0.0.0/16")},
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false,
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},
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{
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&Hostinfo{RoutableIPs: nets("10.1.0.0/16", "192.168.1.0/24")},
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&Hostinfo{RoutableIPs: nets("10.2.0.0/16", "192.168.2.0/24")},
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false,
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},
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{
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&Hostinfo{RoutableIPs: nets("10.1.0.0/16", "192.168.1.0/24")},
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&Hostinfo{RoutableIPs: nets("10.1.0.0/16", "192.168.2.0/24")},
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false,
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},
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{
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&Hostinfo{RoutableIPs: nets("10.1.0.0/16", "192.168.1.0/24")},
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&Hostinfo{RoutableIPs: nets("10.1.0.0/16", "192.168.1.0/24")},
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true,
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},
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{
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&Hostinfo{RequestTags: []string{"abc", "def"}},
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&Hostinfo{RequestTags: []string{"abc", "def"}},
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true,
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},
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{
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&Hostinfo{RequestTags: []string{"abc", "def"}},
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&Hostinfo{RequestTags: []string{"abc", "123"}},
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false,
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},
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{
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&Hostinfo{RequestTags: []string{}},
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&Hostinfo{RequestTags: []string{"abc"}},
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false,
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},
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{
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&Hostinfo{Services: []Service{Service{Proto: TCP, Port: 1234, Description: "foo"}}},
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&Hostinfo{Services: []Service{Service{Proto: UDP, Port: 2345, Description: "bar"}}},
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false,
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},
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{
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&Hostinfo{Services: []Service{Service{Proto: TCP, Port: 1234, Description: "foo"}}},
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&Hostinfo{Services: []Service{Service{Proto: TCP, Port: 1234, Description: "foo"}}},
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true,
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},
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{
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&Hostinfo{ShareeNode: true},
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&Hostinfo{},
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false,
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},
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}
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for i, tt := range tests {
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got := tt.a.Equal(tt.b)
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if got != tt.want {
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t.Errorf("%d. Equal = %v; want %v", i, got, tt.want)
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}
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}
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}
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func TestNodeEqual(t *testing.T) {
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nodeHandles := []string{
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"ID", "StableID", "Name", "User", "Sharer",
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"Key", "KeyExpiry", "Machine", "DiscoKey",
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"Addresses", "AllowedIPs", "Endpoints", "DERP", "Hostinfo",
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"Created", "LastSeen", "KeepAlive", "MachineAuthorized",
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"ComputedName", "computedHostIfDifferent", "ComputedNameWithHost",
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}
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if have := fieldsOf(reflect.TypeOf(Node{})); !reflect.DeepEqual(have, nodeHandles) {
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t.Errorf("Node.Equal check might be out of sync\nfields: %q\nhandled: %q\n",
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have, nodeHandles)
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}
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newPublicKey := func(t *testing.T) wgkey.Key {
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t.Helper()
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k, err := wgkey.NewPrivate()
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if err != nil {
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t.Fatal(err)
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}
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return k.Public()
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}
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n1 := newPublicKey(t)
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now := time.Now()
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tests := []struct {
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a, b *Node
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want bool
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}{
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{
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&Node{},
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nil,
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false,
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},
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{
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nil,
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&Node{},
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false,
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},
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{
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&Node{},
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&Node{},
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true,
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},
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{
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&Node{},
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&Node{},
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true,
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},
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{
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&Node{ID: 1},
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&Node{},
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false,
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},
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{
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&Node{ID: 1},
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&Node{ID: 1},
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true,
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},
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{
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&Node{StableID: "node-abcd"},
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&Node{},
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false,
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},
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{
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&Node{StableID: "node-abcd"},
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&Node{StableID: "node-abcd"},
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true,
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},
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{
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&Node{User: 0},
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&Node{User: 1},
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false,
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},
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{
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&Node{User: 1},
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&Node{User: 1},
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true,
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},
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{
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&Node{Key: NodeKey(n1)},
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&Node{Key: NodeKey(newPublicKey(t))},
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false,
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},
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{
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&Node{Key: NodeKey(n1)},
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&Node{Key: NodeKey(n1)},
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true,
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},
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{
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&Node{KeyExpiry: now},
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&Node{KeyExpiry: now.Add(60 * time.Second)},
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false,
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},
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{
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&Node{KeyExpiry: now},
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&Node{KeyExpiry: now},
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true,
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},
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{
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&Node{Machine: MachineKey(n1)},
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&Node{Machine: MachineKey(newPublicKey(t))},
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false,
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},
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{
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&Node{Machine: MachineKey(n1)},
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&Node{Machine: MachineKey(n1)},
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true,
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},
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{
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&Node{Addresses: []netaddr.IPPrefix{}},
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&Node{Addresses: nil},
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false,
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},
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{
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&Node{Addresses: []netaddr.IPPrefix{}},
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&Node{Addresses: []netaddr.IPPrefix{}},
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true,
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},
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{
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&Node{AllowedIPs: []netaddr.IPPrefix{}},
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&Node{AllowedIPs: nil},
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false,
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},
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{
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&Node{Addresses: []netaddr.IPPrefix{}},
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&Node{Addresses: []netaddr.IPPrefix{}},
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true,
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},
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{
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&Node{Endpoints: []string{}},
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&Node{Endpoints: nil},
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false,
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},
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{
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&Node{Endpoints: []string{}},
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&Node{Endpoints: []string{}},
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true,
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},
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{
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&Node{Hostinfo: Hostinfo{Hostname: "alice"}},
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&Node{Hostinfo: Hostinfo{Hostname: "bob"}},
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false,
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},
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{
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&Node{Hostinfo: Hostinfo{}},
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&Node{Hostinfo: Hostinfo{}},
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true,
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},
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{
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&Node{Created: now},
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&Node{Created: now.Add(60 * time.Second)},
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false,
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},
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{
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&Node{Created: now},
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&Node{Created: now},
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true,
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},
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{
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&Node{LastSeen: &now},
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&Node{LastSeen: nil},
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false,
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},
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{
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&Node{LastSeen: &now},
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&Node{LastSeen: &now},
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true,
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},
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{
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&Node{DERP: "foo"},
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&Node{DERP: "bar"},
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false,
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},
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}
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for i, tt := range tests {
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got := tt.a.Equal(tt.b)
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if got != tt.want {
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t.Errorf("%d. Equal = %v; want %v", i, got, tt.want)
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}
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}
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}
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func TestNetInfoFields(t *testing.T) {
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handled := []string{
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"MappingVariesByDestIP",
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"HairPinning",
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"WorkingIPv6",
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"WorkingUDP",
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"HavePortMap",
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"UPnP",
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"PMP",
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"PCP",
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"PreferredDERP",
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"LinkType",
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"DERPLatency",
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}
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if have := fieldsOf(reflect.TypeOf(NetInfo{})); !reflect.DeepEqual(have, handled) {
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t.Errorf("NetInfo.Clone/BasicallyEqually check might be out of sync\nfields: %q\nhandled: %q\n",
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have, handled)
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}
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}
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func TestMachineKeyMarshal(t *testing.T) {
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var k1, k2 MachineKey
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for i := range k1 {
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k1[i] = byte(i)
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}
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testKey(t, "mkey:", k1, &k2)
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}
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func TestNodeKeyMarshal(t *testing.T) {
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var k1, k2 NodeKey
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for i := range k1 {
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k1[i] = byte(i)
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}
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testKey(t, "nodekey:", k1, &k2)
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}
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func TestDiscoKeyMarshal(t *testing.T) {
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var k1, k2 DiscoKey
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for i := range k1 {
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k1[i] = byte(i)
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}
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testKey(t, "discokey:", k1, &k2)
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}
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type keyIn interface {
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String() string
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MarshalText() ([]byte, error)
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}
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func testKey(t *testing.T, prefix string, in keyIn, out encoding.TextUnmarshaler) {
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got, err := in.MarshalText()
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if err != nil {
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t.Fatal(err)
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}
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if err := out.UnmarshalText(got); err != nil {
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t.Fatal(err)
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}
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if s := in.String(); string(got) != s {
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t.Errorf("MarshalText = %q != String %q", got, s)
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}
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if !strings.HasPrefix(string(got), prefix) {
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t.Errorf("%q didn't start with prefix %q", got, prefix)
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}
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if reflect.ValueOf(out).Elem().Interface() != in {
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t.Errorf("mismatch after unmarshal")
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}
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}
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func TestCloneUser(t *testing.T) {
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tests := []struct {
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name string
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u *User
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}{
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{"nil_logins", &User{}},
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{"zero_logins", &User{Logins: make([]LoginID, 0)}},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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u2 := tt.u.Clone()
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if !reflect.DeepEqual(tt.u, u2) {
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t.Errorf("not equal")
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}
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})
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}
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}
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func TestCloneNode(t *testing.T) {
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tests := []struct {
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name string
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v *Node
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}{
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{"nil_fields", &Node{}},
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{"zero_fields", &Node{
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Addresses: make([]netaddr.IPPrefix, 0),
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AllowedIPs: make([]netaddr.IPPrefix, 0),
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Endpoints: make([]string, 0),
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}},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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v2 := tt.v.Clone()
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if !reflect.DeepEqual(tt.v, v2) {
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t.Errorf("not equal")
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}
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})
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}
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}
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