mirror of
https://github.com/tailscale/tailscale.git
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121 lines
2.5 KiB
Go
121 lines
2.5 KiB
Go
// Copyright (c) 2021 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 ipnlocal
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import (
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"testing"
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"inet.af/netaddr"
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"tailscale.com/tailcfg"
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"tailscale.com/types/netmap"
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)
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func TestNetworkMapCompare(t *testing.T) {
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prefix1, err := netaddr.ParseIPPrefix("192.168.0.0/24")
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if err != nil {
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t.Fatal(err)
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}
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node1 := &tailcfg.Node{Addresses: []netaddr.IPPrefix{prefix1}}
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prefix2, err := netaddr.ParseIPPrefix("10.0.0.0/8")
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if err != nil {
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t.Fatal(err)
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}
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node2 := &tailcfg.Node{Addresses: []netaddr.IPPrefix{prefix2}}
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tests := []struct {
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name string
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a, b *netmap.NetworkMap
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want bool
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}{
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{
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"both nil",
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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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"b nil",
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&netmap.NetworkMap{},
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nil,
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false,
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},
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{
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"a nil",
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nil,
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&netmap.NetworkMap{},
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false,
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},
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{
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"both default",
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&netmap.NetworkMap{},
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&netmap.NetworkMap{},
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true,
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},
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{
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"names identical",
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&netmap.NetworkMap{Name: "map1"},
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&netmap.NetworkMap{Name: "map1"},
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true,
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},
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{
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"names differ",
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&netmap.NetworkMap{Name: "map1"},
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&netmap.NetworkMap{Name: "map2"},
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false,
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},
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{
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"Peers identical",
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&netmap.NetworkMap{Peers: []*tailcfg.Node{}},
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&netmap.NetworkMap{Peers: []*tailcfg.Node{}},
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true,
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},
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{
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"Peer list length",
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// length of Peers list differs
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&netmap.NetworkMap{Peers: []*tailcfg.Node{{}}},
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&netmap.NetworkMap{Peers: []*tailcfg.Node{}},
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false,
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},
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{
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"Node names identical",
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&netmap.NetworkMap{Peers: []*tailcfg.Node{&tailcfg.Node{Name: "A"}}},
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&netmap.NetworkMap{Peers: []*tailcfg.Node{&tailcfg.Node{Name: "A"}}},
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true,
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},
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{
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"Node names differ",
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&netmap.NetworkMap{Peers: []*tailcfg.Node{&tailcfg.Node{Name: "A"}}},
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&netmap.NetworkMap{Peers: []*tailcfg.Node{&tailcfg.Node{Name: "B"}}},
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false,
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},
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{
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"Node lists identical",
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&netmap.NetworkMap{Peers: []*tailcfg.Node{node1, node1}},
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&netmap.NetworkMap{Peers: []*tailcfg.Node{node1, node1}},
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true,
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},
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{
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"Node lists differ",
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&netmap.NetworkMap{Peers: []*tailcfg.Node{node1, node1}},
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&netmap.NetworkMap{Peers: []*tailcfg.Node{node1, node2}},
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false,
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},
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{
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"Node Users differ",
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// User field is not checked.
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&netmap.NetworkMap{Peers: []*tailcfg.Node{&tailcfg.Node{User: 0}}},
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&netmap.NetworkMap{Peers: []*tailcfg.Node{&tailcfg.Node{User: 1}}},
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true,
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},
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}
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for _, tt := range tests {
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got := dnsMapsEqual(tt.a, tt.b)
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if got != tt.want {
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t.Errorf("%s: Equal = %v; want %v", tt.name, got, tt.want)
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}
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}
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}
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