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tailscale/tstest/natlab/vnet/conf_test.go

94 lines
2.2 KiB
Go

// Copyright (c) Tailscale Inc & AUTHORS
// SPDX-License-Identifier: BSD-3-Clause
package vnet
import (
"testing"
"time"
)
func TestConfig(t *testing.T) {
tests := []struct {
name string
setup func(*Config)
wantErr string
}{
{
name: "simple",
setup: func(c *Config) {
c.AddNode(c.AddNetwork("2.1.1.1", "192.168.1.1/24", EasyNAT, NATPMP))
c.AddNode(c.AddNetwork("2.2.2.2", "10.2.0.1/16", HardNAT))
},
},
{
name: "latency-and-loss",
setup: func(c *Config) {
n1 := c.AddNetwork("2.1.1.1", "192.168.1.1/24", EasyNAT, NATPMP)
n1.SetLatency(time.Second)
n1.SetPacketLoss(0.1)
c.AddNode(n1)
c.AddNode(c.AddNetwork("2.2.2.2", "10.2.0.1/16", HardNAT))
},
},
{
name: "indirect",
setup: func(c *Config) {
n1 := c.AddNode(c.AddNetwork("2.1.1.1", "192.168.1.1/24", HardNAT))
n1.Network().AddService(NATPMP)
c.AddNode(c.AddNetwork("2.2.2.2", "10.2.0.1/16", NAT("hard")))
},
},
{
name: "multi-node-in-net",
setup: func(c *Config) {
net1 := c.AddNetwork("2.1.1.1", "192.168.1.1/24")
c.AddNode(net1)
c.AddNode(net1)
},
},
{
name: "dup-wan-ip",
setup: func(c *Config) {
c.AddNetwork("2.1.1.1", "192.168.1.1/24")
c.AddNetwork("2.1.1.1", "10.2.0.1/16")
},
wantErr: "two networks have the same WAN IP 2.1.1.1; Anycast not (yet?) supported",
},
{
name: "one-to-one-nat-with-multiple-nodes",
setup: func(c *Config) {
net1 := c.AddNetwork("2.1.1.1", "192.168.1.1/24", One2OneNAT)
c.AddNode(net1)
c.AddNode(net1)
},
wantErr: "error creating NAT type \"one2one\" for network 2.1.1.1: can't use one2one NAT type on networks other than single-node networks",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
var c Config
tt.setup(&c)
_, err := New(&c)
if err == nil {
if tt.wantErr == "" {
return
}
t.Fatalf("got success; wanted error %q", tt.wantErr)
}
if err.Error() != tt.wantErr {
t.Fatalf("got error %q; want %q", err, tt.wantErr)
}
})
}
}
func TestNodeString(t *testing.T) {
if g, w := (&Node{num: 1}).String(), "node1"; g != w {
t.Errorf("got %q; want %q", g, w)
}
if g, w := (&node{num: 1}).String(), "node1"; g != w {
t.Errorf("got %q; want %q", g, w)
}
}