// Copyright (c) Tailscale Inc & AUTHORS // SPDX-License-Identifier: BSD-3-Clause package vnet import "testing" 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: "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) } }) } }