tailscale/net/udprelay/endpoint/endpoint_test.go
Jordan Whited d6dd74fe0e
net/udprelay{/endpoint}: move ServerEndpoint tests (#15949)
Commit 0841477 moved ServerEndpoint to an independent package. Move its
tests over as well.

Updates tailscale/corp#27502

Signed-off-by: Jordan Whited <jordan@tailscale.com>
2025-05-12 09:25:59 -07:00

111 lines
3.8 KiB
Go

// Copyright (c) Tailscale Inc & AUTHORS
// SPDX-License-Identifier: BSD-3-Clause
package endpoint
import (
"encoding/json"
"math"
"net/netip"
"testing"
"time"
"github.com/google/go-cmp/cmp"
"github.com/google/go-cmp/cmp/cmpopts"
"tailscale.com/tstime"
"tailscale.com/types/key"
)
func TestServerEndpointJSONUnmarshal(t *testing.T) {
tests := []struct {
name string
json []byte
wantErr bool
}{
{
name: "valid",
json: []byte(`{"ServerDisco":"discokey:003cd7453e04a653eb0e7a18f206fc353180efadb2facfd05ebd6982a1392c7f","LamportID":18446744073709551615,"AddrPorts":["127.0.0.1:1","127.0.0.2:2"],"VNI":16777215,"BindLifetime":"30s","SteadyStateLifetime":"5m0s"}`),
wantErr: false,
},
{
name: "invalid ServerDisco",
json: []byte(`{"ServerDisco":"1","LamportID":18446744073709551615,"AddrPorts":["127.0.0.1:1","127.0.0.2:2"],"VNI":16777215,"BindLifetime":"30s","SteadyStateLifetime":"5m0s"}`),
wantErr: true,
},
{
name: "invalid LamportID",
json: []byte(`{"ServerDisco":"discokey:003cd7453e04a653eb0e7a18f206fc353180efadb2facfd05ebd6982a1392c7f","LamportID":1.1,"AddrPorts":["127.0.0.1:1","127.0.0.2:2"],"VNI":16777215,"BindLifetime":"30s","SteadyStateLifetime":"5m0s"}`),
wantErr: true,
},
{
name: "invalid AddrPorts",
json: []byte(`{"ServerDisco":"discokey:003cd7453e04a653eb0e7a18f206fc353180efadb2facfd05ebd6982a1392c7f","LamportID":18446744073709551615,"AddrPorts":["127.0.0.1.1:1","127.0.0.2:2"],"VNI":16777215,"BindLifetime":"30s","SteadyStateLifetime":"5m0s"}`),
wantErr: true,
},
{
name: "invalid VNI",
json: []byte(`{"ServerDisco":"discokey:003cd7453e04a653eb0e7a18f206fc353180efadb2facfd05ebd6982a1392c7f","LamportID":18446744073709551615,"AddrPorts":["127.0.0.1:1","127.0.0.2:2"],"VNI":18446744073709551615,"BindLifetime":"30s","SteadyStateLifetime":"5m0s"}`),
wantErr: true,
},
{
name: "invalid BindLifetime",
json: []byte(`{"ServerDisco":"discokey:003cd7453e04a653eb0e7a18f206fc353180efadb2facfd05ebd6982a1392c7f","LamportID":18446744073709551615,"AddrPorts":["127.0.0.1:1","127.0.0.2:2"],"VNI":16777215,"BindLifetime":"5","SteadyStateLifetime":"5m0s"}`),
wantErr: true,
},
{
name: "invalid SteadyStateLifetime",
json: []byte(`{"ServerDisco":"discokey:003cd7453e04a653eb0e7a18f206fc353180efadb2facfd05ebd6982a1392c7f","LamportID":18446744073709551615,"AddrPorts":["127.0.0.1:1","127.0.0.2:2"],"VNI":16777215,"BindLifetime":"30s","SteadyStateLifetime":"5"}`),
wantErr: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
var out ServerEndpoint
err := json.Unmarshal(tt.json, &out)
if tt.wantErr != (err != nil) {
t.Fatalf("wantErr: %v (err == nil): %v", tt.wantErr, err == nil)
}
if tt.wantErr {
return
}
})
}
}
func TestServerEndpointJSONMarshal(t *testing.T) {
tests := []struct {
name string
serverEndpoint ServerEndpoint
}{
{
name: "valid roundtrip",
serverEndpoint: ServerEndpoint{
ServerDisco: key.NewDisco().Public(),
LamportID: uint64(math.MaxUint64),
AddrPorts: []netip.AddrPort{netip.MustParseAddrPort("127.0.0.1:1"), netip.MustParseAddrPort("127.0.0.2:2")},
VNI: 1<<24 - 1,
BindLifetime: tstime.GoDuration{Duration: time.Second * 30},
SteadyStateLifetime: tstime.GoDuration{Duration: time.Minute * 5},
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
b, err := json.Marshal(&tt.serverEndpoint)
if err != nil {
t.Fatal(err)
}
var got ServerEndpoint
err = json.Unmarshal(b, &got)
if err != nil {
t.Fatal(err)
}
if diff := cmp.Diff(got, tt.serverEndpoint, cmpopts.EquateComparable(netip.AddrPort{}, key.DiscoPublic{})); diff != "" {
t.Fatalf("ServerEndpoint unequal (-got +want)\n%s", diff)
}
})
}
}