mirror of
https://github.com/tailscale/tailscale.git
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fe7c3e9c17
This is mostly code movement from the wireguard-go repo.
Most of the new wgcfg package corresponds to the wireguard-go wgcfg package.
wgengine/wgcfg/device{_test}.go was device/config{_test}.go.
There were substantive but simple changes to device_test.go to remove
internal package device references.
The API of device.Config (now wgcfg.DeviceConfig) grew an error return;
we previously logged the error and threw it away.
Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
112 lines
2.9 KiB
Go
112 lines
2.9 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 wgcfg
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import (
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"bytes"
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"testing"
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)
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func TestKeyBasics(t *testing.T) {
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k1, err := NewPresharedKey()
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if err != nil {
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t.Fatal(err)
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}
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b, err := k1.MarshalJSON()
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if err != nil {
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t.Fatal(err)
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}
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t.Run("JSON round-trip", func(t *testing.T) {
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// should preserve the keys
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k2 := new(Key)
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if err := k2.UnmarshalJSON(b); err != nil {
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t.Fatal(err)
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}
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if !bytes.Equal(k1[:], k2[:]) {
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t.Fatalf("k1 %v != k2 %v", k1[:], k2[:])
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}
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if b1, b2 := k1.String(), k2.String(); b1 != b2 {
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t.Fatalf("base64-encoded keys do not match: %s, %s", b1, b2)
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}
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})
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t.Run("JSON incompatible with PrivateKey", func(t *testing.T) {
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k2 := new(PrivateKey)
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if err := k2.UnmarshalText(b); err == nil {
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t.Fatalf("successfully decoded key as private key")
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}
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})
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t.Run("second key", func(t *testing.T) {
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// A second call to NewPresharedKey should make a new key.
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k3, err := NewPresharedKey()
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if err != nil {
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t.Fatal(err)
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}
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if bytes.Equal(k1[:], k3[:]) {
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t.Fatalf("k1 %v == k3 %v", k1[:], k3[:])
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}
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// Check for obvious comparables to make sure we are not generating bad strings somewhere.
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if b1, b2 := k1.String(), k3.String(); b1 == b2 {
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t.Fatalf("base64-encoded keys match: %s, %s", b1, b2)
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}
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})
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}
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func TestPrivateKeyBasics(t *testing.T) {
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pri, err := NewPrivateKey()
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if err != nil {
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t.Fatal(err)
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}
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b, err := pri.MarshalText()
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if err != nil {
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t.Fatal(err)
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}
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t.Run("JSON round-trip", func(t *testing.T) {
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// should preserve the keys
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pri2 := new(PrivateKey)
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if err := pri2.UnmarshalText(b); err != nil {
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t.Fatal(err)
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}
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if !bytes.Equal(pri[:], pri2[:]) {
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t.Fatalf("pri %v != pri2 %v", pri[:], pri2[:])
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}
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if b1, b2 := pri.String(), pri2.String(); b1 != b2 {
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t.Fatalf("base64-encoded keys do not match: %s, %s", b1, b2)
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}
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if pub1, pub2 := pri.Public().String(), pri2.Public().String(); pub1 != pub2 {
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t.Fatalf("base64-encoded public keys do not match: %s, %s", pub1, pub2)
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}
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})
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t.Run("JSON incompatible with Key", func(t *testing.T) {
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k2 := new(Key)
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if err := k2.UnmarshalJSON(b); err == nil {
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t.Fatalf("successfully decoded private key as key")
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}
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})
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t.Run("second key", func(t *testing.T) {
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// A second call to New should make a new key.
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pri3, err := NewPrivateKey()
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if err != nil {
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t.Fatal(err)
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}
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if bytes.Equal(pri[:], pri3[:]) {
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t.Fatalf("pri %v == pri3 %v", pri[:], pri3[:])
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}
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// Check for obvious comparables to make sure we are not generating bad strings somewhere.
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if b1, b2 := pri.String(), pri3.String(); b1 == b2 {
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t.Fatalf("base64-encoded keys match: %s, %s", b1, b2)
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}
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if pub1, pub2 := pri.Public().String(), pri3.Public().String(); pub1 == pub2 {
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t.Fatalf("base64-encoded public keys match: %s, %s", pub1, pub2)
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}
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})
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}
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