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onionaddress_test.go
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onionaddress_test.go
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package shrek_test
import (
"bytes"
"fmt"
"testing"
"github.com/innix/shrek"
)
const (
// seed is the seed for the RNG.
seed = "12D345Y678g9X0qwKertIyhOgbnDXmjhgvfdcHxswq12w3De4r5t6y7Vu8i9oT0pmnbKvcxzF"
// seedHostname is the hostname generated by the RNG using the seed const.
seedHostname = "if62hgkxq6r7c3slwqaj3fhj6in7bcceinhqz7nt7jy6dk77gw4towid"
)
var (
// seedPublicKey is the public key generated by the RNG using the seed const.
seedPublicKey = []byte{
65, 125, 163, 153, 87, 135, 163, 241, 110, 75, 180, 0, 157, 148, 233, 242,
27, 240, 136, 68, 67, 79, 12, 253, 179, 250, 113, 225, 171, 255, 53, 185,
}
// seedSecretKey is the private key generated by the RNG using the seed const.
seedSecretKey = []byte{
224, 52, 184, 160, 72, 18, 130, 195, 179, 118, 143, 220, 68, 119, 107, 106,
133, 224, 81, 56, 152, 1, 136, 195, 2, 132, 2, 22, 233, 126, 231, 96, 101,
25, 142, 250, 122, 147, 138, 100, 183, 254, 174, 193, 28, 184, 254, 251,
154, 205, 94, 104, 106, 84, 161, 23, 92, 126, 34, 187, 241, 101, 129, 69,
}
)
func TestOnionAddress_HostName(t *testing.T) {
t.Parallel()
addr, err := shrek.GenerateOnionAddress(bytes.NewBufferString(seed))
if err != nil {
t.Fatalf("could not generate the prerequisite onion address: %v", err)
}
wanted := seedHostname
got := make([]byte, shrek.EncodedPublicKeySize)
addr.HostName(got)
if string(got) != wanted {
t.Errorf("public key not encoded correctly, got: %q, wanted: %q", got, wanted)
}
}
func TestOnionAddress_HostName_BadBuffer(t *testing.T) {
t.Parallel()
addr, err := shrek.GenerateOnionAddress(bytes.NewBufferString(seed))
if err != nil {
t.Fatalf("could not generate the prerequisite onion address: %v", err)
}
table := []struct {
ExpectPanic bool
Buffer []byte
}{
{ExpectPanic: true, Buffer: make([]byte, 0)},
{ExpectPanic: true, Buffer: make([]byte, shrek.EncodedPublicKeySize-1)},
{ExpectPanic: true, Buffer: make([]byte, shrek.EncodedPublicKeySize*2)},
{ExpectPanic: false, Buffer: make([]byte, shrek.EncodedPublicKeySize)},
}
for _, tc := range table {
tc := tc
name := fmt.Sprintf("buflen=%d_expectpanic=%v", len(tc.Buffer), tc.ExpectPanic)
t.Run(name, func(t *testing.T) {
t.Parallel()
defer func() {
if panicked := recover() != nil; panicked != tc.ExpectPanic {
if tc.ExpectPanic {
t.Error("expected panic, none was detected")
} else {
t.Error("did not expect panic, one was detected")
}
}
}()
addr.HostName(tc.Buffer)
})
}
}
func TestOnionAddress_HostNameString(t *testing.T) {
t.Parallel()
addr, err := shrek.GenerateOnionAddress(bytes.NewBufferString(seed))
if err != nil {
t.Fatalf("could not generate the prerequisite onion address: %v", err)
}
wanted := fmt.Sprintf("%s.onion", seedHostname)
got := addr.HostNameString()
if got != wanted {
t.Errorf("public key not encoded correctly, got: %q, wanted: %q", got, wanted)
}
}
func TestOnionAddress_HostNameApprox(t *testing.T) {
t.Parallel()
addr, err := shrek.GenerateOnionAddress(bytes.NewBufferString(seed))
if err != nil {
t.Fatalf("could not generate the prerequisite onion address: %v", err)
}
// Perform several iterations to ensure function is stateless and deterministic.
for i := 0; i < 3; i++ {
wanted := seedHostname
got := make([]byte, shrek.EncodedPublicKeySize)
addr.HostNameApprox(got)
if string(got[:shrek.EncodedPublicKeyApproxSize]) != wanted[:shrek.EncodedPublicKeyApproxSize] {
t.Errorf("public key not encoded correctly, got: %q, wanted: %q", got, wanted)
}
}
}
func TestGenerateOnionAddress(t *testing.T) {
t.Parallel()
addr, err := shrek.GenerateOnionAddress(bytes.NewBufferString(seed))
if err != nil {
t.Fatalf("could not generate the prerequisite onion address: %v", err)
}
if !bytes.Equal(addr.PublicKey, seedPublicKey) {
t.Errorf("unexpected public key, got: %v, wanted: %v", addr.PublicKey, seedPublicKey)
}
if !bytes.Equal(addr.SecretKey, seedSecretKey) {
t.Errorf("unexpected secret key, got: %v, wanted: %v", addr.SecretKey, seedSecretKey)
}
}
func BenchmarkOnionAddress_HostName(b *testing.B) {
addr, err := shrek.GenerateOnionAddress(bytes.NewBufferString(seed))
if err != nil {
b.Fatalf("could not generate the prerequisite onion address: %v", err)
}
hostname := make([]byte, shrek.EncodedPublicKeySize)
b.ResetTimer()
for i := 0; i < b.N; i++ {
addr.HostName(hostname)
}
}
func BenchmarkOnionAddress_HostNameApprox(b *testing.B) {
addr, err := shrek.GenerateOnionAddress(bytes.NewBufferString(seed))
if err != nil {
b.Fatalf("could not generate the prerequisite onion address: %v", err)
}
hostname := make([]byte, shrek.EncodedPublicKeySize)
b.ResetTimer()
for i := 0; i < b.N; i++ {
addr.HostNameApprox(hostname)
}
}
func BenchmarkGenerateOnionAddress(b *testing.B) {
for i := 0; i < b.N; i++ {
_, err := shrek.GenerateOnionAddress(nil)
if err != nil {
b.Fatalf("onion address generator errored unexpectedly during benchmark: %v", err)
}
}
}