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mnemonic_test.go
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mnemonic_test.go
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package bip39_test
import (
"bytes"
"io"
"testing"
"github.com/sammyne/bip39"
"github.com/sammyne/bip39/dict"
)
func TestGenerateMnemonic_en_Error(t *testing.T) {
testCases := []struct {
entropy []byte
n int
expect error
}{
{ // no error for comparison
[]byte{
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
},
16,
nil,
},
{ // invalid entropy length
[]byte{
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
},
17,
bip39.ErrEntropyLen,
},
{ // not enough entropy
[]byte{
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
},
16,
io.ErrUnexpectedEOF,
},
}
for i, c := range testCases {
rand := bytes.NewBuffer(c.entropy)
if _, got := bip39.GenerateMnemonic(rand, c.n); got != c.expect {
t.Fatalf("#%d unexpected error: got %v, expect %v", i, got, c.expect)
}
}
}
func TestGenerateMnemonic_en_OK(t *testing.T) {
testCases := ReadTrezorGoldenJSON(t)
for i, c := range testCases {
rand := bytes.NewBuffer(c.Entropy)
//got, err := bip39.NewMnemonic(c.Entropy)
got, err := bip39.GenerateMnemonic(rand, rand.Len())
if nil != err {
t.Fatalf("#%d unexpected error: %v", i, err)
}
if got != c.Mnemonic {
t.Fatalf("#%d invalid mnemonic: got %s, expect %s", i, got, c.Mnemonic)
}
}
}
func TestNewMnemonic_en_Error(t *testing.T) {
testCases := []struct {
entropy []byte
lang dict.Language
expect error
}{
{ // no error for comparison
[]byte{
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
},
dict.English,
nil,
},
{ // invalid entropy length
[]byte{
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x01,
},
dict.English,
bip39.ErrEntropyLen,
},
{ // unsupported language
[]byte{
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
},
dict.Reserved,
dict.ErrUnknownLanguage,
},
}
for i, c := range testCases {
if _, got := bip39.NewMnemonic(c.entropy, c.lang); got != c.expect {
t.Fatalf("#%d unexpected error: got %v, expect %v", i, got, c.expect)
}
}
}
func TestNewMnemonic_en_OK(t *testing.T) {
testCases := ReadTrezorGoldenJSON(t)
for i, c := range testCases {
got, err := bip39.NewMnemonic(c.Entropy)
if nil != err {
t.Fatalf("#%d unexpected error: %v", i, err)
}
if got != c.Mnemonic {
t.Fatalf("#%d invalid mnemonic: got %s, expect %s", i, got, c.Mnemonic)
}
}
}
func TestNewMnemonic_OK_jp(t *testing.T) {
const lang = dict.Japanese
var testCases []*GoldieJP
ReadGoldenJSON(t, GoldenJP, &testCases)
for i, c := range testCases {
got, err := bip39.NewMnemonic(c.Entropy, lang)
if nil != err {
t.Fatalf("#%d unexpected error: %v", i, err)
}
if got != c.Mnemonic {
t.Fatalf("#%d invalid mnemonic: got %s, expect %s", i, got, c.Mnemonic)
}
}
}
func TestValidateMnemonic_en_OK(t *testing.T) {
testCases := ReadTrezorGoldenJSON(t)
for i, c := range testCases {
if !bip39.ValidateMnemonic(c.Mnemonic) {
t.Fatalf("#%d mnemonic should be valid", i)
}
}
}
func TestValidateMnemonic_jp_OK(t *testing.T) {
const lang = dict.Japanese
var testCases []*GoldieJP
ReadGoldenJSON(t, GoldenJP, &testCases)
for i, c := range testCases {
if !bip39.ValidateMnemonic(c.Mnemonic, lang) {
t.Fatalf("#%d mnemonic should be valid", i)
}
}
}