bip39/test/index.js

112 lines
3.2 KiB
JavaScript

var assert = require('assert')
var BIP39 = require('../index.js')
var wordlists = {
english: require('../wordlists/en.json'),
custom: require('./wordlist.json')
}
var vectors = require('./vectors.json')
describe('BIP39', function() {
describe('mnemonicToSeedHex', function() {
this.timeout(20000)
vectors.english.forEach(function(v, i) {
it('works for tests vector ' + i, function() {
assert.equal(BIP39.mnemonicToSeedHex(v[1], 'TREZOR'), v[2])
})
})
})
describe('mnemonicToEntropy', function() {
vectors.english.forEach(function(v, i) {
it('works for tests vector ' + i, function() {
assert.equal(BIP39.mnemonicToEntropy(v[1]), v[0])
})
})
vectors.custom.forEach(function(v, i) {
it('works for custom test vector ' + i, function() {
assert.equal(BIP39.mnemonicToEntropy(v[1], wordlists.custom), v[0])
})
})
})
describe('entropyToMnemonic', function() {
vectors.english.forEach(function(v, i) {
it('works for tests vector ' + i, function() {
assert.equal(BIP39.entropyToMnemonic(v[0]), v[1])
})
})
vectors.custom.forEach(function(v, i) {
it('works for custom test vector ' + i, function() {
assert.equal(BIP39.entropyToMnemonic(v[0], wordlists.custom), v[1])
})
})
})
describe('generateMnemonic', function() {
it('generates a mnemonic', function() {
var mnemonic = BIP39.generateMnemonic(96)
var words = mnemonic.split(' ')
assert.equal(words.length, 9)
})
it('allows a custom RNG to be used', function() {
var rng = function(size) {
var buffer = new Buffer(size)
buffer.fill(4) // guaranteed random
return buffer
}
var mnemonic = BIP39.generateMnemonic(64, rng)
assert.equal(mnemonic, 'advice cage absurd amount doctor act')
})
it('adheres to a custom wordlist', function() {
var rng = function(size) {
var buffer = new Buffer(size)
buffer.fill(4) // guaranteed random
return buffer
}
var mnemonic = BIP39.generateMnemonic(64, rng, wordlists.custom)
assert.equal(mnemonic, 'adv1c3 cag3 ab5urd am0unt d0ct0r act')
})
})
describe('validateMnemonic', function() {
vectors.english.forEach(function(v, i) {
it('passes check ' + i, function() {
assert(BIP39.validateMnemonic(v[1]))
})
})
describe('with a custom wordlist', function() {
vectors.custom.forEach(function(v, i) {
it('passes custom check ' + i, function() {
assert(BIP39.validateMnemonic(v[1], wordlists.custom))
})
})
})
it('fails for mnemonics of wrong length', function() {
assert(!BIP39.validateMnemonic('sleep kitten'))
assert(!BIP39.validateMnemonic('sleep kitten sleep kitten sleep kitten'))
})
it('fails for mnemonics that contains words not from the word list', function() {
assert(!BIP39.validateMnemonic("turtle front uncle idea crush write shrug there lottery flower risky shell"))
})
it('fails for mnemonics of invalid checksum', function() {
assert(!BIP39.validateMnemonic('sleep kitten sleep kitten sleep kitten sleep kitten sleep kitten sleep kitten'))
})
})
})