aaac7fed
 liuqimichale
add
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var Buffer = require('safe-buffer').Buffer
var CipherBase = require('./')
var test = require('tape')
var inherits = require('inherits')
test('basic version', function (t) {
function Cipher () {
CipherBase.call(this)
}
inherits(Cipher, CipherBase)
Cipher.prototype._update = function (input) {
t.ok(Buffer.isBuffer(input))
return input
}
Cipher.prototype._final = function () {
// noop
}
var cipher = new Cipher()
var utf8 = 'abc123abcd'
var update = cipher.update(utf8, 'utf8', 'base64') + cipher.final('base64')
var string = (Buffer.from(update, 'base64')).toString()
t.equals(utf8, string)
t.end()
})
test('hash mode', function (t) {
function Cipher () {
CipherBase.call(this, 'finalName')
this._cache = []
}
inherits(Cipher, CipherBase)
Cipher.prototype._update = function (input) {
t.ok(Buffer.isBuffer(input))
this._cache.push(input)
}
Cipher.prototype._final = function () {
return Buffer.concat(this._cache)
}
var cipher = new Cipher()
var utf8 = 'abc123abcd'
var update = cipher.update(utf8, 'utf8').finalName('base64')
var string = (Buffer.from(update, 'base64')).toString()
t.equals(utf8, string)
t.end()
})
test('hash mode as stream', function (t) {
function Cipher () {
CipherBase.call(this, 'finalName')
this._cache = []
}
inherits(Cipher, CipherBase)
Cipher.prototype._update = function (input) {
t.ok(Buffer.isBuffer(input))
this._cache.push(input)
}
Cipher.prototype._final = function () {
return Buffer.concat(this._cache)
}
var cipher = new Cipher()
cipher.on('error', function (e) {
t.notOk(e)
})
var utf8 = 'abc123abcd'
cipher.end(utf8, 'utf8')
var update = cipher.read().toString('base64')
var string = (Buffer.from(update, 'base64')).toString()
t.equals(utf8, string)
t.end()
})
test('encodings', function (t) {
inherits(Cipher, CipherBase)
function Cipher () {
CipherBase.call(this)
}
Cipher.prototype._update = function (input) {
return input
}
Cipher.prototype._final = function () {
// noop
}
t.test('mix and match encoding', function (t) {
t.plan(2)
var cipher = new Cipher()
cipher.update('foo', 'utf8', 'utf8')
t.throws(function () {
cipher.update('foo', 'utf8', 'base64')
})
cipher = new Cipher()
cipher.update('foo', 'utf8', 'base64')
t.doesNotThrow(function () {
cipher.update('foo', 'utf8')
cipher.final('base64')
})
})
t.test('handle long uft8 plaintexts', function (t) {
t.plan(1)
var txt = 'ふっかつ あきる すぶり はやい つける まゆげ たんさん みんぞく ねほりはほり せまい たいまつばな ひはん'
var cipher = new Cipher()
var decipher = new Cipher()
var enc = decipher.update(cipher.update(txt, 'utf8', 'base64'), 'base64', 'utf8')
enc += decipher.update(cipher.final('base64'), 'base64', 'utf8')
enc += decipher.final('utf8')
t.equals(txt, enc)
})
})
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