core/node_modules/create-hash/test.js

var test = require('tape')

var algorithms = ['sha1', 'sha224', 'sha256', 'sha384', 'sha512', 'md5', 'rmd160', 'ripemd160']
var encodings = ['hex', 'base64'] // ignore binary
var vectors = require('hash-test-vectors')
vectors.forEach(function (vector) {
  vector.ripemd160 = vector.rmd160
})
var createHash = require('./browser')

algorithms.forEach(function (algorithm) {
  test('test ' + algorithm + ' against test vectors', function (t) {
    vectors.forEach(function (obj, i) {
      var input = new Buffer(obj.input, 'base64')
      var node = obj[algorithm]
      var js = createHash(algorithm).update(input).digest('hex')
      t.equal(js, node, algorithm + '(testVector[' + i + ']) == ' + node)
    })

    encodings.forEach(function (encoding) {
      vectors.forEach(function (obj, i) {
        var input = new Buffer(obj.input, 'base64').toString(encoding)
        var node = obj[algorithm]
        var js = createHash(algorithm).update(input, encoding).digest('hex')
        t.equal(js, node, algorithm + '(testVector[' + i + '], ' + encoding + ') == ' + node)
      })
    })

    vectors.forEach(function (obj, i) {
      var input = new Buffer(obj.input, 'base64')
      var node = obj[algorithm]
      var hash = createHash(algorithm)
      hash.end(input)
      var js = hash.read().toString('hex')
      t.equal(js, node, algorithm + '(testVector[' + i + ']) == ' + node)
    })

    t.end()
  })
})