pull-protocol-buffers/test/index.js

Protocol Buffers length-prefixed pull-stream encoder/decoder

'use strict'

const chai = require('chai')
const should = chai.should()
const assert = require('assert')

const protostream = require('..')
const protostream_pull = require('../pull')

const pull = require('pull-stream')

const pb = require('protocol-buffers')
const testmsg = pb('message Test { string content = 1 ; }').Test
const testdata = ['hello', 'world', 'randomnonsense⅜£¤⅜£ŁŦŁŊẞ€Ŋ', 'hello world!!!1'].map(content => {
  return {
    content
  }
})

describe('pull-protocol-buffers', () => {
  describe('lp', () => {
    it('should decode and encode', () => {
      pull(
        pull.values(testdata.slice(0)),
        protostream.encode(testmsg),
        protostream.decode(testmsg),
        pull.collect((err, data) => {
          should.not.exist(err)
          assert.deepEqual(data, testdata, 'invalid data returned')
        })
      )
    })
  })

  const outdata = [testmsg.encode(testdata[3])]

  describe('single', () => {
    it('should encode a single element', () => {
      pull(
        pull.values(testdata.slice(3)),
        protostream_pull.encode(testmsg),
        pull.collect((err, data) => {
          should.not.exist(err)
          assert.deepEqual(data, outdata, 'invalid data returned')
        })
      )
    })

    it('should decode a single element', () => {
      pull(
        pull.values(outdata.slice(0)),
        protostream_pull.decode(testmsg),
        pull.collect((err, data) => {
          should.not.exist(err)
          assert.deepEqual(data, testdata.slice(3), 'invalid data returned')
        })
      )
    })
  })
})