socket.io/test/arraybuffer/polling.js

var expect = require('expect.js');
var eio = require('../../');

describe('arraybuffer', function() {
  this.timeout(30000);

  it('should be able to receive binary data when bouncing it back (polling)', function(done) {
    var binaryData = new Int8Array(5);
    for (var i = 0; i < 5; i++) {
      binaryData[i] = i;
    }
    var socket = new eio.Socket({ transports: ['polling'] });
    socket.binaryType = 'arraybuffer';
    socket.on('open', function() {
      socket.send(binaryData);
      socket.on('message', function (data) {
        if (data === 'hi') return;

        expect(data).to.be.an(ArrayBuffer);
        expect(new Int8Array(data)).to.eql(binaryData);
        socket.close();
        done();
      });
    });
  });

  it('should be able to receive binary data and a multibyte utf-8 string (polling)', function(done) {
    var binaryData = new Int8Array(5);
    for (var i = 0; i < 5; i++) {
      binaryData[i] = i;
    }

    var msg = 0;
    var socket = new eio.Socket({ transports: ['polling'] });
    socket.binaryType = 'arraybuffer';
    socket.on('open', function() {
      socket.send(binaryData);
      socket.send('cash money €€€');
      socket.on('message', function (data) {
        if (data === 'hi') return;

        if (msg == 0) {
          expect(data).to.be.an(ArrayBuffer);
          expect(new Int8Array(data)).to.eql(binaryData);
          msg++;
        } else {
          expect(data).to.be('cash money €€€');
          socket.close();
          done();
        }
      });
    });
  });

  it('should be able to receive binary data when forcing base64 (polling)', function(done) {
    var binaryData = new Int8Array(5);
    for (var i = 0; i < 5; i++) {
      binaryData[i] = i;
    }
    var socket = new eio.Socket({ forceBase64: true });
    socket.binaryType = 'arraybuffer';
    socket.on('open', function() {
      socket.send(binaryData);
      socket.on('message', function (data) {
        if (typeof data === 'string') return;

        expect(data).to.be.an(ArrayBuffer);
        var ia = new Int8Array(data);
        expect(ia).to.eql(binaryData);
        socket.close();
        done();
      });
    });
  });
});