socket.io/test/arraybuffer/polling.js

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

describe('arraybuffer', function() {
  this.timeout(10000);

  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.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 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.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();
      });
    });
  });

  //it('should be able to receive binary data when forcing base64 and not decode it when overriding ArrayBuffer (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.on('open', function() {
  //    socket.send(binaryData);
  //    var ab = global.ArrayBuffer;
  //    global.ArrayBuffer = undefined;
  //    var firstPacket = true;
  //    socket.on('message', function (data) {
  //      if (firstPacket) {
  //        firstPacket = false;
  //        return;
  //      }

  //      expect(data.base64).to.be(true);
  //      expect(data.data).to.equal('AAECAwQ=');

  //      global.ArrayBuffer = ab;
  //      socket.close();
  //      done();
  //    });
  //  });
  //});
});