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