snowflake/proxy/spec/snowflake.spec.js

// Generated by CoffeeScript 2.4.1
/*
jasmine tests for Snowflake
*/
var FakeBroker, PeerConnection, SessionDescription, WebSocket, config, log, ui;

// Fake browser functionality:
PeerConnection = class PeerConnection {
  setRemoteDescription() {
    return true;
  }

  send(data) {}

};

SessionDescription = (function() {
  class SessionDescription {};

  SessionDescription.prototype.type = 'offer';

  return SessionDescription;

}).call(this);

WebSocket = (function() {
  class WebSocket {
    constructor() {
      this.bufferedAmount = 0;
    }

    send(data) {}

  };

  WebSocket.prototype.OPEN = 1;

  WebSocket.prototype.CLOSED = 0;

  return WebSocket;

}).call(this);

log = function() {};

config = new Config;

ui = new UI;

FakeBroker = class FakeBroker {
  getClientOffer() {
    return new Promise(function(F, R) {
      return {};
    });
  }

};

describe('Snowflake', function() {
  it('constructs correctly', function() {
    var s;
    s = new Snowflake(config, ui, {
      fake: 'broker'
    });
    expect(s.rateLimit).not.toBeNull();
    expect(s.broker).toEqual({
      fake: 'broker'
    });
    expect(s.ui).not.toBeNull();
    return expect(s.retries).toBe(0);
  });
  it('sets relay address correctly', function() {
    var s;
    s = new Snowflake(config, ui, null);
    s.setRelayAddr('foo');
    return expect(s.relayAddr).toEqual('foo');
  });
  it('initalizes WebRTC connection', function() {
    var s;
    s = new Snowflake(config, ui, new FakeBroker());
    spyOn(s.broker, 'getClientOffer').and.callThrough();
    s.beginWebRTC();
    expect(s.retries).toBe(1);
    return expect(s.broker.getClientOffer).toHaveBeenCalled();
  });
  it('receives SDP offer and sends answer', function() {
    var pair, s;
    s = new Snowflake(config, ui, new FakeBroker());
    pair = {
      receiveWebRTCOffer: function() {}
    };
    spyOn(pair, 'receiveWebRTCOffer').and.returnValue(true);
    spyOn(s, 'sendAnswer');
    s.receiveOffer(pair, '{"type":"offer","sdp":"foo"}');
    return expect(s.sendAnswer).toHaveBeenCalled();
  });
  it('does not send answer when receiving invalid offer', function() {
    var pair, s;
    s = new Snowflake(config, ui, new FakeBroker());
    pair = {
      receiveWebRTCOffer: function() {}
    };
    spyOn(pair, 'receiveWebRTCOffer').and.returnValue(false);
    spyOn(s, 'sendAnswer');
    s.receiveOffer(pair, '{"type":"not a good offer","sdp":"foo"}');
    return expect(s.sendAnswer).not.toHaveBeenCalled();
  });
  return it('can make a proxypair', function() {
    var s;
    s = new Snowflake(config, ui, new FakeBroker());
    s.makeProxyPair();
    return expect(s.proxyPairs.length).toBe(1);
  });
});