mocking_ajax.js

(function($) {
  $.extend({
    mocker: {
      sleeper: function() {},
      ajax: function() {},
      ajaxRequestData: {},
    }
  });

  $.mocker.sleeper = function(milisecs, func) {
    startTime = new Date().getTime();
    endTime = startTime + milisecs;
    
    isDelayedCall = func != undefined;
    if (isDelayedCall)
    {
      setTimeout(func, milisecs);
    }
    else
    {
      while(new Date().getTime() < endTime);
    }
  };

  $.mocker.ajaxRequestData = {
    'url': null,
    'method': null,
    'data': null
  };

  $.mocker.ajax = function(opts) {
    var contentTypes = {
      'script': 'text/javascript; charset=utf-8'
    };

    var fakeXhr = {
      'responseText': (opts['responseText'] != undefined) ? opts['responseText'] : '',
      'status': 0,
      'readyState': 0,
      '_headers': {},
      '_responseHeaders': {
        'content-type': contentTypes['script']
      },

      'open': function(method, url, async, user, password) {
        asyncStr = (async != undefined && async) ? '(async) ' : ' ';
        userStr = (user != undefined) ? '@'+ user : ' ';
        passwordStr = (password != undefined) ? ':'+ password : ' ';
        console.log('[open] '+ method +' '+ url +' '+ asyncStr + userStr + passwordStr);

        this.readyState = 1;
        this.onreadystatechange();


        $.mocker.ajaxRequestData.method = method;
        $.mocker.ajaxRequestData.url = url;
      },

      'send': function(data) {
        $.mocker.ajaxRequestData.data = data;

        console.log('request send with data: '+ data);
        this.status = 200;

        this.readyState = 2;
        this.onreadystatechange();
        console.log("sending (status available)");

        var xhr = this;
        $.mocker.sleeper(1, function() {
            xhr.readyState = 3;
            xhr.onreadystatechange();
            console.log("send!");

            $.mocker.sleeper(1, function() {
              xhr.readyState = 4;
              xhr.onreadystatechange();
              console.log("complete!");
            });
        });
      },

      'abort': function() {
        console.log("aborted");
      },

      'onreadystatechange': function() { 
        console.log('state changed')
      },

      'setRequestHeader': function(key, value) {
        console.log('request header ['+ key + '] => '+ value);
        this._headers[key] = value;
      },

      'getResponseHeader': function(header) {
        console.log('response header ['+ header +'] => '+ this._responseHeaders[header]);
        return this._responseHeaders[header];
      }
    };

    $.ajaxSetup({xhr: function() {
      console.log("chamada ajax fake.");
      return fakeXhr;
    }});
  }
})(jQuery);