text: 
  var _ = require("underscore");
  var request = require("request");
  var qs = require("querystring");
  var uuid = require("uuid");
  var should = require("should");
  var sinon = require("sinon");
  var url = require("url");
  
  var ua = require("../lib/index.js");
  var utils = require("../lib/utils.js")
  var config = require("../lib/config.js")
  
  
  describe("ua", function () {
  
  
  	describe("#event", function () {
  		var _enqueue;
  
  		beforeEach(function () {
  			_enqueue = sinon.stub(ua.Visitor.prototype, "_enqueue", function () {
  				if (arguments.length === 3 && typeof arguments[2] === 'function') {
  					arguments[2]();
  				}
  				return this;
  			});
  		});
  
  		afterEach(function () {
  			_enqueue.restore()
  		});
  
  
  		it("should be available via the #e shortcut", function () {
  			var visitor = ua()
  			visitor.e.should.equal(visitor.event)
  		});
  
  
  		it("should accept arguments (category, action)", function () {
  			var category = Math.random().toString();
  			var action = Math.random().toString();
  
  			var visitor = ua()
  
  			var result = visitor.event(category, action);
  
  			visitor._context = result._context;
  			result.should.eql(visitor, "should return a visitor that is identical except for the context");
  
  			result.should.be.instanceof(ua.Visitor);
  			result._context.should.eql(_enqueue.args[0][1], "the pageview params should be persisted as the context of the visitor clone")
  
  			_enqueue.calledOnce.should.equal(true, "#_enqueue should have been called once");
  			_enqueue.args[0][0].should.equal("event");
  			_enqueue.args[0][1].should.have.keys("ec", "ea")
  			_enqueue.args[0][1].ec.should.equal(category);
  			_enqueue.args[0][1].ea.should.equal(action);
  		});
  
  		it("should accept arguments (category, action, fn)", function () {
  			var category = Math.random().toString();
  			var action = Math.random().toString();
  			var fn = sinon.spy()
  
  			ua().event(category, action, fn);
  
  			_enqueue.calledOnce.should.equal(true, "#_enqueue should have been called once");
  			_enqueue.args[0][0].should.equal("event");
  			_enqueue.args[0][1].should.have.keys("ec", "ea")
  			_enqueue.args[0][1].ec.should.equal(category);
  			_enqueue.args[0][1].ea.should.equal(action);
  
  			fn.calledOnce.should.equal(true, "callback should have been called once")
  		});
  
  		it("should accept arguments (category, action, label)", function () {
  			var category = Math.random().toString();
  			var action = Math.random().toString();
  			var label = Math.random().toString();
  
  			ua().event(category, action, label);
  
  			_enqueue.calledOnce.should.equal(true, "#_enqueue should have been called once");
  			_enqueue.args[0][0].should.equal("event");
  			_enqueue.args[0][1].should.have.keys("ec", "ea", "el")
  			_enqueue.args[0][1].ec.should.equal(category);
  			_enqueue.args[0][1].ea.should.equal(action);
  			_enqueue.args[0][1].el.should.equal(label);
  		});
  
  		it("should accept arguments (category, action, label, fn)", function () {
  			var category = Math.random().toString();
  			var action = Math.random().toString();
  			var label = Math.random().toString();
  			var fn = sinon.spy()
  
  			ua().event(category, action, label, fn);
  
  			_enqueue.calledOnce.should.equal(true, "#_enqueue should have been called once");
  			_enqueue.args[0][0].should.equal("event");
  			_enqueue.args[0][1].should.have.keys("ec", "ea", "el")
  			_enqueue.args[0][1].ec.should.equal(category);
  			_enqueue.args[0][1].ea.should.equal(action);
  			_enqueue.args[0][1].el.should.equal(label);
  
  			fn.calledOnce.should.equal(true, "callback should have been called once")
  		});
  
  		it("should accept arguments (category, action, label, value)", function () {
  			var category = Math.random().toString();
  			var action = Math.random().toString();
  			var label = Math.random().toString();
  			var value = Math.random();
  
  			ua().event(category, action, label, value);
  
  			_enqueue.calledOnce.should.equal(true, "#_enqueue should have been called once");
  			_enqueue.args[0][0].should.equal("event");
  			_enqueue.args[0][1].should.have.keys("ec", "ea", "el", "ev")
  			_enqueue.args[0][1].ec.should.equal(category);
  			_enqueue.args[0][1].ea.should.equal(action);
  			_enqueue.args[0][1].el.should.equal(label);
  			_enqueue.args[0][1].ev.should.equal(value);
  		});
  
  		it("should accept arguments (category, action, label, value, fn)", function () {
  			var category = Math.random().toString();
  			var action = Math.random().toString();
  			var label = Math.random().toString();
  			var value = Math.random();
  			var fn = sinon.spy()
  
  			ua().event(category, action, label, value, fn);
  
  			_enqueue.calledOnce.should.equal(true, "#_enqueue should have been called once");
  			_enqueue.args[0][0].should.equal("event");
  			_enqueue.args[0][1].should.have.keys("ec", "ea", "el", "ev")
  			_enqueue.args[0][1].ec.should.equal(category);
  			_enqueue.args[0][1].ea.should.equal(action);
  			_enqueue.args[0][1].el.should.equal(label);
  			_enqueue.args[0][1].ev.should.equal(value);
  
  			fn.calledOnce.should.equal(true, "callback should have been called once")
  		});
  
  		it("should accept arguments (category, action, label, value, params, fn)", function () {
  			var category = Math.random().toString();
  			var action = Math.random().toString();
  			var label = Math.random().toString();
  			var value = Math.random();
  			var params = {"p": "/" + Math.random()}
  			var fn = sinon.spy()
  
  			ua().event(category, action, label, value, params, fn);
  
  			_enqueue.calledOnce.should.equal(true, "#_enqueue should have been called once");
  			_enqueue.args[0][0].should.equal("event");
  			_enqueue.args[0][1].should.have.keys("ec", "ea", "el", "ev", "p")
  			_enqueue.args[0][1].ec.should.equal(category);
  			_enqueue.args[0][1].ea.should.equal(action);
  			_enqueue.args[0][1].el.should.equal(label);
  			_enqueue.args[0][1].ev.should.equal(value);
  			_enqueue.args[0][1].p.should.equal(params.p);
  
  			fn.calledOnce.should.equal(true, "callback should have been called once")
  		});
  
  		it("should accept arguments (params)", function () {
  			var params = {
  				ec: Math.random().toString(),
  				ea: Math.random().toString(),
  				el: Math.random().toString(),
  				ev: Math.random(),
  				"p": "/" + Math.random(),
  				"empty": null
  			}
  			var json = JSON.stringify(params)
  
  			ua().event(params);
  
  			_enqueue.calledOnce.should.equal(true, "#_enqueue should have been called once");
  			_enqueue.args[0][0].should.equal("event");
  			_enqueue.args[0][1].should.have.keys("ec", "ea", "el", "ev", "p")
  			_enqueue.args[0][1].ec.should.equal(params.ec);
  			_enqueue.args[0][1].ea.should.equal(params.ea);
  			_enqueue.args[0][1].el.should.equal(params.el);
  			_enqueue.args[0][1].ev.should.equal(params.ev);
  			_enqueue.args[0][1].p.should.equal(params.p);
  
  			JSON.stringify(params).should.equal(json, "params should not have been modified")
  		});
  
  		it("should accept arguments (params, fn)", function () {
  			var params = {
  				ec: Math.random().toString(),
  				ea: Math.random().toString(),
  				el: Math.random().toString(),
  				ev: Math.random(),
  				"p": "/" + Math.random()
  			}
  			var fn = sinon.spy()
  
  			ua().event(params, fn);
  
  			_enqueue.calledOnce.should.equal(true, "#_enqueue should have been called once");
  			_enqueue.args[0][0].should.equal("event");
  			_enqueue.args[0][1].should.have.keys("ec", "ea", "el", "ev", "p")
  			_enqueue.args[0][1].ec.should.equal(params.ec);
  			_enqueue.args[0][1].ea.should.equal(params.ea);
  			_enqueue.args[0][1].el.should.equal(params.el);
  			_enqueue.args[0][1].ev.should.equal(params.ev);
  			_enqueue.args[0][1].p.should.equal(params.p);
  
  			fn.calledOnce.should.equal(true, "callback should have been called once")
  		});
  
  		it("should use the dp attribute as p for providing a event path", function () {
  			var params = {
  				ec: Math.random().toString(),
  				ea: Math.random().toString(),
  				"dp": "/" + Math.random(),
  			}
  			var json = JSON.stringify(params)
  
  			ua().event(params);
  
  			_enqueue.calledOnce.should.equal(true, "#_enqueue should have been called once");
  			_enqueue.args[0][0].should.equal("event");
  			_enqueue.args[0][1].should.have.keys("ec", "ea", "p")
  			_enqueue.args[0][1].ec.should.equal(params.ec);
  			_enqueue.args[0][1].ea.should.equal(params.ea);
  			_enqueue.args[0][1].p.should.equal(params.dp);
  
  			JSON.stringify(params).should.equal(json, "params should not have been modified")
  		});
  
  
  		it("should allow daisy-chaining and re-using parameters", function () {
  			var params = {
  				ec: Math.random().toString(),
  				ea: Math.random().toString(),
  				el: Math.random().toString(),
  				ev: Math.random()
  			}
  
  			ua().event(params).event()
  
  			_enqueue.calledTwice.should.equal(true, "#_enqueue should have been called twice, once for each event");
  			_enqueue.args[0][0].should.equal(_enqueue.args[1][0]);
  			_enqueue.args[0][1].ec.should.equal(_enqueue.args[1][1].ec);
  			_enqueue.args[0][1].ea.should.equal(_enqueue.args[1][1].ea);
  			_enqueue.args[0][1].el.should.equal(_enqueue.args[1][1].el);
  			_enqueue.args[0][1].ev.should.equal(_enqueue.args[1][1].ev);
  		});
  
  
  		it("should extend and overwrite params when daisy-chaining", function () {
  			var params = {
  				ec: Math.random().toString(),
  				ea: Math.random().toString(),
  				el: Math.random().toString(),
  				ev: Math.random()
  			}
  			var category = Math.random().toString();
  
  			ua().event(params).event(category)
  
  			_enqueue.calledTwice.should.equal(true, "#_enqueue should have been called twice, once for each event");
  			_enqueue.args[0][0].should.equal(_enqueue.args[1][0]);
  			_enqueue.args[0][1].ea.should.equal(_enqueue.args[1][1].ea);
  			_enqueue.args[0][1].el.should.equal(_enqueue.args[1][1].el);
  			_enqueue.args[0][1].ev.should.equal(_enqueue.args[1][1].ev);
  
  			_enqueue.args[0][1].ec.should.equal(params.ec);
  			_enqueue.args[1][1].ec.should.equal(category);
  		});
  
  		it("should re-use the path when daisy-chained to a pageview", function () {
  			var path = "/" + Math.random()
  			var params = {
  				ec: Math.random().toString(),
  				ea: Math.random().toString(),
  				el: Math.random().toString(),
  				ev: Math.random()
  			}
  
  			ua().pageview(path).event(params).event(params);
  
  			_enqueue.calledThrice.should.equal(true, "#_enqueue should have been called twice, once for the pageview, once for the pageview");
  
  			_enqueue.args[1][1].p.should.equal(path)
  			_enqueue.args[2][1].p.should.equal(path)
  		})
  
  		it("should fail without event category", function () {
  			var fn = sinon.spy()
  			var action = Math.random().toString();
  			var visitor = ua()
  
  			var result = visitor.event(null, action, fn);
  
  			visitor._context = result._context;
  			result.should.eql(visitor, "should return a visitor that is identical except for the context");
  
  			result.should.be.instanceof(ua.Visitor);
  			result._context.should.eql({}, "the transaction params should not be persisted")
  
  			_enqueue.called.should.equal(false, "#_enqueue should have not been called once");
  			fn.calledOnce.should.equal(true, "callback should have been called once");
  			fn.args[0][0].should.be.instanceof(Error);
  			fn.thisValues[0].should.equal(visitor);
  		});
  
  		it("should fail without event action", function () {
  			var fn = sinon.spy()
  			var category = Math.random().toString();
  			var visitor = ua()
  
  			var result = visitor.event(category, null, fn);
  
  			visitor._context = result._context;
  			result.should.eql(visitor, "should return a visitor that is identical except for the context");
  
  			result.should.be.instanceof(ua.Visitor);
  			result._context.should.eql({}, "the transaction params should not be persisted")
  
  			_enqueue.called.should.equal(false, "#_enqueue should have not been called once");
  			fn.calledOnce.should.equal(true, "callback should have been called once");
  			fn.args[0][0].should.be.instanceof(Error);
  			fn.thisValues[0].should.equal(visitor);
  		});
  
  	});
  
  });
  
  
  
  
  
  
  
  
  
  
  