mirror of
https://github.com/Hopiu/angular.js.git
synced 2026-03-17 07:40:22 +00:00
529 lines
16 KiB
JavaScript
529 lines
16 KiB
JavaScript
describe('browser', function(){
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var browser, fakeWindow, xhr, logs, scripts, setTimeoutQueue;
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function fakeSetTimeout(fn) {
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setTimeoutQueue.push(fn);
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return Math.random();
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}
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fakeSetTimeout.flush = function() {
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forEach(setTimeoutQueue, function(fn) {
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fn();
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});
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};
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beforeEach(function(){
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setTimeoutQueue = [];
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scripts = [];
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xhr = null;
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fakeWindow = {
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location: {href:"http://server"},
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setTimeout: fakeSetTimeout
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};
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var fakeBody = {append: function(node){scripts.push(node);}};
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var FakeXhr = function(){
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xhr = this;
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this.open = function(method, url, async){
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xhr.method = method;
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xhr.url = url;
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xhr.async = async;
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xhr.headers = {};
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};
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this.setRequestHeader = function(key, value){
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xhr.headers[key] = value;
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};
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this.send = function(post){
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xhr.post = post;
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};
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};
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logs = {log:[], warn:[], info:[], error:[]};
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var fakeLog = {log: function() { logs.log.push(slice.call(arguments)); },
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warn: function() { logs.warn.push(slice.call(arguments)); },
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info: function() { logs.info.push(slice.call(arguments)); },
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error: function() { logs.error.push(slice.call(arguments)); }};
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browser = new Browser(fakeWindow, jqLite(window.document), fakeBody, FakeXhr,
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fakeLog);
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});
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it('should contain cookie cruncher', function() {
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expect(browser.cookies).toBeDefined();
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});
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describe('outstading requests', function(){
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it('should process callbacks immedietly with no outstanding requests', function(){
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var callback = jasmine.createSpy('callback');
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browser.notifyWhenNoOutstandingRequests(callback);
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expect(callback).toHaveBeenCalled();
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});
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it('should queue callbacks with outstanding requests', function(){
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var callback = jasmine.createSpy('callback');
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browser.xhr('GET', '/url', null, noop);
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browser.notifyWhenNoOutstandingRequests(callback);
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expect(callback).not.toHaveBeenCalled();
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xhr.readyState = 4;
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xhr.onreadystatechange();
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expect(callback).toHaveBeenCalled();
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});
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});
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describe('xhr', function(){
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describe('JSON', function(){
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it('should add script tag for request', function() {
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var callback = jasmine.createSpy('callback');
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var log = "";
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browser.xhr('JSON', 'http://example.org/path?cb=JSON_CALLBACK', null, function(code, data){
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log += code + ':' + data + ';';
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});
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browser.notifyWhenNoOutstandingRequests(callback);
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expect(callback).not.toHaveBeenCalled();
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expect(scripts.length).toEqual(1);
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var script = scripts[0];
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script.remove = function(){
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log += 'remove();';
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};
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var url = script.attr('src').split('?cb=');
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expect(url[0]).toEqual('http://example.org/path');
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expect(typeof fakeWindow[url[1]]).toEqual($function);
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fakeWindow[url[1]]('data');
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expect(callback).toHaveBeenCalled();
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expect(log).toEqual('remove();200:data;');
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expect(typeof fakeWindow[url[1]]).toEqual('undefined');
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});
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});
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it('should set headers for all requests', function(){
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var code, response, headers = {};
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browser.xhr('GET', 'URL', 'POST', function(c,r){
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code = c;
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response = r;
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}, {'X-header': 'value'});
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expect(xhr.method).toEqual('GET');
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expect(xhr.url).toEqual('URL');
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expect(xhr.post).toEqual('POST');
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expect(xhr.headers).toEqual({
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"Accept": "application/json, text/plain, */*",
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"X-Requested-With": "XMLHttpRequest",
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"X-header":"value"
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});
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xhr.status = 202;
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xhr.responseText = 'RESPONSE';
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xhr.readyState = 4;
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xhr.onreadystatechange();
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expect(code).toEqual(202);
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expect(response).toEqual('RESPONSE');
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});
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it('should normalize IE\'s 1223 status code into 204', function() {
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var callback = jasmine.createSpy('XHR');
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browser.xhr('GET', 'URL', 'POST', callback);
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xhr.status = 1223;
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xhr.readyState = 4;
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xhr.onreadystatechange();
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expect(callback).toHaveBeenCalled();
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expect(callback.argsForCall[0][0]).toEqual(204);
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});
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it('should not set Content-type header for GET requests', function() {
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browser.xhr('GET', 'URL', 'POST-DATA', function(c, r) {});
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expect(xhr.headers['Content-Type']).not.toBeDefined();
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});
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it('should set Content-type header for POST requests', function() {
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browser.xhr('POST', 'URL', 'POST-DATA', function(c, r) {});
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expect(xhr.headers['Content-Type']).toBeDefined();
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expect(xhr.headers['Content-Type']).toEqual('application/x-www-form-urlencoded');
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});
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it('should set default headers for custom methods', function() {
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browser.xhr('CUSTOM', 'URL', 'POST-DATA', function(c, r) {});
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expect(xhr.headers['Accept']).toEqual('application/json, text/plain, */*');
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expect(xhr.headers['X-Requested-With']).toEqual('XMLHttpRequest');
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});
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});
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describe('defer', function() {
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it('should execute fn asynchroniously via setTimeout', function() {
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var counter = 0;
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browser.defer(function() {counter++;});
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expect(counter).toBe(0);
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fakeSetTimeout.flush();
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expect(counter).toBe(1);
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});
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it('should update outstandingRequests counter', function() {
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var callback = jasmine.createSpy('callback');
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browser.defer(callback);
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expect(callback).not.toHaveBeenCalled();
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fakeSetTimeout.flush();
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expect(callback).toHaveBeenCalled();
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});
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});
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describe('cookies', function() {
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function deleteAllCookies() {
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var cookies = document.cookie.split(";");
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for (var i = 0; i < cookies.length; i++) {
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var cookie = cookies[i];
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var eqPos = cookie.indexOf("=");
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var name = eqPos > -1 ? cookie.substr(0, eqPos) : cookie;
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document.cookie = name + "=;expires=Thu, 01 Jan 1970 00:00:00 GMT";
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}
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}
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beforeEach(function() {
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deleteAllCookies();
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expect(document.cookie).toEqual('');
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});
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afterEach(function() {
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deleteAllCookies();
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expect(document.cookie).toEqual('');
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});
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describe('remove all via (null)', function() {
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it('should do nothing when no cookies are set', function() {
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browser.cookies(null);
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expect(document.cookie).toEqual('');
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expect(browser.cookies()).toEqual({});
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});
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});
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describe('remove via cookies(cookieName, undefined)', function() {
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it('should remove a cookie when it is present', function() {
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document.cookie = 'foo=bar';
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browser.cookies('foo', undefined);
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expect(document.cookie).toEqual('');
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expect(browser.cookies()).toEqual({});
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});
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it('should do nothing when an nonexisting cookie is being removed', function() {
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browser.cookies('doesntexist', undefined);
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expect(document.cookie).toEqual('');
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expect(browser.cookies()).toEqual({});
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});
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});
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describe('put via cookies(cookieName, string)', function() {
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it('should create and store a cookie', function() {
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browser.cookies('cookieName', 'cookie=Value');
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expect(document.cookie).toMatch(/cookieName=cookie%3DValue;? ?/);
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expect(browser.cookies()).toEqual({'cookieName':'cookie=Value'});
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});
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it('should overwrite an existing unsynced cookie', function() {
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document.cookie = "cookie=new";
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var oldVal = browser.cookies('cookie', 'newer');
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expect(document.cookie).toEqual('cookie=newer');
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expect(browser.cookies()).toEqual({'cookie':'newer'});
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expect(oldVal).not.toBeDefined();
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});
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it('should escape both name and value', function() {
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browser.cookies('cookie1=', 'val;ue');
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browser.cookies('cookie2=bar;baz', 'val=ue');
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var rawCookies = document.cookie.split("; "); //order is not guaranteed, so we need to parse
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expect(rawCookies.length).toEqual(2);
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expect(rawCookies).toContain('cookie1%3D=val%3Bue');
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expect(rawCookies).toContain('cookie2%3Dbar%3Bbaz=val%3Due');
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});
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it('should log warnings when 4kb per cookie storage limit is reached', function() {
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var i, longVal = '', cookieStr;
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for(i=0; i<4092; i++) {
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longVal += '+';
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}
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cookieStr = document.cookie;
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browser.cookies('x', longVal); //total size 4094-4096, so it should go through
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expect(document.cookie).not.toEqual(cookieStr);
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expect(browser.cookies()['x']).toEqual(longVal);
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expect(logs.warn).toEqual([]);
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browser.cookies('x', longVal + 'xxx'); //total size 4097-4099, a warning should be logged
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expect(logs.warn).toEqual(
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[[ "Cookie 'x' possibly not set or overflowed because it was too large (4097 > 4096 " +
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"bytes)!" ]]);
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//force browser to dropped a cookie and make sure that the cache is not out of sync
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browser.cookies('x', 'shortVal');
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expect(browser.cookies().x).toEqual('shortVal'); //needed to prime the cache
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cookieStr = document.cookie;
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browser.cookies('x', longVal + longVal + longVal); //should be too long for all browsers
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if (document.cookie !== cookieStr) {
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fail("browser didn't drop long cookie when it was expected. make the cookie in this " +
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"test longer");
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}
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expect(browser.cookies().x).toEqual('shortVal');
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});
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it('should log warnings when 20 cookies per domain storage limit is reached', function() {
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var i, str, cookieStr;
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for (i=0; i<20; i++) {
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str = '' + i;
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browser.cookies(str, str);
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}
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i=0;
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for (str in browser.cookies()) {
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i++;
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}
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expect(i).toEqual(20);
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expect(logs.warn).toEqual([]);
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cookieStr = document.cookie;
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browser.cookies('one', 'more');
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expect(logs.warn).toEqual([]);
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//if browser dropped a cookie (very likely), make sure that the cache is not out of sync
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if (document.cookie === cookieStr) {
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expect(size(browser.cookies())).toEqual(20);
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} else {
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expect(size(browser.cookies())).toEqual(21);
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}
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});
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});
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describe('get via cookies()[cookieName]', function() {
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it('should return undefined for nonexistent cookie', function() {
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expect(browser.cookies().nonexistent).not.toBeDefined();
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});
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it ('should return a value for an existing cookie', function() {
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document.cookie = "foo=bar=baz";
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expect(browser.cookies().foo).toEqual('bar=baz');
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});
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it ('should unescape cookie values that were escaped by puts', function() {
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document.cookie = "cookie2%3Dbar%3Bbaz=val%3Due";
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expect(browser.cookies()['cookie2=bar;baz']).toEqual('val=ue');
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});
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it('should preserve leading & trailing spaces in names and values', function() {
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browser.cookies(' cookie name ', ' cookie value ');
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expect(browser.cookies()[' cookie name ']).toEqual(' cookie value ');
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expect(browser.cookies()['cookie name']).not.toBeDefined();
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});
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});
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describe('getAll via cookies()', function() {
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it('should return cookies as hash', function() {
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document.cookie = "foo1=bar1";
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document.cookie = "foo2=bar2";
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expect(browser.cookies()).toEqual({'foo1':'bar1', 'foo2':'bar2'});
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});
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it('should return empty hash if no cookies exist', function() {
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expect(browser.cookies()).toEqual({});
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});
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});
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it('should pick up external changes made to browser cookies', function() {
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browser.cookies('oatmealCookie', 'drool');
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expect(browser.cookies()).toEqual({'oatmealCookie':'drool'});
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document.cookie = 'oatmealCookie=changed';
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expect(browser.cookies().oatmealCookie).toEqual('changed');
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});
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it('should initialize cookie cache with existing cookies', function() {
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document.cookie = "existingCookie=existingValue";
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expect(browser.cookies()).toEqual({'existingCookie':'existingValue'});
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});
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});
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describe('poller', function(){
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beforeEach(function() {
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spyOn(browser, 'startPoller');
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});
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it('should call all fns on poll', function(){
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var log = '';
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browser.addPollFn(function(){log+='a';});
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browser.addPollFn(function(){log+='b';});
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expect(log).toEqual('');
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browser.poll();
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expect(log).toEqual('ab');
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browser.poll();
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expect(log).toEqual('abab');
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});
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it('should startPoller', function(){
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var log = '';
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var setTimeoutSpy = jasmine.createSpy('setTimeout');
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browser.addPollFn(function(){log+='.';});
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browser.startPoller.andCallThrough();
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browser.startPoller(50, setTimeoutSpy);
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expect(log).toEqual('.');
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expect(setTimeoutSpy.mostRecentCall.args[1]).toEqual(50);
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setTimeoutSpy.mostRecentCall.args[0]();
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expect(log).toEqual('..');
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});
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it('should return fn that was passed into addPollFn', function() {
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var fn = function() { return 1; };
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var returnedFn = browser.addPollFn(fn);
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expect(returnedFn).toBe(fn);
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});
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it('should auto start poller when first fn registered', function() {
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browser.addPollFn(function() {});
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expect(browser.startPoller).toHaveBeenCalled();
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expect(browser.startPoller.callCount).toBe(1);
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});
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it('should auto start poller only when first fn registered', function() {
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browser.startPoller.andCallThrough();
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browser.addPollFn(function() {});
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browser.addPollFn(function() {});
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browser.addPollFn(function() {});
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expect(browser.startPoller.callCount).toBe(1);
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});
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});
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describe('url api', function() {
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it('should use $browser poller to detect url changes when onhashchange event is unsupported',
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function() {
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fakeWindow = {
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location: {href:"http://server"},
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document: {}
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};
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browser = new Browser(fakeWindow, {}, {});
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browser.startPoller = function() {};
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var events = [];
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browser.onHashChange(function() {
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events.push('x');
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});
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fakeWindow.location.href = "http://server/#newHash";
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expect(events).toEqual([]);
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browser.poll();
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expect(events).toEqual(['x']);
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//don't do anything if url hasn't changed
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events = [];
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browser.poll();
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expect(events).toEqual([]);
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});
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it('should use onhashchange events to detect url changes when supported by browser',
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function() {
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var onHashChngListener;
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fakeWindow = {location: {href:"http://server"},
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addEventListener: function(type, listener) {
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expect(type).toEqual('hashchange');
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onHashChngListener = listener;
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},
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attachEvent: function(type, listener) {
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expect(type).toEqual('onhashchange');
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onHashChngListener = listener;
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},
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removeEventListener: angular.noop,
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detachEvent: angular.noop,
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document: {}
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};
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fakeWindow.onhashchange = true;
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browser = new Browser(fakeWindow, {}, {});
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var events = [],
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event = {type: "hashchange"};
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browser.onHashChange(function(e) {
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events.push(e);
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});
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expect(events).toEqual([]);
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onHashChngListener(event);
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expect(events.length).toBe(1);
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expect(events[0].originalEvent || events[0]).toBe(event); // please jQuery and jqLite
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// clean up the jqLite cache so that the global afterEach doesn't complain
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if (!jQuery) {
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jqLite(fakeWindow).dealoc();
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}
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});
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// asynchronous test
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it('should fire onHashChange when location.hash change', function() {
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var callback = jasmine.createSpy('onHashChange');
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browser = new Browser(window, {}, {});
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browser.onHashChange(callback);
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window.location.hash = 'new-hash';
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browser.startPoller(100, setTimeout);
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waitsFor(function() {
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return callback.callCount;
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}, 'onHashChange callback to be called', 1000);
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runs(function() {
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if (!jQuery) jqLite(window).dealoc();
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window.location.hash = '';
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});
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});
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});
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});
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