574 lines
18 KiB
JavaScript
574 lines
18 KiB
JavaScript
/*!
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* MockJax - jQuery Plugin to Mock Ajax requests
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*
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* Version: 1.5.1
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* Released:
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* Home: https://github.com/appendto/jquery-mockjax
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* Author: Jonathan Sharp (https://jdsharp.com)
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* License: MIT,GPL
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*
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* Copyright (c) 2011 appendTo LLC.
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* Dual licensed under the MIT or GPL licenses.
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* https://appendto.com/open-source-licenses
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*/
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(function($) {
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var _ajax = $.ajax,
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mockHandlers = [],
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CALLBACK_REGEX = /=\?(&|$)/,
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jsc = (new Date()).getTime();
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// Parse the given XML string.
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function parseXML(xml) {
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if ( window.DOMParser == undefined && window.ActiveXObject ) {
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DOMParser = function() { };
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DOMParser.prototype.parseFromString = function( xmlString ) {
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var doc = new ActiveXObject('Microsoft.XMLDOM');
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doc.async = 'false';
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doc.loadXML( xmlString );
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return doc;
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};
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}
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try {
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var xmlDoc = ( new DOMParser() ).parseFromString( xml, 'text/xml' );
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if ( $.isXMLDoc( xmlDoc ) ) {
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var err = $('parsererror', xmlDoc);
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if ( err.length == 1 ) {
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throw('Error: ' + $(xmlDoc).text() );
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}
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} else {
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throw('Unable to parse XML');
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}
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return xmlDoc;
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} catch( e ) {
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var msg = ( e.name == undefined ? e : e.name + ': ' + e.message );
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$(document).trigger('xmlParseError', [ msg ]);
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return undefined;
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}
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}
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// Trigger a jQuery event
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function trigger(s, type, args) {
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(s.context ? $(s.context) : $.event).trigger(type, args);
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}
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// Check if the data field on the mock handler and the request match. This
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// can be used to restrict a mock handler to being used only when a certain
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// set of data is passed to it.
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function isMockDataEqual( mock, live ) {
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var identical = true;
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// Test for situations where the data is a querystring (not an object)
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if (typeof live === 'string') {
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// Querystring may be a regex
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return $.isFunction( mock.test ) ? mock.test(live) : mock == live;
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}
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$.each(mock, function(k) {
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if ( live[k] === undefined ) {
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identical = false;
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return identical;
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} else {
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if ( typeof live[k] == 'object' ) {
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identical = identical && isMockDataEqual(mock[k], live[k]);
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} else {
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if ( $.isFunction( mock[k].test ) ) {
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identical = identical && mock[k].test(live[k]);
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} else {
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identical = identical && ( mock[k] == live[k] );
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}
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}
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}
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});
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return identical;
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}
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// Check the given handler should mock the given request
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function getMockForRequest( handler, requestSettings ) {
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// If the mock was registered with a function, let the function decide if we
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// want to mock this request
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if ( $.isFunction(handler) ) {
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return handler( requestSettings );
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}
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// Inspect the URL of the request and check if the mock handler's url
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// matches the url for this ajax request
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if ( $.isFunction(handler.url.test) ) {
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// The user provided a regex for the url, test it
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if ( !handler.url.test( requestSettings.url ) ) {
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return null;
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}
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} else {
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// Look for a simple wildcard '*' or a direct URL match
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var star = handler.url.indexOf('*');
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if (handler.url !== requestSettings.url && star === -1 ||
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!new RegExp(handler.url.replace(/[-[\]{}()+?.,\\^$|#\s]/g, "\\$&").replace(/\*/g, '.+')).test(requestSettings.url)) {
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return null;
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}
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}
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// Inspect the data submitted in the request (either POST body or GET query string)
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if ( handler.data && requestSettings.data ) {
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if ( !isMockDataEqual(handler.data, requestSettings.data) ) {
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// They're not identical, do not mock this request
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return null;
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}
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}
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// Inspect the request type
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if ( handler && handler.type &&
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handler.type.toLowerCase() != requestSettings.type.toLowerCase() ) {
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// The request type doesn't match (GET vs. POST)
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return null;
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}
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return handler;
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}
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// Process the xhr objects send operation
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function _xhrSend(mockHandler, requestSettings, origSettings) {
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// This is a substitute for < 1.4 which lacks $.proxy
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var process = (function(that) {
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return function() {
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return (function() {
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var onReady;
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// The request has returned
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this.status = mockHandler.status;
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this.statusText = mockHandler.statusText;
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this.readyState = 4;
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// We have an executable function, call it to give
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// the mock handler a chance to update it's data
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if ( $.isFunction(mockHandler.response) ) {
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mockHandler.response(origSettings);
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}
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// Copy over our mock to our xhr object before passing control back to
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// jQuery's onreadystatechange callback
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if ( requestSettings.dataType == 'json' && ( typeof mockHandler.responseText == 'object' ) ) {
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this.responseText = JSON.stringify(mockHandler.responseText);
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} else if ( requestSettings.dataType == 'xml' ) {
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if ( typeof mockHandler.responseXML == 'string' ) {
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this.responseXML = parseXML(mockHandler.responseXML);
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//in jQuery 1.9.1+, responseXML is processed differently and relies on responseText
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this.responseText = mockHandler.responseXML;
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} else {
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this.responseXML = mockHandler.responseXML;
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}
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} else {
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this.responseText = mockHandler.responseText;
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}
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if( typeof mockHandler.status == 'number' || typeof mockHandler.status == 'string' ) {
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this.status = mockHandler.status;
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}
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if( typeof mockHandler.statusText === "string") {
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this.statusText = mockHandler.statusText;
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}
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// jQuery 2.0 renamed onreadystatechange to onload
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onReady = this.onreadystatechange || this.onload;
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// jQuery < 1.4 doesn't have onreadystate change for xhr
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if ( $.isFunction( onReady ) ) {
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if( mockHandler.isTimeout) {
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this.status = -1;
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}
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onReady.call( this, mockHandler.isTimeout ? 'timeout' : undefined );
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} else if ( mockHandler.isTimeout ) {
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// Fix for 1.3.2 timeout to keep success from firing.
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this.status = -1;
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}
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}).apply(that);
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};
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})(this);
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if ( mockHandler.proxy ) {
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// We're proxying this request and loading in an external file instead
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_ajax({
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global: false,
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url: mockHandler.proxy,
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type: mockHandler.proxyType,
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data: mockHandler.data,
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dataType: requestSettings.dataType === "script" ? "text/plain" : requestSettings.dataType,
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complete: function(xhr) {
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mockHandler.responseXML = xhr.responseXML;
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mockHandler.responseText = xhr.responseText;
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mockHandler.status = xhr.status;
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mockHandler.statusText = xhr.statusText;
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this.responseTimer = setTimeout(process, mockHandler.responseTime || 0);
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}
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});
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} else {
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// type == 'POST' || 'GET' || 'DELETE'
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if ( requestSettings.async === false ) {
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// TODO: Blocking delay
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process();
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} else {
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this.responseTimer = setTimeout(process, mockHandler.responseTime || 50);
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}
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}
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}
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// Construct a mocked XHR Object
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function xhr(mockHandler, requestSettings, origSettings, origHandler) {
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// Extend with our default mockjax settings
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mockHandler = $.extend(true, {}, $.mockjaxSettings, mockHandler);
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if (typeof mockHandler.headers === 'undefined') {
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mockHandler.headers = {};
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}
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if ( mockHandler.contentType ) {
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mockHandler.headers['content-type'] = mockHandler.contentType;
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}
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return {
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status: mockHandler.status,
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statusText: mockHandler.statusText,
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readyState: 1,
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open: function() { },
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send: function() {
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origHandler.fired = true;
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_xhrSend.call(this, mockHandler, requestSettings, origSettings);
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},
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abort: function() {
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clearTimeout(this.responseTimer);
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},
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setRequestHeader: function(header, value) {
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mockHandler.headers[header] = value;
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},
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getResponseHeader: function(header) {
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// 'Last-modified', 'Etag', 'content-type' are all checked by jQuery
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if ( mockHandler.headers && mockHandler.headers[header] ) {
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// Return arbitrary headers
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return mockHandler.headers[header];
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} else if ( header.toLowerCase() == 'last-modified' ) {
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return mockHandler.lastModified || (new Date()).toString();
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} else if ( header.toLowerCase() == 'etag' ) {
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return mockHandler.etag || '';
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} else if ( header.toLowerCase() == 'content-type' ) {
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return mockHandler.contentType || 'text/plain';
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}
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},
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getAllResponseHeaders: function() {
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var headers = '';
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$.each(mockHandler.headers, function(k, v) {
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headers += k + ': ' + v + "\n";
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});
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return headers;
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}
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};
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}
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// Process a JSONP mock request.
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function processJsonpMock( requestSettings, mockHandler, origSettings ) {
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// Handle JSONP Parameter Callbacks, we need to replicate some of the jQuery core here
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// because there isn't an easy hook for the cross domain script tag of jsonp
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processJsonpUrl( requestSettings );
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requestSettings.dataType = "json";
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if(requestSettings.data && CALLBACK_REGEX.test(requestSettings.data) || CALLBACK_REGEX.test(requestSettings.url)) {
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createJsonpCallback(requestSettings, mockHandler, origSettings);
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// We need to make sure
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// that a JSONP style response is executed properly
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var rurl = /^(\w+:)?\/\/([^\/?#]+)/,
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parts = rurl.exec( requestSettings.url ),
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remote = parts && (parts[1] && parts[1] !== location.protocol || parts[2] !== location.host);
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requestSettings.dataType = "script";
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if(requestSettings.type.toUpperCase() === "GET" && remote ) {
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var newMockReturn = processJsonpRequest( requestSettings, mockHandler, origSettings );
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// Check if we are supposed to return a Deferred back to the mock call, or just
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// signal success
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if(newMockReturn) {
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return newMockReturn;
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} else {
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return true;
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}
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}
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}
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return null;
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}
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// Append the required callback parameter to the end of the request URL, for a JSONP request
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function processJsonpUrl( requestSettings ) {
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if ( requestSettings.type.toUpperCase() === "GET" ) {
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if ( !CALLBACK_REGEX.test( requestSettings.url ) ) {
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requestSettings.url += (/\?/.test( requestSettings.url ) ? "&" : "?") +
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(requestSettings.jsonp || "callback") + "=?";
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}
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} else if ( !requestSettings.data || !CALLBACK_REGEX.test(requestSettings.data) ) {
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requestSettings.data = (requestSettings.data ? requestSettings.data + "&" : "") + (requestSettings.jsonp || "callback") + "=?";
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}
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}
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// Process a JSONP request by evaluating the mocked response text
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function processJsonpRequest( requestSettings, mockHandler, origSettings ) {
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// Synthesize the mock request for adding a script tag
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var callbackContext = origSettings && origSettings.context || requestSettings,
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newMock = null;
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// If the response handler on the moock is a function, call it
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if ( mockHandler.response && $.isFunction(mockHandler.response) ) {
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mockHandler.response(origSettings);
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} else {
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// Evaluate the responseText javascript in a global context
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if( typeof mockHandler.responseText === 'object' ) {
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$.globalEval( '(' + JSON.stringify( mockHandler.responseText ) + ')');
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} else {
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$.globalEval( '(' + mockHandler.responseText + ')');
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}
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}
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// Successful response
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jsonpSuccess( requestSettings, callbackContext, mockHandler );
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jsonpComplete( requestSettings, callbackContext, mockHandler );
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// If we are running under jQuery 1.5+, return a deferred object
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if($.Deferred){
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newMock = new $.Deferred();
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if(typeof mockHandler.responseText == "object"){
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newMock.resolveWith( callbackContext, [mockHandler.responseText] );
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}
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else{
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newMock.resolveWith( callbackContext, [$.parseJSON( mockHandler.responseText )] );
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}
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}
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return newMock;
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}
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// Create the required JSONP callback function for the request
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function createJsonpCallback( requestSettings, mockHandler, origSettings ) {
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var callbackContext = origSettings && origSettings.context || requestSettings;
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var jsonp = requestSettings.jsonpCallback || ("jsonp" + jsc++);
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// Replace the =? sequence both in the query string and the data
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if ( requestSettings.data ) {
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requestSettings.data = (requestSettings.data + "").replace(CALLBACK_REGEX, "=" + jsonp + "$1");
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}
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requestSettings.url = requestSettings.url.replace(CALLBACK_REGEX, "=" + jsonp + "$1");
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// Handle JSONP-style loading
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window[ jsonp ] = window[ jsonp ] || function( tmp ) {
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data = tmp;
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jsonpSuccess( requestSettings, callbackContext, mockHandler );
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jsonpComplete( requestSettings, callbackContext, mockHandler );
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// Garbage collect
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window[ jsonp ] = undefined;
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try {
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delete window[ jsonp ];
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} catch(e) {}
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if ( head ) {
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head.removeChild( script );
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}
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};
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}
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// The JSONP request was successful
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function jsonpSuccess(requestSettings, callbackContext, mockHandler) {
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// If a local callback was specified, fire it and pass it the data
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if ( requestSettings.success ) {
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requestSettings.success.call( callbackContext, mockHandler.responseText || "", status, {} );
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}
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// Fire the global callback
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if ( requestSettings.global ) {
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trigger(requestSettings, "ajaxSuccess", [{}, requestSettings] );
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}
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}
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// The JSONP request was completed
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function jsonpComplete(requestSettings, callbackContext) {
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// Process result
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if ( requestSettings.complete ) {
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requestSettings.complete.call( callbackContext, {} , status );
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}
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// The request was completed
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if ( requestSettings.global ) {
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trigger( "ajaxComplete", [{}, requestSettings] );
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}
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// Handle the global AJAX counter
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if ( requestSettings.global && ! --$.active ) {
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$.event.trigger( "ajaxStop" );
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}
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}
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// The core $.ajax replacement.
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function handleAjax( url, origSettings ) {
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var mockRequest, requestSettings, mockHandler;
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// If url is an object, simulate pre-1.5 signature
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if ( typeof url === "object" ) {
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origSettings = url;
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url = undefined;
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} else {
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// work around to support 1.5 signature
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origSettings.url = url;
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}
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// Extend the original settings for the request
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requestSettings = $.extend(true, {}, $.ajaxSettings, origSettings);
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// Iterate over our mock handlers (in registration order) until we find
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// one that is willing to intercept the request
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for(var k = 0; k < mockHandlers.length; k++) {
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if ( !mockHandlers[k] ) {
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continue;
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}
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mockHandler = getMockForRequest( mockHandlers[k], requestSettings );
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if(!mockHandler) {
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// No valid mock found for this request
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continue;
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}
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// If logging is enabled, log the mock to the console
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$.mockjaxSettings.log( mockHandler, requestSettings );
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if ( requestSettings.dataType === "jsonp" ) {
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if ((mockRequest = processJsonpMock( requestSettings, mockHandler, origSettings ))) {
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// This mock will handle the JSONP request
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return mockRequest;
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}
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}
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// Removed to fix #54 - keep the mocking data object intact
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//mockHandler.data = requestSettings.data;
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mockHandler.cache = requestSettings.cache;
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mockHandler.timeout = requestSettings.timeout;
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mockHandler.global = requestSettings.global;
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copyUrlParameters(mockHandler, origSettings);
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(function(mockHandler, requestSettings, origSettings, origHandler) {
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mockRequest = _ajax.call($, $.extend(true, {}, origSettings, {
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// Mock the XHR object
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xhr: function() { return xhr( mockHandler, requestSettings, origSettings, origHandler ); }
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}));
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})(mockHandler, requestSettings, origSettings, mockHandlers[k]);
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return mockRequest;
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}
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// We don't have a mock request, trigger a normal request
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return _ajax.apply($, [origSettings]);
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}
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/**
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* Copies URL parameter values if they were captured by a regular expression
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* @param {Object} mockHandler
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* @param {Object} origSettings
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*/
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function copyUrlParameters(mockHandler, origSettings) {
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//parameters aren't captured if the URL isn't a RegExp
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if (!mockHandler.url instanceof RegExp) {
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return;
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}
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//if no URL params were defined on the handler, don't attempt a capture
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if (!mockHandler.hasOwnProperty('urlParams')) {
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return;
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}
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var captures = mockHandler.url.exec(origSettings.url);
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//the whole RegExp match is always the first value in the capture results
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if (captures.length === 1) {
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return;
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}
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captures.shift();
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//use handler params as keys and capture resuts as values
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var i = 0,
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capturesLength = captures.length,
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paramsLength = mockHandler.urlParams.length,
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//in case the number of params specified is less than actual captures
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maxIterations = Math.min(capturesLength, paramsLength),
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paramValues = {};
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for (i; i < maxIterations; i++) {
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var key = mockHandler.urlParams[i];
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paramValues[key] = captures[i];
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}
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origSettings.urlParams = paramValues;
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}
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// Public
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$.extend({
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ajax: handleAjax
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});
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$.mockjaxSettings = {
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//url: null,
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//type: 'GET',
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log: function( mockHandler, requestSettings ) {
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if ( mockHandler.logging === false ||
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( typeof mockHandler.logging === 'undefined' && $.mockjaxSettings.logging === false ) ) {
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return;
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}
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if ( window.console && console.log ) {
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var message = 'MOCK ' + requestSettings.type.toUpperCase() + ': ' + requestSettings.url;
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var request = $.extend({}, requestSettings);
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if (typeof console.log === 'function') {
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console.log(message, request);
|
|
} else {
|
|
try {
|
|
console.log( message + ' ' + JSON.stringify(request) );
|
|
} catch (e) {
|
|
console.log(message);
|
|
}
|
|
}
|
|
}
|
|
},
|
|
logging: true,
|
|
status: 200,
|
|
statusText: "OK",
|
|
responseTime: 500,
|
|
isTimeout: false,
|
|
contentType: 'text/plain',
|
|
response: '',
|
|
responseText: '',
|
|
responseXML: '',
|
|
proxy: '',
|
|
proxyType: 'GET',
|
|
|
|
lastModified: null,
|
|
etag: '',
|
|
headers: {
|
|
etag: 'IJF@H#@923uf8023hFO@I#H#',
|
|
'content-type' : 'text/plain'
|
|
}
|
|
};
|
|
|
|
$.mockjax = function(settings) {
|
|
var i = mockHandlers.length;
|
|
mockHandlers[i] = settings;
|
|
return i;
|
|
};
|
|
$.mockjaxClear = function(i) {
|
|
if ( arguments.length == 1 ) {
|
|
mockHandlers[i] = null;
|
|
} else {
|
|
mockHandlers = [];
|
|
}
|
|
};
|
|
$.mockjax.handler = function(i) {
|
|
if ( arguments.length == 1 ) {
|
|
return mockHandlers[i];
|
|
}
|
|
};
|
|
})(jQuery);
|