1 | /*
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2 | Jasmine-Ajax : a set of helpers for testing AJAX requests under the Jasmine
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3 | BDD framework for JavaScript.
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4 |
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5 | Supports both Prototype.js and jQuery.
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6 |
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7 | http://github.com/pivotal/jasmine-ajax
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8 |
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9 | Jasmine Home page: http://pivotal.github.com/jasmine
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10 |
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11 | Copyright (c) 2008-2010 Pivotal Labs
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12 |
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13 | Permission is hereby granted, free of charge, to any person obtaining
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14 | a copy of this software and associated documentation files (the
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15 | "Software"), to deal in the Software without restriction, including
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16 | without limitation the rights to use, copy, modify, merge, publish,
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17 | distribute, sublicense, and/or sell copies of the Software, and to
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18 | permit persons to whom the Software is furnished to do so, subject to
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19 | the following conditions:
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20 |
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21 | The above copyright notice and this permission notice shall be
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22 | included in all copies or substantial portions of the Software.
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23 |
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24 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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25 | EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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26 | MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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27 | NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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28 | LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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29 | OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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30 | WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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31 |
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32 | */
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33 |
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34 | // Jasmine-Ajax interface
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35 | var ajaxRequests = [];
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36 |
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37 | function mostRecentAjaxRequest() {
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38 | if (ajaxRequests.length > 0) {
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39 | return ajaxRequests[ajaxRequests.length - 1];
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40 | } else {
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41 | return null;
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42 | }
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43 | }
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44 |
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45 | function clearAjaxRequests() {
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46 | ajaxRequests = [];
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47 | }
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48 |
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49 | // Fake XHR for mocking Ajax Requests & Responses
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50 | function FakeXMLHttpRequest() {
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51 | var extend = Object.extend || $.extend;
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52 | extend(this, {
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53 | requestHeaders: {},
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54 |
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55 | open: function() {
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56 | this.method = arguments[0];
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57 | this.url = arguments[1];
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58 | this.readyState = 1;
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59 | },
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60 |
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61 | setRequestHeader: function(header, value) {
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62 | this.requestHeaders[header] = value;
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63 | },
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64 |
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65 | abort: function() {
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66 | this.readyState = 0;
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67 | },
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68 |
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69 | readyState: 0,
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70 |
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71 | onreadystatechange: function(isTimeout) {
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72 | },
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73 |
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74 | status: null,
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75 |
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76 | send: function(data) {
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77 | this.params = data;
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78 | this.readyState = 2;
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79 | },
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80 |
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81 | getResponseHeader: function(name) {
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82 | return this.responseHeaders[name];
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83 | },
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84 |
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85 | getAllResponseHeaders: function() {
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86 | var responseHeaders = [];
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87 | for (var i in this.responseHeaders) {
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88 | if (this.responseHeaders.hasOwnProperty(i)) {
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89 | responseHeaders.push(i + ': ' + this.responseHeaders[i]);
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90 | }
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91 | }
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92 | return responseHeaders.join('\r\n');
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93 | },
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94 |
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95 | responseText: null,
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96 |
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97 | response: function(response) {
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98 | this.status = response.status;
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99 | this.responseText = response.responseText || "";
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100 | this.readyState = 4;
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101 | this.responseHeaders = response.responseHeaders ||
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102 | {"Content-type": response.contentType || "application/json" };
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103 | // uncomment for jquery 1.3.x support
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104 | // jasmine.Clock.tick(20);
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105 |
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106 | this.onreadystatechange();
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107 | },
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108 | responseTimeout: function() {
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109 | this.readyState = 4;
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110 | jasmine.Clock.tick(jQuery.ajaxSettings.timeout || 30000);
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111 | this.onreadystatechange('timeout');
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112 | }
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113 | });
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114 |
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115 | return this;
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116 | }
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117 |
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118 |
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119 | jasmine.Ajax = {
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120 |
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121 | isInstalled: function() {
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122 | return jasmine.Ajax.installed == true;
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123 | },
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124 |
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125 | assertInstalled: function() {
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126 | if (!jasmine.Ajax.isInstalled()) {
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127 | throw new Error("Mock ajax is not installed, use jasmine.Ajax.useMock()")
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128 | }
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129 | },
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130 |
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131 | useMock: function() {
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132 | if (!jasmine.Ajax.isInstalled()) {
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133 | var spec = jasmine.getEnv().currentSpec;
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134 | spec.after(jasmine.Ajax.uninstallMock);
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135 |
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136 | jasmine.Ajax.installMock();
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137 | }
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138 | },
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139 |
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140 | installMock: function() {
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141 | if (typeof jQuery != 'undefined') {
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142 | jasmine.Ajax.installJquery();
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143 | } else if (typeof Prototype != 'undefined') {
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144 | jasmine.Ajax.installPrototype();
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145 | } else {
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146 | throw new Error("jasmine.Ajax currently only supports jQuery and Prototype");
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147 | }
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148 | jasmine.Ajax.installed = true;
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149 | },
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150 |
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151 | installJquery: function() {
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152 | jasmine.Ajax.mode = 'jQuery';
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153 | jasmine.Ajax.real = jQuery.ajaxSettings.xhr;
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154 | jQuery.ajaxSettings.xhr = jasmine.Ajax.jQueryMock;
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155 |
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156 | },
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157 |
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158 | installPrototype: function() {
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159 | jasmine.Ajax.mode = 'Prototype';
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160 | jasmine.Ajax.real = Ajax.getTransport;
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161 |
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162 | Ajax.getTransport = jasmine.Ajax.prototypeMock;
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163 | },
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164 |
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165 | uninstallMock: function() {
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166 | jasmine.Ajax.assertInstalled();
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167 | if (jasmine.Ajax.mode == 'jQuery') {
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168 | jQuery.ajaxSettings.xhr = jasmine.Ajax.real;
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169 | } else if (jasmine.Ajax.mode == 'Prototype') {
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170 | Ajax.getTransport = jasmine.Ajax.real;
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171 | }
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172 | jasmine.Ajax.reset();
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173 | },
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174 |
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175 | reset: function() {
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176 | jasmine.Ajax.installed = false;
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177 | jasmine.Ajax.mode = null;
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178 | jasmine.Ajax.real = null;
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179 | },
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180 |
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181 | jQueryMock: function() {
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182 | var newXhr = new FakeXMLHttpRequest();
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183 | ajaxRequests.push(newXhr);
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184 | return newXhr;
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185 | },
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186 |
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187 | prototypeMock: function() {
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188 | return new FakeXMLHttpRequest();
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189 | },
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190 |
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191 | installed: false,
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192 | mode: null
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193 | }
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194 |
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195 |
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196 | // Jasmine-Ajax Glue code for Prototype.js
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197 | if (typeof Prototype != 'undefined' && Ajax && Ajax.Request) {
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198 | Ajax.Request.prototype.originalRequest = Ajax.Request.prototype.request;
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199 | Ajax.Request.prototype.request = function(url) {
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200 | this.originalRequest(url);
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201 | ajaxRequests.push(this);
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202 | };
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203 |
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204 | Ajax.Request.prototype.response = function(responseOptions) {
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205 | return this.transport.response(responseOptions);
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206 | };
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207 | }
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