jasmine-ajax/lib/mock-ajax.js
JR Boyens b8ee919ea2 WIP
2013-02-04 19:32:59 -08:00

233 lines
5.8 KiB
JavaScript

/*
Jasmine-Ajax : a set of helpers for testing AJAX requests under the Jasmine
BDD framework for JavaScript.
http://github.com/pivotal/jasmine-ajax
Jasmine Home page: http://pivotal.github.com/jasmine
Copyright (c) 2008-2010 Pivotal Labs
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
(function() {
var jasmineAjaxInterface = {
// Jasmine-Ajax interface
ajaxRequests: [],
ajaxStubs: [],
mostRecentAjaxRequest: function() {
if (ajaxRequests.length > 0) {
return ajaxRequests[ajaxRequests.length - 1];
} else {
return null;
}
},
clearAjaxRequests: function() {
ajaxRequests = [];
}
}
function extend(destination, source) {
for (var property in source) destination[property] = source[property];
return destination;
}
if (typeof window == "undefined" && typeof exports == "object") {
extend(exports, jasmineAjaxInterface);
} else {
extend(window, jasmineAjaxInterface);
}
// Fake XHR for mocking Ajax Requests & Responses
FakeXMLHttpRequest = function() {
ajaxRequests.push(this);
};
extend(FakeXMLHttpRequest.prototype, window.XMLHttpRequest);
extend(FakeXMLHttpRequest.prototype, {
requestHeaders: {},
open: function() {
this.method = arguments[0];
this.url = arguments[1];
this.username = arguments[3];
this.password = arguments[4];
this.readyState = 1;
},
setRequestHeader: function(header, value) {
this.requestHeaders[header] = value;
},
abort: function() {
this.readyState = 0;
},
readyState: 0,
onreadystatechange: function(isTimeout) {
},
status: null,
send: function(data) {
this.params = data;
this.readyState = 2;
var stub = jasmine.Ajax.matchStub(this.url);
if (stub) {
this.response(stub);
}
},
data: function() {
var data = {};
if (typeof this.params !== 'string') return data;
var params = this.params.split('&');
for (var i = 0; i < params.length; ++i) {
var kv = params[i].replace(/\+/g, ' ').split('=');
var key = decodeURIComponent(kv[0]);
data[key] = data[key] || [];
data[key].push(decodeURIComponent(kv[1]));
data[key].sort();
}
return data;
},
getResponseHeader: function(name) {
return this.responseHeaders[name];
},
getAllResponseHeaders: function() {
var responseHeaders = [];
for (var i in this.responseHeaders) {
if (this.responseHeaders.hasOwnProperty(i)) {
responseHeaders.push(i + ': ' + this.responseHeaders[i]);
}
}
return responseHeaders.join('\r\n');
},
responseText: null,
response: function(response) {
this.status = response.status;
this.responseText = response.responseText || "";
this.readyState = 4;
this.responseHeaders = response.responseHeaders ||
{"Content-type": response.contentType || "application/json" };
this.onreadystatechange();
},
responseTimeout: function() {
this.readyState = 4;
jasmine.Clock.tick(30000);
this.onreadystatechange('timeout');
}
});
jasmine.Ajax = {
isInstalled: function() {
return jasmine.Ajax.installed === true;
},
assertInstalled: function() {
if (!jasmine.Ajax.isInstalled()) {
throw new Error("Mock ajax is not installed, use jasmine.Ajax.useMock()");
}
},
useMock: function() {
if (!jasmine.Ajax.isInstalled()) {
var spec = jasmine.getEnv().currentSpec;
spec.after(jasmine.Ajax.uninstallMock);
jasmine.Ajax.installMock();
}
},
installMock: function() {
jasmine.Ajax.installTopLevel();
jasmine.Ajax.installed = true;
},
installTopLevel: function() {
jasmine.Ajax.mode = 'toplevel';
jasmine.Ajax.real = window.XMLHttpRequest;
window.XMLHttpRequest = FakeXMLHttpRequest;
},
uninstallMock: function() {
jasmine.Ajax.assertInstalled();
window.XMLHttpRequest = jasmine.Ajax.real;
jasmine.Ajax.reset();
},
reset: function() {
jasmine.Ajax.installed = false;
jasmine.Ajax.mode = null;
jasmine.Ajax.real = null;
},
stubRequest: function(url) {
var Stub = function(url) {
this.url = url;
};
Stub.prototype.andReturn = function(options) {
this.status = options.status || 200;
this.contentType = options.contentType;
this.responseText = options.responseText;
};
var stub = new Stub(url);
ajaxStubs.push(stub);
return stub;
},
matchStub: function(url) {
for (var i = 0; i < ajaxStubs.length; i++) {
var stub = ajaxStubs[i];
if (stub.url == url) {
return stub;
}
}
},
installed: false,
mode: null
};
}());