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index.js
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index.js
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var window = require('global');
var MockXMLHttpRequest = require('./lib/MockXMLHttpRequest');
var real = window.XMLHttpRequest;
var mock = MockXMLHttpRequest;
/**
* Mock utility
*/
module.exports = {
XMLHttpRequest: MockXMLHttpRequest,
/**
* Replace the native XHR with the mocked XHR
* @returns {exports}
*/
setup: function() {
window.XMLHttpRequest = mock;
return this.reset();
},
/**
* Replace the mocked XHR with the native XHR and remove any handlers
* @returns {exports}
*/
teardown: function() {
window.XMLHttpRequest = real;
return this.reset();
},
/**
* Remove any handlers
* @returns {exports}
*/
reset: function() {
MockXMLHttpRequest.reset();
return this;
},
/**
* Mock a request
* @param {string} [method]
* @param {string} [url]
* @param {Function} fn
* @returns {exports}
*/
mock: function(method, url, fn) {
var handler, matcher;
if (arguments.length === 3) {
matcher = function(req) {
if (req.method() !== method) return false;
var reqUrl = req.url();
// allow regexp urls matcher
if (url instanceof RegExp) return url.test(reqUrl);
// otherwise assume the url is a string
return url === reqUrl;
}
handler = function(req, res) {
if (matcher(req)) {
return fn(req, res);
}
return false;
};
} else {
handler = method;
}
MockXMLHttpRequest.addHandler(handler);
return this;
},
/**
* Mock a GET request
* @param {String} url
* @param {Function} fn
* @returns {exports}
*/
get: function(url, fn) {
return this.mock('GET', url, fn);
},
/**
* Mock a POST request
* @param {String} url
* @param {Function} fn
* @returns {exports}
*/
post: function(url, fn) {
return this.mock('POST', url, fn);
},
/**
* Mock a PUT request
* @param {String} url
* @param {Function} fn
* @returns {exports}
*/
put: function(url, fn) {
return this.mock('PUT', url, fn);
},
/**
* Mock a PATCH request
* @param {String} url
* @param {Function} fn
* @returns {exports}
*/
patch: function(url, fn) {
return this.mock('PATCH', url, fn);
},
/**
* Mock a DELETE request
* @param {String} url
* @param {Function} fn
* @returns {exports}
*/
delete: function(url, fn) {
return this.mock('DELETE', url, fn);
}
};