react-native/Libraries/Network/__tests__/XMLHttpRequest-test.js

132 lines
3.7 KiB
JavaScript

/**
* Copyright (c) 2013-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
'use strict';
jest
.disableAutomock()
.dontMock('event-target-shim')
.setMock('NativeModules', {
Networking: {
addListener: function(){},
removeListeners: function(){},
}
});
const XMLHttpRequest = require('XMLHttpRequest');
describe('XMLHttpRequest', function(){
var xhr;
var handleTimeout;
var handleError;
var handleLoad;
var handleReadyStateChange;
beforeEach(() => {
xhr = new XMLHttpRequest();
xhr.ontimeout = jest.fn();
xhr.onerror = jest.fn();
xhr.onload = jest.fn();
xhr.onreadystatechange = jest.fn();
handleTimeout = jest.fn();
handleError = jest.fn();
handleLoad = jest.fn();
handleReadyStateChange = jest.fn();
xhr.addEventListener('timeout', handleTimeout);
xhr.addEventListener('error', handleError);
xhr.addEventListener('load', handleLoad);
xhr.addEventListener('readystatechange', handleReadyStateChange);
xhr.__didCreateRequest(1);
});
afterEach(() => {
xhr = null;
handleTimeout = null;
handleError = null;
handleLoad = null;
});
it('should transition readyState correctly', function() {
expect(xhr.readyState).toBe(xhr.UNSENT);
xhr.open('GET', 'blabla');
expect(xhr.onreadystatechange.mock.calls.length).toBe(1);
expect(handleReadyStateChange.mock.calls.length).toBe(1);
expect(xhr.readyState).toBe(xhr.OPENED);
});
it('should call ontimeout function when the request times out', function(){
xhr.__didCompleteResponse(1, 'Timeout', true);
expect(xhr.readyState).toBe(xhr.DONE);
expect(xhr.ontimeout.mock.calls.length).toBe(1);
expect(xhr.onerror).not.toBeCalled();
expect(xhr.onload).not.toBeCalled();
expect(handleTimeout.mock.calls.length).toBe(1);
expect(handleError).not.toBeCalled();
expect(handleLoad).not.toBeCalled();
});
it('should call onerror function when the request times out', function(){
xhr.__didCompleteResponse(1, 'Generic error');
expect(xhr.readyState).toBe(xhr.DONE);
expect(xhr.onreadystatechange.mock.calls.length).toBe(1);
expect(xhr.onerror.mock.calls.length).toBe(1);
expect(xhr.ontimeout).not.toBeCalled();
expect(xhr.onload).not.toBeCalled();
expect(handleReadyStateChange.mock.calls.length).toBe(1);
expect(handleError.mock.calls.length).toBe(1);
expect(handleTimeout).not.toBeCalled();
expect(handleLoad).not.toBeCalled();
});
it('should call onload function when there is no error', function(){
xhr.__didCompleteResponse(1, null);
expect(xhr.readyState).toBe(xhr.DONE);
expect(xhr.onreadystatechange.mock.calls.length).toBe(1);
expect(xhr.onload.mock.calls.length).toBe(1);
expect(xhr.onerror).not.toBeCalled();
expect(xhr.ontimeout).not.toBeCalled();
expect(handleReadyStateChange.mock.calls.length).toBe(1);
expect(handleLoad.mock.calls.length).toBe(1);
expect(handleError).not.toBeCalled();
expect(handleTimeout).not.toBeCalled();
});
it('should call onload function when there is no error', function() {
xhr.upload.onprogress = jest.fn();
var handleProgress = jest.fn();
xhr.upload.addEventListener('progress', handleProgress);
xhr.__didUploadProgress(1, 42, 100);
expect(xhr.upload.onprogress.mock.calls.length).toBe(1);
expect(handleProgress.mock.calls.length).toBe(1);
expect(xhr.upload.onprogress.mock.calls[0][0].loaded).toBe(42);
expect(xhr.upload.onprogress.mock.calls[0][0].total).toBe(100);
expect(handleProgress.mock.calls[0][0].loaded).toBe(42);
expect(handleProgress.mock.calls[0][0].total).toBe(100);
});
});