mirror of https://github.com/status-im/metro.git
[react-packager] Modernize `Server-test` by using ES6 features
This commit is contained in:
Martín Bigio
parent
7664d5fb76
commit
c3be08e66b
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@ -8,69 +8,54 @@
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*/
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'use strict';
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jest.setMock('worker-farm', function() { return function() {}; })
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jest.setMock('worker-farm', function() { return () => {}; })
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.dontMock('os')
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.dontMock('path')
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.dontMock('url')
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.setMock('timers', {
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setImmediate: function(fn) {
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return setTimeout(fn, 0);
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}
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})
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.setMock('timers', { setImmediate: (fn) => setTimeout(fn, 0) })
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.setMock('uglify-js')
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.dontMock('../');
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var Promise = require('promise');
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const Promise = require('promise');
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describe('processRequest', function() {
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describe('processRequest', () => {
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var server;
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var Bundler;
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var FileWatcher;
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var options = {
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const options = {
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projectRoots: ['root'],
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blacklistRE: null,
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cacheVersion: null,
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polyfillModuleNames: null
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};
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var makeRequest = function(requestHandler, requrl) {
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return new Promise(function(resolve) {
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requestHandler(
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const makeRequest = (reqHandler, requrl) => new Promise(resolve =>
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reqHandler(
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{ url: requrl },
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{
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setHeader: jest.genMockFunction(),
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end: function(res) {
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resolve(res);
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}
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end: res => resolve(res),
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},
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{
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next: function() {}
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}
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{ next: () => {} },
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)
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);
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});
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};
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var invalidatorFunc = jest.genMockFunction();
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var watcherFunc = jest.genMockFunction();
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const invalidatorFunc = jest.genMockFunction();
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const watcherFunc = jest.genMockFunction();
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var requestHandler;
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var triggerFileChange;
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beforeEach(function() {
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beforeEach(() => {
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Bundler = require('../../Bundler');
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FileWatcher = require('../../FileWatcher');
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Bundler.prototype.bundle = jest.genMockFunction().mockImpl(function() {
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return Promise.resolve({
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getSource: function() {
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return 'this is the source';
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},
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getSourceMap: function() {
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return 'this is the source map';
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},
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});
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});
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Bundler.prototype.bundle = jest.genMockFunction().mockImpl(() =>
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Promise.resolve({
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getSource: () => 'this is the source',
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getSourceMap: () => 'this is the source map',
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})
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);
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FileWatcher.prototype.on = function(eventType, callback) {
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if (eventType !== 'all') {
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@ -83,43 +68,43 @@ describe('processRequest', function() {
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Bundler.prototype.invalidateFile = invalidatorFunc;
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var Server = require('../');
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const Server = require('../');
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server = new Server(options);
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requestHandler = server.processRequest.bind(server);
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});
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pit('returns JS bundle source on request of *.bundle',function() {
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pit('returns JS bundle source on request of *.bundle', () => {
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return makeRequest(
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requestHandler,
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'mybundle.bundle?runModule=true'
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).then(function(response) {
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expect(response).toEqual('this is the source');
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});
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).then(response =>
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expect(response).toEqual('this is the source')
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);
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});
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pit('returns JS bundle source on request of *.bundle (compat)',function() {
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pit('returns JS bundle source on request of *.bundle (compat)', () => {
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return makeRequest(
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requestHandler,
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'mybundle.runModule.bundle'
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).then(function(response) {
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expect(response).toEqual('this is the source');
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});
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).then(response =>
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expect(response).toEqual('this is the source')
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);
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});
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pit('returns sourcemap on request of *.map', function() {
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pit('returns sourcemap on request of *.map', () => {
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return makeRequest(
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requestHandler,
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'mybundle.map?runModule=true'
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).then(function(response) {
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expect(response).toEqual('"this is the source map"');
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});
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).then(response =>
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expect(response).toEqual('"this is the source map"')
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);
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});
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pit('works with .ios.js extension', function() {
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pit('works with .ios.js extension', () => {
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return makeRequest(
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requestHandler,
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'index.ios.includeRequire.bundle'
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).then(function(response) {
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).then(response => {
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expect(response).toEqual('this is the source');
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expect(Bundler.prototype.bundle).toBeCalledWith(
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'index.ios.js',
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@ -130,81 +115,75 @@ describe('processRequest', function() {
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});
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});
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pit('watches all files in projectRoot', function() {
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pit('watches all files in projectRoot', () => {
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return makeRequest(
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requestHandler,
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'mybundle.bundle?runModule=true'
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).then(function() {
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).then(() => {
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expect(watcherFunc.mock.calls[0][0]).toEqual('all');
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expect(watcherFunc.mock.calls[0][1]).not.toBe(null);
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});
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});
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describe('file changes', function() {
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pit('invalides files in bundle when file is updated', function() {
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describe('file changes', () => {
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pit('invalides files in bundle when file is updated', () => {
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return makeRequest(
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requestHandler,
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'mybundle.bundle?runModule=true'
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).then(function() {
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var onFileChange = watcherFunc.mock.calls[0][1];
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).then(() => {
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const onFileChange = watcherFunc.mock.calls[0][1];
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onFileChange('all','path/file.js', options.projectRoots[0]);
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expect(invalidatorFunc.mock.calls[0][0]).toEqual('root/path/file.js');
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});
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});
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pit('rebuilds the bundles that contain a file when that file is changed', function() {
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var bundleFunc = jest.genMockFunction();
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pit('rebuilds the bundles that contain a file when that file is changed', () => {
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const bundleFunc = jest.genMockFunction();
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bundleFunc
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.mockReturnValueOnce(
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Promise.resolve({
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getSource: function() {
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return 'this is the first source';
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},
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getSourceMap: function() {},
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getSource: () => 'this is the first source',
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getSourceMap: () => {},
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})
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)
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.mockReturnValue(
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Promise.resolve({
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getSource: function() {
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return 'this is the rebuilt source';
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},
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getSourceMap: function() {},
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getSource: () => 'this is the rebuilt source',
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getSourceMap: () => {},
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})
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);
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Bundler.prototype.bundle = bundleFunc;
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var Server = require('../../Server');
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const Server = require('../../Server');
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server = new Server(options);
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requestHandler = server.processRequest.bind(server);
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return makeRequest(requestHandler, 'mybundle.bundle?runModule=true')
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.then(function(response) {
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.then(response => {
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expect(response).toEqual('this is the first source');
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expect(bundleFunc.mock.calls.length).toBe(1);
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triggerFileChange('all','path/file.js', options.projectRoots[0]);
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jest.runAllTimers();
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jest.runAllTimers();
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})
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.then(function() {
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.then(() => {
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expect(bundleFunc.mock.calls.length).toBe(2);
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return makeRequest(requestHandler, 'mybundle.bundle?runModule=true')
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.then(function(response) {
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expect(response).toEqual('this is the rebuilt source');
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});
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.then(response =>
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expect(response).toEqual('this is the rebuilt source')
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);
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});
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});
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});
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describe('/onchange endpoint', function() {
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describe('/onchange endpoint', () => {
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var EventEmitter;
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var req;
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var res;
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beforeEach(function() {
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beforeEach(() => {
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EventEmitter = require.requireActual('events').EventEmitter;
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req = new EventEmitter();
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req.url = '/onchange';
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@ -214,14 +193,14 @@ describe('processRequest', function() {
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};
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});
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it('should hold on to request and inform on change', function() {
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it('should hold on to request and inform on change', () => {
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server.processRequest(req, res);
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triggerFileChange('all', 'path/file.js', options.projectRoots[0]);
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jest.runAllTimers();
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expect(res.end).toBeCalledWith(JSON.stringify({changed: true}));
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});
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it('should not inform changes on disconnected clients', function() {
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it('should not inform changes on disconnected clients', () => {
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server.processRequest(req, res);
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req.emit('close');
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jest.runAllTimers();
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@ -231,36 +210,30 @@ describe('processRequest', function() {
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});
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});
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describe('/assets endpoint', function() {
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describe('/assets endpoint', () => {
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var AssetServer;
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beforeEach(function() {
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beforeEach(() => {
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AssetServer = require('../../AssetServer');
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});
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it('should serve simple case', function() {
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var req = {
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url: '/assets/imgs/a.png',
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};
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var res = {
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end: jest.genMockFn(),
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};
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it('should serve simple case', () => {
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const req = {url: '/assets/imgs/a.png'};
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const res = {end: jest.genMockFn()};
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AssetServer.prototype.get.mockImpl(function() {
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return Promise.resolve('i am image');
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});
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AssetServer.prototype.get.mockImpl(() => Promise.resolve('i am image'));
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server.processRequest(req, res);
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jest.runAllTimers();
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expect(res.end).toBeCalledWith('i am image');
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});
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it('should return 404', function() {
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it('should return 404', () => {
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});
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});
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describe('buildBundle(options)', function() {
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it('Calls the bundler with the correct args', function() {
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describe('buildbundle(options)', () => {
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it('Calls the bundler with the correct args', () => {
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server.buildBundle({
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entryFile: 'foo file'
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});
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@ -273,8 +246,8 @@ describe('processRequest', function() {
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});
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});
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describe('buildBundleFromUrl(options)', function() {
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it('Calls the bundler with the correct args', function() {
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describe('buildBundleFromUrl(options)', () => {
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it('Calls the bundler with the correct args', () => {
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server.buildBundleFromUrl('/path/to/foo.bundle?dev=false&runModule=false');
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expect(Bundler.prototype.bundle).toBeCalledWith(
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'path/to/foo.js',
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