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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,118 @@ | ||
| import * as express from 'express'; | ||
| import * as http from 'http'; | ||
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| import { appendToFile, writeMultipleFiles } from '../../utils/fs'; | ||
| import { | ||
| killAllProcesses, | ||
| silentExecAndWaitForOutputToMatch, | ||
| waitForAnyProcessOutputToMatch | ||
| } from '../../utils/process'; | ||
| import { wait } from '../../utils/utils'; | ||
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| export default function () { | ||
| const protractorGoodRegEx = /Spec started/; | ||
| const webpackGoodRegEx = /webpack: Compiled successfully./; | ||
|
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| // Create an express api for the Angular app to call. | ||
| const app = express(); | ||
| const server = http.createServer(app); | ||
| let liveReloadCount = 0; | ||
| let liveReloadClientCalled = false; | ||
| function resetApiVars() { | ||
| liveReloadCount = 0; | ||
| liveReloadClientCalled = false; | ||
| } | ||
|
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| server.listen(0); | ||
| app.set('port', server.address().port); | ||
| const apiUrl = `http://localhost:${server.address().port}`; | ||
|
|
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| // This endpoint will be pinged by the main app on each reload. | ||
| app.get('/live-reload-count', _ => liveReloadCount++); | ||
| // This endpoint will be pinged by webpack to check for live reloads. | ||
| app.get('/sockjs-node/info', _ => liveReloadClientCalled = true); | ||
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| return Promise.resolve() | ||
| .then(_ => writeMultipleFiles({ | ||
| // e2e test that just opens the page and waits, so that the app runs. | ||
| './e2e/app.e2e-spec.ts': ` | ||
| import { browser } from 'protractor'; | ||
| describe('master-project App', function() { | ||
| it('should wait', _ => { | ||
| browser.get('/'); | ||
| browser.sleep(30000); | ||
| }); | ||
| }); | ||
| `, | ||
| // App that calls the express server once. | ||
| './src/app/app.component.ts': ` | ||
| import { Component } from '@angular/core'; | ||
| import { Http } from '@angular/http'; | ||
| @Component({ | ||
| selector: 'app-root', | ||
| template: '<h1>Live reload test</h1>' | ||
| }) | ||
| export class AppComponent { | ||
| constructor(private http: Http) { | ||
| http.get('${apiUrl + '/live-reload-count'}').subscribe(res => null); | ||
| } | ||
| } | ||
| ` | ||
| })) | ||
| .then(_ => silentExecAndWaitForOutputToMatch( | ||
| 'ng', | ||
| ['e2e', '--watch', '--live-reload'], | ||
| protractorGoodRegEx | ||
| )) | ||
| // Let app run. | ||
| .then(_ => wait(1000)) | ||
| .then(_ => appendToFile('src/main.ts', 'console.log(1);')) | ||
| .then(_ => waitForAnyProcessOutputToMatch(webpackGoodRegEx, 5000)) | ||
| .then(_ => wait(1000)) | ||
| .then(_ => { | ||
| if (liveReloadCount != 2) { | ||
| throw new Error( | ||
| `Expected API to have been called 2 times but it was called ${liveReloadCount} times.` | ||
| ); | ||
| } | ||
| }) | ||
| .then(_ => killAllProcesses(), (err) => { killAllProcesses(); throw err; }) | ||
| .then(_ => resetApiVars()) | ||
| // Serve with live reload off should call api only once. | ||
| .then(_ => silentExecAndWaitForOutputToMatch( | ||
| 'ng', | ||
| ['e2e', '--watch', '--no-live-reload'], | ||
| protractorGoodRegEx | ||
| )) | ||
| .then(_ => wait(1000)) | ||
| .then(_ => appendToFile('src/main.ts', 'console.log(1);')) | ||
| .then(_ => waitForAnyProcessOutputToMatch(webpackGoodRegEx, 5000)) | ||
| .then(_ => wait(1000)) | ||
| .then(_ => { | ||
| if (liveReloadCount != 1) { | ||
| throw new Error( | ||
| `Expected API to have been called 1 time but it was called ${liveReloadCount} times.` | ||
| ); | ||
| } | ||
| }) | ||
| .then(_ => killAllProcesses(), (err) => { killAllProcesses(); throw err; }) | ||
| .then(_ => resetApiVars()) | ||
| // Serve with live reload client set to api should call api. | ||
| .then(_ => silentExecAndWaitForOutputToMatch( | ||
| 'ng', | ||
| ['e2e', '--watch', `--live-reload-client=${apiUrl}`], | ||
| protractorGoodRegEx | ||
| )) | ||
| .then(_ => wait(2000)) | ||
| .then(_ => { | ||
| if (!liveReloadClientCalled) { | ||
| throw new Error(`Expected live-reload client to have been called but it was not.`); | ||
| } | ||
| }) | ||
| .then(_ => killAllProcesses(), (err) => { killAllProcesses(); throw err; }) | ||
| .then(_ => server.close(), (err) => { server.close(); throw err; }); | ||
| } |