angular-cn/aio/tests/deployment/shared/helpers.ts

89 lines
2.9 KiB
TypeScript

import { resolve } from 'canonical-path';
import { load as loadJson } from 'cjson';
import { readFileSync } from 'fs';
import { get as httpGet } from 'http';
import { get as httpsGet } from 'https';
import { FirebaseRedirector, FirebaseRedirectConfig } from '../../../tools/firebase-test-utils/FirebaseRedirector';
const AIO_DIR = resolve(__dirname, '../../..');
export function getRedirector() {
return new FirebaseRedirector(loadRedirects());
}
export function loadRedirects(): FirebaseRedirectConfig[] {
const pathToFirebaseJSON = `${AIO_DIR}/firebase.json`;
const contents = loadJson(pathToFirebaseJSON);
return contents.hosting.redirects;
}
export function loadLegacyUrls() {
const pathToLegacyUrls = `${__dirname}/URLS_TO_REDIRECT.txt`;
const urls = readFileSync(pathToLegacyUrls, 'utf8').split('\n').map(line => line.split('\t'));
return urls;
}
export function loadLocalSitemapUrls() {
const pathToSiteMap = `${AIO_DIR}/src/generated/sitemap.xml`;
const xml = readFileSync(pathToSiteMap, 'utf8');
return extractSitemapUrls(xml);
}
export async function loadRemoteSitemapUrls(host: string) {
const urlToSiteMap = `${host}/generated/sitemap.xml`;
const get = /^https:/.test(host) ? httpsGet : httpGet;
const xml = await new Promise<string>((resolve, reject) => {
let responseText = '';
get(urlToSiteMap, res => res
.on('data', chunk => responseText += chunk)
.on('end', () => resolve(responseText))
.on('error', reject));
});
return extractSitemapUrls(xml);
}
export function loadSWRoutes() {
const pathToSWManifest = `${AIO_DIR}/ngsw-manifest.json`;
const contents = loadJson(pathToSWManifest);
const routes = contents.routing.routes;
return Object.keys(routes).map(route => {
const routeConfig = routes[route];
switch (routeConfig.match) {
case 'exact':
return (url) => url === route;
case 'prefix':
return (url) => url.startsWith(route);
case 'regex':
const regex = new RegExp(route);
return (url) => regex.test(url);
default:
throw new Error(`unknown route config: ${route} - ${routeConfig.match}`);
}
});
}
// Private functions
function extractSitemapUrls(xml: string) {
// Currently, all sitemaps use `angular.io` as host in URLs (which is fine since we only use the
// sitemap in `angular.io`). See also `aio/src/extra-files/*/robots.txt`.
const host = 'https://angular.io';
const urls: string[] = [];
xml.replace(/<loc>([^<]+)<\/loc>/g, (_, loc) => urls.push(loc.replace(host, '')) as any);
// Ensure none of the URLs contains the scheme/host.
// (That would mean that the URL contains a different than expected host, which can in turn lead
// to tests passing while they shouldn't).
urls.forEach(url => {
if (url.includes('://')) {
throw new Error(`Sitemap URL (${url}) contains unexpected host. Expected: ${host}`);
}
});
return urls;
}