110 lines
3.0 KiB
JavaScript
110 lines
3.0 KiB
JavaScript
// import playwright dependencies
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const { chromium } = require('playwright');
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const { injectAxe, checkA11y } = require('axe-playwright');
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const jsdom = require("jsdom");
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/**
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* PlaywrightService class
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*
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* This class is used to interact with the Playwright library
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*/
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class PlaywrightService {
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#domain; // domain of the site to be tested
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// constructor
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constructor(domain) {
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this.#domain = domain;
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}
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// get sitemap url for the this domain
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sitemapUrl() {
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return `${this.rootUrl()}/sitemap.xml`;
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}
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// get the url of the site to be tested
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rootUrl() {
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return `https://${this.#domain}`;
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}
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/**
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* Get the list of urls to be tested by querying
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* the sitemap and returning the list of urls
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*
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* @param {string} url - The URL of the sitemap
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*
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* @returns {Array} - The list of urls to be tested
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*/
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async getUrlList() {
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const browser = await chromium.launch();
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const page = await browser.newPage();
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let urls = [];
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try {
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await page.goto(this.sitemapUrl());
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const content = await page.content();
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const dom = new jsdom.JSDOM(content);
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const sitemapUrls = dom.window.document.querySelectorAll('a[href]');
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urls = Array.from(sitemapUrls).map(link => link.href);
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console.log('Sitemap URLs:', urls);
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} catch (error) {
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console.error('Error fetching sitemap:', error);
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} finally {
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await browser.close();
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}
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return urls;
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}
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/**
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* Loops through the list of urls and runs the
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* accessibility test on each url
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*
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* @returns {Array} - The list of results from the accessibility test
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*/
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async getAccessibilityResults() {
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const urls = await this.getUrlList();
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let results = [];
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while (urls.length > 0) {
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const url = urls.pop();
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console.log('Running accessibility test on:', url);
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const result = await PlaywrightService.#runAccessibilityTest(url);
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results.push([url, result]);
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}
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return results;
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}
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/**
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* Run accessibility test on given url
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*
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* @param {string} url - The URL of the page to test
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*
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* @returns {Array} - The list of results from the accessibility test
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*/
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static async #runAccessibilityTest(url) {
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const browser = await chromium.launch();
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const page = await browser.newPage();
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let results = [];
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try {
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await page.goto(url);
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await injectAxe(page);
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results = await page.evaluate(async () => {
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return await window.axe.run();
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});
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} catch(error) {
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console.error('Error running accessibility test:', error);
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} finally {
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await browser.close();
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}
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return results?.violations || 'No violations found';
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}
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}
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module.exports = PlaywrightService; |