load-web-page.spec.js

// Mocha Specification Suite

// Imports
import { assertDeepStrictEqual } from 'assert-deep-strict-equal';
import { serverListening } from '../dist/server-listening.js';

// Setup
const url = 'https://pretty-print-json.js.org/';
let web;  //fields: url, dom, window, document, title, html, verbose

describe('Load Web Page specification', () => {
   before(() => serverListening.loadWebPage(url).then(webInst => web = webInst));
   after(() =>  serverListening.closeWebPage(web));

/////////////////////////////////////////////////////////////////////////////////////
describe('The web page', () => {
   const getTags = (elems) => [...elems].map(elem => elem.nodeName.toLowerCase());

   it('has the correct URL', () => {
      const actual =   { url: web.window.location.href };
      const expected = { url: url };
      assertDeepStrictEqual(actual, expected);
      });

   it('title starts with "Pretty-Print JSON"', () => {
      const actual =   { title: web.title.substring(0, 'Pretty-Print JSON'.length) };
      const expected = { title: 'Pretty-Print JSON' };
      assertDeepStrictEqual(actual, expected);
      });

   it('body has exactly one header, main, and footer -- body.children', () => {
      const actual =   getTags(web.document.body.children);
      const expected = ['header', 'main', 'footer'];
      assertDeepStrictEqual(actual, expected);
      });

   it('body has exactly one header, main, and footer -- querySelectorAll()', () => {
      const actual =   getTags(web.document.querySelectorAll('body >*'));
      const expected = ['header', 'main', 'footer'];
      assertDeepStrictEqual(actual, expected);
      });

   });

/////////////////////////////////////////////////////////////////////////////////////
describe('The document content', () => {

   it('has a 🚀 traveling to 🪐!', () => {
      const actual =   { '🚀': !!web.html.match(/🚀/g), '🪐': !!web.html.match(/🪐/g) };
      const expected = { '🚀': true,                     '🪐': true };
      assertDeepStrictEqual(actual, expected);
      });

   });

////////////////////////////////////////////////////////////////////////////////
});