pa11y automated accessibility testing with mocha

TDD-pa11y-express.js

const pa11y = require('pa11y');
const request = require('supertest');
const mocha = require('mocha');
const { expect } = require('chai');
const server = require('./server');

const url =
  process.env.NODE_ENV === 'testing'
    ? 'http://localhost:3000'
    : 'http://example.com';

describe('my page', function() {
  it('is accessible', function(done) {
    pa11y(`${url}/`, function(err, results) {
      expect(results.issues).to.be.empty;
      done();
    });
  });
});

TDD-pa11y-local-file.js

const pa11y = require('pa11y');
const mocha = require('mocha');
const path = require('path');
const { expect } = require('chai');

const pages = ['test.html', 'test2.html', 'test3.html'];

describe('Pages', function() {
  pages.forEach(page => {
    it(`${page} should be accessible`, function(done) {
      pa11y(path.join(__dirname, page))
        .then(results => {
          expect(results.issues).to.be.empty;
        })
        .then(done, done)
        .catch(err => {
          console.log(err);
        });
    });
  });
});