talk/test/server/services/wordlist.js

const Errors = require('../../../errors');
const Wordlist = require('../../../services/wordlist');
const SettingsService = require('../../../services/settings');

const chai = require('chai');
const expect = chai.expect;

describe('services.Wordlist', () => {
  const wordlists = {
    banned: [
      'cookies',
      'how to do bad things',
      'how to do really bad things',
      's h i t',
      '$hit',
      'p**ch',
      'p*ch',
    ],
    suspect: ['do bad things'],
  };

  let wordlist = new Wordlist();
  const settings = {
    id: '1',
    moderation: 'PRE',
    wordlist: { banned: ['bad words'], suspect: ['suspect words'] },
  };

  beforeEach(() => SettingsService.init(settings));

  describe('#regexp', () => {
    before(() => wordlist.upsert(wordlists));

    it('does match on a bad word', () => {
      [
        'how to do really bad things',
        'what is cookies',
        'cookies',
        'COOKIES.',
        'how to do bad things',
        'How To do bad things!',
        'This stuff is $hit!',
        "That's a p**ch!",
      ].forEach(word => {
        expect(wordlist.regexp.banned.test(word)).to.be.true;
      });
    });

    it('does not match on a good word', () => {
      [
        'how to',
        'cookie',
        'how to be a great person?',
        'how to not do really bad things?',
        'i have $100 dollars.',
        'I have bad $ hit lling',
        "That's a p***ch!",
      ].forEach(word => {
        expect(wordlist.regexp.banned.test(word)).to.be.false;
      });
    });
  });

  describe('#scan', () => {
    it('does match on a bad word', () => {
      [
        'how to do really bad things',
        'what is cookies',
        'cookies',
        'COOKIES.',
        'how to do bad things',
        'How To do bad things!',
        'This stuff is $hit!',
        "That's a p**ch!",
      ].forEach(word => {
        expect(wordlist.scan('body', word)).to.not.be.undefined;
      });
    });

    it('does not match on a good word', () => {
      [
        'how to',
        'cookie',
        'how to be a great person?',
        'how to not do really bad things?',
        'i have $100 dollars.',
        'I have bad $ hit lling',
        "That's a p***ch!",
      ].forEach(word => {
        expect(wordlist.scan('body', word)).to.be.deep.equal({});
      });
    });
  });

  describe('#filter', () => {
    before(() => wordlist.upsert(wordlists));

    it('matches on bodies containing bad words', () => {
      let errors = wordlist.filter(
        {
          content: 'how to do really bad things?',
        },
        'content'
      );

      expect(errors).to.have.property('banned', Errors.ErrContainsProfanity);
    });

    it('does not match on bodies not containing bad words', () => {
      let errors = wordlist.filter(
        {
          content: 'how to not do really bad things?',
        },
        'content'
      );

      expect(errors).to.not.have.property('banned');
    });

    it('does not match on bodies not containing the bad word field', () => {
      let errors = wordlist.filter(
        {
          author: 'how to do really bad things?',
          content: 'how to be a great person?',
        },
        'content'
      );

      expect(errors).to.not.have.property('banned');
    });
  });
});