mercury-parser/src/extractors/custom/www.theguardian.com/index.test.js

import assert from 'assert';
import URL from 'url';
import cheerio from 'cheerio';

import Mercury from 'mercury';
import getExtractor from 'extractors/get-extractor';
import { excerptContent } from 'utils/text';

const fs = require('fs');

describe('WwwTheguardianComExtractor', () => {
  describe('initial test case', () => {
    let result;
    let url;
    beforeAll(() => {
      url =
        'https://www.theguardian.com/us-news/2016/nov/29/standing-rock-protest-north-dakota-shutdown-evacuation';
      const html = fs.readFileSync(
        './fixtures/www.theguardian.com/1480457558008.html'
      );
      result = Mercury.parse(url, { html, fallback: false });
    });

    it('is selected properly', () => {
      // This test should be passing by default.
      // It sanity checks that the correct parser
      // is being selected for URLs from this domain
      const extractor = getExtractor(url);
      assert.equal(extractor.domain, URL.parse(url).hostname);
    });

    it('returns the title', async () => {
      // To pass this test, fill out the title selector
      // in ./src/extractors/custom/www.theguardian.com/index.js.
      const { title } = await result;

      // Update these values with the expected values from
      // the article.
      assert.equal(
        title,
        'Standing Rock protesters hold out against extraordinary police violence'
      );
    });

    it('returns the author', async () => {
      // To pass this test, fill out the author selector
      // in ./src/extractors/custom/www.theguardian.com/index.js.
      const { author } = await result;

      // Update these values with the expected values from
      // the article.
      assert.equal(author, 'Julia Carrie Wong and Sam Levin');
    });

    it('returns the date_published', async () => {
      // To pass this test, fill out the date_published selector
      // in ./src/extractors/custom/www.theguardian.com/index.js.
      const { date_published } = await result;

      // Update these values with the expected values from
      // the article.
      assert.equal(date_published, '2016-11-29T20:26:06.000Z');
    });

    it('returns the dek', async () => {
      // To pass this test, fill out the dek selector
      // in ./src/extractors/custom/www.theguardian.com/index.js.
      const { dek } = await result;

      // Update these values with the expected values from
      // the article.
      assert.equal(
        dek,
        'Apprehension and distrust pervade North Dakota protest site as promises from state that there are no plans to forcibly remove people does little to assuage fears'
      );
    });

    it('returns the lead_image_url', async () => {
      // To pass this test, fill out the lead_image_url selector
      // in ./src/extractors/custom/www.theguardian.com/index.js.
      const { lead_image_url } = await result;

      // Update these values with the expected values from
      // the article.
      assert.equal(
        lead_image_url,
        'https://i.guim.co.uk/img/media/fc64982c5ab7b3ea7d5d38f3f74483c84c60b372/0_225_3500_2100/master/3500.jpg?w=1200&h=630&q=55&auto=format&usm=12&fit=crop&bm=normal&ba=bottom%2Cleft&blend64=aHR0cHM6Ly91cGxvYWRzLmd1aW0uY28udWsvMjAxNi8wNS8yNS9vdmVybGF5LWxvZ28tMTIwMC05MF9vcHQucG5n&s=034d7b3573a47c5ba3501a9e9e253a8f'
      );
    });

    it('returns the content', async () => {
      // To pass this test, fill out the content selector
      // in ./src/extractors/custom/www.theguardian.com/index.js.
      // You may also want to make use of the clean and transform
      // options.
      const { content } = await result;

      const $ = cheerio.load(content || '');

      const first13 = excerptContent(
        $('*')
          .first()
          .text(),
        13
      );

      // Update these values with the expected values from
      // the article.
      assert.equal(
        first13,
        'Police violence against Standing Rock protesters in North Dakota has risen to extraordinary'
      );
    });
  });
});